diff options
Diffstat (limited to 'src/pixman/test')
39 files changed, 9934 insertions, 0 deletions
diff --git a/src/pixman/test/Makefile.am b/src/pixman/test/Makefile.am new file mode 100644 index 0000000..88dc36d --- /dev/null +++ b/src/pixman/test/Makefile.am @@ -0,0 +1,13 @@ +include $(top_srcdir)/test/Makefile.sources + +AM_CFLAGS = $(OPENMP_CFLAGS) $(PTHREAD_CFLAGS) +AM_LDFLAGS = $(OPENMP_CFLAGS) $(TESTPROGS_EXTRA_LDFLAGS) $(PTHREAD_LDFLAGS) +LDADD = libutils.la $(top_builddir)/pixman/libpixman-1.la -lm $(PNG_LIBS) $(PTHREAD_LIBS) +AM_CPPFLAGS = -I$(top_srcdir)/pixman -I$(top_builddir)/pixman $(PNG_CFLAGS) + +libutils_la_SOURCES = $(libutils_sources) $(libutils_headers) + +noinst_LTLIBRARIES = libutils.la +noinst_PROGRAMS = $(TESTPROGRAMS) $(OTHERPROGRAMS) + +TESTS = $(TESTPROGRAMS) diff --git a/src/pixman/test/Makefile.sources b/src/pixman/test/Makefile.sources new file mode 100644 index 0000000..2ae5d9f --- /dev/null +++ b/src/pixman/test/Makefile.sources @@ -0,0 +1,49 @@ +# Tests (sorted by expected completion time) +TESTPROGRAMS = \ + prng-test \ + a1-trap-test \ + pdf-op-test \ + region-test \ + region-translate-test \ + combiner-test \ + pixel-test \ + fetch-test \ + rotate-test \ + oob-test \ + infinite-loop \ + trap-crasher \ + alpha-loop \ + thread-test \ + scaling-crash-test \ + scaling-helpers-test \ + gradient-crash-test \ + region-contains-test \ + alphamap \ + matrix-test \ + stress-test \ + composite-traps-test \ + blitters-test \ + glyph-test \ + scaling-test \ + affine-test \ + composite \ + $(NULL) + +# Other programs +OTHERPROGRAMS = \ + lowlevel-blt-bench \ + radial-perf-test \ + check-formats \ + scaling-bench \ + $(NULL) + +# Utility functions +libutils_sources = \ + utils.c \ + utils-prng.c \ + $(NULL) + +libutils_headers = \ + utils.h \ + utils-prng.h \ + $(NULL) diff --git a/src/pixman/test/Makefile.win32 b/src/pixman/test/Makefile.win32 new file mode 100644 index 0000000..6cfb4a7 --- /dev/null +++ b/src/pixman/test/Makefile.win32 @@ -0,0 +1,54 @@ +default: all + +top_srcdir = .. +include $(top_srcdir)/test/Makefile.sources +include $(top_srcdir)/Makefile.win32.common + +TEST_LDADD = \ + $(top_builddir)/pixman/$(CFG_VAR)/$(LIBRARY).lib \ + $(CFG_VAR)/libutils.lib \ + $(NULL) + +libutils_OBJECTS = $(patsubst %.c, $(CFG_VAR)/%.obj, $(libutils_sources)) + +SOURCES = $(patsubst %, %.c, $(TESTPROGRAMS) $(OTHERPROGRAMS)) +OBJECTS = $(patsubst %.c, $(CFG_VAR)/%.obj, $(SOURCES)) +TESTS = $(patsubst %, $(CFG_VAR)/%.exe, $(TESTPROGRAMS)) +OTHERS = $(patsubst %, $(CFG_VAR)/%.exe, $(OTHERPROGRAMS)) + +all: pixman inform $(TESTS) $(OTHERS) + +check: pixman inform $(TESTS) + @failures=0 ; \ + total=0 ; \ + for test in $(TESTS) ; \ + do \ + total=`expr $$total + 1` ; \ + if ./$$test ; \ + then echo "PASS: $$test" ; \ + else echo "FAIL: $$test" ; \ + failures=`expr $$failures + 1` ; \ + fi ; \ + done ; \ + if test $$failures -eq 0 ; \ + then banner="All $$total tests passed" ; \ + else banner="$$failures of $$total tests failed" ; \ + fi ; \ + dashes=`echo "$$banner" | sed s/./=/g`; \ + echo "$$dashes" ; \ + echo "$$banner" ; \ + echo "$$dashes" ; \ + test $$failures -eq 0 + +$(CFG_VAR)/libutils.lib: $(libutils_OBJECTS) + @$(AR) $(PIXMAN_ARFLAGS) -OUT:$@ $^ + +$(CFG_VAR)/%.exe: $(CFG_VAR)/%.obj $(TEST_LDADD) + @$(LD) $(PIXMAN_LDFLAGS) -OUT:$@ $^ + +$(top_builddir)/pixman/$(CFG_VAR)/$(LIBRARY).lib: pixman + +pixman: + @$(MAKE) -C $(top_builddir)/pixman -f Makefile.win32 + +.PHONY: all check pixman diff --git a/src/pixman/test/a1-trap-test.c b/src/pixman/test/a1-trap-test.c new file mode 100644 index 0000000..c2b4883 --- /dev/null +++ b/src/pixman/test/a1-trap-test.c @@ -0,0 +1,58 @@ +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "utils.h" + +int +main (int argc, char **argv) +{ +#define WIDTH 20 +#define HEIGHT 20 + + pixman_image_t *src_img; + pixman_image_t *mask_img; + pixman_image_t *dest_img; + pixman_trap_t trap; + pixman_color_t red = { 0xffff, 0x0000, 0x0000, 0xffff }; + uint32_t *bits = malloc (WIDTH * HEIGHT * 4); + uint32_t *mbits = malloc (WIDTH * HEIGHT); + + memset (mbits, 0, WIDTH * HEIGHT); + memset (bits, 0xff, WIDTH * HEIGHT * 4); + + trap.top.l = pixman_double_to_fixed (0.5); + trap.top.r = pixman_double_to_fixed (1.5); + trap.top.y = pixman_double_to_fixed (0.5); + + trap.bot.l = pixman_double_to_fixed (0.5); + trap.bot.r = pixman_double_to_fixed (1.5); + trap.bot.y = pixman_double_to_fixed (1.5); + + mask_img = pixman_image_create_bits ( + PIXMAN_a1, WIDTH, HEIGHT, mbits, WIDTH); + src_img = pixman_image_create_solid_fill (&red); + dest_img = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, WIDTH, HEIGHT, bits, WIDTH * 4); + + pixman_add_traps (mask_img, 0, 0, 1, &trap); + + pixman_image_composite (PIXMAN_OP_OVER, + src_img, mask_img, dest_img, + 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + + assert (bits[0] == 0xffff0000); + assert (bits[1] == 0xffffffff); + assert (bits[1 * WIDTH + 0] == 0xffffffff); + assert (bits[1 * WIDTH + 1] == 0xffffffff); + + /* The check-formats test depends on operator_name() and format_name() returning + * these precise formats, so if those change, check-formats.c must be updated too. + */ + assert ( + strcmp (operator_name (PIXMAN_OP_DISJOINT_OVER), "PIXMAN_OP_DISJOINT_OVER") == 0); + assert ( + strcmp (format_name (PIXMAN_r5g6b5), "r5g6b5") == 0); + + return 0; +} diff --git a/src/pixman/test/affine-test.c b/src/pixman/test/affine-test.c new file mode 100644 index 0000000..8e19023 --- /dev/null +++ b/src/pixman/test/affine-test.c @@ -0,0 +1,324 @@ +/* + * Test program, which can detect some problems with affine transformations + * in pixman. Testing is done by running lots of random SRC and OVER + * compositing operations a8r8g8b8, x8a8r8g8b8, r5g6b5 and a8 color formats + * with random scaled, rotated and translated transforms. + * + * Script 'fuzzer-find-diff.pl' can be used to narrow down the problem in + * the case of test failure. + */ +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include "utils.h" + +#define MAX_SRC_WIDTH 16 +#define MAX_SRC_HEIGHT 16 +#define MAX_DST_WIDTH 16 +#define MAX_DST_HEIGHT 16 +#define MAX_STRIDE 4 + +/* + * Composite operation with pseudorandom images + */ +uint32_t +test_composite (int testnum, + int verbose) +{ + int i; + pixman_image_t * src_img; + pixman_image_t * dst_img; + pixman_transform_t transform; + pixman_region16_t clip; + int src_width, src_height; + int dst_width, dst_height; + int src_stride, dst_stride; + int src_x, src_y; + int dst_x, dst_y; + int src_bpp; + int dst_bpp; + int w, h; + pixman_fixed_t scale_x = 65536, scale_y = 65536; + pixman_fixed_t translate_x = 0, translate_y = 0; + pixman_op_t op; + pixman_repeat_t repeat = PIXMAN_REPEAT_NONE; + pixman_format_code_t src_fmt, dst_fmt; + uint32_t * srcbuf; + uint32_t * dstbuf; + uint32_t crc32; + FLOAT_REGS_CORRUPTION_DETECTOR_START (); + + prng_srand (testnum); + + src_bpp = (prng_rand_n (2) == 0) ? 2 : 4; + dst_bpp = (prng_rand_n (2) == 0) ? 2 : 4; + op = (prng_rand_n (2) == 0) ? PIXMAN_OP_SRC : PIXMAN_OP_OVER; + + src_width = prng_rand_n (MAX_SRC_WIDTH) + 1; + src_height = prng_rand_n (MAX_SRC_HEIGHT) + 1; + dst_width = prng_rand_n (MAX_DST_WIDTH) + 1; + dst_height = prng_rand_n (MAX_DST_HEIGHT) + 1; + src_stride = src_width * src_bpp + prng_rand_n (MAX_STRIDE) * src_bpp; + dst_stride = dst_width * dst_bpp + prng_rand_n (MAX_STRIDE) * dst_bpp; + + if (src_stride & 3) + src_stride += 2; + + if (dst_stride & 3) + dst_stride += 2; + + src_x = -(src_width / 4) + prng_rand_n (src_width * 3 / 2); + src_y = -(src_height / 4) + prng_rand_n (src_height * 3 / 2); + dst_x = -(dst_width / 4) + prng_rand_n (dst_width * 3 / 2); + dst_y = -(dst_height / 4) + prng_rand_n (dst_height * 3 / 2); + w = prng_rand_n (dst_width * 3 / 2 - dst_x); + h = prng_rand_n (dst_height * 3 / 2 - dst_y); + + srcbuf = (uint32_t *)malloc (src_stride * src_height); + dstbuf = (uint32_t *)malloc (dst_stride * dst_height); + + prng_randmemset (srcbuf, src_stride * src_height, 0); + prng_randmemset (dstbuf, dst_stride * dst_height, 0); + + if (prng_rand_n (2) == 0) + { + srcbuf += (src_stride / 4) * (src_height - 1); + src_stride = - src_stride; + } + + if (prng_rand_n (2) == 0) + { + dstbuf += (dst_stride / 4) * (dst_height - 1); + dst_stride = - dst_stride; + } + + src_fmt = src_bpp == 4 ? (prng_rand_n (2) == 0 ? + PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5; + + dst_fmt = dst_bpp == 4 ? (prng_rand_n (2) == 0 ? + PIXMAN_a8r8g8b8 : PIXMAN_x8r8g8b8) : PIXMAN_r5g6b5; + + src_img = pixman_image_create_bits ( + src_fmt, src_width, src_height, srcbuf, src_stride); + + dst_img = pixman_image_create_bits ( + dst_fmt, dst_width, dst_height, dstbuf, dst_stride); + + image_endian_swap (src_img); + image_endian_swap (dst_img); + + pixman_transform_init_identity (&transform); + + if (prng_rand_n (3) > 0) + { + scale_x = -65536 * 3 + prng_rand_n (65536 * 6); + if (prng_rand_n (2)) + scale_y = -65536 * 3 + prng_rand_n (65536 * 6); + else + scale_y = scale_x; + pixman_transform_init_scale (&transform, scale_x, scale_y); + } + if (prng_rand_n (3) > 0) + { + translate_x = -65536 * 3 + prng_rand_n (6 * 65536); + if (prng_rand_n (2)) + translate_y = -65536 * 3 + prng_rand_n (6 * 65536); + else + translate_y = translate_x; + pixman_transform_translate (&transform, NULL, translate_x, translate_y); + } + + if (prng_rand_n (4) > 0) + { + int c, s, tx = 0, ty = 0; + switch (prng_rand_n (4)) + { + case 0: + /* 90 degrees */ + c = 0; + s = pixman_fixed_1; + tx = pixman_int_to_fixed (MAX_SRC_HEIGHT); + break; + case 1: + /* 180 degrees */ + c = -pixman_fixed_1; + s = 0; + tx = pixman_int_to_fixed (MAX_SRC_WIDTH); + ty = pixman_int_to_fixed (MAX_SRC_HEIGHT); + break; + case 2: + /* 270 degrees */ + c = 0; + s = -pixman_fixed_1; + ty = pixman_int_to_fixed (MAX_SRC_WIDTH); + break; + default: + /* arbitrary rotation */ + c = prng_rand_n (2 * 65536) - 65536; + s = prng_rand_n (2 * 65536) - 65536; + break; + } + pixman_transform_rotate (&transform, NULL, c, s); + pixman_transform_translate (&transform, NULL, tx, ty); + } + + if (prng_rand_n (8) == 0) + { + /* Flip random bits */ + int maxflipcount = 8; + while (maxflipcount--) + { + int i = prng_rand_n (2); + int j = prng_rand_n (3); + int bitnum = prng_rand_n (32); + transform.matrix[i][j] ^= 1 << bitnum; + if (prng_rand_n (2)) + break; + } + } + + pixman_image_set_transform (src_img, &transform); + + switch (prng_rand_n (4)) + { + case 0: + repeat = PIXMAN_REPEAT_NONE; + break; + + case 1: + repeat = PIXMAN_REPEAT_NORMAL; + break; + + case 2: + repeat = PIXMAN_REPEAT_PAD; + break; + + case 3: + repeat = PIXMAN_REPEAT_REFLECT; + break; + + default: + break; + } + pixman_image_set_repeat (src_img, repeat); + + if (prng_rand_n (2)) + pixman_image_set_filter (src_img, PIXMAN_FILTER_NEAREST, NULL, 0); + else + pixman_image_set_filter (src_img, PIXMAN_FILTER_BILINEAR, NULL, 0); + + if (verbose) + { +#define M(r,c) \ + transform.matrix[r][c] + + printf ("src_fmt=%s, dst_fmt=%s\n", format_name (src_fmt), format_name (dst_fmt)); + printf ("op=%s, repeat=%d, transform=\n", + operator_name (op), repeat); + printf (" { { { 0x%08x, 0x%08x, 0x%08x },\n" + " { 0x%08x, 0x%08x, 0x%08x },\n" + " { 0x%08x, 0x%08x, 0x%08x },\n" + " } };\n", + M(0,0), M(0,1), M(0,2), + M(1,0), M(1,1), M(1,2), + M(2,0), M(2,1), M(2,2)); + printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n", + src_width, src_height, dst_width, dst_height); + printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n", + src_x, src_y, dst_x, dst_y); + printf ("w=%d, h=%d\n", w, h); + } + + if (prng_rand_n (8) == 0) + { + pixman_box16_t clip_boxes[2]; + int n = prng_rand_n (2) + 1; + + for (i = 0; i < n; i++) + { + clip_boxes[i].x1 = prng_rand_n (src_width); + clip_boxes[i].y1 = prng_rand_n (src_height); + clip_boxes[i].x2 = + clip_boxes[i].x1 + prng_rand_n (src_width - clip_boxes[i].x1); + clip_boxes[i].y2 = + clip_boxes[i].y1 + prng_rand_n (src_height - clip_boxes[i].y1); + + if (verbose) + { + printf ("source clip box: [%d,%d-%d,%d]\n", + clip_boxes[i].x1, clip_boxes[i].y1, + clip_boxes[i].x2, clip_boxes[i].y2); + } + } + + pixman_region_init_rects (&clip, clip_boxes, n); + pixman_image_set_clip_region (src_img, &clip); + pixman_image_set_source_clipping (src_img, 1); + pixman_region_fini (&clip); + } + + if (prng_rand_n (8) == 0) + { + pixman_box16_t clip_boxes[2]; + int n = prng_rand_n (2) + 1; + for (i = 0; i < n; i++) + { + clip_boxes[i].x1 = prng_rand_n (dst_width); + clip_boxes[i].y1 = prng_rand_n (dst_height); + clip_boxes[i].x2 = + clip_boxes[i].x1 + prng_rand_n (dst_width - clip_boxes[i].x1); + clip_boxes[i].y2 = + clip_boxes[i].y1 + prng_rand_n (dst_height - clip_boxes[i].y1); + + if (verbose) + { + printf ("destination clip box: [%d,%d-%d,%d]\n", + clip_boxes[i].x1, clip_boxes[i].y1, + clip_boxes[i].x2, clip_boxes[i].y2); + } + } + pixman_region_init_rects (&clip, clip_boxes, n); + pixman_image_set_clip_region (dst_img, &clip); + pixman_region_fini (&clip); + } + + pixman_image_composite (op, src_img, NULL, dst_img, + src_x, src_y, 0, 0, dst_x, dst_y, w, h); + + crc32 = compute_crc32_for_image (0, dst_img); + + if (verbose) + print_image (dst_img); + + pixman_image_unref (src_img); + pixman_image_unref (dst_img); + + if (src_stride < 0) + srcbuf += (src_stride / 4) * (src_height - 1); + + if (dst_stride < 0) + dstbuf += (dst_stride / 4) * (dst_height - 1); + + free (srcbuf); + free (dstbuf); + + FLOAT_REGS_CORRUPTION_DETECTOR_FINISH (); + return crc32; +} + +#if BILINEAR_INTERPOLATION_BITS == 7 +#define CHECKSUM 0xBE724CFE +#elif BILINEAR_INTERPOLATION_BITS == 4 +#define CHECKSUM 0x79BBE501 +#else +#define CHECKSUM 0x00000000 +#endif + +int +main (int argc, const char *argv[]) +{ + pixman_disable_out_of_bounds_workaround (); + + return fuzzer_test_main ("affine", 8000000, CHECKSUM, + test_composite, argc, argv); +} diff --git a/src/pixman/test/alpha-loop.c b/src/pixman/test/alpha-loop.c new file mode 100644 index 0000000..4d4384d --- /dev/null +++ b/src/pixman/test/alpha-loop.c @@ -0,0 +1,35 @@ +#include <stdio.h> +#include <stdlib.h> +#include "utils.h" + +#define WIDTH 400 +#define HEIGHT 200 + +int +main (int argc, char **argv) +{ + pixman_image_t *a, *d, *s; + uint8_t *alpha; + uint32_t *src, *dest; + + prng_srand (0); + + alpha = make_random_bytes (WIDTH * HEIGHT); + src = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * 4); + dest = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * 4); + + a = pixman_image_create_bits (PIXMAN_a8, WIDTH, HEIGHT, (uint32_t *)alpha, WIDTH); + d = pixman_image_create_bits (PIXMAN_a8r8g8b8, WIDTH, HEIGHT, dest, WIDTH * 4); + s = pixman_image_create_bits (PIXMAN_a2r10g10b10, WIDTH, HEIGHT, src, WIDTH * 4); + + fail_after (5, "Infinite loop detected: 5 seconds without progress\n"); + + pixman_image_set_alpha_map (s, a, 0, 0); + pixman_image_set_alpha_map (a, s, 0, 0); + + pixman_image_composite (PIXMAN_OP_SRC, s, NULL, d, 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + + pixman_image_unref (s); + + return 0; +} diff --git a/src/pixman/test/alphamap.c b/src/pixman/test/alphamap.c new file mode 100644 index 0000000..4d09076 --- /dev/null +++ b/src/pixman/test/alphamap.c @@ -0,0 +1,315 @@ +#include <stdio.h> +#include <stdlib.h> +#include "utils.h" + +#define WIDTH 48 +#define HEIGHT 48 + +static const pixman_format_code_t formats[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_a2r10g10b10, + PIXMAN_a4r4g4b4, + PIXMAN_a8 +}; + +static const pixman_format_code_t alpha_formats[] = +{ + PIXMAN_null, + PIXMAN_a8, + PIXMAN_a2r10g10b10, + PIXMAN_a4r4g4b4 +}; + +static const int origins[] = +{ + 0, 10, -100 +}; + +static void +on_destroy (pixman_image_t *image, void *data) +{ + uint32_t *bits = pixman_image_get_data (image); + + fence_free (bits); +} + +static pixman_image_t * +make_image (pixman_format_code_t format) +{ + uint32_t *bits; + uint8_t bpp = PIXMAN_FORMAT_BPP (format) / 8; + pixman_image_t *image; + + bits = (uint32_t *)make_random_bytes (WIDTH * HEIGHT * bpp); + + image = pixman_image_create_bits (format, WIDTH, HEIGHT, bits, WIDTH * bpp); + + if (image && bits) + pixman_image_set_destroy_function (image, on_destroy, NULL); + + return image; +} + +static uint8_t +get_alpha (pixman_image_t *image, int x, int y, int orig_x, int orig_y) +{ + uint8_t *bits; + uint8_t r; + + if (image->common.alpha_map) + { + if (x - orig_x >= 0 && x - orig_x < WIDTH && + y - orig_y >= 0 && y - orig_y < HEIGHT) + { + image = (pixman_image_t *)image->common.alpha_map; + + x -= orig_x; + y -= orig_y; + } + else + { + return 0; + } + } + + bits = (uint8_t *)image->bits.bits; + + if (image->bits.format == PIXMAN_a8) + { + r = bits[y * WIDTH + x]; + } + else if (image->bits.format == PIXMAN_a2r10g10b10) + { + r = ((uint32_t *)bits)[y * WIDTH + x] >> 30; + r |= r << 2; + r |= r << 4; + } + else if (image->bits.format == PIXMAN_a8r8g8b8) + { + r = ((uint32_t *)bits)[y * WIDTH + x] >> 24; + } + else if (image->bits.format == PIXMAN_a4r4g4b4) + { + r = ((uint16_t *)bits)[y * WIDTH + x] >> 12; + r |= r << 4; + } + else + { + assert (0); + } + + return r; +} + +static uint16_t +get_red (pixman_image_t *image, int x, int y, int orig_x, int orig_y) +{ + uint8_t *bits; + uint16_t r; + + bits = (uint8_t *)image->bits.bits; + + if (image->bits.format == PIXMAN_a8) + { + r = 0x00; + } + else if (image->bits.format == PIXMAN_a2r10g10b10) + { + r = ((uint32_t *)bits)[y * WIDTH + x] >> 14; + r &= 0xffc0; + r |= (r >> 10); + } + else if (image->bits.format == PIXMAN_a8r8g8b8) + { + r = ((uint32_t *)bits)[y * WIDTH + x] >> 16; + r &= 0xff; + r |= r << 8; + } + else if (image->bits.format == PIXMAN_a4r4g4b4) + { + r = ((uint16_t *)bits)[y * WIDTH + x] >> 8; + r &= 0xf; + r |= r << 4; + r |= r << 8; + } + else + { + assert (0); + } + + return r; +} + +static int +run_test (int s, int d, int sa, int da, int soff, int doff) +{ + pixman_format_code_t sf = formats[s]; + pixman_format_code_t df = formats[d]; + pixman_format_code_t saf = alpha_formats[sa]; + pixman_format_code_t daf = alpha_formats[da]; + pixman_image_t *src, *dst, *orig_dst, *alpha, *orig_alpha; + pixman_transform_t t1; + int j, k; + int n_alpha_bits, n_red_bits; + + soff = origins[soff]; + doff = origins[doff]; + + n_alpha_bits = PIXMAN_FORMAT_A (df); + if (daf != PIXMAN_null) + n_alpha_bits = PIXMAN_FORMAT_A (daf); + + n_red_bits = PIXMAN_FORMAT_R (df); + + /* Source */ + src = make_image (sf); + if (saf != PIXMAN_null) + { + alpha = make_image (saf); + pixman_image_set_alpha_map (src, alpha, soff, soff); + pixman_image_unref (alpha); + } + + /* Destination */ + orig_dst = make_image (df); + dst = make_image (df); + pixman_image_composite (PIXMAN_OP_SRC, orig_dst, NULL, dst, + 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + + if (daf != PIXMAN_null) + { + orig_alpha = make_image (daf); + alpha = make_image (daf); + + pixman_image_composite (PIXMAN_OP_SRC, orig_alpha, NULL, alpha, + 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + + pixman_image_set_alpha_map (orig_dst, orig_alpha, doff, doff); + pixman_image_set_alpha_map (dst, alpha, doff, doff); + + pixman_image_unref (orig_alpha); + pixman_image_unref (alpha); + } + + /* Transformations, repeats and filters on destinations should be ignored, + * so just set some random ones. + */ + pixman_transform_init_identity (&t1); + pixman_transform_scale (&t1, NULL, pixman_int_to_fixed (100), pixman_int_to_fixed (11)); + pixman_transform_rotate (&t1, NULL, pixman_double_to_fixed (0.5), pixman_double_to_fixed (0.11)); + pixman_transform_translate (&t1, NULL, pixman_int_to_fixed (11), pixman_int_to_fixed (17)); + + pixman_image_set_transform (dst, &t1); + pixman_image_set_filter (dst, PIXMAN_FILTER_BILINEAR, NULL, 0); + pixman_image_set_repeat (dst, PIXMAN_REPEAT_REFLECT); + + pixman_image_composite (PIXMAN_OP_ADD, src, NULL, dst, + 0, 0, 0, 0, 0, 0, WIDTH, HEIGHT); + + for (j = MAX (doff, 0); j < MIN (HEIGHT, HEIGHT + doff); ++j) + { + for (k = MAX (doff, 0); k < MIN (WIDTH, WIDTH + doff); ++k) + { + uint8_t sa, da, oda, refa; + uint16_t sr, dr, odr, refr; + + sa = get_alpha (src, k, j, soff, soff); + da = get_alpha (dst, k, j, doff, doff); + oda = get_alpha (orig_dst, k, j, doff, doff); + + if (sa + oda > 255) + refa = 255; + else + refa = sa + oda; + + if (da >> (8 - n_alpha_bits) != refa >> (8 - n_alpha_bits)) + { + printf ("\nWrong alpha value at (%d, %d). Should be 0x%x; got 0x%x. Source was 0x%x, original dest was 0x%x\n", + k, j, refa, da, sa, oda); + + printf ("src: %s, alpha: %s, origin %d %d\ndst: %s, alpha: %s, origin: %d %d\n\n", + format_name (sf), + format_name (saf), + soff, soff, + format_name (df), + format_name (daf), + doff, doff); + return 1; + } + + /* There are cases where we go through the 8 bit compositing + * path even with 10bpc formats. This results in incorrect + * results here, so only do the red check for narrow formats + */ + if (n_red_bits <= 8) + { + sr = get_red (src, k, j, soff, soff); + dr = get_red (dst, k, j, doff, doff); + odr = get_red (orig_dst, k, j, doff, doff); + + if (sr + odr > 0xffff) + refr = 0xffff; + else + refr = sr + odr; + + if (abs ((dr >> (16 - n_red_bits)) - (refr >> (16 - n_red_bits))) > 1) + { + printf ("%d red bits\n", n_red_bits); + printf ("\nWrong red value at (%d, %d). Should be 0x%x; got 0x%x. Source was 0x%x, original dest was 0x%x\n", + k, j, refr, dr, sr, odr); + + printf ("src: %s, alpha: %s, origin %d %d\ndst: %s, alpha: %s, origin: %d %d\n\n", + format_name (sf), + format_name (saf), + soff, soff, + format_name (df), + format_name (daf), + doff, doff); + return 1; + } + } + } + } + + pixman_image_set_alpha_map (src, NULL, 0, 0); + pixman_image_set_alpha_map (dst, NULL, 0, 0); + pixman_image_set_alpha_map (orig_dst, NULL, 0, 0); + + pixman_image_unref (src); + pixman_image_unref (dst); + pixman_image_unref (orig_dst); + + return 0; +} + +int +main (int argc, char **argv) +{ + int i, j, a, b, x, y; + + prng_srand (0); + + for (i = 0; i < ARRAY_LENGTH (formats); ++i) + { + for (j = 0; j < ARRAY_LENGTH (formats); ++j) + { + for (a = 0; a < ARRAY_LENGTH (alpha_formats); ++a) + { + for (b = 0; b < ARRAY_LENGTH (alpha_formats); ++b) + { + for (x = 0; x < ARRAY_LENGTH (origins); ++x) + { + for (y = 0; y < ARRAY_LENGTH (origins); ++y) + { + if (run_test (i, j, a, b, x, y) != 0) + return 1; + } + } + } + } + } + } + + return 0; +} diff --git a/src/pixman/test/blitters-test.c b/src/pixman/test/blitters-test.c new file mode 100644 index 0000000..ea03f47 --- /dev/null +++ b/src/pixman/test/blitters-test.c @@ -0,0 +1,399 @@ +/* + * Test program, which stresses the use of different color formats and + * compositing operations. + * + * Script 'fuzzer-find-diff.pl' can be used to narrow down the problem in + * the case of test failure. + */ +#include <stdlib.h> +#include <stdio.h> +#include "utils.h" + +static pixman_indexed_t rgb_palette[9]; +static pixman_indexed_t y_palette[9]; + +/* The first eight format in the list are by far the most widely + * used formats, so we test those more than the others + */ +#define N_MOST_LIKELY_FORMATS 8 + +/* Create random image for testing purposes */ +static pixman_image_t * +create_random_image (pixman_format_code_t *allowed_formats, + int max_width, + int max_height, + int max_extra_stride, + pixman_format_code_t *used_fmt) +{ + int n = 0, width, height, stride; + pixman_format_code_t fmt; + uint32_t *buf; + pixman_image_t *img; + + while (allowed_formats[n] != PIXMAN_null) + n++; + + if (n > N_MOST_LIKELY_FORMATS && prng_rand_n (4) != 0) + n = N_MOST_LIKELY_FORMATS; + fmt = allowed_formats[prng_rand_n (n)]; + + width = prng_rand_n (max_width) + 1; + height = prng_rand_n (max_height) + 1; + stride = (width * PIXMAN_FORMAT_BPP (fmt) + 7) / 8 + + prng_rand_n (max_extra_stride + 1); + stride = (stride + 3) & ~3; + + /* do the allocation */ + buf = aligned_malloc (64, stride * height); + + if (prng_rand_n (4) == 0) + { + /* uniform distribution */ + prng_randmemset (buf, stride * height, 0); + } + else + { + /* significantly increased probability for 0x00 and 0xFF */ + prng_randmemset (buf, stride * height, RANDMEMSET_MORE_00_AND_FF); + } + + /* test negative stride */ + if (prng_rand_n (4) == 0) + { + buf += (stride / 4) * (height - 1); + stride = - stride; + } + + img = pixman_image_create_bits (fmt, width, height, buf, stride); + + if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_COLOR) + { + pixman_image_set_indexed (img, &(rgb_palette[PIXMAN_FORMAT_BPP (fmt)])); + } + else if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_GRAY) + { + pixman_image_set_indexed (img, &(y_palette[PIXMAN_FORMAT_BPP (fmt)])); + } + + if (prng_rand_n (16) == 0) + pixman_image_set_filter (img, PIXMAN_FILTER_BILINEAR, NULL, 0); + + image_endian_swap (img); + + if (used_fmt) *used_fmt = fmt; + return img; +} + +/* Free random image, and optionally update crc32 based on its data */ +static uint32_t +free_random_image (uint32_t initcrc, + pixman_image_t *img, + pixman_format_code_t fmt) +{ + uint32_t crc32 = 0; + uint32_t *data = pixman_image_get_data (img); + + if (fmt != PIXMAN_null) + crc32 = compute_crc32_for_image (initcrc, img); + + if (img->bits.rowstride < 0) + data += img->bits.rowstride * (img->bits.height - 1); + + pixman_image_unref (img); + free (data); + + return crc32; +} + +static pixman_op_t op_list[] = { + PIXMAN_OP_SRC, + PIXMAN_OP_OVER, + PIXMAN_OP_ADD, + PIXMAN_OP_CLEAR, + PIXMAN_OP_SRC, + PIXMAN_OP_DST, + PIXMAN_OP_OVER, + PIXMAN_OP_OVER_REVERSE, + PIXMAN_OP_IN, + PIXMAN_OP_IN_REVERSE, + PIXMAN_OP_OUT, + PIXMAN_OP_OUT_REVERSE, + PIXMAN_OP_ATOP, + PIXMAN_OP_ATOP_REVERSE, + PIXMAN_OP_XOR, + PIXMAN_OP_ADD, + PIXMAN_OP_SATURATE, + PIXMAN_OP_DISJOINT_CLEAR, + PIXMAN_OP_DISJOINT_SRC, + PIXMAN_OP_DISJOINT_DST, + PIXMAN_OP_DISJOINT_OVER, + PIXMAN_OP_DISJOINT_OVER_REVERSE, + PIXMAN_OP_DISJOINT_IN, + PIXMAN_OP_DISJOINT_IN_REVERSE, + PIXMAN_OP_DISJOINT_OUT, + PIXMAN_OP_DISJOINT_OUT_REVERSE, + PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_OP_DISJOINT_ATOP_REVERSE, + PIXMAN_OP_DISJOINT_XOR, + PIXMAN_OP_CONJOINT_CLEAR, + PIXMAN_OP_CONJOINT_SRC, + PIXMAN_OP_CONJOINT_DST, + PIXMAN_OP_CONJOINT_OVER, + PIXMAN_OP_CONJOINT_OVER_REVERSE, + PIXMAN_OP_CONJOINT_IN, + PIXMAN_OP_CONJOINT_IN_REVERSE, + PIXMAN_OP_CONJOINT_OUT, + PIXMAN_OP_CONJOINT_OUT_REVERSE, + PIXMAN_OP_CONJOINT_ATOP, + PIXMAN_OP_CONJOINT_ATOP_REVERSE, + PIXMAN_OP_CONJOINT_XOR, + PIXMAN_OP_MULTIPLY, + PIXMAN_OP_SCREEN, + PIXMAN_OP_OVERLAY, + PIXMAN_OP_DARKEN, + PIXMAN_OP_LIGHTEN, + PIXMAN_OP_COLOR_DODGE, + PIXMAN_OP_COLOR_BURN, + PIXMAN_OP_HARD_LIGHT, + PIXMAN_OP_DIFFERENCE, + PIXMAN_OP_EXCLUSION, +#if 0 /* these use floating point math and are not always bitexact on different platforms */ + PIXMAN_OP_SOFT_LIGHT, + PIXMAN_OP_HSL_HUE, + PIXMAN_OP_HSL_SATURATION, + PIXMAN_OP_HSL_COLOR, + PIXMAN_OP_HSL_LUMINOSITY, +#endif +}; + +static pixman_format_code_t img_fmt_list[] = { + PIXMAN_a8r8g8b8, + PIXMAN_a8b8g8r8, + PIXMAN_x8r8g8b8, + PIXMAN_x8b8g8r8, + PIXMAN_r5g6b5, + PIXMAN_b5g6r5, + PIXMAN_a8, + PIXMAN_a1, + PIXMAN_r3g3b2, + PIXMAN_b8g8r8a8, + PIXMAN_b8g8r8x8, + PIXMAN_r8g8b8a8, + PIXMAN_r8g8b8x8, + PIXMAN_x14r6g6b6, + PIXMAN_r8g8b8, + PIXMAN_b8g8r8, +#if 0 /* These are going to use floating point in the near future */ + PIXMAN_x2r10g10b10, + PIXMAN_a2r10g10b10, + PIXMAN_x2b10g10r10, + PIXMAN_a2b10g10r10, +#endif + PIXMAN_a1r5g5b5, + PIXMAN_x1r5g5b5, + PIXMAN_a1b5g5r5, + PIXMAN_x1b5g5r5, + PIXMAN_a4r4g4b4, + PIXMAN_x4r4g4b4, + PIXMAN_a4b4g4r4, + PIXMAN_x4b4g4r4, + PIXMAN_r3g3b2, + PIXMAN_b2g3r3, + PIXMAN_a2r2g2b2, + PIXMAN_a2b2g2r2, + PIXMAN_c8, + PIXMAN_g8, + PIXMAN_x4c4, + PIXMAN_x4g4, + PIXMAN_c4, + PIXMAN_g4, + PIXMAN_g1, + PIXMAN_x4a4, + PIXMAN_a4, + PIXMAN_r1g2b1, + PIXMAN_b1g2r1, + PIXMAN_a1r1g1b1, + PIXMAN_a1b1g1r1, + PIXMAN_null +}; + +static pixman_format_code_t mask_fmt_list[] = { + PIXMAN_a8r8g8b8, + PIXMAN_a8, + PIXMAN_a4, + PIXMAN_a1, + PIXMAN_null +}; + + +/* + * Composite operation with pseudorandom images + */ +uint32_t +test_composite (int testnum, int verbose) +{ + pixman_image_t *src_img = NULL; + pixman_image_t *dst_img = NULL; + pixman_image_t *mask_img = NULL; + int src_width, src_height; + int dst_width, dst_height; + int src_stride, dst_stride; + int src_x, src_y; + int dst_x, dst_y; + int mask_x, mask_y; + int w, h; + pixman_op_t op; + pixman_format_code_t src_fmt, dst_fmt, mask_fmt; + uint32_t *srcbuf, *maskbuf; + uint32_t crc32; + int max_width, max_height, max_extra_stride; + FLOAT_REGS_CORRUPTION_DETECTOR_START (); + + max_width = max_height = 24 + testnum / 10000; + max_extra_stride = 4 + testnum / 1000000; + + if (max_width > 256) + max_width = 256; + + if (max_height > 16) + max_height = 16; + + if (max_extra_stride > 8) + max_extra_stride = 8; + + prng_srand (testnum); + + op = op_list[prng_rand_n (ARRAY_LENGTH (op_list))]; + + if (prng_rand_n (8)) + { + /* normal image */ + src_img = create_random_image (img_fmt_list, max_width, max_height, + max_extra_stride, &src_fmt); + } + else + { + /* solid case */ + src_img = create_random_image (img_fmt_list, 1, 1, + max_extra_stride, &src_fmt); + + pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL); + } + + dst_img = create_random_image (img_fmt_list, max_width, max_height, + max_extra_stride, &dst_fmt); + + src_width = pixman_image_get_width (src_img); + src_height = pixman_image_get_height (src_img); + src_stride = pixman_image_get_stride (src_img); + + dst_width = pixman_image_get_width (dst_img); + dst_height = pixman_image_get_height (dst_img); + dst_stride = pixman_image_get_stride (dst_img); + + srcbuf = pixman_image_get_data (src_img); + + src_x = prng_rand_n (src_width); + src_y = prng_rand_n (src_height); + dst_x = prng_rand_n (dst_width); + dst_y = prng_rand_n (dst_height); + + mask_img = NULL; + mask_fmt = PIXMAN_null; + mask_x = 0; + mask_y = 0; + maskbuf = NULL; + + if ((src_fmt == PIXMAN_x8r8g8b8 || src_fmt == PIXMAN_x8b8g8r8) && + (prng_rand_n (4) == 0)) + { + /* PIXBUF */ + mask_fmt = prng_rand_n (2) ? PIXMAN_a8r8g8b8 : PIXMAN_a8b8g8r8; + mask_img = pixman_image_create_bits (mask_fmt, + src_width, + src_height, + srcbuf, + src_stride); + mask_x = src_x; + mask_y = src_y; + maskbuf = srcbuf; + } + else if (prng_rand_n (2)) + { + if (prng_rand_n (2)) + { + mask_img = create_random_image (mask_fmt_list, max_width, max_height, + max_extra_stride, &mask_fmt); + } + else + { + /* solid case */ + mask_img = create_random_image (mask_fmt_list, 1, 1, + max_extra_stride, &mask_fmt); + pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL); + } + + if (prng_rand_n (2)) + pixman_image_set_component_alpha (mask_img, 1); + + mask_x = prng_rand_n (pixman_image_get_width (mask_img)); + mask_y = prng_rand_n (pixman_image_get_height (mask_img)); + } + + + w = prng_rand_n (dst_width - dst_x + 1); + h = prng_rand_n (dst_height - dst_y + 1); + + if (verbose) + { + printf ("op=%s\n", operator_name (op)); + printf ("src_fmt=%s, dst_fmt=%s, mask_fmt=%s\n", + format_name (src_fmt), format_name (dst_fmt), + format_name (mask_fmt)); + printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n", + src_width, src_height, dst_width, dst_height); + printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n", + src_x, src_y, dst_x, dst_y); + printf ("src_stride=%d, dst_stride=%d\n", + src_stride, dst_stride); + printf ("w=%d, h=%d\n", w, h); + } + + pixman_image_composite (op, src_img, mask_img, dst_img, + src_x, src_y, mask_x, mask_y, dst_x, dst_y, w, h); + + if (verbose) + print_image (dst_img); + + free_random_image (0, src_img, PIXMAN_null); + crc32 = free_random_image (0, dst_img, dst_fmt); + + if (mask_img) + { + if (srcbuf == maskbuf) + pixman_image_unref(mask_img); + else + free_random_image (0, mask_img, PIXMAN_null); + } + + FLOAT_REGS_CORRUPTION_DETECTOR_FINISH (); + return crc32; +} + +int +main (int argc, const char *argv[]) +{ + int i; + + prng_srand (0); + + for (i = 1; i <= 8; i++) + { + initialize_palette (&(rgb_palette[i]), i, TRUE); + initialize_palette (&(y_palette[i]), i, FALSE); + } + + return fuzzer_test_main("blitters", 2000000, + 0xE0A07495, + test_composite, argc, argv); +} diff --git a/src/pixman/test/check-formats.c b/src/pixman/test/check-formats.c new file mode 100644 index 0000000..7edc198 --- /dev/null +++ b/src/pixman/test/check-formats.c @@ -0,0 +1,352 @@ +#include <ctype.h> +#include "utils.h" + +static int +check_op (pixman_op_t op, + pixman_format_code_t src_format, + pixman_format_code_t dest_format) +{ + uint32_t src_alpha_mask, src_green_mask; + uint32_t dest_alpha_mask, dest_green_mask; + pixel_checker_t src_checker, dest_checker; + pixman_image_t *si, *di; + uint32_t sa, sg, da, dg; + uint32_t s, d; + int retval = 0; + + pixel_checker_init (&src_checker, src_format); + pixel_checker_init (&dest_checker, dest_format); + + pixel_checker_get_masks ( + &src_checker, &src_alpha_mask, NULL, &src_green_mask, NULL); + pixel_checker_get_masks ( + &dest_checker, &dest_alpha_mask, NULL, &dest_green_mask, NULL); + + /* printf ("masks: %x %x %x %x\n", */ + /* src_alpha_mask, src_green_mask, */ + /* dest_alpha_mask, dest_green_mask); */ + + si = pixman_image_create_bits (src_format, 1, 1, &s, 4); + di = pixman_image_create_bits (dest_format, 1, 1, &d, 4); + + sa = 0; + do + { + sg = 0; + do + { + da = 0; + do + { + dg = 0; + do + { + color_t src_color, dest_color, result_color; + uint32_t orig_d; + + s = sa | sg; + d = da | dg; + + orig_d = d; + + pixel_checker_convert_pixel_to_color (&src_checker, s, &src_color); + pixel_checker_convert_pixel_to_color (&dest_checker, d, &dest_color); + + do_composite (op, &src_color, NULL, &dest_color, &result_color, FALSE); + + + if (!is_little_endian()) + { + s <<= 32 - PIXMAN_FORMAT_BPP (src_format); + d <<= 32 - PIXMAN_FORMAT_BPP (dest_format); + } + + pixman_image_composite32 (op, si, NULL, di, + 0, 0, 0, 0, 0, 0, 1, 1); + + if (!is_little_endian()) + d >>= (32 - PIXMAN_FORMAT_BPP (dest_format)); + + if (!pixel_checker_check (&dest_checker, d, &result_color)) + { + printf ("---- test failed ----\n"); + printf ("operator: %-32s\n", operator_name (op)); + printf ("source: %-12s pixel: %08x\n", format_name (src_format), s); + printf ("dest: %-12s pixel: %08x\n", format_name (dest_format), orig_d); + printf ("got: %-12s pixel: %08x\n", format_name (dest_format), d); + + retval = 1; + } + + dg -= dest_green_mask; + dg &= dest_green_mask; + } + while (dg != 0); + + da -= dest_alpha_mask; + da &= dest_alpha_mask; + } + while (da != 0); + + sg -= src_green_mask; + sg &= src_green_mask; + } + while (sg != 0); + + sa -= src_alpha_mask; + sa &= src_alpha_mask; + } + while (sa != 0); + + pixman_image_unref (si); + pixman_image_unref (di); + + return retval; +} + +static const pixman_op_t op_list[] = +{ + PIXMAN_OP_CLEAR, + PIXMAN_OP_SRC, + PIXMAN_OP_DST, + PIXMAN_OP_OVER, + PIXMAN_OP_OVER_REVERSE, + PIXMAN_OP_IN, + PIXMAN_OP_IN_REVERSE, + PIXMAN_OP_OUT, + PIXMAN_OP_OUT_REVERSE, + PIXMAN_OP_ATOP, + PIXMAN_OP_ATOP_REVERSE, + PIXMAN_OP_XOR, + PIXMAN_OP_ADD, + PIXMAN_OP_SATURATE, + + PIXMAN_OP_DISJOINT_CLEAR, + PIXMAN_OP_DISJOINT_SRC, + PIXMAN_OP_DISJOINT_DST, + PIXMAN_OP_DISJOINT_OVER, + PIXMAN_OP_DISJOINT_OVER_REVERSE, + PIXMAN_OP_DISJOINT_IN, + PIXMAN_OP_DISJOINT_IN_REVERSE, + PIXMAN_OP_DISJOINT_OUT, + PIXMAN_OP_DISJOINT_OUT_REVERSE, + PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_OP_DISJOINT_ATOP_REVERSE, + PIXMAN_OP_DISJOINT_XOR, + + PIXMAN_OP_CONJOINT_CLEAR, + PIXMAN_OP_CONJOINT_SRC, + PIXMAN_OP_CONJOINT_DST, + PIXMAN_OP_CONJOINT_OVER, + PIXMAN_OP_CONJOINT_OVER_REVERSE, + PIXMAN_OP_CONJOINT_IN, + PIXMAN_OP_CONJOINT_IN_REVERSE, + PIXMAN_OP_CONJOINT_OUT, + PIXMAN_OP_CONJOINT_OUT_REVERSE, + PIXMAN_OP_CONJOINT_ATOP, + PIXMAN_OP_CONJOINT_ATOP_REVERSE, + PIXMAN_OP_CONJOINT_XOR, +}; + +static const pixman_format_code_t format_list[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_x8r8g8b8, + PIXMAN_a8b8g8r8, + PIXMAN_x8b8g8r8, + PIXMAN_b8g8r8a8, + PIXMAN_b8g8r8x8, + PIXMAN_r8g8b8a8, + PIXMAN_r8g8b8x8, + PIXMAN_x14r6g6b6, + PIXMAN_x2r10g10b10, + PIXMAN_a2r10g10b10, + PIXMAN_x2b10g10r10, + PIXMAN_a2b10g10r10, + PIXMAN_a8r8g8b8_sRGB, + PIXMAN_r8g8b8, + PIXMAN_b8g8r8, + PIXMAN_r5g6b5, + PIXMAN_b5g6r5, + PIXMAN_a1r5g5b5, + PIXMAN_x1r5g5b5, + PIXMAN_a1b5g5r5, + PIXMAN_x1b5g5r5, + PIXMAN_a4r4g4b4, + PIXMAN_x4r4g4b4, + PIXMAN_a4b4g4r4, + PIXMAN_x4b4g4r4, + PIXMAN_a8, + PIXMAN_r3g3b2, + PIXMAN_b2g3r3, + PIXMAN_a2r2g2b2, + PIXMAN_a2b2g2r2, + PIXMAN_x4a4, + PIXMAN_a4, + PIXMAN_r1g2b1, + PIXMAN_b1g2r1, + PIXMAN_a1r1g1b1, + PIXMAN_a1b1g1r1, + PIXMAN_a1, +}; + +static pixman_format_code_t +format_from_string (const char *s) +{ + int i; + + for (i = 0; i < ARRAY_LENGTH (format_list); ++i) + { + if (strcasecmp (format_name (format_list[i]), s) == 0) + return format_list[i]; + } + + return PIXMAN_null; +} + +static void +emit (const char *s, int *n_chars) +{ + *n_chars += printf ("%s,", s); + if (*n_chars > 60) + { + printf ("\n "); + *n_chars = 0; + } + else + { + printf (" "); + (*n_chars)++; + } +} + +static void +list_formats (void) +{ + int n_chars; + int i; + + printf ("Formats:\n "); + + n_chars = 0; + for (i = 0; i < ARRAY_LENGTH (format_list); ++i) + emit (format_name (format_list[i]), &n_chars); + + printf ("\n\n"); +} + +static void +list_operators (void) +{ + char short_name [128] = { 0 }; + int i, n_chars; + + printf ("Operators:\n "); + + n_chars = 0; + for (i = 0; i < ARRAY_LENGTH (op_list); ++i) + { + pixman_op_t op = op_list[i]; + int j; + + snprintf (short_name, sizeof (short_name) - 1, "%s", + operator_name (op) + strlen ("PIXMAN_OP_")); + + for (j = 0; short_name[j] != '\0'; ++j) + short_name[j] = tolower (short_name[j]); + + emit (short_name, &n_chars); + } + + printf ("\n\n"); +} + +static pixman_op_t +operator_from_string (const char *s) +{ + char full_name[128] = { 0 }; + int i; + + snprintf (full_name, (sizeof full_name) - 1, "PIXMAN_OP_%s", s); + + for (i = 0; i < ARRAY_LENGTH (op_list); ++i) + { + pixman_op_t op = op_list[i]; + + if (strcasecmp (operator_name (op), full_name) == 0) + return op; + } + + return PIXMAN_OP_NONE; +} + +int +main (int argc, char **argv) +{ + enum { OPTION_OP, OPTION_SRC, OPTION_DEST, LAST_OPTION } option; + pixman_format_code_t src_fmt, dest_fmt; + pixman_op_t op; + + op = PIXMAN_OP_NONE; + src_fmt = PIXMAN_null; + dest_fmt = PIXMAN_null; + + argc--; + argv++; + + for (option = OPTION_OP; option < LAST_OPTION; ++option) + { + char *arg = NULL; + + if (argc) + { + argc--; + arg = *argv++; + } + + switch (option) + { + case OPTION_OP: + if (!arg) + printf (" - missing operator\n"); + else if ((op = operator_from_string (arg)) == PIXMAN_OP_NONE) + printf (" - unknown operator %s\n", arg); + break; + + case OPTION_SRC: + if (!arg) + printf (" - missing source format\n"); + else if ((src_fmt = format_from_string (arg)) == PIXMAN_null) + printf (" - unknown source format %s\n", arg); + break; + + case OPTION_DEST: + if (!arg) + printf (" - missing destination format\n"); + else if ((dest_fmt = format_from_string (arg)) == PIXMAN_null) + printf (" - unknown destination format %s\n", arg); + break; + + default: + assert (0); + break; + } + } + + while (argc--) + { + op = PIXMAN_OP_NONE; + printf (" - unexpected argument: %s\n", *argv++); + } + + if (op == PIXMAN_OP_NONE || src_fmt == PIXMAN_null || dest_fmt == PIXMAN_null) + { + printf ("\nUsage:\n check-formats <operator> <src-format> <dest-format>\n\n"); + list_operators(); + list_formats(); + + return -1; + } + + return check_op (op, src_fmt, dest_fmt); +} diff --git a/src/pixman/test/combiner-test.c b/src/pixman/test/combiner-test.c new file mode 100644 index 0000000..01f63a5 --- /dev/null +++ b/src/pixman/test/combiner-test.c @@ -0,0 +1,151 @@ +#include <stdio.h> +#include <stdlib.h> +#include "utils.h" +#include <sys/types.h> +#include "pixman-private.h" + +static const pixman_op_t op_list[] = +{ + PIXMAN_OP_SRC, + PIXMAN_OP_OVER, + PIXMAN_OP_ADD, + PIXMAN_OP_CLEAR, + PIXMAN_OP_SRC, + PIXMAN_OP_DST, + PIXMAN_OP_OVER, + PIXMAN_OP_OVER_REVERSE, + PIXMAN_OP_IN, + PIXMAN_OP_IN_REVERSE, + PIXMAN_OP_OUT, + PIXMAN_OP_OUT_REVERSE, + PIXMAN_OP_ATOP, + PIXMAN_OP_ATOP_REVERSE, + PIXMAN_OP_XOR, + PIXMAN_OP_ADD, + PIXMAN_OP_SATURATE, + PIXMAN_OP_DISJOINT_CLEAR, + PIXMAN_OP_DISJOINT_SRC, + PIXMAN_OP_DISJOINT_DST, + PIXMAN_OP_DISJOINT_OVER, + PIXMAN_OP_DISJOINT_OVER_REVERSE, + PIXMAN_OP_DISJOINT_IN, + PIXMAN_OP_DISJOINT_IN_REVERSE, + PIXMAN_OP_DISJOINT_OUT, + PIXMAN_OP_DISJOINT_OUT_REVERSE, + PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_OP_DISJOINT_ATOP_REVERSE, + PIXMAN_OP_DISJOINT_XOR, + PIXMAN_OP_CONJOINT_CLEAR, + PIXMAN_OP_CONJOINT_SRC, + PIXMAN_OP_CONJOINT_DST, + PIXMAN_OP_CONJOINT_OVER, + PIXMAN_OP_CONJOINT_OVER_REVERSE, + PIXMAN_OP_CONJOINT_IN, + PIXMAN_OP_CONJOINT_IN_REVERSE, + PIXMAN_OP_CONJOINT_OUT, + PIXMAN_OP_CONJOINT_OUT_REVERSE, + PIXMAN_OP_CONJOINT_ATOP, + PIXMAN_OP_CONJOINT_ATOP_REVERSE, + PIXMAN_OP_CONJOINT_XOR, + PIXMAN_OP_MULTIPLY, + PIXMAN_OP_SCREEN, + PIXMAN_OP_OVERLAY, + PIXMAN_OP_DARKEN, + PIXMAN_OP_LIGHTEN, + PIXMAN_OP_COLOR_DODGE, + PIXMAN_OP_COLOR_BURN, + PIXMAN_OP_HARD_LIGHT, + PIXMAN_OP_DIFFERENCE, + PIXMAN_OP_EXCLUSION, + PIXMAN_OP_SOFT_LIGHT, + PIXMAN_OP_HSL_HUE, + PIXMAN_OP_HSL_SATURATION, + PIXMAN_OP_HSL_COLOR, + PIXMAN_OP_HSL_LUMINOSITY, +}; + +static float +rand_float (void) +{ + uint32_t u = prng_rand(); + + return *(float *)&u; +} + +static void +random_floats (argb_t *argb, int width) +{ + int i; + + for (i = 0; i < width; ++i) + { + argb_t *p = argb + i; + + p->a = rand_float(); + p->r = rand_float(); + p->g = rand_float(); + p->b = rand_float(); + } +} + +#define WIDTH 512 + +static pixman_combine_float_func_t +lookup_combiner (pixman_implementation_t *imp, pixman_op_t op, + pixman_bool_t component_alpha) +{ + pixman_combine_float_func_t f; + + do + { + if (component_alpha) + f = imp->combine_float_ca[op]; + else + f = imp->combine_float[op]; + + imp = imp->fallback; + } + while (!f); + + return f; +} + +int +main () +{ + pixman_implementation_t *impl; + argb_t *src_bytes = malloc (WIDTH * sizeof (argb_t)); + argb_t *mask_bytes = malloc (WIDTH * sizeof (argb_t)); + argb_t *dest_bytes = malloc (WIDTH * sizeof (argb_t)); + int i; + + enable_divbyzero_exceptions(); + + impl = _pixman_internal_only_get_implementation(); + + prng_srand (0); + + for (i = 0; i < ARRAY_LENGTH (op_list); ++i) + { + pixman_op_t op = op_list[i]; + pixman_combine_float_func_t combiner; + int ca; + + for (ca = 0; ca < 2; ++ca) + { + combiner = lookup_combiner (impl, op, ca); + + random_floats (src_bytes, WIDTH); + random_floats (mask_bytes, WIDTH); + random_floats (dest_bytes, WIDTH); + + combiner (impl, op, + (float *)dest_bytes, + (float *)mask_bytes, + (float *)src_bytes, + WIDTH); + } + } + + return 0; +} diff --git a/src/pixman/test/composite-traps-test.c b/src/pixman/test/composite-traps-test.c new file mode 100644 index 0000000..86a0355 --- /dev/null +++ b/src/pixman/test/composite-traps-test.c @@ -0,0 +1,252 @@ +/* Based loosely on scaling-test */ + +#include <stdlib.h> +#include <stdio.h> +#include "utils.h" + +#define MAX_SRC_WIDTH 48 +#define MAX_SRC_HEIGHT 48 +#define MAX_DST_WIDTH 48 +#define MAX_DST_HEIGHT 48 +#define MAX_STRIDE 4 + +static pixman_format_code_t formats[] = +{ + PIXMAN_a8r8g8b8, PIXMAN_a8, PIXMAN_r5g6b5, PIXMAN_a1, PIXMAN_a4 +}; + +static pixman_format_code_t mask_formats[] = +{ + PIXMAN_a1, PIXMAN_a4, PIXMAN_a8, +}; + +static pixman_op_t operators[] = +{ + PIXMAN_OP_OVER, PIXMAN_OP_ADD, PIXMAN_OP_SRC, PIXMAN_OP_IN +}; + +#define RANDOM_ELT(array) \ + ((array)[prng_rand_n(ARRAY_LENGTH((array)))]) + +static void +destroy_bits (pixman_image_t *image, void *data) +{ + fence_free (data); +} + +static pixman_fixed_t +random_fixed (int n) +{ + return prng_rand_n (n << 16); +} + +/* + * Composite operation with pseudorandom images + */ +uint32_t +test_composite (int testnum, + int verbose) +{ + int i; + pixman_image_t * src_img; + pixman_image_t * dst_img; + pixman_region16_t clip; + int dst_width, dst_height; + int dst_stride; + int dst_x, dst_y; + int dst_bpp; + pixman_op_t op; + uint32_t * dst_bits; + uint32_t crc32; + pixman_format_code_t mask_format, dst_format; + pixman_trapezoid_t *traps; + int src_x, src_y; + int n_traps; + + static pixman_color_t colors[] = + { + { 0xffff, 0xffff, 0xffff, 0xffff }, + { 0x0000, 0x0000, 0x0000, 0x0000 }, + { 0xabcd, 0xabcd, 0x0000, 0xabcd }, + { 0x0000, 0x0000, 0x0000, 0xffff }, + { 0x0101, 0x0101, 0x0101, 0x0101 }, + { 0x7777, 0x6666, 0x5555, 0x9999 }, + }; + + FLOAT_REGS_CORRUPTION_DETECTOR_START (); + + prng_srand (testnum); + + op = RANDOM_ELT (operators); + mask_format = RANDOM_ELT (mask_formats); + + /* Create source image */ + + if (prng_rand_n (4) == 0) + { + src_img = pixman_image_create_solid_fill ( + &(colors[prng_rand_n (ARRAY_LENGTH (colors))])); + + src_x = 10; + src_y = 234; + } + else + { + pixman_format_code_t src_format = RANDOM_ELT(formats); + int src_bpp = (PIXMAN_FORMAT_BPP (src_format) + 7) / 8; + int src_width = prng_rand_n (MAX_SRC_WIDTH) + 1; + int src_height = prng_rand_n (MAX_SRC_HEIGHT) + 1; + int src_stride = src_width * src_bpp + prng_rand_n (MAX_STRIDE) * src_bpp; + uint32_t *bits, *orig; + + src_x = -(src_width / 4) + prng_rand_n (src_width * 3 / 2); + src_y = -(src_height / 4) + prng_rand_n (src_height * 3 / 2); + + src_stride = (src_stride + 3) & ~3; + + orig = bits = (uint32_t *)make_random_bytes (src_stride * src_height); + + if (prng_rand_n (2) == 0) + { + bits += (src_stride / 4) * (src_height - 1); + src_stride = - src_stride; + } + + src_img = pixman_image_create_bits ( + src_format, src_width, src_height, bits, src_stride); + + pixman_image_set_destroy_function (src_img, destroy_bits, orig); + + if (prng_rand_n (8) == 0) + { + pixman_box16_t clip_boxes[2]; + int n = prng_rand_n (2) + 1; + + for (i = 0; i < n; i++) + { + clip_boxes[i].x1 = prng_rand_n (src_width); + clip_boxes[i].y1 = prng_rand_n (src_height); + clip_boxes[i].x2 = + clip_boxes[i].x1 + prng_rand_n (src_width - clip_boxes[i].x1); + clip_boxes[i].y2 = + clip_boxes[i].y1 + prng_rand_n (src_height - clip_boxes[i].y1); + + if (verbose) + { + printf ("source clip box: [%d,%d-%d,%d]\n", + clip_boxes[i].x1, clip_boxes[i].y1, + clip_boxes[i].x2, clip_boxes[i].y2); + } + } + + pixman_region_init_rects (&clip, clip_boxes, n); + pixman_image_set_clip_region (src_img, &clip); + pixman_image_set_source_clipping (src_img, 1); + pixman_region_fini (&clip); + } + + image_endian_swap (src_img); + } + + /* Create destination image */ + { + dst_format = RANDOM_ELT(formats); + dst_bpp = (PIXMAN_FORMAT_BPP (dst_format) + 7) / 8; + dst_width = prng_rand_n (MAX_DST_WIDTH) + 1; + dst_height = prng_rand_n (MAX_DST_HEIGHT) + 1; + dst_stride = dst_width * dst_bpp + prng_rand_n (MAX_STRIDE) * dst_bpp; + dst_stride = (dst_stride + 3) & ~3; + + dst_bits = (uint32_t *)make_random_bytes (dst_stride * dst_height); + + if (prng_rand_n (2) == 0) + { + dst_bits += (dst_stride / 4) * (dst_height - 1); + dst_stride = - dst_stride; + } + + dst_x = -(dst_width / 4) + prng_rand_n (dst_width * 3 / 2); + dst_y = -(dst_height / 4) + prng_rand_n (dst_height * 3 / 2); + + dst_img = pixman_image_create_bits ( + dst_format, dst_width, dst_height, dst_bits, dst_stride); + + image_endian_swap (dst_img); + } + + /* Create traps */ + { + int i; + + n_traps = prng_rand_n (25); + traps = fence_malloc (n_traps * sizeof (pixman_trapezoid_t)); + + for (i = 0; i < n_traps; ++i) + { + pixman_trapezoid_t *t = &(traps[i]); + + t->top = random_fixed (MAX_DST_HEIGHT) - MAX_DST_HEIGHT / 2; + t->bottom = t->top + random_fixed (MAX_DST_HEIGHT); + t->left.p1.x = random_fixed (MAX_DST_WIDTH) - MAX_DST_WIDTH / 2; + t->left.p1.y = t->top - random_fixed (50); + t->left.p2.x = random_fixed (MAX_DST_WIDTH) - MAX_DST_WIDTH / 2; + t->left.p2.y = t->bottom + random_fixed (50); + t->right.p1.x = t->left.p1.x + random_fixed (MAX_DST_WIDTH); + t->right.p1.y = t->top - random_fixed (50); + t->right.p2.x = t->left.p2.x + random_fixed (MAX_DST_WIDTH); + t->right.p2.y = t->bottom - random_fixed (50); + } + } + + if (prng_rand_n (8) == 0) + { + pixman_box16_t clip_boxes[2]; + int n = prng_rand_n (2) + 1; + for (i = 0; i < n; i++) + { + clip_boxes[i].x1 = prng_rand_n (dst_width); + clip_boxes[i].y1 = prng_rand_n (dst_height); + clip_boxes[i].x2 = + clip_boxes[i].x1 + prng_rand_n (dst_width - clip_boxes[i].x1); + clip_boxes[i].y2 = + clip_boxes[i].y1 + prng_rand_n (dst_height - clip_boxes[i].y1); + + if (verbose) + { + printf ("destination clip box: [%d,%d-%d,%d]\n", + clip_boxes[i].x1, clip_boxes[i].y1, + clip_boxes[i].x2, clip_boxes[i].y2); + } + } + pixman_region_init_rects (&clip, clip_boxes, n); + pixman_image_set_clip_region (dst_img, &clip); + pixman_region_fini (&clip); + } + + pixman_composite_trapezoids (op, src_img, dst_img, mask_format, + src_x, src_y, dst_x, dst_y, n_traps, traps); + + crc32 = compute_crc32_for_image (0, dst_img); + + if (verbose) + print_image (dst_img); + + if (dst_stride < 0) + dst_bits += (dst_stride / 4) * (dst_height - 1); + + fence_free (dst_bits); + + pixman_image_unref (src_img); + pixman_image_unref (dst_img); + fence_free (traps); + + FLOAT_REGS_CORRUPTION_DETECTOR_FINISH (); + return crc32; +} + +int +main (int argc, const char *argv[]) +{ + return fuzzer_test_main("composite traps", 40000, 0xAF41D210, + test_composite, argc, argv); +} diff --git a/src/pixman/test/composite.c b/src/pixman/test/composite.c new file mode 100644 index 0000000..9e51a8f --- /dev/null +++ b/src/pixman/test/composite.c @@ -0,0 +1,536 @@ +/* + * Copyright © 2005 Eric Anholt + * Copyright © 2009 Chris Wilson + * Copyright © 2010 Soeren Sandmann + * Copyright © 2010 Red Hat, Inc. + * + * Permission to use, copy, modify, distribute, and sell this software and its + * documentation for any purpose is hereby granted without fee, provided that + * the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of Eric Anholt not be used in + * advertising or publicity pertaining to distribution of the software without + * specific, written prior permission. Eric Anholt makes no + * representations about the suitability of this software for any purpose. It + * is provided "as is" without express or implied warranty. + * + * ERIC ANHOLT DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, + * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO + * EVENT SHALL ERIC ANHOLT BE LIABLE FOR ANY SPECIAL, INDIRECT OR + * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, + * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER + * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR + * PERFORMANCE OF THIS SOFTWARE. + */ +#include <stdio.h> +#include <stdlib.h> /* abort() */ +#include <math.h> +#include <time.h> +#include "utils.h" + +typedef struct image_t image_t; + +static const color_t colors[] = +{ + { 1.0, 1.0, 1.0, 1.0 }, + { 1.0, 1.0, 1.0, 0.0 }, + { 0.0, 0.0, 0.0, 1.0 }, + { 0.0, 0.0, 0.0, 0.0 }, + { 1.0, 0.0, 0.0, 1.0 }, + { 0.0, 1.0, 0.0, 1.0 }, + { 0.0, 0.0, 1.0, 1.0 }, + { 0.5, 0.0, 0.0, 0.5 }, +}; + +static uint16_t +_color_double_to_short (double d) +{ + uint32_t i; + + i = (uint32_t) (d * 65536); + i -= (i >> 16); + + return i; +} + +static void +compute_pixman_color (const color_t *color, + pixman_color_t *out) +{ + out->red = _color_double_to_short (color->r); + out->green = _color_double_to_short (color->g); + out->blue = _color_double_to_short (color->b); + out->alpha = _color_double_to_short (color->a); +} + +#define REPEAT 0x01000000 +#define FLAGS 0xff000000 + +static const int sizes[] = +{ + 0, + 1, + 1 | REPEAT, + 10 +}; + +static const pixman_format_code_t formats[] = +{ + /* 32 bpp formats */ + PIXMAN_a8r8g8b8, + PIXMAN_x8r8g8b8, + PIXMAN_a8b8g8r8, + PIXMAN_x8b8g8r8, + PIXMAN_b8g8r8a8, + PIXMAN_b8g8r8x8, + PIXMAN_r8g8b8a8, + PIXMAN_r8g8b8x8, + PIXMAN_x2r10g10b10, + PIXMAN_x2b10g10r10, + PIXMAN_a2r10g10b10, + PIXMAN_a2b10g10r10, + + /* sRGB formats */ + PIXMAN_a8r8g8b8_sRGB, + + /* 24 bpp formats */ + PIXMAN_r8g8b8, + PIXMAN_b8g8r8, + PIXMAN_r5g6b5, + PIXMAN_b5g6r5, + + /* 16 bpp formats */ + PIXMAN_x1r5g5b5, + PIXMAN_x1b5g5r5, + PIXMAN_a1r5g5b5, + PIXMAN_a1b5g5r5, + PIXMAN_a4b4g4r4, + PIXMAN_x4b4g4r4, + PIXMAN_a4r4g4b4, + PIXMAN_x4r4g4b4, + + /* 8 bpp formats */ + PIXMAN_a8, + PIXMAN_r3g3b2, + PIXMAN_b2g3r3, + PIXMAN_a2r2g2b2, + PIXMAN_a2b2g2r2, + PIXMAN_x4a4, + + /* 4 bpp formats */ + PIXMAN_a4, + PIXMAN_r1g2b1, + PIXMAN_b1g2r1, + PIXMAN_a1r1g1b1, + PIXMAN_a1b1g1r1, + + /* 1 bpp formats */ + PIXMAN_a1, +}; + +struct image_t +{ + pixman_image_t *image; + pixman_format_code_t format; + const color_t *color; + pixman_repeat_t repeat; + int size; +}; + +static const pixman_op_t operators[] = +{ + PIXMAN_OP_CLEAR, + PIXMAN_OP_SRC, + PIXMAN_OP_DST, + PIXMAN_OP_OVER, + PIXMAN_OP_OVER_REVERSE, + PIXMAN_OP_IN, + PIXMAN_OP_IN_REVERSE, + PIXMAN_OP_OUT, + PIXMAN_OP_OUT_REVERSE, + PIXMAN_OP_ATOP, + PIXMAN_OP_ATOP_REVERSE, + PIXMAN_OP_XOR, + PIXMAN_OP_ADD, + PIXMAN_OP_SATURATE, + + PIXMAN_OP_DISJOINT_CLEAR, + PIXMAN_OP_DISJOINT_SRC, + PIXMAN_OP_DISJOINT_DST, + PIXMAN_OP_DISJOINT_OVER, + PIXMAN_OP_DISJOINT_OVER_REVERSE, + PIXMAN_OP_DISJOINT_IN, + PIXMAN_OP_DISJOINT_IN_REVERSE, + PIXMAN_OP_DISJOINT_OUT, + PIXMAN_OP_DISJOINT_OUT_REVERSE, + PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_OP_DISJOINT_ATOP_REVERSE, + PIXMAN_OP_DISJOINT_XOR, + + PIXMAN_OP_CONJOINT_CLEAR, + PIXMAN_OP_CONJOINT_SRC, + PIXMAN_OP_CONJOINT_DST, + PIXMAN_OP_CONJOINT_OVER, + PIXMAN_OP_CONJOINT_OVER_REVERSE, + PIXMAN_OP_CONJOINT_IN, + PIXMAN_OP_CONJOINT_IN_REVERSE, + PIXMAN_OP_CONJOINT_OUT, + PIXMAN_OP_CONJOINT_OUT_REVERSE, + PIXMAN_OP_CONJOINT_ATOP, + PIXMAN_OP_CONJOINT_ATOP_REVERSE, + PIXMAN_OP_CONJOINT_XOR, +}; + +static uint32_t +get_value (pixman_image_t *image) +{ + uint32_t value = *(uint32_t *)pixman_image_get_data (image); + +#ifdef WORDS_BIGENDIAN + { + pixman_format_code_t format = pixman_image_get_format (image); + value >>= 8 * sizeof(value) - PIXMAN_FORMAT_BPP (format); + } +#endif + + return value; +} + +static char * +describe_image (image_t *info, char *buf) +{ + if (info->size) + { + sprintf (buf, "%s, %dx%d%s", + format_name (info->format), + info->size, info->size, + info->repeat ? " R" :""); + } + else + { + sprintf (buf, "solid"); + } + + return buf; +} + +static char * +describe_color (const color_t *color, char *buf) +{ + sprintf (buf, "%.3f %.3f %.3f %.3f", + color->r, color->g, color->b, color->a); + + return buf; +} + +static pixman_bool_t +composite_test (image_t *dst, + pixman_op_t op, + image_t *src, + image_t *mask, + pixman_bool_t component_alpha, + int testno) +{ + color_t expected, tdst, tsrc, tmsk; + pixel_checker_t checker; + + if (mask) + { + pixman_image_set_component_alpha (mask->image, component_alpha); + + pixman_image_composite (op, src->image, mask->image, dst->image, + 0, 0, 0, 0, 0, 0, dst->size, dst->size); + } + else + { + pixman_image_composite (op, src->image, NULL, dst->image, + 0, 0, + 0, 0, + 0, 0, + dst->size, dst->size); + } + + tdst = *dst->color; + tsrc = *src->color; + + if (mask) + { + tmsk = *mask->color; + } + + /* It turns out that by construction all source, mask etc. colors are + * linear because they are made from fills, and fills are always in linear + * color space. However, if they have been converted to bitmaps, we need + * to simulate the sRGB approximation to pass the test cases. + */ + if (src->size) + { + if (PIXMAN_FORMAT_TYPE (src->format) == PIXMAN_TYPE_ARGB_SRGB) + { + tsrc.r = convert_linear_to_srgb (tsrc.r); + tsrc.g = convert_linear_to_srgb (tsrc.g); + tsrc.b = convert_linear_to_srgb (tsrc.b); + round_color (src->format, &tsrc); + tsrc.r = convert_srgb_to_linear (tsrc.r); + tsrc.g = convert_srgb_to_linear (tsrc.g); + tsrc.b = convert_srgb_to_linear (tsrc.b); + } + else + { + round_color (src->format, &tsrc); + } + } + + if (mask && mask->size) + { + if (PIXMAN_FORMAT_TYPE (mask->format) == PIXMAN_TYPE_ARGB_SRGB) + { + tmsk.r = convert_linear_to_srgb (tmsk.r); + tmsk.g = convert_linear_to_srgb (tmsk.g); + tmsk.b = convert_linear_to_srgb (tmsk.b); + round_color (mask->format, &tmsk); + tmsk.r = convert_srgb_to_linear (tmsk.r); + tmsk.g = convert_srgb_to_linear (tmsk.g); + tmsk.b = convert_srgb_to_linear (tmsk.b); + } + else + { + round_color (mask->format, &tmsk); + } + } + + if (mask) + { + if (component_alpha && PIXMAN_FORMAT_R (mask->format) == 0) + { + /* Ax component-alpha masks expand alpha into + * all color channels. + */ + tmsk.r = tmsk.g = tmsk.b = tmsk.a; + } + } + + if (PIXMAN_FORMAT_TYPE (dst->format) == PIXMAN_TYPE_ARGB_SRGB) + { + tdst.r = convert_linear_to_srgb (tdst.r); + tdst.g = convert_linear_to_srgb (tdst.g); + tdst.b = convert_linear_to_srgb (tdst.b); + round_color (dst->format, &tdst); + tdst.r = convert_srgb_to_linear (tdst.r); + tdst.g = convert_srgb_to_linear (tdst.g); + tdst.b = convert_srgb_to_linear (tdst.b); + } + else + { + round_color (dst->format, &tdst); + } + + do_composite (op, + &tsrc, + mask? &tmsk : NULL, + &tdst, + &expected, + component_alpha); + + pixel_checker_init (&checker, dst->format); + + if (!pixel_checker_check (&checker, get_value (dst->image), &expected)) + { + char buf[40], buf2[40]; + int a, r, g, b; + uint32_t pixel; + + printf ("---- Test %d failed ----\n", testno); + printf ("Operator: %s %s\n", + operator_name (op), component_alpha ? "CA" : ""); + + printf ("Source: %s\n", describe_image (src, buf)); + if (mask != NULL) + printf ("Mask: %s\n", describe_image (mask, buf)); + + printf ("Destination: %s\n\n", describe_image (dst, buf)); + printf (" R G B A Rounded\n"); + printf ("Source color: %s %s\n", + describe_color (src->color, buf), + describe_color (&tsrc, buf2)); + if (mask) + { + printf ("Mask color: %s %s\n", + describe_color (mask->color, buf), + describe_color (&tmsk, buf2)); + } + printf ("Dest. color: %s %s\n", + describe_color (dst->color, buf), + describe_color (&tdst, buf2)); + + pixel = get_value (dst->image); + + printf ("Expected: %s\n", describe_color (&expected, buf)); + + pixel_checker_split_pixel (&checker, pixel, &a, &r, &g, &b); + + printf ("Got: %5d %5d %5d %5d [pixel: 0x%08x]\n", r, g, b, a, pixel); + pixel_checker_get_min (&checker, &expected, &a, &r, &g, &b); + printf ("Min accepted: %5d %5d %5d %5d\n", r, g, b, a); + pixel_checker_get_max (&checker, &expected, &a, &r, &g, &b); + printf ("Max accepted: %5d %5d %5d %5d\n", r, g, b, a); + + return FALSE; + } + return TRUE; +} + +static void +image_init (image_t *info, + int color, + int format, + int size) +{ + pixman_color_t fill; + + info->color = &colors[color]; + compute_pixman_color (info->color, &fill); + + info->format = formats[format]; + info->size = sizes[size] & ~FLAGS; + info->repeat = PIXMAN_REPEAT_NONE; + + if (info->size) + { + pixman_image_t *solid; + + info->image = pixman_image_create_bits (info->format, + info->size, info->size, + NULL, 0); + + solid = pixman_image_create_solid_fill (&fill); + pixman_image_composite32 (PIXMAN_OP_SRC, solid, NULL, info->image, + 0, 0, 0, 0, 0, 0, info->size, info->size); + pixman_image_unref (solid); + + if (sizes[size] & REPEAT) + { + pixman_image_set_repeat (info->image, PIXMAN_REPEAT_NORMAL); + info->repeat = PIXMAN_REPEAT_NORMAL; + } + } + else + { + info->image = pixman_image_create_solid_fill (&fill); + } +} + +static void +image_fini (image_t *info) +{ + pixman_image_unref (info->image); +} + +static int +random_size (void) +{ + return prng_rand_n (ARRAY_LENGTH (sizes)); +} + +static int +random_color (void) +{ + return prng_rand_n (ARRAY_LENGTH (colors)); +} + +static int +random_format (void) +{ + return prng_rand_n (ARRAY_LENGTH (formats)); +} + +static pixman_bool_t +run_test (uint32_t seed) +{ + image_t src, mask, dst; + pixman_op_t op; + int ca; + int ok; + + prng_srand (seed); + + image_init (&dst, random_color(), random_format(), 1); + image_init (&src, random_color(), random_format(), random_size()); + image_init (&mask, random_color(), random_format(), random_size()); + + op = operators [prng_rand_n (ARRAY_LENGTH (operators))]; + + ca = prng_rand_n (3); + + switch (ca) + { + case 0: + ok = composite_test (&dst, op, &src, NULL, FALSE, seed); + break; + case 1: + ok = composite_test (&dst, op, &src, &mask, FALSE, seed); + break; + case 2: + ok = composite_test (&dst, op, &src, &mask, + mask.size? TRUE : FALSE, seed); + break; + default: + ok = FALSE; + break; + } + + image_fini (&src); + image_fini (&mask); + image_fini (&dst); + + return ok; +} + +int +main (int argc, char **argv) +{ +#define N_TESTS (8 * 1024 * 1024) + int result = 0; + uint32_t seed; + int32_t i; + + if (argc > 1) + { + char *end; + + i = strtol (argv[1], &end, 0); + + if (end != argv[1]) + { + if (!run_test (i)) + return 1; + else + return 0; + } + else + { + printf ("Usage:\n\n %s <number>\n\n", argv[0]); + return -1; + } + } + + if (getenv ("PIXMAN_RANDOMIZE_TESTS")) + seed = get_random_seed(); + else + seed = 1; + +#ifdef USE_OPENMP +# pragma omp parallel for default(none) shared(result, argv, seed) +#endif + for (i = 0; i <= N_TESTS; ++i) + { + if (!result && !run_test (i + seed)) + { + printf ("Test 0x%08X failed.\n", seed + i); + + result = seed + i; + } + } + + return result; +} diff --git a/src/pixman/test/fetch-test.c b/src/pixman/test/fetch-test.c new file mode 100644 index 0000000..04e8cc5 --- /dev/null +++ b/src/pixman/test/fetch-test.c @@ -0,0 +1,205 @@ +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include "utils.h" + +#define SIZE 1024 + +static pixman_indexed_t mono_palette = +{ + 0, { 0x00000000, 0x00ffffff }, +}; + + +typedef struct { + pixman_format_code_t format; + int width, height; + int stride; + uint32_t src[SIZE]; + uint32_t dst[SIZE]; + pixman_indexed_t *indexed; +} testcase_t; + +static testcase_t testcases[] = +{ + { + PIXMAN_a8r8g8b8, + 2, 2, + 8, + { 0x00112233, 0x44556677, + 0x8899aabb, 0xccddeeff }, + { 0x00112233, 0x44556677, + 0x8899aabb, 0xccddeeff }, + NULL, + }, + { + PIXMAN_r8g8b8a8, + 2, 2, + 8, + { 0x11223300, 0x55667744, + 0x99aabb88, 0xddeeffcc }, + { 0x00112233, 0x44556677, + 0x8899aabb, 0xccddeeff }, + NULL, + }, + { + PIXMAN_g1, + 8, 2, + 4, +#ifdef WORDS_BIGENDIAN + { + 0xaa000000, + 0x55000000 + }, +#else + { + 0x00000055, + 0x000000aa + }, +#endif + { + 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, + 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff, 0x00000000, 0x00ffffff + }, + &mono_palette, + }, +#if 0 + { + PIXMAN_g8, + 4, 2, + 4, + { 0x01234567, + 0x89abcdef }, + { 0x00010101, 0x00232323, 0x00454545, 0x00676767, + 0x00898989, 0x00ababab, 0x00cdcdcd, 0x00efefef, }, + }, +#endif + /* FIXME: make this work on big endian */ + { + PIXMAN_yv12, + 8, 2, + 8, +#ifdef WORDS_BIGENDIAN + { + 0x00ff00ff, 0x00ff00ff, + 0xff00ff00, 0xff00ff00, + 0x80ff8000, + 0x800080ff + }, +#else + { + 0xff00ff00, 0xff00ff00, + 0x00ff00ff, 0x00ff00ff, + 0x0080ff80, + 0xff800080 + }, +#endif + { + 0xff000000, 0xffffffff, 0xffb80000, 0xffffe113, + 0xff000000, 0xffffffff, 0xff0023ee, 0xff4affff, + 0xffffffff, 0xff000000, 0xffffe113, 0xffb80000, + 0xffffffff, 0xff000000, 0xff4affff, 0xff0023ee, + }, + }, +}; + +int n_test_cases = ARRAY_LENGTH (testcases); + + +static uint32_t +reader (const void *src, int size) +{ + switch (size) + { + case 1: + return *(uint8_t *)src; + case 2: + return *(uint16_t *)src; + case 4: + return *(uint32_t *)src; + default: + assert(0); + return 0; /* silence MSVC */ + } +} + + +static void +writer (void *src, uint32_t value, int size) +{ + switch (size) + { + case 1: + *(uint8_t *)src = value; + break; + case 2: + *(uint16_t *)src = value; + break; + case 4: + *(uint32_t *)src = value; + break; + default: + assert(0); + } +} + + +int +main (int argc, char **argv) +{ + uint32_t dst[SIZE]; + pixman_image_t *src_img; + pixman_image_t *dst_img; + int i, j, x, y; + int ret = 0; + + for (i = 0; i < n_test_cases; ++i) + { + for (j = 0; j < 2; ++j) + { + src_img = pixman_image_create_bits (testcases[i].format, + testcases[i].width, + testcases[i].height, + testcases[i].src, + testcases[i].stride); + pixman_image_set_indexed(src_img, testcases[i].indexed); + + dst_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, + testcases[i].width, + testcases[i].height, + dst, + testcases[i].width*4); + + if (j) + { + pixman_image_set_accessors (src_img, reader, writer); + pixman_image_set_accessors (dst_img, reader, writer); + } + + pixman_image_composite (PIXMAN_OP_SRC, src_img, NULL, dst_img, + 0, 0, 0, 0, 0, 0, testcases[i].width, testcases[i].height); + + pixman_image_unref (src_img); + pixman_image_unref (dst_img); + + for (y = 0; y < testcases[i].height; ++y) + { + for (x = 0; x < testcases[i].width; ++x) + { + int offset = y * testcases[i].width + x; + + if (dst[offset] != testcases[i].dst[offset]) + { + printf ("test %i%c: pixel mismatch at (x=%d,y=%d): %08x expected, %08x obtained\n", + i + 1, 'a' + j, + x, y, + testcases[i].dst[offset], dst[offset]); + ret = 1; + } + } + } + } + } + + return ret; +} diff --git a/src/pixman/test/fuzzer-find-diff.pl b/src/pixman/test/fuzzer-find-diff.pl new file mode 100755 index 0000000..e1d67fb --- /dev/null +++ b/src/pixman/test/fuzzer-find-diff.pl @@ -0,0 +1,75 @@ +#!/usr/bin/env perl + +$usage = "Usage: + fuzzer-find-diff.pl reference_binary new_binary [number_of_tests_to_run] + +The first two input arguments are the commands to run the test programs +based on fuzzer_test_main() function from 'util.c' (preferably they should +be statically compiled, this can be achieved via '--disable-shared' pixman +configure option). The third optional argument is the number of test rounds +to run (if not specified, then testing runs infinitely or until some problem +is detected). + +Usage examples: + fuzzer-find-diff.pl ./blitters-test-with-sse-disabled ./blitters-test 9000000 + fuzzer-find-diff.pl ./blitters-test \"ssh ppc64_host /path/to/blitters-test\" +"; + +$#ARGV >= 1 or die $usage; + +$batch_size = 10000; + +if ($#ARGV >= 2) { + $number_of_tests = int($ARGV[2]); +} else { + $number_of_tests = -1 +} + +sub test_range { + my $min = shift; + my $max = shift; + + # check that [$min, $max] range is "bad", otherwise return + if (`$ARGV[0] $min $max 2>/dev/null` eq `$ARGV[1] $min $max 2>/dev/null`) { + return; + } + + # check that $min itself is "good", otherwise return + if (`$ARGV[0] $min 2>/dev/null` ne `$ARGV[1] $min 2>/dev/null`) { + return $min; + } + + # start bisecting + while ($max != $min + 1) { + my $avg = int(($min + $max) / 2); + my $res1 = `$ARGV[0] $min $avg 2>/dev/null`; + my $res2 = `$ARGV[1] $min $avg 2>/dev/null`; + if ($res1 ne $res2) { + $max = $avg; + } else { + $min = $avg; + } + } + return $max; +} + +$base = 1; +while ($number_of_tests <= 0 || $base <= $number_of_tests) { + printf("testing %-12d\r", $base + $batch_size - 1); + my $res = test_range($base, $base + $batch_size - 1); + if ($res) { + printf("Failure: results are different for test %d:\n", $res); + + printf("\n-- ref --\n"); + print `$ARGV[0] $res`; + printf("-- new --\n"); + print `$ARGV[1] $res`; + + printf("The problematic conditions can be reproduced by running:\n"); + printf("$ARGV[1] %d\n", $res); + + exit(1); + } + $base += $batch_size; +} +printf("Success: %d tests finished\n", $base - 1); diff --git a/src/pixman/test/glyph-test.c b/src/pixman/test/glyph-test.c new file mode 100644 index 0000000..1811add --- /dev/null +++ b/src/pixman/test/glyph-test.c @@ -0,0 +1,332 @@ +#include <stdlib.h> +#include "utils.h" + +static const pixman_format_code_t glyph_formats[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_a8, + PIXMAN_a4, + PIXMAN_a1, + PIXMAN_x8r8g8b8, + PIXMAN_r3g3b2, + PIXMAN_null, +}; + +static const pixman_format_code_t formats[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_a8b8g8r8, + PIXMAN_x8r8g8b8, + PIXMAN_x8b8g8r8, + PIXMAN_r5g6b5, + PIXMAN_b5g6r5, + PIXMAN_a8, + PIXMAN_a1, + PIXMAN_r3g3b2, + PIXMAN_b8g8r8a8, + PIXMAN_b8g8r8x8, + PIXMAN_r8g8b8a8, + PIXMAN_r8g8b8x8, + PIXMAN_x14r6g6b6, + PIXMAN_r8g8b8, + PIXMAN_b8g8r8, +#if 0 + /* These use floating point */ + PIXMAN_x2r10g10b10, + PIXMAN_a2r10g10b10, + PIXMAN_x2b10g10r10, + PIXMAN_a2b10g10r10, +#endif + PIXMAN_a1r5g5b5, + PIXMAN_x1r5g5b5, + PIXMAN_a1b5g5r5, + PIXMAN_x1b5g5r5, + PIXMAN_a4r4g4b4, + PIXMAN_x4r4g4b4, + PIXMAN_a4b4g4r4, + PIXMAN_x4b4g4r4, + PIXMAN_r3g3b2, + PIXMAN_b2g3r3, + PIXMAN_a2r2g2b2, + PIXMAN_a2b2g2r2, + PIXMAN_x4a4, + PIXMAN_a4, + PIXMAN_r1g2b1, + PIXMAN_b1g2r1, + PIXMAN_a1r1g1b1, + PIXMAN_a1b1g1r1, + PIXMAN_null, +}; + +static const pixman_op_t operators[] = +{ + PIXMAN_OP_SRC, + PIXMAN_OP_OVER, + PIXMAN_OP_ADD, + PIXMAN_OP_CLEAR, + PIXMAN_OP_SRC, + PIXMAN_OP_DST, + PIXMAN_OP_OVER, + PIXMAN_OP_OVER_REVERSE, + PIXMAN_OP_IN, + PIXMAN_OP_IN_REVERSE, + PIXMAN_OP_OUT, + PIXMAN_OP_OUT_REVERSE, + PIXMAN_OP_ATOP, + PIXMAN_OP_ATOP_REVERSE, + PIXMAN_OP_XOR, + PIXMAN_OP_ADD +}; + +enum +{ + ALLOW_CLIPPED = (1 << 0), + ALLOW_ALPHA_MAP = (1 << 1), + ALLOW_SOURCE_CLIPPING = (1 << 2), + ALLOW_REPEAT = (1 << 3), + ALLOW_SOLID = (1 << 4), + ALLOW_FENCED_MEMORY = (1 << 5), +}; + +static void +destroy_fenced (pixman_image_t *image, void *data) +{ + fence_free (data); +} + +static void +destroy_malloced (pixman_image_t *image, void *data) +{ + free (data); +} + +static pixman_format_code_t +random_format (const pixman_format_code_t *formats) +{ + int i; + i = 0; + while (formats[i] != PIXMAN_null) + ++i; + return formats[prng_rand_n (i)]; +} + +static pixman_image_t * +create_image (int max_size, const pixman_format_code_t *formats, uint32_t flags) +{ + int width, height; + pixman_image_t *image; + pixman_format_code_t format; + uint32_t *data; + int bpp; + int stride; + int i; + pixman_image_destroy_func_t destroy; + + if ((flags & ALLOW_SOLID) && prng_rand_n (4) == 0) + { + pixman_color_t color; + + color.alpha = prng_rand(); + color.red = prng_rand(); + color.green = prng_rand(); + color.blue = prng_rand(); + + return pixman_image_create_solid_fill (&color); + } + + width = prng_rand_n (max_size) + 1; + height = prng_rand_n (max_size) + 1; + format = random_format (formats); + + bpp = PIXMAN_FORMAT_BPP (format); + stride = (width * bpp + 7) / 8 + prng_rand_n (17); + stride = (stride + 3) & ~3; + + if (prng_rand_n (64) == 0) + { + if (!(data = (uint32_t *)make_random_bytes (stride * height))) + { + fprintf (stderr, "Out of memory\n"); + abort (); + } + destroy = destroy_fenced; + } + else + { + data = malloc (stride * height); + prng_randmemset (data, height * stride, 0); + destroy = destroy_malloced; + } + + image = pixman_image_create_bits (format, width, height, data, stride); + pixman_image_set_destroy_function (image, destroy, data); + + if ((flags & ALLOW_CLIPPED) && prng_rand_n (8) == 0) + { + pixman_box16_t clip_boxes[8]; + pixman_region16_t clip; + int n = prng_rand_n (8) + 1; + + for (i = 0; i < n; i++) + { + clip_boxes[i].x1 = prng_rand_n (width); + clip_boxes[i].y1 = prng_rand_n (height); + clip_boxes[i].x2 = + clip_boxes[i].x1 + prng_rand_n (width - clip_boxes[i].x1); + clip_boxes[i].y2 = + clip_boxes[i].y1 + prng_rand_n (height - clip_boxes[i].y1); + } + + pixman_region_init_rects (&clip, clip_boxes, n); + pixman_image_set_clip_region (image, &clip); + pixman_region_fini (&clip); + } + + if ((flags & ALLOW_SOURCE_CLIPPING) && prng_rand_n (4) == 0) + { + pixman_image_set_source_clipping (image, TRUE); + pixman_image_set_has_client_clip (image, TRUE); + } + + if ((flags & ALLOW_ALPHA_MAP) && prng_rand_n (16) == 0) + { + pixman_image_t *alpha_map; + int alpha_x, alpha_y; + + alpha_x = prng_rand_n (width); + alpha_y = prng_rand_n (height); + alpha_map = + create_image (max_size, formats, (flags & ~(ALLOW_ALPHA_MAP | ALLOW_SOLID))); + pixman_image_set_alpha_map (image, alpha_map, alpha_x, alpha_y); + pixman_image_unref (alpha_map); + } + + if ((flags & ALLOW_REPEAT) && prng_rand_n (2) == 0) + pixman_image_set_repeat (image, prng_rand_n (4)); + + image_endian_swap (image); + + return image; +} + +#define KEY1(p) ((void *)(((uintptr_t)p) ^ (0xa7e23dfaUL))) +#define KEY2(p) ((void *)(((uintptr_t)p) ^ (0xabcd9876UL))) + +#define MAX_GLYPHS 32 + +uint32_t +test_glyphs (int testnum, int verbose) +{ + pixman_image_t *glyph_images[MAX_GLYPHS]; + pixman_glyph_t glyphs[4 * MAX_GLYPHS]; + uint32_t crc32 = 0; + pixman_image_t *source, *dest; + int n_glyphs, i; + pixman_glyph_cache_t *cache; + + prng_srand (testnum); + + cache = pixman_glyph_cache_create (); + + source = create_image (300, formats, + ALLOW_CLIPPED | ALLOW_ALPHA_MAP | + ALLOW_SOURCE_CLIPPING | + ALLOW_REPEAT | ALLOW_SOLID); + + dest = create_image (128, formats, + ALLOW_CLIPPED | ALLOW_ALPHA_MAP | + ALLOW_SOURCE_CLIPPING); + + pixman_glyph_cache_freeze (cache); + + n_glyphs = prng_rand_n (MAX_GLYPHS); + for (i = 0; i < n_glyphs; ++i) + glyph_images[i] = create_image (32, glyph_formats, 0); + + for (i = 0; i < 4 * n_glyphs; ++i) + { + int g = prng_rand_n (n_glyphs); + pixman_image_t *glyph_img = glyph_images[g]; + void *key1 = KEY1 (glyph_img); + void *key2 = KEY2 (glyph_img); + const void *glyph; + + if (!(glyph = pixman_glyph_cache_lookup (cache, key1, key2))) + { + glyph = + pixman_glyph_cache_insert (cache, key1, key2, 5, 8, glyph_img); + } + + glyphs[i].glyph = glyph; + glyphs[i].x = prng_rand_n (128); + glyphs[i].y = prng_rand_n (128); + } + + if (prng_rand_n (2) == 0) + { + int src_x = prng_rand_n (300) - 150; + int src_y = prng_rand_n (300) - 150; + int mask_x = prng_rand_n (64) - 32; + int mask_y = prng_rand_n (64) - 32; + int dest_x = prng_rand_n (64) - 32; + int dest_y = prng_rand_n (64) - 32; + int width = prng_rand_n (64); + int height = prng_rand_n (64); + pixman_op_t op = operators[prng_rand_n (ARRAY_LENGTH (operators))]; + pixman_format_code_t format = random_format (glyph_formats); + + pixman_composite_glyphs ( + op, + source, dest, format, + src_x, src_y, + mask_x, mask_y, + dest_x, dest_y, + width, height, + cache, 4 * n_glyphs, glyphs); + } + else + { + pixman_op_t op = operators[prng_rand_n (ARRAY_LENGTH (operators))]; + int src_x = prng_rand_n (300) - 150; + int src_y = prng_rand_n (300) - 150; + int dest_x = prng_rand_n (64) - 32; + int dest_y = prng_rand_n (64) - 32; + + pixman_composite_glyphs_no_mask ( + op, source, dest, + src_x, src_y, + dest_x, dest_y, + cache, 4 * n_glyphs, glyphs); + } + + pixman_glyph_cache_thaw (cache); + + for (i = 0; i < n_glyphs; ++i) + { + pixman_image_t *img = glyph_images[i]; + void *key1, *key2; + + key1 = KEY1 (img); + key2 = KEY2 (img); + + pixman_glyph_cache_remove (cache, key1, key2); + pixman_image_unref (glyph_images[i]); + } + + crc32 = compute_crc32_for_image (0, dest); + + pixman_image_unref (source); + pixman_image_unref (dest); + + pixman_glyph_cache_destroy (cache); + + return crc32; +} + +int +main (int argc, const char *argv[]) +{ + return fuzzer_test_main ("glyph", 30000, + 0xFA478A79, + test_glyphs, argc, argv); +} diff --git a/src/pixman/test/gradient-crash-test.c b/src/pixman/test/gradient-crash-test.c new file mode 100644 index 0000000..962d1cb --- /dev/null +++ b/src/pixman/test/gradient-crash-test.c @@ -0,0 +1,158 @@ +#include <stdio.h> +#include <stdlib.h> +#include "utils.h" + +int +main (int argc, char **argv) +{ +#define WIDTH 400 +#define HEIGHT 200 + + uint32_t *dest = malloc (WIDTH * HEIGHT * 4); + pixman_image_t *src_img; + pixman_image_t *dest_img; + int i, j, k, p; + + typedef struct + { + pixman_point_fixed_t p0; + pixman_point_fixed_t p1; + } point_pair_t; + + pixman_gradient_stop_t onestop[1] = + { + { pixman_int_to_fixed (1), { 0xffff, 0xeeee, 0xeeee, 0xeeee } }, + }; + + pixman_gradient_stop_t subsetstops[2] = + { + { pixman_int_to_fixed (1), { 0xffff, 0xeeee, 0xeeee, 0xeeee } }, + { pixman_int_to_fixed (1), { 0xffff, 0xeeee, 0xeeee, 0xeeee } }, + }; + + pixman_gradient_stop_t stops01[2] = + { + { pixman_int_to_fixed (0), { 0xffff, 0xeeee, 0xeeee, 0xeeee } }, + { pixman_int_to_fixed (1), { 0xffff, 0x1111, 0x1111, 0x1111 } } + }; + + point_pair_t point_pairs [] = + { { { pixman_double_to_fixed (0), 0 }, + { pixman_double_to_fixed (WIDTH / 8.), pixman_int_to_fixed (0) } }, + { { pixman_double_to_fixed (WIDTH / 2.0), pixman_double_to_fixed (HEIGHT / 2.0) }, + { pixman_double_to_fixed (WIDTH / 2.0), pixman_double_to_fixed (HEIGHT / 2.0) } } + }; + + pixman_transform_t transformations[] = { + { + { { pixman_double_to_fixed (2), pixman_double_to_fixed (0.5), pixman_double_to_fixed (-100), }, + { pixman_double_to_fixed (0), pixman_double_to_fixed (3), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (0), pixman_double_to_fixed (0.000), pixman_double_to_fixed (1.0) } + } + }, + { + { { pixman_double_to_fixed (1), pixman_double_to_fixed (0), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (0), pixman_double_to_fixed (1), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (0), pixman_double_to_fixed (0.000), pixman_double_to_fixed (1.0) } + } + }, + { + { { pixman_double_to_fixed (2), pixman_double_to_fixed (1), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (1), pixman_double_to_fixed (1), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (2), pixman_double_to_fixed (1.000), pixman_double_to_fixed (1.0) } + } + }, + { + { { pixman_double_to_fixed (2), pixman_double_to_fixed (1), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (1), pixman_double_to_fixed (1), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (0), pixman_double_to_fixed (0), pixman_double_to_fixed (0) } + } + }, + { + { { pixman_double_to_fixed (2), pixman_double_to_fixed (1), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (1), pixman_double_to_fixed (1), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (2), pixman_double_to_fixed (-1), pixman_double_to_fixed (0) } + } + }, + { + { { pixman_double_to_fixed (2), pixman_double_to_fixed (1), pixman_double_to_fixed (3), }, + { pixman_double_to_fixed (1), pixman_double_to_fixed (1), pixman_double_to_fixed (0), }, + { pixman_double_to_fixed (2), pixman_double_to_fixed (-1), pixman_double_to_fixed (0) } + } + }, + }; + + pixman_fixed_t r_inner; + pixman_fixed_t r_outer; + + enable_divbyzero_exceptions(); + + for (i = 0; i < WIDTH * HEIGHT; ++i) + dest[i] = 0x4f00004f; /* pale blue */ + + dest_img = pixman_image_create_bits (PIXMAN_a8r8g8b8, + WIDTH, HEIGHT, + dest, + WIDTH * 4); + + r_inner = 0; + r_outer = pixman_double_to_fixed (50.0); + + for (i = 0; i < 3; ++i) + { + pixman_gradient_stop_t *stops; + int num_stops; + + if (i == 0) + { + stops = onestop; + num_stops = ARRAY_LENGTH (onestop); + } + else if (i == 1) + { + stops = subsetstops; + num_stops = ARRAY_LENGTH (subsetstops); + } + else + { + stops = stops01; + num_stops = ARRAY_LENGTH (stops01); + } + + for (j = 0; j < 3; ++j) + { + for (p = 0; p < ARRAY_LENGTH (point_pairs); ++p) + { + point_pair_t *pair = &(point_pairs[p]); + + if (j == 0) + src_img = pixman_image_create_conical_gradient (&(pair->p0), r_inner, + stops, num_stops); + else if (j == 1) + src_img = pixman_image_create_radial_gradient (&(pair->p0), &(pair->p1), + r_inner, r_outer, + stops, num_stops); + else + src_img = pixman_image_create_linear_gradient (&(pair->p0), &(pair->p1), + stops, num_stops); + + for (k = 0; k < ARRAY_LENGTH (transformations); ++k) + { + pixman_image_set_transform (src_img, &transformations[k]); + + pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NONE); + pixman_image_composite (PIXMAN_OP_OVER, src_img, NULL, dest_img, + 0, 0, 0, 0, 0, 0, 10 * WIDTH, HEIGHT); + } + + pixman_image_unref (src_img); + } + + } + } + + pixman_image_unref (dest_img); + free (dest); + + return 0; +} diff --git a/src/pixman/test/infinite-loop.c b/src/pixman/test/infinite-loop.c new file mode 100644 index 0000000..02addaa --- /dev/null +++ b/src/pixman/test/infinite-loop.c @@ -0,0 +1,39 @@ +#include <assert.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "utils.h" + +int +main (int argc, char **argv) +{ +#define SRC_WIDTH 16 +#define SRC_HEIGHT 12 +#define DST_WIDTH 7 +#define DST_HEIGHT 2 + + static const pixman_transform_t transform = { + { { 0x200017bd, 0x00000000, 0x000e6465 }, + { 0x00000000, 0x000a42fd, 0x000e6465 }, + { 0x00000000, 0x00000000, 0x00010000 }, + } + }; + pixman_image_t *src, *dest; + + src = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, SRC_WIDTH, SRC_HEIGHT, NULL, -1); + dest = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, DST_WIDTH, DST_HEIGHT, NULL, -1); + + pixman_image_set_transform (src, &transform); + pixman_image_set_repeat (src, PIXMAN_REPEAT_NORMAL); + pixman_image_set_filter (src, PIXMAN_FILTER_BILINEAR, NULL, 0); + + if (argc == 1 || strcmp (argv[1], "-nf") != 0) + fail_after (1, "infinite loop detected"); + + pixman_image_composite ( + PIXMAN_OP_OVER, src, NULL, dest, -3, -3, 0, 0, 0, 0, 6, 2); + + return 0; +} diff --git a/src/pixman/test/lowlevel-blt-bench.c b/src/pixman/test/lowlevel-blt-bench.c new file mode 100644 index 0000000..1049e21 --- /dev/null +++ b/src/pixman/test/lowlevel-blt-bench.c @@ -0,0 +1,820 @@ +/* + * Copyright © 2009 Nokia Corporation + * Copyright © 2010 Movial Creative Technologies Oy + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include "utils.h" + +#define SOLID_FLAG 1 +#define CA_FLAG 2 + +#define L1CACHE_SIZE (8 * 1024) +#define L2CACHE_SIZE (128 * 1024) + +/* This is applied to both L1 and L2 tests - alternatively, you could + * parameterise bench_L or split it into two functions. It could be + * read at runtime on some architectures, but it only really matters + * that it's a number that's an integer divisor of both cacheline + * lengths, and further, it only really matters for caches that don't + * do allocate0on-write. */ +#define CACHELINE_LENGTH (32) /* bytes */ + +#define WIDTH 1920 +#define HEIGHT 1080 +#define BUFSIZE (WIDTH * HEIGHT * 4) +#define XWIDTH 256 +#define XHEIGHT 256 +#define TILEWIDTH 32 +#define TINYWIDTH 8 + +#define EXCLUDE_OVERHEAD 1 + +uint32_t *dst; +uint32_t *src; +uint32_t *mask; + +double bandwidth = 0; + +double +bench_memcpy () +{ + int64_t n = 0, total; + double t1, t2; + int x = 0; + + t1 = gettime (); + while (1) + { + memcpy (dst, src, BUFSIZE - 64); + memcpy (src, dst, BUFSIZE - 64); + n += 4 * (BUFSIZE - 64); + t2 = gettime (); + if (t2 - t1 > 0.5) + break; + } + n = total = n * 5; + t1 = gettime (); + while (n > 0) + { + if (++x >= 64) + x = 0; + memcpy ((char *)dst + 1, (char *)src + x, BUFSIZE - 64); + memcpy ((char *)src + 1, (char *)dst + x, BUFSIZE - 64); + n -= 4 * (BUFSIZE - 64); + } + t2 = gettime (); + return (double)total / (t2 - t1); +} + +static pixman_bool_t use_scaling = FALSE; +static pixman_filter_t filter = PIXMAN_FILTER_NEAREST; + +/* nearly 1x scale factor */ +static pixman_transform_t m = +{ + { + { pixman_fixed_1 + 1, 0, 0 }, + { 0, pixman_fixed_1, 0 }, + { 0, 0, pixman_fixed_1 } + } +}; + +static void +pixman_image_composite_wrapper (pixman_implementation_t *impl, + pixman_composite_info_t *info) +{ + if (use_scaling) + { + pixman_image_set_filter (info->src_image, filter, NULL, 0); + pixman_image_set_transform(info->src_image, &m); + } + pixman_image_composite (info->op, + info->src_image, info->mask_image, info->dest_image, + info->src_x, info->src_y, + info->mask_x, info->mask_y, + info->dest_x, info->dest_y, + info->width, info->height); +} + +static void +pixman_image_composite_empty (pixman_implementation_t *impl, + pixman_composite_info_t *info) +{ + if (use_scaling) + { + pixman_image_set_filter (info->src_image, filter, NULL, 0); + pixman_image_set_transform(info->src_image, &m); + } + pixman_image_composite (info->op, + info->src_image, info->mask_image, info->dest_image, + 0, 0, 0, 0, 0, 0, 1, 1); +} + +static inline void +call_func (pixman_composite_func_t func, + pixman_op_t op, + pixman_image_t * src_image, + pixman_image_t * mask_image, + pixman_image_t * dest_image, + int32_t src_x, + int32_t src_y, + int32_t mask_x, + int32_t mask_y, + int32_t dest_x, + int32_t dest_y, + int32_t width, + int32_t height) +{ + pixman_composite_info_t info; + + info.op = op; + info.src_image = src_image; + info.mask_image = mask_image; + info.dest_image = dest_image; + info.src_x = src_x; + info.src_y = src_y; + info.mask_x = mask_x; + info.mask_y = mask_y; + info.dest_x = dest_x; + info.dest_y = dest_y; + info.width = width; + info.height = height; + + func (0, &info); +} + +void +noinline +bench_L (pixman_op_t op, + pixman_image_t * src_img, + pixman_image_t * mask_img, + pixman_image_t * dst_img, + int64_t n, + pixman_composite_func_t func, + int width, + int lines_count) +{ + int64_t i, j, k; + int x = 0; + int q = 0; + volatile int qx; + + for (i = 0; i < n; i++) + { + /* For caches without allocate-on-write, we need to force the + * destination buffer back into the cache on each iteration, + * otherwise if they are evicted during the test, they remain + * uncached. This doesn't matter for tests which read the + * destination buffer, or for caches that do allocate-on-write, + * but in those cases this loop just adds constant time, which + * should be successfully cancelled out. + */ + for (j = 0; j < lines_count; j++) + { + for (k = 0; k < width + 62; k += CACHELINE_LENGTH / sizeof *dst) + { + q += dst[j * WIDTH + k]; + } + q += dst[j * WIDTH + width + 62]; + } + if (++x >= 64) + x = 0; + call_func (func, op, src_img, mask_img, dst_img, x, 0, x, 0, 63 - x, 0, width, lines_count); + } + qx = q; +} + +void +noinline +bench_M (pixman_op_t op, + pixman_image_t * src_img, + pixman_image_t * mask_img, + pixman_image_t * dst_img, + int64_t n, + pixman_composite_func_t func) +{ + int64_t i; + int x = 0; + + for (i = 0; i < n; i++) + { + if (++x >= 64) + x = 0; + call_func (func, op, src_img, mask_img, dst_img, x, 0, x, 0, 1, 0, WIDTH - 64, HEIGHT); + } +} + +double +noinline +bench_HT (pixman_op_t op, + pixman_image_t * src_img, + pixman_image_t * mask_img, + pixman_image_t * dst_img, + int64_t n, + pixman_composite_func_t func) +{ + double pix_cnt = 0; + int x = 0; + int y = 0; + int64_t i; + + srand (0); + for (i = 0; i < n; i++) + { + int w = (rand () % (TILEWIDTH * 2)) + 1; + int h = (rand () % (TILEWIDTH * 2)) + 1; + if (x + w > WIDTH) + { + x = 0; + y += TILEWIDTH * 2; + } + if (y + h > HEIGHT) + { + y = 0; + } + call_func (func, op, src_img, mask_img, dst_img, x, y, x, y, x, y, w, h); + x += w; + pix_cnt += w * h; + } + return pix_cnt; +} + +double +noinline +bench_VT (pixman_op_t op, + pixman_image_t * src_img, + pixman_image_t * mask_img, + pixman_image_t * dst_img, + int64_t n, + pixman_composite_func_t func) +{ + double pix_cnt = 0; + int x = 0; + int y = 0; + int64_t i; + + srand (0); + for (i = 0; i < n; i++) + { + int w = (rand () % (TILEWIDTH * 2)) + 1; + int h = (rand () % (TILEWIDTH * 2)) + 1; + if (y + h > HEIGHT) + { + y = 0; + x += TILEWIDTH * 2; + } + if (x + w > WIDTH) + { + x = 0; + } + call_func (func, op, src_img, mask_img, dst_img, x, y, x, y, x, y, w, h); + y += h; + pix_cnt += w * h; + } + return pix_cnt; +} + +double +noinline +bench_R (pixman_op_t op, + pixman_image_t * src_img, + pixman_image_t * mask_img, + pixman_image_t * dst_img, + int64_t n, + pixman_composite_func_t func, + int maxw, + int maxh) +{ + double pix_cnt = 0; + int64_t i; + + if (maxw <= TILEWIDTH * 2 || maxh <= TILEWIDTH * 2) + { + printf("error: maxw <= TILEWIDTH * 2 || maxh <= TILEWIDTH * 2\n"); + return 0; + } + + srand (0); + for (i = 0; i < n; i++) + { + int w = (rand () % (TILEWIDTH * 2)) + 1; + int h = (rand () % (TILEWIDTH * 2)) + 1; + int sx = rand () % (maxw - TILEWIDTH * 2); + int sy = rand () % (maxh - TILEWIDTH * 2); + int dx = rand () % (maxw - TILEWIDTH * 2); + int dy = rand () % (maxh - TILEWIDTH * 2); + call_func (func, op, src_img, mask_img, dst_img, sx, sy, sx, sy, dx, dy, w, h); + pix_cnt += w * h; + } + return pix_cnt; +} + +double +noinline +bench_RT (pixman_op_t op, + pixman_image_t * src_img, + pixman_image_t * mask_img, + pixman_image_t * dst_img, + int64_t n, + pixman_composite_func_t func, + int maxw, + int maxh) +{ + double pix_cnt = 0; + int64_t i; + + if (maxw <= TINYWIDTH * 2 || maxh <= TINYWIDTH * 2) + { + printf("error: maxw <= TINYWIDTH * 2 || maxh <= TINYWIDTH * 2\n"); + return 0; + } + + srand (0); + for (i = 0; i < n; i++) + { + int w = (rand () % (TINYWIDTH * 2)) + 1; + int h = (rand () % (TINYWIDTH * 2)) + 1; + int sx = rand () % (maxw - TINYWIDTH * 2); + int sy = rand () % (maxh - TINYWIDTH * 2); + int dx = rand () % (maxw - TINYWIDTH * 2); + int dy = rand () % (maxh - TINYWIDTH * 2); + call_func (func, op, src_img, mask_img, dst_img, sx, sy, sx, sy, dx, dy, w, h); + pix_cnt += w * h; + } + return pix_cnt; +} + +void +bench_composite (char * testname, + int src_fmt, + int src_flags, + int op, + int mask_fmt, + int mask_flags, + int dst_fmt, + double npix) +{ + pixman_image_t * src_img; + pixman_image_t * dst_img; + pixman_image_t * mask_img; + pixman_image_t * xsrc_img; + pixman_image_t * xdst_img; + pixman_image_t * xmask_img; + double t1, t2, t3, pix_cnt; + int64_t n, l1test_width, nlines; + double bytes_per_pix = 0; + pixman_bool_t bench_pixbuf = FALSE; + + pixman_composite_func_t func = pixman_image_composite_wrapper; + + if (!(src_flags & SOLID_FLAG)) + { + bytes_per_pix += (src_fmt >> 24) / 8.0; + src_img = pixman_image_create_bits (src_fmt, + WIDTH, HEIGHT, + src, + WIDTH * 4); + xsrc_img = pixman_image_create_bits (src_fmt, + XWIDTH, XHEIGHT, + src, + XWIDTH * 4); + } + else + { + src_img = pixman_image_create_bits (src_fmt, + 1, 1, + src, + 4); + xsrc_img = pixman_image_create_bits (src_fmt, + 1, 1, + src, + 4); + pixman_image_set_repeat (src_img, PIXMAN_REPEAT_NORMAL); + pixman_image_set_repeat (xsrc_img, PIXMAN_REPEAT_NORMAL); + } + + bytes_per_pix += (dst_fmt >> 24) / 8.0; + dst_img = pixman_image_create_bits (dst_fmt, + WIDTH, HEIGHT, + dst, + WIDTH * 4); + + mask_img = NULL; + xmask_img = NULL; + if (strcmp (testname, "pixbuf") == 0 || strcmp (testname, "rpixbuf") == 0) + { + bench_pixbuf = TRUE; + } + if (!(mask_flags & SOLID_FLAG) && mask_fmt != PIXMAN_null) + { + bytes_per_pix += (mask_fmt >> 24) / ((op == PIXMAN_OP_SRC) ? 8.0 : 4.0); + mask_img = pixman_image_create_bits (mask_fmt, + WIDTH, HEIGHT, + bench_pixbuf ? src : mask, + WIDTH * 4); + xmask_img = pixman_image_create_bits (mask_fmt, + XWIDTH, XHEIGHT, + bench_pixbuf ? src : mask, + XWIDTH * 4); + } + else if (mask_fmt != PIXMAN_null) + { + mask_img = pixman_image_create_bits (mask_fmt, + 1, 1, + mask, + 4); + xmask_img = pixman_image_create_bits (mask_fmt, + 1, 1, + mask, + 4 * 4); + pixman_image_set_repeat (mask_img, PIXMAN_REPEAT_NORMAL); + pixman_image_set_repeat (xmask_img, PIXMAN_REPEAT_NORMAL); + } + if ((mask_flags & CA_FLAG) && mask_fmt != PIXMAN_null) + { + pixman_image_set_component_alpha (mask_img, 1); + } + xdst_img = pixman_image_create_bits (dst_fmt, + XWIDTH, XHEIGHT, + dst, + XWIDTH * 4); + + + printf ("%24s %c", testname, func != pixman_image_composite_wrapper ? + '-' : '='); + + memcpy (dst, src, BUFSIZE); + memcpy (src, dst, BUFSIZE); + + l1test_width = L1CACHE_SIZE / 8 - 64; + if (l1test_width < 1) + l1test_width = 1; + if (l1test_width > WIDTH - 64) + l1test_width = WIDTH - 64; + n = 1 + npix / (l1test_width * 8); + t1 = gettime (); +#if EXCLUDE_OVERHEAD + bench_L (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty, l1test_width, 1); +#endif + t2 = gettime (); + bench_L (op, src_img, mask_img, dst_img, n, func, l1test_width, 1); + t3 = gettime (); + printf (" L1:%7.2f", (double)n * l1test_width * 1 / + ((t3 - t2) - (t2 - t1)) / 1000000.); + fflush (stdout); + + memcpy (dst, src, BUFSIZE); + memcpy (src, dst, BUFSIZE); + + nlines = (L2CACHE_SIZE / l1test_width) / + ((PIXMAN_FORMAT_BPP(src_fmt) + PIXMAN_FORMAT_BPP(dst_fmt)) / 8); + if (nlines < 1) + nlines = 1; + n = 1 + npix / (l1test_width * nlines); + t1 = gettime (); +#if EXCLUDE_OVERHEAD + bench_L (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty, l1test_width, nlines); +#endif + t2 = gettime (); + bench_L (op, src_img, mask_img, dst_img, n, func, l1test_width, nlines); + t3 = gettime (); + printf (" L2:%7.2f", (double)n * l1test_width * nlines / + ((t3 - t2) - (t2 - t1)) / 1000000.); + fflush (stdout); + + memcpy (dst, src, BUFSIZE); + memcpy (src, dst, BUFSIZE); + + n = 1 + npix / (WIDTH * HEIGHT); + t1 = gettime (); +#if EXCLUDE_OVERHEAD + bench_M (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty); +#endif + t2 = gettime (); + bench_M (op, src_img, mask_img, dst_img, n, func); + t3 = gettime (); + printf (" M:%6.2f (%6.2f%%)", + ((double)n * (WIDTH - 64) * HEIGHT / ((t3 - t2) - (t2 - t1))) / 1000000., + ((double)n * (WIDTH - 64) * HEIGHT / ((t3 - t2) - (t2 - t1)) * bytes_per_pix) * (100.0 / bandwidth) ); + fflush (stdout); + + memcpy (dst, src, BUFSIZE); + memcpy (src, dst, BUFSIZE); + + n = 1 + npix / (8 * TILEWIDTH * TILEWIDTH); + t1 = gettime (); +#if EXCLUDE_OVERHEAD + pix_cnt = bench_HT (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty); +#endif + t2 = gettime (); + pix_cnt = bench_HT (op, src_img, mask_img, dst_img, n, func); + t3 = gettime (); + printf (" HT:%6.2f", (double)pix_cnt / ((t3 - t2) - (t2 - t1)) / 1000000.); + fflush (stdout); + + memcpy (dst, src, BUFSIZE); + memcpy (src, dst, BUFSIZE); + + n = 1 + npix / (8 * TILEWIDTH * TILEWIDTH); + t1 = gettime (); +#if EXCLUDE_OVERHEAD + pix_cnt = bench_VT (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty); +#endif + t2 = gettime (); + pix_cnt = bench_VT (op, src_img, mask_img, dst_img, n, func); + t3 = gettime (); + printf (" VT:%6.2f", (double)pix_cnt / ((t3 - t2) - (t2 - t1)) / 1000000.); + fflush (stdout); + + memcpy (dst, src, BUFSIZE); + memcpy (src, dst, BUFSIZE); + + n = 1 + npix / (8 * TILEWIDTH * TILEWIDTH); + t1 = gettime (); +#if EXCLUDE_OVERHEAD + pix_cnt = bench_R (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty, WIDTH, HEIGHT); +#endif + t2 = gettime (); + pix_cnt = bench_R (op, src_img, mask_img, dst_img, n, func, WIDTH, HEIGHT); + t3 = gettime (); + printf (" R:%6.2f", (double)pix_cnt / ((t3 - t2) - (t2 - t1)) / 1000000.); + fflush (stdout); + + memcpy (dst, src, BUFSIZE); + memcpy (src, dst, BUFSIZE); + + n = 1 + npix / (16 * TINYWIDTH * TINYWIDTH); + t1 = gettime (); +#if EXCLUDE_OVERHEAD + pix_cnt = bench_RT (op, src_img, mask_img, dst_img, n, pixman_image_composite_empty, WIDTH, HEIGHT); +#endif + t2 = gettime (); + pix_cnt = bench_RT (op, src_img, mask_img, dst_img, n, func, WIDTH, HEIGHT); + t3 = gettime (); + printf (" RT:%6.2f (%4.0fKops/s)\n", (double)pix_cnt / ((t3 - t2) - (t2 - t1)) / 1000000., (double) n / ((t3 - t2) * 1000)); + + if (mask_img) { + pixman_image_unref (mask_img); + pixman_image_unref (xmask_img); + } + pixman_image_unref (src_img); + pixman_image_unref (dst_img); + pixman_image_unref (xsrc_img); + pixman_image_unref (xdst_img); +} + +#define PIXMAN_OP_OUT_REV (PIXMAN_OP_OUT_REVERSE) + +struct +{ + char *testname; + int src_fmt; + int src_flags; + int op; + int mask_fmt; + int mask_flags; + int dst_fmt; +} +tests_tbl[] = +{ + { "add_8_8_8", PIXMAN_a8, 0, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_a8 }, + { "add_n_8_8", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_a8 }, + { "add_n_8_8888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_a8r8g8b8 }, + { "add_n_8_x888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_x8r8g8b8 }, + { "add_n_8_0565", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "add_n_8_1555", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_a1r5g5b5 }, + { "add_n_8_4444", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_a4r4g4b4 }, + { "add_n_8_2222", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_a2r2g2b2 }, + { "add_n_8_2x10", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_x2r10g10b10 }, + { "add_n_8_2a10", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_a8, 0, PIXMAN_a2r10g10b10 }, + { "add_n_8", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a8 }, + { "add_n_8888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "add_n_x888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_x8r8g8b8 }, + { "add_n_0565", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "add_n_1555", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a1r5g5b5 }, + { "add_n_4444", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a4r4g4b4 }, + { "add_n_2222", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a2r2g2b2 }, + { "add_n_2x10", PIXMAN_a2r10g10b10, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_x2r10g10b10 }, + { "add_n_2a10", PIXMAN_a2r10g10b10, 1, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a2r10g10b10 }, + { "add_8_8", PIXMAN_a8, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a8 }, + { "add_x888_x888", PIXMAN_x8r8g8b8, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_x8r8g8b8 }, + { "add_8888_8888", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "add_8888_0565", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "add_8888_1555", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a1r5g5b5 }, + { "add_8888_4444", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a4r4g4b4 }, + { "add_8888_2222", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a2r2g2b2 }, + { "add_0565_0565", PIXMAN_r5g6b5, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "add_1555_1555", PIXMAN_a1r5g5b5, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a1r5g5b5 }, + { "add_0565_2x10", PIXMAN_r5g6b5, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_x2r10g10b10 }, + { "add_2a10_2a10", PIXMAN_a2r10g10b10, 0, PIXMAN_OP_ADD, PIXMAN_null, 0, PIXMAN_a2r10g10b10 }, + { "in_n_8_8", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_IN, PIXMAN_a8, 0, PIXMAN_a8 }, + { "in_8_8", PIXMAN_a8, 0, PIXMAN_OP_IN, PIXMAN_null, 0, PIXMAN_a8 }, + { "src_n_2222", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a2r2g2b2 }, + { "src_n_0565", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "src_n_1555", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a1r5g5b5 }, + { "src_n_4444", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a4r4g4b4 }, + { "src_n_x888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_x8r8g8b8 }, + { "src_n_8888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "src_n_2x10", PIXMAN_a2r10g10b10, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_x2r10g10b10 }, + { "src_n_2a10", PIXMAN_a2r10g10b10, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a2r10g10b10 }, + { "src_8888_0565", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "src_0565_8888", PIXMAN_r5g6b5, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "src_8888_4444", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a4r4g4b4 }, + { "src_8888_2222", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a2r2g2b2 }, + { "src_8888_2x10", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_x2r10g10b10 }, + { "src_8888_2a10", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a2r10g10b10 }, + { "src_0888_0565", PIXMAN_r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "src_0888_8888", PIXMAN_r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "src_0888_x888", PIXMAN_r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_x8r8g8b8 }, + { "src_0888_8888_rev", PIXMAN_b8g8r8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_x8r8g8b8 }, + { "src_0888_0565_rev", PIXMAN_b8g8r8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "src_x888_x888", PIXMAN_x8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_x8r8g8b8 }, + { "src_x888_8888", PIXMAN_x8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "src_8888_8888", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "src_0565_0565", PIXMAN_r5g6b5, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "src_1555_0565", PIXMAN_a1r5g5b5, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "src_0565_1555", PIXMAN_r5g6b5, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a1r5g5b5 }, + { "src_8_8", PIXMAN_a8, 0, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a8 }, + { "src_n_8", PIXMAN_a8, 1, PIXMAN_OP_SRC, PIXMAN_null, 0, PIXMAN_a8 }, + { "src_n_8_0565", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "src_n_8_1555", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_a1r5g5b5 }, + { "src_n_8_4444", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_a4r4g4b4 }, + { "src_n_8_2222", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_a2r2g2b2 }, + { "src_n_8_x888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_x8r8g8b8 }, + { "src_n_8_8888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_a8r8g8b8 }, + { "src_n_8_2x10", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_x2r10g10b10 }, + { "src_n_8_2a10", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_a2r10g10b10 }, + { "src_8888_8_0565", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "src_0888_8_0565", PIXMAN_r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "src_0888_8_8888", PIXMAN_r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_a8r8g8b8 }, + { "src_0888_8_x888", PIXMAN_r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_x8r8g8b8 }, + { "src_x888_8_x888", PIXMAN_x8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_x8r8g8b8 }, + { "src_x888_8_8888", PIXMAN_x8r8g8b8, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_a8r8g8b8 }, + { "src_0565_8_0565", PIXMAN_r5g6b5, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "src_1555_8_0565", PIXMAN_a1r5g5b5, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "src_0565_8_1555", PIXMAN_r5g6b5, 0, PIXMAN_OP_SRC, PIXMAN_a8, 0, PIXMAN_a1r5g5b5 }, + { "over_n_x888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_null, 0, PIXMAN_x8r8g8b8 }, + { "over_n_8888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "over_n_0565", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "over_n_1555", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_null, 0, PIXMAN_a1r5g5b5 }, + { "over_8888_0565", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_null, 0, PIXMAN_r5g6b5 }, + { "over_8888_8888", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "over_8888_x888", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_null, 0, PIXMAN_x8r8g8b8 }, + { "over_x888_8_0565", PIXMAN_x8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "over_x888_8_8888", PIXMAN_x8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_a8r8g8b8 }, + { "over_n_8_0565", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "over_n_8_1555", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_a1r5g5b5 }, + { "over_n_8_4444", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_a4r4g4b4 }, + { "over_n_8_2222", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_a2r2g2b2 }, + { "over_n_8_x888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_x8r8g8b8 }, + { "over_n_8_8888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_a8r8g8b8 }, + { "over_n_8_2x10", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_x2r10g10b10 }, + { "over_n_8_2a10", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8, 0, PIXMAN_a2r10g10b10 }, + { "over_n_8888_8888_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, 2, PIXMAN_a8r8g8b8 }, + { "over_n_8888_x888_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, 2, PIXMAN_x8r8g8b8 }, + { "over_n_8888_0565_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, 2, PIXMAN_r5g6b5 }, + { "over_n_8888_1555_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, 2, PIXMAN_a1r5g5b5 }, + { "over_n_8888_4444_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, 2, PIXMAN_a4r4g4b4 }, + { "over_n_8888_2222_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, 2, PIXMAN_a2r2g2b2 }, + { "over_n_8888_2x10_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, 2, PIXMAN_x2r10g10b10 }, + { "over_n_8888_2a10_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OVER, PIXMAN_a8r8g8b8, 2, PIXMAN_a2r10g10b10 }, + { "over_8888_n_8888", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_a8, 1, PIXMAN_a8r8g8b8 }, + { "over_8888_n_x888", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_a8, 1, PIXMAN_x8r8g8b8 }, + { "over_8888_n_0565", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_a8, 1, PIXMAN_r5g6b5 }, + { "over_8888_n_1555", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_a8, 1, PIXMAN_a1r5g5b5 }, + { "over_x888_n_8888", PIXMAN_x8r8g8b8, 0, PIXMAN_OP_OVER, PIXMAN_a8, 1, PIXMAN_a8r8g8b8 }, + { "outrev_n_8_0565", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OUT_REV, PIXMAN_a8, 0, PIXMAN_r5g6b5 }, + { "outrev_n_8_1555", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OUT_REV, PIXMAN_a8, 0, PIXMAN_a1r5g5b5 }, + { "outrev_n_8_x888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OUT_REV, PIXMAN_a8, 0, PIXMAN_x8r8g8b8 }, + { "outrev_n_8_8888", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OUT_REV, PIXMAN_a8, 0, PIXMAN_a8r8g8b8 }, + { "outrev_n_8888_0565_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_r5g6b5 }, + { "outrev_n_8888_1555_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_a1r5g5b5 }, + { "outrev_n_8888_x888_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_x8r8g8b8 }, + { "outrev_n_8888_8888_ca", PIXMAN_a8r8g8b8, 1, PIXMAN_OP_OUT_REV, PIXMAN_a8r8g8b8, 2, PIXMAN_a8r8g8b8 }, + { "over_reverse_n_8888", PIXMAN_a8r8g8b8, 0, PIXMAN_OP_OVER_REVERSE, PIXMAN_null, 0, PIXMAN_a8r8g8b8 }, + { "pixbuf", PIXMAN_x8b8g8r8, 0, PIXMAN_OP_SRC, PIXMAN_a8b8g8r8, 0, PIXMAN_a8r8g8b8 }, + { "rpixbuf", PIXMAN_x8b8g8r8, 0, PIXMAN_OP_SRC, PIXMAN_a8b8g8r8, 0, PIXMAN_a8b8g8r8 }, +}; + +int +main (int argc, char *argv[]) +{ + double x; + int i; + const char *pattern = NULL; + for (i = 1; i < argc; i++) + { + if (argv[i][0] == '-') + { + if (strchr (argv[i] + 1, 'b')) + { + use_scaling = TRUE; + filter = PIXMAN_FILTER_BILINEAR; + } + else if (strchr (argv[i] + 1, 'n')) + { + use_scaling = TRUE; + filter = PIXMAN_FILTER_NEAREST; + } + } + else + { + pattern = argv[i]; + } + } + + if (!pattern) + { + printf ("Usage: lowlevel-blt-bench [-b] [-n] pattern\n"); + printf (" -n : benchmark nearest scaling\n"); + printf (" -b : benchmark bilinear scaling\n"); + return 1; + } + + src = aligned_malloc (4096, BUFSIZE * 3); + memset (src, 0xCC, BUFSIZE * 3); + dst = src + (BUFSIZE / 4); + mask = dst + (BUFSIZE / 4); + + printf ("Benchmark for a set of most commonly used functions\n"); + printf ("---\n"); + printf ("All results are presented in millions of pixels per second\n"); + printf ("L1 - small Xx1 rectangle (fitting L1 cache), always blitted at the same\n"); + printf (" memory location with small drift in horizontal direction\n"); + printf ("L2 - small XxY rectangle (fitting L2 cache), always blitted at the same\n"); + printf (" memory location with small drift in horizontal direction\n"); + printf ("M - large %dx%d rectangle, always blitted at the same\n", + WIDTH - 64, HEIGHT); + printf (" memory location with small drift in horizontal direction\n"); + printf ("HT - random rectangles with %dx%d average size are copied from\n", + TILEWIDTH, TILEWIDTH); + printf (" one %dx%d buffer to another, traversing from left to right\n", + WIDTH, HEIGHT); + printf (" and from top to bottom\n"); + printf ("VT - random rectangles with %dx%d average size are copied from\n", + TILEWIDTH, TILEWIDTH); + printf (" one %dx%d buffer to another, traversing from top to bottom\n", + WIDTH, HEIGHT); + printf (" and from left to right\n"); + printf ("R - random rectangles with %dx%d average size are copied from\n", + TILEWIDTH, TILEWIDTH); + printf (" random locations of one %dx%d buffer to another\n", + WIDTH, HEIGHT); + printf ("RT - as R, but %dx%d average sized rectangles are copied\n", + TINYWIDTH, TINYWIDTH); + printf ("---\n"); + bandwidth = x = bench_memcpy (); + printf ("reference memcpy speed = %.1fMB/s (%.1fMP/s for 32bpp fills)\n", + x / 1000000., x / 4000000); + if (use_scaling) + { + printf ("---\n"); + if (filter == PIXMAN_FILTER_BILINEAR) + printf ("BILINEAR scaling\n"); + else if (filter == PIXMAN_FILTER_NEAREST) + printf ("NEAREST scaling\n"); + else + printf ("UNKNOWN scaling\n"); + } + printf ("---\n"); + + for (i = 0; i < ARRAY_LENGTH (tests_tbl); i++) + { + if (strcmp (pattern, "all") == 0 || strcmp (tests_tbl[i].testname, pattern) == 0) + { + bench_composite (tests_tbl[i].testname, + tests_tbl[i].src_fmt, + tests_tbl[i].src_flags, + tests_tbl[i].op, + tests_tbl[i].mask_fmt, + tests_tbl[i].mask_flags, + tests_tbl[i].dst_fmt, + bandwidth/8); + } + } + + free (src); + return 0; +} diff --git a/src/pixman/test/matrix-test.c b/src/pixman/test/matrix-test.c new file mode 100644 index 0000000..0a5f203 --- /dev/null +++ b/src/pixman/test/matrix-test.c @@ -0,0 +1,235 @@ +/* + * Copyright © 2012 Siarhei Siamashka <siarhei.siamashka@gmail.com> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "utils.h" +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <math.h> + +#ifdef HAVE_FLOAT128 + +#define pixman_fixed_to_float128(x) (((__float128)(x)) / 65536.0Q) + +typedef struct { __float128 v[3]; } pixman_vector_f128_t; +typedef struct { __float128 m[3][3]; } pixman_transform_f128_t; + +pixman_bool_t +pixman_transform_point_f128 (const pixman_transform_f128_t *t, + const pixman_vector_f128_t *v, + pixman_vector_f128_t *result) +{ + int i; + for (i = 0; i < 3; i++) + { + result->v[i] = t->m[i][0] * v->v[0] + + t->m[i][1] * v->v[1] + + t->m[i][2] * v->v[2]; + } + if (result->v[2] != 0) + { + result->v[0] /= result->v[2]; + result->v[1] /= result->v[2]; + result->v[2] = 1; + return TRUE; + } + else + { + return FALSE; + } +} + +pixman_bool_t does_it_fit_fixed_48_16 (__float128 x) +{ + if (x >= 65536.0Q * 65536.0Q * 32768.0Q) + return FALSE; + if (x <= -65536.0Q * 65536.0Q * 32768.0Q) + return FALSE; + return TRUE; +} + +#endif + +static inline uint32_t +byteswap32 (uint32_t x) +{ + return ((x & ((uint32_t)0xFF << 24)) >> 24) | + ((x & ((uint32_t)0xFF << 16)) >> 8) | + ((x & ((uint32_t)0xFF << 8)) << 8) | + ((x & ((uint32_t)0xFF << 0)) << 24); +} + +static inline uint64_t +byteswap64 (uint64_t x) +{ + return ((x & ((uint64_t)0xFF << 56)) >> 56) | + ((x & ((uint64_t)0xFF << 48)) >> 40) | + ((x & ((uint64_t)0xFF << 40)) >> 24) | + ((x & ((uint64_t)0xFF << 32)) >> 8) | + ((x & ((uint64_t)0xFF << 24)) << 8) | + ((x & ((uint64_t)0xFF << 16)) << 24) | + ((x & ((uint64_t)0xFF << 8)) << 40) | + ((x & ((uint64_t)0xFF << 0)) << 56); +} + +static void +byteswap_transform (pixman_transform_t *t) +{ + int i, j; + + if (is_little_endian ()) + return; + + for (i = 0; i < 3; i++) + for (j = 0; j < 3; j++) + t->matrix[i][j] = byteswap32 (t->matrix[i][j]); +} + +static void +byteswap_vector_48_16 (pixman_vector_48_16_t *v) +{ + int i; + + if (is_little_endian ()) + return; + + for (i = 0; i < 3; i++) + v->v[i] = byteswap64 (v->v[i]); +} + +uint32_t +test_matrix (int testnum, int verbose) +{ + uint32_t crc32 = 0; + int i, j, k; + pixman_bool_t is_affine; + + prng_srand (testnum); + + for (i = 0; i < 100; i++) + { + pixman_bool_t transform_ok; + pixman_transform_t ti; + pixman_vector_48_16_t vi, result_i; +#ifdef HAVE_FLOAT128 + pixman_transform_f128_t tf; + pixman_vector_f128_t vf, result_f; +#endif + prng_randmemset (&ti, sizeof(ti), 0); + prng_randmemset (&vi, sizeof(vi), 0); + byteswap_transform (&ti); + byteswap_vector_48_16 (&vi); + + for (j = 0; j < 3; j++) + { + /* make sure that "vi" contains 31.16 fixed point data */ + vi.v[j] >>= 17; + /* and apply random shift */ + if (prng_rand_n (3) == 0) + vi.v[j] >>= prng_rand_n (46); + } + + if (prng_rand_n (2)) + { + /* random shift for the matrix */ + for (j = 0; j < 3; j++) + for (k = 0; k < 3; k++) + ti.matrix[j][k] >>= prng_rand_n (30); + } + + if (prng_rand_n (2)) + { + /* affine matrix */ + ti.matrix[2][0] = 0; + ti.matrix[2][1] = 0; + ti.matrix[2][2] = pixman_fixed_1; + } + + if (prng_rand_n (2)) + { + /* cartesian coordinates */ + vi.v[2] = pixman_fixed_1; + } + + is_affine = (ti.matrix[2][0] == 0 && ti.matrix[2][1] == 0 && + ti.matrix[2][2] == pixman_fixed_1 && + vi.v[2] == pixman_fixed_1); + + transform_ok = TRUE; + if (is_affine && prng_rand_n (2)) + pixman_transform_point_31_16_affine (&ti, &vi, &result_i); + else + transform_ok = pixman_transform_point_31_16 (&ti, &vi, &result_i); + +#ifdef HAVE_FLOAT128 + /* compare with a reference 128-bit floating point implementation */ + for (j = 0; j < 3; j++) + { + vf.v[j] = pixman_fixed_to_float128 (vi.v[j]); + for (k = 0; k < 3; k++) + { + tf.m[j][k] = pixman_fixed_to_float128 (ti.matrix[j][k]); + } + } + + if (pixman_transform_point_f128 (&tf, &vf, &result_f)) + { + if (transform_ok || + (does_it_fit_fixed_48_16 (result_f.v[0]) && + does_it_fit_fixed_48_16 (result_f.v[1]) && + does_it_fit_fixed_48_16 (result_f.v[2]))) + { + for (j = 0; j < 3; j++) + { + double diff = fabs (result_f.v[j] - + pixman_fixed_to_float128 (result_i.v[j])); + + if (is_affine && diff > (0.51 / 65536.0)) + { + printf ("%d:%d: bad precision for affine (%.12f)\n", + testnum, i, diff); + abort (); + } + else if (diff > (0.71 / 65536.0)) + { + printf ("%d:%d: bad precision for projective (%.12f)\n", + testnum, i, diff); + abort (); + } + } + } + } +#endif + byteswap_vector_48_16 (&result_i); + crc32 = compute_crc32 (crc32, &result_i, sizeof (result_i)); + } + return crc32; +} + +int +main (int argc, const char *argv[]) +{ + return fuzzer_test_main ("matrix", 20000, + 0xBEBF98C3, + test_matrix, argc, argv); +} diff --git a/src/pixman/test/oob-test.c b/src/pixman/test/oob-test.c new file mode 100644 index 0000000..0d19b50 --- /dev/null +++ b/src/pixman/test/oob-test.c @@ -0,0 +1,101 @@ +#include <stdio.h> +#include <stdlib.h> +#include "utils.h" + +typedef struct +{ + int width; + int height; + int stride; + pixman_format_code_t format; + +} image_info_t; + +typedef struct +{ + pixman_op_t op; + + image_info_t src; + image_info_t dest; + + int src_x; + int src_y; + int dest_x; + int dest_y; + int width; + int height; +} composite_info_t; + +const composite_info_t info[] = +{ + { + PIXMAN_OP_SRC, + { 3, 6, 16, PIXMAN_a8r8g8b8 }, + { 5, 7, 20, PIXMAN_x8r8g8b8 }, + 1, 8, + 1, -1, + 1, 8 + }, + { + PIXMAN_OP_SRC, + { 7, 5, 36, PIXMAN_a8r8g8b8 }, + { 6, 5, 28, PIXMAN_x8r8g8b8 }, + 8, 5, + 5, 3, + 1, 2 + }, + { + PIXMAN_OP_OVER, + { 10, 10, 40, PIXMAN_a2b10g10r10 }, + { 10, 10, 40, PIXMAN_a2b10g10r10 }, + 0, 0, + 0, 0, + 10, 10 + }, + { + PIXMAN_OP_OVER, + { 10, 10, 40, PIXMAN_x2b10g10r10 }, + { 10, 10, 40, PIXMAN_x2b10g10r10 }, + 0, 0, + 0, 0, + 10, 10 + }, +}; + +static pixman_image_t * +make_image (const image_info_t *info) +{ + char *data = malloc (info->stride * info->height); + int i; + + for (i = 0; i < info->height * info->stride; ++i) + data[i] = (i % 255) ^ (((i % 16) << 4) | (i & 0xf0)); + + return pixman_image_create_bits (info->format, info->width, info->height, (uint32_t *)data, info->stride); +} + +static void +test_composite (const composite_info_t *info) +{ + pixman_image_t *src = make_image (&info->src); + pixman_image_t *dest = make_image (&info->dest); + + pixman_image_composite (PIXMAN_OP_SRC, src, NULL, dest, + info->src_x, info->src_y, + 0, 0, + info->dest_x, info->dest_y, + info->width, info->height); +} + + + +int +main (int argc, char **argv) +{ + int i; + + for (i = 0; i < ARRAY_LENGTH (info); ++i) + test_composite (&info[i]); + + return 0; +} diff --git a/src/pixman/test/pdf-op-test.c b/src/pixman/test/pdf-op-test.c new file mode 100644 index 0000000..dcb3a60 --- /dev/null +++ b/src/pixman/test/pdf-op-test.c @@ -0,0 +1,83 @@ +#include <stdlib.h> +#include "utils.h" + +static const pixman_op_t pdf_ops[] = +{ + PIXMAN_OP_MULTIPLY, + PIXMAN_OP_SCREEN, + PIXMAN_OP_OVERLAY, + PIXMAN_OP_DARKEN, + PIXMAN_OP_LIGHTEN, + PIXMAN_OP_COLOR_DODGE, + PIXMAN_OP_COLOR_BURN, + PIXMAN_OP_HARD_LIGHT, + PIXMAN_OP_SOFT_LIGHT, + PIXMAN_OP_DIFFERENCE, + PIXMAN_OP_EXCLUSION, + PIXMAN_OP_HSL_HUE, + PIXMAN_OP_HSL_SATURATION, + PIXMAN_OP_HSL_COLOR, + PIXMAN_OP_HSL_LUMINOSITY +}; + +static const uint32_t pixels[] = +{ + 0x00808080, + 0x80123456, + 0x00000000, + 0xffffffff, + 0x00ffffff, + 0x80808080, + 0x00123456, +}; + +int +main () +{ + int o, s, m, d; + + enable_divbyzero_exceptions(); + + for (o = 0; o < ARRAY_LENGTH (pdf_ops); ++o) + { + pixman_op_t op = pdf_ops[o]; + + for (s = 0; s < ARRAY_LENGTH (pixels); ++s) + { + pixman_image_t *src; + + src = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, 1, 1, (uint32_t *)&(pixels[s]), 4); + + for (m = -1; m < ARRAY_LENGTH (pixels); ++m) + { + pixman_image_t *msk = NULL; + if (m >= 0) + { + msk = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, 1, 1, (uint32_t *)&(pixels[m]), 4); + } + + for (d = 0; d < ARRAY_LENGTH (pixels); ++d) + { + pixman_image_t *dst; + uint32_t dp = pixels[d]; + + dst = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, 1, 1, &dp, 4); + + pixman_image_composite (op, src, msk, dst, + 0, 0, 0, 0, 0, 0, 1, 1); + + pixman_image_unref (dst); + } + if (msk) + pixman_image_unref (msk); + } + + pixman_image_unref (src); + } + } + + return 0; +} diff --git a/src/pixman/test/pixel-test.c b/src/pixman/test/pixel-test.c new file mode 100644 index 0000000..8c525d2 --- /dev/null +++ b/src/pixman/test/pixel-test.c @@ -0,0 +1,267 @@ +/* + * Copyright © 2013 Soeren Sandmann + * Copyright © 2013 Red Hat, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ +#include <stdio.h> +#include <stdlib.h> /* abort() */ +#include <math.h> +#include <time.h> +#include "utils.h" + +typedef struct pixel_combination_t pixel_combination_t; +struct pixel_combination_t +{ + pixman_op_t op; + pixman_format_code_t src_format; + uint32_t src_pixel; + pixman_format_code_t dest_format; + uint32_t dest_pixel; +}; + +static const pixel_combination_t regressions[] = +{ + { PIXMAN_OP_OVER, + PIXMAN_a8r8g8b8, 0x0f00c300, + PIXMAN_x14r6g6b6, 0x003c0, + }, + { PIXMAN_OP_DISJOINT_XOR, + PIXMAN_a4r4g4b4, 0xd0c0, + PIXMAN_a8r8g8b8, 0x5300ea00, + }, + { PIXMAN_OP_OVER, + PIXMAN_a8r8g8b8, 0x20c6bf00, + PIXMAN_r5g6b5, 0xb9ff + }, + { PIXMAN_OP_OVER, + PIXMAN_a8r8g8b8, 0x204ac7ff, + PIXMAN_r5g6b5, 0xc1ff + }, + { PIXMAN_OP_OVER_REVERSE, + PIXMAN_r5g6b5, 0xffc3, + PIXMAN_a8r8g8b8, 0x102d00dd + }, + { PIXMAN_OP_OVER_REVERSE, + PIXMAN_r5g6b5, 0x1f00, + PIXMAN_a8r8g8b8, 0x1bdf0c89 + }, + { PIXMAN_OP_OVER_REVERSE, + PIXMAN_r5g6b5, 0xf9d2, + PIXMAN_a8r8g8b8, 0x1076bcf7 + }, + { PIXMAN_OP_OVER_REVERSE, + PIXMAN_r5g6b5, 0x00c3, + PIXMAN_a8r8g8b8, 0x1bfe9ae5 + }, + { PIXMAN_OP_OVER_REVERSE, + PIXMAN_r5g6b5, 0x09ff, + PIXMAN_a8r8g8b8, 0x0b00c16c + }, + { PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_a2r2g2b2, 0xbc, + PIXMAN_a8r8g8b8, 0x9efff1ff + }, + { PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_a4r4g4b4, 0xae5f, + PIXMAN_a8r8g8b8, 0xf215b675 + }, + { PIXMAN_OP_DISJOINT_ATOP_REVERSE, + PIXMAN_a8r8g8b8, 0xce007980, + PIXMAN_a8r8g8b8, 0x80ffe4ad + }, + { PIXMAN_OP_DISJOINT_XOR, + PIXMAN_a8r8g8b8, 0xb8b07bea, + PIXMAN_a4r4g4b4, 0x939c + }, + { PIXMAN_OP_CONJOINT_ATOP_REVERSE, + PIXMAN_r5g6b5, 0x0063, + PIXMAN_a8r8g8b8, 0x10bb1ed7, + }, +}; + +static void +fill (pixman_image_t *image, uint32_t pixel) +{ + uint8_t *data = (uint8_t *)pixman_image_get_data (image); + int bytes_per_pixel = PIXMAN_FORMAT_BPP (pixman_image_get_format (image)) / 8; + int n_bytes = pixman_image_get_stride (image) * pixman_image_get_height (image); + int i; + + switch (bytes_per_pixel) + { + case 4: + for (i = 0; i < n_bytes / 4; ++i) + ((uint32_t *)data)[i] = pixel; + break; + + case 2: + pixel &= 0xffff; + for (i = 0; i < n_bytes / 2; ++i) + ((uint16_t *)data)[i] = pixel; + break; + + case 1: + pixel &= 0xff; + for (i = 0; i < n_bytes; ++i) + ((uint8_t *)data)[i] = pixel; + break; + + default: + assert (0); + break; + } +} + +static uint32_t +access (pixman_image_t *image, int x, int y) +{ + int bytes_per_pixel; + int stride; + uint32_t result; + uint8_t *location; + + if (x < 0 || x >= image->bits.width || y < 0 || y >= image->bits.height) + return 0; + + bytes_per_pixel = PIXMAN_FORMAT_BPP (image->bits.format) / 8; + stride = image->bits.rowstride * 4; + + location = (uint8_t *)image->bits.bits + y * stride + x * bytes_per_pixel; + + if (bytes_per_pixel == 4) + result = *(uint32_t *)location; + else if (bytes_per_pixel == 2) + result = *(uint16_t *)location; + else if (bytes_per_pixel == 1) + result = *(uint8_t *)location; + else + assert (0); + + return result; +} + +static pixman_bool_t +verify (int test_no, const pixel_combination_t *combination, int size) +{ + pixman_image_t *src, *dest; + pixel_checker_t src_checker, dest_checker; + color_t source_color, dest_color, reference_color; + pixman_bool_t result = TRUE; + int i, j; + + /* Compute reference color */ + pixel_checker_init (&src_checker, combination->src_format); + pixel_checker_init (&dest_checker, combination->dest_format); + pixel_checker_convert_pixel_to_color ( + &src_checker, combination->src_pixel, &source_color); + pixel_checker_convert_pixel_to_color ( + &dest_checker, combination->dest_pixel, &dest_color); + do_composite (combination->op, + &source_color, NULL, &dest_color, + &reference_color, FALSE); + + src = pixman_image_create_bits ( + combination->src_format, size, size, NULL, -1); + dest = pixman_image_create_bits ( + combination->dest_format, size, size, NULL, -1); + + fill (src, combination->src_pixel); + fill (dest, combination->dest_pixel); + + pixman_image_composite32 ( + combination->op, src, NULL, dest, 0, 0, 0, 0, 0, 0, size, size); + + for (j = 0; j < size; ++j) + { + for (i = 0; i < size; ++i) + { + uint32_t computed = access (dest, i, j); + int32_t a, r, g, b; + + if (!pixel_checker_check (&dest_checker, computed, &reference_color)) + { + printf ("----------- Test %d failed ----------\n", test_no); + + printf (" operator: %s\n", operator_name (combination->op)); + printf (" src format: %s\n", format_name (combination->src_format)); + printf (" dest format: %s\n", format_name (combination->dest_format)); + printf (" - source ARGB: %f %f %f %f (pixel: %8x)\n", + source_color.a, source_color.r, source_color.g, source_color.b, + combination->src_pixel); + pixel_checker_split_pixel (&src_checker, combination->src_pixel, + &a, &r, &g, &b); + printf (" %8d %8d %8d %8d\n", a, r, g, b); + + printf (" - dest ARGB: %f %f %f %f (pixel: %8x)\n", + dest_color.a, dest_color.r, dest_color.g, dest_color.b, + combination->dest_pixel); + pixel_checker_split_pixel (&dest_checker, combination->dest_pixel, + &a, &r, &g, &b); + printf (" %8d %8d %8d %8d\n", a, r, g, b); + + pixel_checker_split_pixel (&dest_checker, computed, &a, &r, &g, &b); + printf (" - expected ARGB: %f %f %f %f\n", + reference_color.a, reference_color.r, reference_color.g, reference_color.b); + + pixel_checker_get_min (&dest_checker, &reference_color, &a, &r, &g, &b); + printf (" min acceptable: %8d %8d %8d %8d\n", a, r, g, b); + + pixel_checker_split_pixel (&dest_checker, computed, &a, &r, &g, &b); + printf (" got: %8d %8d %8d %8d (pixel: %8x)\n", a, r, g, b, computed); + + pixel_checker_get_max (&dest_checker, &reference_color, &a, &r, &g, &b); + printf (" max acceptable: %8d %8d %8d %8d\n", a, r, g, b); + + result = FALSE; + goto done; + } + } + } + +done: + pixman_image_unref (src); + pixman_image_unref (dest); + + return result; +} + +int +main (int argc, char **argv) +{ + int result = 0; + int i, j; + + for (i = 0; i < ARRAY_LENGTH (regressions); ++i) + { + const pixel_combination_t *combination = &(regressions[i]); + + for (j = 1; j < 34; ++j) + { + if (!verify (i, combination, j)) + { + result = 1; + break; + } + } + } + + return result; +} diff --git a/src/pixman/test/prng-test.c b/src/pixman/test/prng-test.c new file mode 100644 index 0000000..c1d9320 --- /dev/null +++ b/src/pixman/test/prng-test.c @@ -0,0 +1,175 @@ +/* + * Copyright © 2012 Siarhei Siamashka <siarhei.siamashka@gmail.com> + * + * Based on the public domain implementation of small noncryptographic PRNG + * authored by Bob Jenkins: http://burtleburtle.net/bob/rand/smallprng.html + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include <assert.h> +#include <stdlib.h> +#include "utils-prng.h" +#include "utils.h" + +/* The original code from http://www.burtleburtle.net/bob/rand/smallprng.html */ + +typedef uint32_t u4; +typedef struct ranctx { u4 a; u4 b; u4 c; u4 d; } ranctx; + +#define rot(x,k) (((x)<<(k))|((x)>>(32-(k)))) +u4 ranval( ranctx *x ) { + u4 e = x->a - rot(x->b, 27); + x->a = x->b ^ rot(x->c, 17); + x->b = x->c + x->d; + x->c = x->d + e; + x->d = e + x->a; + return x->d; +} + +void raninit( ranctx *x, u4 seed ) { + u4 i; + x->a = 0xf1ea5eed, x->b = x->c = x->d = seed; + for (i=0; i<20; ++i) { + (void)ranval(x); + } +} + +/*****************************************************************************/ + +#define BUFSIZE (8 * 1024 * 1024) +#define N 50 + +void bench (void) +{ + double t1, t2; + int i; + prng_t prng; + uint8_t *buf = aligned_malloc (16, BUFSIZE + 1); + + prng_srand_r (&prng, 1234); + t1 = gettime(); + for (i = 0; i < N; i++) + prng_randmemset_r (&prng, buf, BUFSIZE, 0); + t2 = gettime(); + printf ("aligned randmemset : %.2f MB/s\n", + (double)BUFSIZE * N / 1000000. / (t2 - t1)); + + t1 = gettime(); + for (i = 0; i < N; i++) + prng_randmemset_r (&prng, buf + 1, BUFSIZE, 0); + t2 = gettime(); + printf ("unaligned randmemset : %.2f MB/s\n", + (double)BUFSIZE * N / 1000000. / (t2 - t1)); + + t1 = gettime(); + for (i = 0; i < N; i++) + { + prng_randmemset_r (&prng, buf, BUFSIZE, RANDMEMSET_MORE_00_AND_FF); + } + t2 = gettime (); + printf ("aligned randmemset (more 00 and FF) : %.2f MB/s\n", + (double)BUFSIZE * N / 1000000. / (t2 - t1)); + + t1 = gettime(); + for (i = 0; i < N; i++) + { + prng_randmemset_r (&prng, buf + 1, BUFSIZE, RANDMEMSET_MORE_00_AND_FF); + } + t2 = gettime (); + printf ("unaligned randmemset (more 00 and FF) : %.2f MB/s\n", + (double)BUFSIZE * N / 1000000. / (t2 - t1)); + + free (buf); +} + +#define SMALLBUFSIZE 100 + +int main (int argc, char *argv[]) +{ + const uint32_t ref_crc[RANDMEMSET_MORE_00_AND_FF + 1] = + { + 0xBA06763D, 0x103FC550, 0x8B59ABA5, 0xD82A0F39, + 0xD2321099, 0xFD8C5420, 0xD3B7C42A, 0xFC098093, + 0x85E01DE0, 0x6680F8F7, 0x4D32DD3C, 0xAE52382B, + 0x149E6CB5, 0x8B336987, 0x15DCB2B3, 0x8A71B781 + }; + uint32_t crc1, crc2; + uint32_t ref, seed, seed0, seed1, seed2, seed3; + prng_rand_128_data_t buf; + uint8_t *bytebuf = aligned_malloc(16, SMALLBUFSIZE + 1); + ranctx x; + prng_t prng; + prng_randmemset_flags_t flags; + + if (argc > 1 && strcmp(argv[1], "-bench") == 0) + { + bench (); + return 0; + } + + /* basic test */ + raninit (&x, 0); + prng_srand_r (&prng, 0); + assert (ranval (&x) == prng_rand_r (&prng)); + + /* test for simd code */ + seed = 0; + prng_srand_r (&prng, seed); + seed0 = (seed = seed * 1103515245 + 12345); + seed1 = (seed = seed * 1103515245 + 12345); + seed2 = (seed = seed * 1103515245 + 12345); + seed3 = (seed = seed * 1103515245 + 12345); + prng_rand_128_r (&prng, &buf); + + raninit (&x, seed0); + ref = ranval (&x); + assert (ref == buf.w[0]); + + raninit (&x, seed1); + ref = ranval (&x); + assert (ref == buf.w[1]); + + raninit (&x, seed2); + ref = ranval (&x); + assert (ref == buf.w[2]); + + raninit (&x, seed3); + ref = ranval (&x); + assert (ref == buf.w[3]); + + /* test for randmemset */ + for (flags = 0; flags <= RANDMEMSET_MORE_00_AND_FF; flags++) + { + prng_srand_r (&prng, 1234); + prng_randmemset_r (&prng, bytebuf, 16, flags); + prng_randmemset_r (&prng, bytebuf + 16, SMALLBUFSIZE - 17, flags); + crc1 = compute_crc32 (0, bytebuf, SMALLBUFSIZE - 1); + prng_srand_r (&prng, 1234); + prng_randmemset_r (&prng, bytebuf + 1, SMALLBUFSIZE - 1, flags); + crc2 = compute_crc32 (0, bytebuf + 1, SMALLBUFSIZE - 1); + assert (ref_crc[flags] == crc1); + assert (ref_crc[flags] == crc2); + } + + free (bytebuf); + + return 0; +} diff --git a/src/pixman/test/radial-perf-test.c b/src/pixman/test/radial-perf-test.c new file mode 100644 index 0000000..71092e2 --- /dev/null +++ b/src/pixman/test/radial-perf-test.c @@ -0,0 +1,58 @@ +#include "utils.h" +#include <stdio.h> + +int +main () +{ + static const pixman_point_fixed_t inner = { 0x0000, 0x0000 }; + static const pixman_point_fixed_t outer = { 0x0000, 0x0000 }; + static const pixman_fixed_t r_inner = 0; + static const pixman_fixed_t r_outer = 64 << 16; + static const pixman_gradient_stop_t stops[] = { + { 0x00000, { 0x6666, 0x6666, 0x6666, 0xffff } }, + { 0x10000, { 0x0000, 0x0000, 0x0000, 0xffff } } + }; + static const pixman_transform_t transform = { + { { 0x0, 0x26ee, 0x0}, + { 0xffffeeef, 0x0, 0x0}, + { 0x0, 0x0, 0x10000} + } + }; + static const pixman_color_t z = { 0x0000, 0x0000, 0x0000, 0x0000 }; + pixman_image_t *dest, *radial, *zero; + int i; + double before, after; + + dest = pixman_image_create_bits ( + PIXMAN_x8r8g8b8, 640, 429, NULL, -1); + zero = pixman_image_create_solid_fill (&z); + radial = pixman_image_create_radial_gradient ( + &inner, &outer, r_inner, r_outer, stops, ARRAY_LENGTH (stops)); + pixman_image_set_transform (radial, &transform); + pixman_image_set_repeat (radial, PIXMAN_REPEAT_PAD); + +#define N_COMPOSITE 500 + + before = gettime(); + for (i = 0; i < N_COMPOSITE; ++i) + { + before -= gettime(); + + pixman_image_composite ( + PIXMAN_OP_SRC, zero, NULL, dest, + 0, 0, 0, 0, 0, 0, 640, 429); + + before += gettime(); + + pixman_image_composite32 ( + PIXMAN_OP_OVER, radial, NULL, dest, + - 150, -158, 0, 0, 0, 0, 640, 361); + } + + after = gettime(); + + write_png (dest, "radial.png"); + + printf ("Average time to composite: %f\n", (after - before) / N_COMPOSITE); + return 0; +} diff --git a/src/pixman/test/region-contains-test.c b/src/pixman/test/region-contains-test.c new file mode 100644 index 0000000..096e651 --- /dev/null +++ b/src/pixman/test/region-contains-test.c @@ -0,0 +1,169 @@ +#include <stdlib.h> +#include <stdio.h> +#include "utils.h" + +static void +make_random_region (pixman_region32_t *region) +{ + int n_boxes; + + pixman_region32_init (region); + + n_boxes = prng_rand_n (64); + while (n_boxes--) + { + int32_t x, y; + uint32_t w, h; + + x = (int32_t)prng_rand() >> 2; + y = (int32_t)prng_rand() >> 2; + w = prng_rand() >> 2; + h = prng_rand() >> 2; + + pixman_region32_union_rect (region, region, x, y, w, h); + } +} + +static void +print_box (pixman_box32_t *box) +{ + printf (" %d %d %d %d\n", box->x1, box->y1, box->x2, box->y2); +} + +static int32_t +random_coord (pixman_region32_t *region, pixman_bool_t x) +{ + pixman_box32_t *b, *bb; + int n_boxes; + int begin, end; + + if (prng_rand_n (14)) + { + bb = pixman_region32_rectangles (region, &n_boxes); + if (n_boxes == 0) + goto use_extent; + b = bb + prng_rand_n (n_boxes); + } + else + { + use_extent: + b = pixman_region32_extents (region); + n_boxes = 1; + } + + if (x) + { + begin = b->x1; + end = b->x2; + } + else + { + begin = b->y1; + end = b->y2; + } + + switch (prng_rand_n (5)) + { + case 0: + return begin - prng_rand(); + case 1: + return end + prng_rand (); + case 2: + return end; + case 3: + return begin; + default: + return (end - begin) / 2 + begin; + } + return 0; +} + +static uint32_t +compute_crc32_u32 (uint32_t crc32, uint32_t v) +{ + if (!is_little_endian()) + { + v = ((v & 0xff000000) >> 24) | + ((v & 0x00ff0000) >> 8) | + ((v & 0x0000ff00) << 8) | + ((v & 0x000000ff) << 24); + } + + return compute_crc32 (crc32, &v, sizeof (int32_t)); +} + +static uint32_t +crc32_box32 (uint32_t crc32, pixman_box32_t *box) +{ + crc32 = compute_crc32_u32 (crc32, box->x1); + crc32 = compute_crc32_u32 (crc32, box->y1); + crc32 = compute_crc32_u32 (crc32, box->x2); + crc32 = compute_crc32_u32 (crc32, box->y2); + + return crc32; +} + +static uint32_t +test_region_contains_rectangle (int i, int verbose) +{ + pixman_box32_t box; + pixman_box32_t rbox = { 0, 0, 0, 0 }; + pixman_region32_t region; + uint32_t r, r1, r2, r3, r4, crc32; + + prng_srand (i); + + make_random_region (®ion); + + box.x1 = random_coord (®ion, TRUE); + box.x2 = box.x1 + prng_rand (); + box.y1 = random_coord (®ion, FALSE); + box.y2 = box.y1 + prng_rand (); + + if (verbose) + { + int n_rects; + pixman_box32_t *boxes; + + boxes = pixman_region32_rectangles (®ion, &n_rects); + + printf ("region:\n"); + while (n_rects--) + print_box (boxes++); + printf ("box:\n"); + print_box (&box); + } + + crc32 = 0; + + r1 = pixman_region32_contains_point (®ion, box.x1, box.y1, &rbox); + crc32 = crc32_box32 (crc32, &rbox); + r2 = pixman_region32_contains_point (®ion, box.x1, box.y2, &rbox); + crc32 = crc32_box32 (crc32, &rbox); + r3 = pixman_region32_contains_point (®ion, box.x2, box.y1, &rbox); + crc32 = crc32_box32 (crc32, &rbox); + r4 = pixman_region32_contains_point (®ion, box.x2, box.y2, &rbox); + crc32 = crc32_box32 (crc32, &rbox); + + r = pixman_region32_contains_rectangle (®ion, &box); + r = (i << 8) | (r << 4) | (r1 << 3) | (r2 << 2) | (r3 << 1) | (r4 << 0); + + crc32 = compute_crc32_u32 (crc32, r); + + if (verbose) + printf ("results: %d %d %d %d %d\n", (r & 0xf0) >> 4, r1, r2, r3, r4); + + pixman_region32_fini (®ion); + + return crc32; +} + +int +main (int argc, const char *argv[]) +{ + return fuzzer_test_main ("region_contains", + 1000000, + 0x548E0F3F, + test_region_contains_rectangle, + argc, argv); +} diff --git a/src/pixman/test/region-test.c b/src/pixman/test/region-test.c new file mode 100644 index 0000000..bfc219b --- /dev/null +++ b/src/pixman/test/region-test.c @@ -0,0 +1,125 @@ +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include "utils.h" + +int +main () +{ + pixman_region32_t r1; + pixman_region32_t r2; + pixman_region32_t r3; + pixman_box32_t boxes[] = { + { 10, 10, 20, 20 }, + { 30, 30, 30, 40 }, + { 50, 45, 60, 44 }, + }; + pixman_box32_t boxes2[] = { + { 2, 6, 7, 6 }, + { 4, 1, 6, 7 }, + }; + pixman_box32_t boxes3[] = { + { 2, 6, 7, 6 }, + { 4, 1, 6, 1 }, + }; + int i, j; + pixman_box32_t *b; + pixman_image_t *image, *fill; + pixman_color_t white = { + 0xffff, + 0xffff, + 0xffff, + 0xffff + }; + + prng_srand (0); + + /* This used to go into an infinite loop before pixman-region.c + * was fixed to not use explict "short" variables + */ + pixman_region32_init_rect (&r1, 0, 0, 20, 64000); + pixman_region32_init_rect (&r2, 0, 0, 20, 64000); + pixman_region32_init_rect (&r3, 0, 0, 20, 64000); + + pixman_region32_subtract (&r1, &r2, &r3); + + + /* This would produce a region containing an empty + * rectangle in it. Such regions are considered malformed, + * but using an empty rectangle for initialization should + * work. + */ + pixman_region32_init_rects (&r1, boxes, 3); + + b = pixman_region32_rectangles (&r1, &i); + + assert (i == 1); + + while (i--) + { + assert (b[i].x1 < b[i].x2); + assert (b[i].y1 < b[i].y2); + } + + /* This would produce a rectangle containing the bounding box + * of the two rectangles. The correct result is to eliminate + * the broken rectangle. + */ + pixman_region32_init_rects (&r1, boxes2, 2); + + b = pixman_region32_rectangles (&r1, &i); + + assert (i == 1); + + assert (b[0].x1 == 4); + assert (b[0].y1 == 1); + assert (b[0].x2 == 6); + assert (b[0].y2 == 7); + + /* This should produce an empty region */ + pixman_region32_init_rects (&r1, boxes3, 2); + + b = pixman_region32_rectangles (&r1, &i); + + assert (i == 0); + + fill = pixman_image_create_solid_fill (&white); + for (i = 0; i < 100; i++) + { + int image_size = 128; + + pixman_region32_init (&r1); + + /* Add some random rectangles */ + for (j = 0; j < 64; j++) + pixman_region32_union_rect (&r1, &r1, + prng_rand_n (image_size), + prng_rand_n (image_size), + prng_rand_n (25), + prng_rand_n (25)); + + /* Clip to image size */ + pixman_region32_init_rect (&r2, 0, 0, image_size, image_size); + pixman_region32_intersect (&r1, &r1, &r2); + pixman_region32_fini (&r2); + + /* render region to a1 mask */ + image = pixman_image_create_bits (PIXMAN_a1, image_size, image_size, NULL, 0); + pixman_image_set_clip_region32 (image, &r1); + pixman_image_composite32 (PIXMAN_OP_SRC, + fill, NULL, image, + 0, 0, 0, 0, 0, 0, + image_size, image_size); + pixman_region32_init_from_image (&r2, image); + + pixman_image_unref (image); + + assert (pixman_region32_equal (&r1, &r2)); + pixman_region32_fini (&r1); + pixman_region32_fini (&r2); + + } + pixman_image_unref (fill); + + return 0; +} diff --git a/src/pixman/test/region-translate-test.c b/src/pixman/test/region-translate-test.c new file mode 100644 index 0000000..5a03027 --- /dev/null +++ b/src/pixman/test/region-translate-test.c @@ -0,0 +1,30 @@ +#include <assert.h> +#include "utils.h" + +/* Pixman had a bug where 32bit regions where clipped to 16bit sizes when + * pixman_region32_translate() was called. This test exercises that bug. + */ + +#define LARGE 32000 + +int +main (int argc, char **argv) +{ + pixman_box32_t rect = { -LARGE, -LARGE, LARGE, LARGE }; + pixman_region32_t r1, r2; + + pixman_region32_init_rects (&r1, &rect, 1); + pixman_region32_init_rect (&r2, rect.x1, rect.y1, rect.x2 - rect.x1, rect.y2 - rect.y1); + + assert (pixman_region32_equal (&r1, &r2)); + + pixman_region32_translate (&r1, -LARGE, LARGE); + pixman_region32_translate (&r1, LARGE, -LARGE); + + assert (pixman_region32_equal (&r1, &r2)); + + pixman_region32_fini (&r1); + pixman_region32_fini (&r2); + + return 0; +} diff --git a/src/pixman/test/rotate-test.c b/src/pixman/test/rotate-test.c new file mode 100644 index 0000000..18ca60d --- /dev/null +++ b/src/pixman/test/rotate-test.c @@ -0,0 +1,120 @@ +#include <stdlib.h> +#include "utils.h" + +#define WIDTH 32 +#define HEIGHT 32 + +static const pixman_format_code_t formats[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_a8b8g8r8, + PIXMAN_x8r8g8b8, + PIXMAN_x8b8g8r8, + PIXMAN_r5g6b5, + PIXMAN_b5g6r5, + PIXMAN_a8, + PIXMAN_a1, +}; + +static const pixman_op_t ops[] = +{ + PIXMAN_OP_OVER, + PIXMAN_OP_SRC, + PIXMAN_OP_ADD, +}; + +#define TRANSFORM(v00, v01, v10, v11) \ + { { { v00, v01, WIDTH * pixman_fixed_1 / 2 }, \ + { v10, v11, HEIGHT * pixman_fixed_1 / 2 }, \ + { 0, 0, pixman_fixed_1 } } } + +#define F1 pixman_fixed_1 + +static const pixman_transform_t transforms[] = +{ + TRANSFORM (0, -1, 1, 0), /* wrong 90 degree rotation */ + TRANSFORM (0, 1, -1, 0), /* wrong 270 degree rotation */ + TRANSFORM (1, 0, 0, 1), /* wrong identity */ + TRANSFORM (-1, 0, 0, -1), /* wrong 180 degree rotation */ + TRANSFORM (0, -F1, F1, 0), /* correct 90 degree rotation */ + TRANSFORM (0, F1, -F1, 0), /* correct 270 degree rotation */ + TRANSFORM (F1, 0, 0, F1), /* correct identity */ + TRANSFORM (-F1, 0, 0, -F1), /* correct 180 degree rotation */ +}; + +#define RANDOM_FORMAT() \ + (formats[prng_rand_n (ARRAY_LENGTH (formats))]) + +#define RANDOM_OP() \ + (ops[prng_rand_n (ARRAY_LENGTH (ops))]) + +#define RANDOM_TRANSFORM() \ + (&(transforms[prng_rand_n (ARRAY_LENGTH (transforms))])) + +static void +on_destroy (pixman_image_t *image, void *data) +{ + free (data); +} + +static pixman_image_t * +make_image (void) +{ + pixman_format_code_t format = RANDOM_FORMAT(); + uint32_t *bytes, *orig; + pixman_image_t *image; + int stride; + + orig = bytes = malloc (WIDTH * HEIGHT * 4); + prng_randmemset (bytes, WIDTH * HEIGHT * 4, 0); + + stride = WIDTH * 4; + if (prng_rand_n (2) == 0) + { + bytes += (stride / 4) * (HEIGHT - 1); + stride = - stride; + } + + image = pixman_image_create_bits ( + format, WIDTH, HEIGHT, bytes, stride); + + pixman_image_set_transform (image, RANDOM_TRANSFORM()); + pixman_image_set_destroy_function (image, on_destroy, orig); + pixman_image_set_repeat (image, PIXMAN_REPEAT_NORMAL); + + image_endian_swap (image); + + return image; +} + +static uint32_t +test_transform (int testnum, int verbose) +{ + pixman_image_t *src, *dest; + uint32_t crc; + + prng_srand (testnum); + + src = make_image (); + dest = make_image (); + + pixman_image_composite (RANDOM_OP(), + src, NULL, dest, + 0, 0, 0, 0, WIDTH / 2, HEIGHT / 2, + WIDTH, HEIGHT); + + crc = compute_crc32_for_image (0, dest); + + pixman_image_unref (src); + pixman_image_unref (dest); + + return crc; +} + +int +main (int argc, const char *argv[]) +{ + return fuzzer_test_main ("rotate", 15000, + 0x81E9EC2F, + test_transform, argc, argv); +} diff --git a/src/pixman/test/scaling-bench.c b/src/pixman/test/scaling-bench.c new file mode 100644 index 0000000..365e798 --- /dev/null +++ b/src/pixman/test/scaling-bench.c @@ -0,0 +1,80 @@ +#include <stdlib.h> +#include "utils.h" + +#define SOURCE_WIDTH 320 +#define SOURCE_HEIGHT 240 +#define TEST_REPEATS 3 + +static pixman_image_t * +make_source (void) +{ + size_t n_bytes = (SOURCE_WIDTH + 2) * (SOURCE_HEIGHT + 2) * 4; + uint32_t *data = malloc (n_bytes); + pixman_image_t *source; + + prng_randmemset (data, n_bytes, 0); + + source = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, SOURCE_WIDTH + 2, SOURCE_HEIGHT + 2, + data, + (SOURCE_WIDTH + 2) * 4); + + pixman_image_set_filter (source, PIXMAN_FILTER_BILINEAR, NULL, 0); + + return source; +} + +int +main () +{ + double scale; + pixman_image_t *src; + + prng_srand (23874); + + src = make_source (); + printf ("# %-6s %-22s %-14s %-12s\n", + "ratio", + "resolutions", + "time / ms", + "time per pixel / ns"); + for (scale = 0.1; scale < 10.005; scale += 0.01) + { + int i; + int dest_width = SOURCE_WIDTH * scale + 0.5; + int dest_height = SOURCE_HEIGHT * scale + 0.5; + int dest_byte_stride = (dest_width * 4 + 15) & ~15; + pixman_fixed_t s = (1 / scale) * 65536.0 + 0.5; + pixman_transform_t transform; + pixman_image_t *dest; + double t1, t2, t = -1; + uint32_t *dest_buf = aligned_malloc (16, dest_byte_stride * dest_height); + memset (dest_buf, 0, dest_byte_stride * dest_height); + + pixman_transform_init_scale (&transform, s, s); + pixman_image_set_transform (src, &transform); + + dest = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, dest_width, dest_height, dest_buf, dest_byte_stride); + + for (i = 0; i < TEST_REPEATS; i++) + { + t1 = gettime(); + pixman_image_composite ( + PIXMAN_OP_OVER, src, NULL, dest, + scale, scale, 0, 0, 0, 0, dest_width, dest_height); + t2 = gettime(); + if (t < 0 || t2 - t1 < t) + t = t2 - t1; + } + + printf ("%6.2f : %4dx%-4d => %4dx%-4d : %12.4f : %12.4f\n", + scale, SOURCE_WIDTH, SOURCE_HEIGHT, dest_width, dest_height, + t * 1000, (t / (dest_width * dest_height)) * 1000000000); + + pixman_image_unref (dest); + free (dest_buf); + } + + return 0; +} diff --git a/src/pixman/test/scaling-crash-test.c b/src/pixman/test/scaling-crash-test.c new file mode 100644 index 0000000..0dac892 --- /dev/null +++ b/src/pixman/test/scaling-crash-test.c @@ -0,0 +1,219 @@ +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "utils.h" + +/* + * We have a source image filled with solid color, set NORMAL or PAD repeat, + * and some transform which results in nearest neighbour scaling. + * + * The expected result is either that the destination image filled with this solid + * color or, if the transformation is such that we can't composite anything at + * all, that nothing has changed in the destination. + * + * The surrounding memory of the source image is a different solid color so that + * we are sure to get failures if we access it. + */ +static int +run_test (int32_t dst_width, + int32_t dst_height, + int32_t src_width, + int32_t src_height, + int32_t src_x, + int32_t src_y, + int32_t scale_x, + int32_t scale_y, + pixman_filter_t filter, + pixman_repeat_t repeat) +{ + pixman_image_t * src_img; + pixman_image_t * dst_img; + pixman_transform_t transform; + uint32_t * srcbuf; + uint32_t * dstbuf; + pixman_color_t color_cc = { 0xcccc, 0xcccc, 0xcccc, 0xcccc }; + pixman_image_t * solid; + int result; + int i; + + static const pixman_fixed_t kernel[] = + { +#define D(f) (pixman_double_to_fixed (f) + 0x0001) + + pixman_int_to_fixed (5), + pixman_int_to_fixed (5), + D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), + D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), + D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), + D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), + D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0), D(1/25.0) + }; + + result = 0; + + srcbuf = (uint32_t *)malloc ((src_width + 10) * (src_height + 10) * 4); + dstbuf = (uint32_t *)malloc (dst_width * dst_height * 4); + + memset (srcbuf, 0x88, src_width * src_height * 4); + memset (dstbuf, 0x33, dst_width * dst_height * 4); + + src_img = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, src_width, src_height, + srcbuf + (src_width + 10) * 5 + 5, (src_width + 10) * 4); + + solid = pixman_image_create_solid_fill (&color_cc); + pixman_image_composite32 (PIXMAN_OP_SRC, solid, NULL, src_img, + 0, 0, 0, 0, 0, 0, src_width, src_height); + pixman_image_unref (solid); + + dst_img = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, dst_width, dst_height, dstbuf, dst_width * 4); + + pixman_transform_init_scale (&transform, scale_x, scale_y); + pixman_image_set_transform (src_img, &transform); + pixman_image_set_repeat (src_img, repeat); + if (filter == PIXMAN_FILTER_CONVOLUTION) + pixman_image_set_filter (src_img, filter, kernel, 27); + else + pixman_image_set_filter (src_img, filter, NULL, 0); + + pixman_image_composite (PIXMAN_OP_SRC, src_img, NULL, dst_img, + src_x, src_y, 0, 0, 0, 0, dst_width, dst_height); + + pixman_image_unref (src_img); + pixman_image_unref (dst_img); + + for (i = 0; i < dst_width * dst_height; i++) + { + if (dstbuf[i] != 0xCCCCCCCC && dstbuf[i] != 0x33333333) + { + result = 1; + break; + } + } + + free (srcbuf); + free (dstbuf); + return result; +} + +typedef struct filter_info_t filter_info_t; +struct filter_info_t +{ + pixman_filter_t value; + char name[28]; +}; + +static const filter_info_t filters[] = +{ + { PIXMAN_FILTER_NEAREST, "NEAREST" }, + { PIXMAN_FILTER_BILINEAR, "BILINEAR" }, + { PIXMAN_FILTER_CONVOLUTION, "CONVOLUTION" }, +}; + +typedef struct repeat_info_t repeat_info_t; +struct repeat_info_t +{ + pixman_repeat_t value; + char name[28]; +}; + + +static const repeat_info_t repeats[] = +{ + { PIXMAN_REPEAT_PAD, "PAD" }, + { PIXMAN_REPEAT_REFLECT, "REFLECT" }, + { PIXMAN_REPEAT_NORMAL, "NORMAL" } +}; + +static int +do_test (int32_t dst_size, + int32_t src_size, + int32_t src_offs, + int32_t scale_factor) +{ + int i, j; + + for (i = 0; i < ARRAY_LENGTH (filters); ++i) + { + for (j = 0; j < ARRAY_LENGTH (repeats); ++j) + { + /* horizontal test */ + if (run_test (dst_size, 1, + src_size, 1, + src_offs, 0, + scale_factor, 65536, + filters[i].value, + repeats[j].value) != 0) + { + printf ("Vertical test failed with %s filter and repeat mode %s\n", + filters[i].name, repeats[j].name); + + return 1; + } + + /* vertical test */ + if (run_test (1, dst_size, + 1, src_size, + 0, src_offs, + 65536, scale_factor, + filters[i].value, + repeats[j].value) != 0) + { + printf ("Vertical test failed with %s filter and repeat mode %s\n", + filters[i].name, repeats[j].name); + + return 1; + } + } + } + + return 0; +} + +int +main (int argc, char *argv[]) +{ + int i; + + pixman_disable_out_of_bounds_workaround (); + + /* can potentially crash */ + assert (do_test ( + 48000, 32767, 1, 65536 * 128) == 0); + + /* can potentially get into a deadloop */ + assert (do_test ( + 16384, 65536, 32, 32768) == 0); + + /* can potentially access memory outside source image buffer */ + assert (do_test ( + 10, 10, 0, 1) == 0); + assert (do_test ( + 10, 10, 0, 0) == 0); + + for (i = 0; i < 100; ++i) + { + pixman_fixed_t one_seventh = + (((pixman_fixed_48_16_t)pixman_fixed_1) << 16) / (7 << 16); + + assert (do_test ( + 1, 7, 3, one_seventh + i - 50) == 0); + } + + for (i = 0; i < 100; ++i) + { + pixman_fixed_t scale = + (((pixman_fixed_48_16_t)pixman_fixed_1) << 16) / (32767 << 16); + + assert (do_test ( + 1, 32767, 16383, scale + i - 50) == 0); + } + + /* can potentially provide invalid results (out of range matrix stuff) */ + assert (do_test ( + 48000, 32767, 16384, 65536 * 128) == 0); + + return 0; +} diff --git a/src/pixman/test/scaling-helpers-test.c b/src/pixman/test/scaling-helpers-test.c new file mode 100644 index 0000000..cd5ace0 --- /dev/null +++ b/src/pixman/test/scaling-helpers-test.c @@ -0,0 +1,92 @@ +#include <stdlib.h> +#include <stdio.h> +#include <assert.h> +#include "utils.h" +#include "pixman-inlines.h" + +/* A trivial reference implementation for + * 'bilinear_pad_repeat_get_scanline_bounds' + */ +static void +bilinear_pad_repeat_get_scanline_bounds_ref (int32_t source_image_width, + pixman_fixed_t vx_, + pixman_fixed_t unit_x, + int32_t * left_pad, + int32_t * left_tz, + int32_t * width, + int32_t * right_tz, + int32_t * right_pad) +{ + int w = *width; + int64_t vx = vx_; + *left_pad = 0; + *left_tz = 0; + *width = 0; + *right_tz = 0; + *right_pad = 0; + while (--w >= 0) + { + if (vx < 0) + { + if (vx + pixman_fixed_1 < 0) + *left_pad += 1; + else + *left_tz += 1; + } + else if (vx + pixman_fixed_1 >= pixman_int_to_fixed (source_image_width)) + { + if (vx >= pixman_int_to_fixed (source_image_width)) + *right_pad += 1; + else + *right_tz += 1; + } + else + { + *width += 1; + } + vx += unit_x; + } +} + +int +main (void) +{ + int i; + prng_srand (0); + for (i = 0; i < 10000; i++) + { + int32_t left_pad1, left_tz1, width1, right_tz1, right_pad1; + int32_t left_pad2, left_tz2, width2, right_tz2, right_pad2; + pixman_fixed_t vx = prng_rand_n(10000 << 16) - (3000 << 16); + int32_t width = prng_rand_n(10000); + int32_t source_image_width = prng_rand_n(10000) + 1; + pixman_fixed_t unit_x = prng_rand_n(10 << 16) + 1; + width1 = width2 = width; + + bilinear_pad_repeat_get_scanline_bounds_ref (source_image_width, + vx, + unit_x, + &left_pad1, + &left_tz1, + &width1, + &right_tz1, + &right_pad1); + + bilinear_pad_repeat_get_scanline_bounds (source_image_width, + vx, + unit_x, + &left_pad2, + &left_tz2, + &width2, + &right_tz2, + &right_pad2); + + assert (left_pad1 == left_pad2); + assert (left_tz1 == left_tz2); + assert (width1 == width2); + assert (right_tz1 == right_tz2); + assert (right_pad1 == right_pad2); + } + + return 0; +} diff --git a/src/pixman/test/scaling-test.c b/src/pixman/test/scaling-test.c new file mode 100644 index 0000000..e2f7fa9 --- /dev/null +++ b/src/pixman/test/scaling-test.c @@ -0,0 +1,402 @@ +/* + * Test program, which can detect some problems with nearest neighbour + * and bilinear scaling in pixman. Testing is done by running lots + * of random SRC and OVER compositing operations a8r8g8b8, x8a8r8g8b8 + * and r5g6b5 color formats. + * + * Script 'fuzzer-find-diff.pl' can be used to narrow down the problem in + * the case of test failure. + */ +#include <stdlib.h> +#include <stdio.h> +#include "utils.h" + +#define MAX_SRC_WIDTH 48 +#define MAX_SRC_HEIGHT 8 +#define MAX_DST_WIDTH 48 +#define MAX_DST_HEIGHT 8 +#define MAX_STRIDE 4 + +/* + * Composite operation with pseudorandom images + */ + +static pixman_format_code_t +get_format (int bpp) +{ + if (bpp == 4) + { + switch (prng_rand_n (4)) + { + default: + case 0: + return PIXMAN_a8r8g8b8; + case 1: + return PIXMAN_x8r8g8b8; + case 2: + return PIXMAN_a8b8g8r8; + case 3: + return PIXMAN_x8b8g8r8; + } + } + else + { + return PIXMAN_r5g6b5; + } +} + +uint32_t +test_composite (int testnum, + int verbose) +{ + int i; + pixman_image_t * src_img; + pixman_image_t * mask_img; + pixman_image_t * dst_img; + pixman_transform_t transform; + pixman_region16_t clip; + int src_width, src_height; + int mask_width, mask_height; + int dst_width, dst_height; + int src_stride, mask_stride, dst_stride; + int src_x, src_y; + int mask_x, mask_y; + int dst_x, dst_y; + int src_bpp; + int mask_bpp = 1; + int dst_bpp; + int w, h; + pixman_fixed_t scale_x = 65536, scale_y = 65536; + pixman_fixed_t translate_x = 0, translate_y = 0; + pixman_fixed_t mask_scale_x = 65536, mask_scale_y = 65536; + pixman_fixed_t mask_translate_x = 0, mask_translate_y = 0; + pixman_op_t op; + pixman_repeat_t repeat = PIXMAN_REPEAT_NONE; + pixman_repeat_t mask_repeat = PIXMAN_REPEAT_NONE; + pixman_format_code_t src_fmt, dst_fmt; + uint32_t * srcbuf; + uint32_t * dstbuf; + uint32_t * maskbuf; + uint32_t crc32; + FLOAT_REGS_CORRUPTION_DETECTOR_START (); + + prng_srand (testnum); + + src_bpp = (prng_rand_n (2) == 0) ? 2 : 4; + dst_bpp = (prng_rand_n (2) == 0) ? 2 : 4; + switch (prng_rand_n (3)) + { + case 0: + op = PIXMAN_OP_SRC; + break; + case 1: + op = PIXMAN_OP_OVER; + break; + default: + op = PIXMAN_OP_ADD; + break; + } + + src_width = prng_rand_n (MAX_SRC_WIDTH) + 1; + src_height = prng_rand_n (MAX_SRC_HEIGHT) + 1; + + if (prng_rand_n (2)) + { + mask_width = prng_rand_n (MAX_SRC_WIDTH) + 1; + mask_height = prng_rand_n (MAX_SRC_HEIGHT) + 1; + } + else + { + mask_width = mask_height = 1; + } + + dst_width = prng_rand_n (MAX_DST_WIDTH) + 1; + dst_height = prng_rand_n (MAX_DST_HEIGHT) + 1; + src_stride = src_width * src_bpp + prng_rand_n (MAX_STRIDE) * src_bpp; + mask_stride = mask_width * mask_bpp + prng_rand_n (MAX_STRIDE) * mask_bpp; + dst_stride = dst_width * dst_bpp + prng_rand_n (MAX_STRIDE) * dst_bpp; + + if (src_stride & 3) + src_stride += 2; + + if (mask_stride & 1) + mask_stride += 1; + if (mask_stride & 2) + mask_stride += 2; + + if (dst_stride & 3) + dst_stride += 2; + + src_x = -(src_width / 4) + prng_rand_n (src_width * 3 / 2); + src_y = -(src_height / 4) + prng_rand_n (src_height * 3 / 2); + mask_x = -(mask_width / 4) + prng_rand_n (mask_width * 3 / 2); + mask_y = -(mask_height / 4) + prng_rand_n (mask_height * 3 / 2); + dst_x = -(dst_width / 4) + prng_rand_n (dst_width * 3 / 2); + dst_y = -(dst_height / 4) + prng_rand_n (dst_height * 3 / 2); + w = prng_rand_n (dst_width * 3 / 2 - dst_x); + h = prng_rand_n (dst_height * 3 / 2 - dst_y); + + srcbuf = (uint32_t *)malloc (src_stride * src_height); + maskbuf = (uint32_t *)malloc (mask_stride * mask_height); + dstbuf = (uint32_t *)malloc (dst_stride * dst_height); + + prng_randmemset (srcbuf, src_stride * src_height, 0); + prng_randmemset (maskbuf, mask_stride * mask_height, 0); + prng_randmemset (dstbuf, dst_stride * dst_height, 0); + + src_fmt = get_format (src_bpp); + dst_fmt = get_format (dst_bpp); + + if (prng_rand_n (2)) + { + srcbuf += (src_stride / 4) * (src_height - 1); + src_stride = - src_stride; + } + + if (prng_rand_n (2)) + { + maskbuf += (mask_stride / 4) * (mask_height - 1); + mask_stride = - mask_stride; + } + + if (prng_rand_n (2)) + { + dstbuf += (dst_stride / 4) * (dst_height - 1); + dst_stride = - dst_stride; + } + + src_img = pixman_image_create_bits ( + src_fmt, src_width, src_height, srcbuf, src_stride); + + mask_img = pixman_image_create_bits ( + PIXMAN_a8, mask_width, mask_height, maskbuf, mask_stride); + + dst_img = pixman_image_create_bits ( + dst_fmt, dst_width, dst_height, dstbuf, dst_stride); + + image_endian_swap (src_img); + image_endian_swap (dst_img); + + if (prng_rand_n (4) > 0) + { + scale_x = -32768 * 3 + prng_rand_n (65536 * 5); + scale_y = -32768 * 3 + prng_rand_n (65536 * 5); + translate_x = prng_rand_n (65536); + translate_y = prng_rand_n (65536); + pixman_transform_init_scale (&transform, scale_x, scale_y); + pixman_transform_translate (&transform, NULL, translate_x, translate_y); + pixman_image_set_transform (src_img, &transform); + } + + if (prng_rand_n (2) > 0) + { + mask_scale_x = -32768 * 3 + prng_rand_n (65536 * 5); + mask_scale_y = -32768 * 3 + prng_rand_n (65536 * 5); + mask_translate_x = prng_rand_n (65536); + mask_translate_y = prng_rand_n (65536); + pixman_transform_init_scale (&transform, mask_scale_x, mask_scale_y); + pixman_transform_translate (&transform, NULL, mask_translate_x, mask_translate_y); + pixman_image_set_transform (mask_img, &transform); + } + + switch (prng_rand_n (4)) + { + case 0: + mask_repeat = PIXMAN_REPEAT_NONE; + break; + + case 1: + mask_repeat = PIXMAN_REPEAT_NORMAL; + break; + + case 2: + mask_repeat = PIXMAN_REPEAT_PAD; + break; + + case 3: + mask_repeat = PIXMAN_REPEAT_REFLECT; + break; + + default: + break; + } + pixman_image_set_repeat (mask_img, mask_repeat); + + switch (prng_rand_n (4)) + { + case 0: + repeat = PIXMAN_REPEAT_NONE; + break; + + case 1: + repeat = PIXMAN_REPEAT_NORMAL; + break; + + case 2: + repeat = PIXMAN_REPEAT_PAD; + break; + + case 3: + repeat = PIXMAN_REPEAT_REFLECT; + break; + + default: + break; + } + pixman_image_set_repeat (src_img, repeat); + + if (prng_rand_n (2)) + pixman_image_set_filter (src_img, PIXMAN_FILTER_NEAREST, NULL, 0); + else + pixman_image_set_filter (src_img, PIXMAN_FILTER_BILINEAR, NULL, 0); + + if (prng_rand_n (2)) + pixman_image_set_filter (mask_img, PIXMAN_FILTER_NEAREST, NULL, 0); + else + pixman_image_set_filter (mask_img, PIXMAN_FILTER_BILINEAR, NULL, 0); + + if (verbose) + { + printf ("src_fmt=%s, dst_fmt=%s\n", + format_name (src_fmt), format_name (dst_fmt)); + printf ("op=%s, scale_x=%d, scale_y=%d, repeat=%d\n", + operator_name (op), scale_x, scale_y, repeat); + printf ("translate_x=%d, translate_y=%d\n", + translate_x, translate_y); + printf ("src_width=%d, src_height=%d, dst_width=%d, dst_height=%d\n", + src_width, src_height, dst_width, dst_height); + printf ("src_x=%d, src_y=%d, dst_x=%d, dst_y=%d\n", + src_x, src_y, dst_x, dst_y); + printf ("w=%d, h=%d\n", w, h); + } + + if (prng_rand_n (8) == 0) + { + pixman_box16_t clip_boxes[2]; + int n = prng_rand_n (2) + 1; + + for (i = 0; i < n; i++) + { + clip_boxes[i].x1 = prng_rand_n (src_width); + clip_boxes[i].y1 = prng_rand_n (src_height); + clip_boxes[i].x2 = + clip_boxes[i].x1 + prng_rand_n (src_width - clip_boxes[i].x1); + clip_boxes[i].y2 = + clip_boxes[i].y1 + prng_rand_n (src_height - clip_boxes[i].y1); + + if (verbose) + { + printf ("source clip box: [%d,%d-%d,%d]\n", + clip_boxes[i].x1, clip_boxes[i].y1, + clip_boxes[i].x2, clip_boxes[i].y2); + } + } + + pixman_region_init_rects (&clip, clip_boxes, n); + pixman_image_set_clip_region (src_img, &clip); + pixman_image_set_source_clipping (src_img, 1); + pixman_region_fini (&clip); + } + + if (prng_rand_n (8) == 0) + { + pixman_box16_t clip_boxes[2]; + int n = prng_rand_n (2) + 1; + + for (i = 0; i < n; i++) + { + clip_boxes[i].x1 = prng_rand_n (mask_width); + clip_boxes[i].y1 = prng_rand_n (mask_height); + clip_boxes[i].x2 = + clip_boxes[i].x1 + prng_rand_n (mask_width - clip_boxes[i].x1); + clip_boxes[i].y2 = + clip_boxes[i].y1 + prng_rand_n (mask_height - clip_boxes[i].y1); + + if (verbose) + { + printf ("mask clip box: [%d,%d-%d,%d]\n", + clip_boxes[i].x1, clip_boxes[i].y1, + clip_boxes[i].x2, clip_boxes[i].y2); + } + } + + pixman_region_init_rects (&clip, clip_boxes, n); + pixman_image_set_clip_region (mask_img, &clip); + pixman_image_set_source_clipping (mask_img, 1); + pixman_region_fini (&clip); + } + + if (prng_rand_n (8) == 0) + { + pixman_box16_t clip_boxes[2]; + int n = prng_rand_n (2) + 1; + for (i = 0; i < n; i++) + { + clip_boxes[i].x1 = prng_rand_n (dst_width); + clip_boxes[i].y1 = prng_rand_n (dst_height); + clip_boxes[i].x2 = + clip_boxes[i].x1 + prng_rand_n (dst_width - clip_boxes[i].x1); + clip_boxes[i].y2 = + clip_boxes[i].y1 + prng_rand_n (dst_height - clip_boxes[i].y1); + + if (verbose) + { + printf ("destination clip box: [%d,%d-%d,%d]\n", + clip_boxes[i].x1, clip_boxes[i].y1, + clip_boxes[i].x2, clip_boxes[i].y2); + } + } + pixman_region_init_rects (&clip, clip_boxes, n); + pixman_image_set_clip_region (dst_img, &clip); + pixman_region_fini (&clip); + } + + if (prng_rand_n (2) == 0) + pixman_image_composite (op, src_img, NULL, dst_img, + src_x, src_y, 0, 0, dst_x, dst_y, w, h); + else + pixman_image_composite (op, src_img, mask_img, dst_img, + src_x, src_y, mask_x, mask_y, dst_x, dst_y, w, h); + + crc32 = compute_crc32_for_image (0, dst_img); + + if (verbose) + print_image (dst_img); + + pixman_image_unref (src_img); + pixman_image_unref (mask_img); + pixman_image_unref (dst_img); + + if (src_stride < 0) + srcbuf += (src_stride / 4) * (src_height - 1); + + if (mask_stride < 0) + maskbuf += (mask_stride / 4) * (mask_height - 1); + + if (dst_stride < 0) + dstbuf += (dst_stride / 4) * (dst_height - 1); + + free (srcbuf); + free (maskbuf); + free (dstbuf); + + FLOAT_REGS_CORRUPTION_DETECTOR_FINISH (); + return crc32; +} + +#if BILINEAR_INTERPOLATION_BITS == 7 +#define CHECKSUM 0x92E0F068 +#elif BILINEAR_INTERPOLATION_BITS == 4 +#define CHECKSUM 0x8EFFA1E5 +#else +#define CHECKSUM 0x00000000 +#endif + +int +main (int argc, const char *argv[]) +{ + pixman_disable_out_of_bounds_workaround (); + + return fuzzer_test_main("scaling", 8000000, CHECKSUM, + test_composite, argc, argv); +} diff --git a/src/pixman/test/stress-test.c b/src/pixman/test/stress-test.c new file mode 100644 index 0000000..1f03c75 --- /dev/null +++ b/src/pixman/test/stress-test.c @@ -0,0 +1,1040 @@ +#include <stdio.h> +#include <stdlib.h> +#include "utils.h" +#include <sys/types.h> + +#if 0 +#define fence_malloc malloc +#define fence_free free +#define make_random_bytes malloc +#endif + +static const pixman_format_code_t image_formats[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_x8r8g8b8, + PIXMAN_r5g6b5, + PIXMAN_r3g3b2, + PIXMAN_a8, + PIXMAN_a8b8g8r8, + PIXMAN_x8b8g8r8, + PIXMAN_b8g8r8a8, + PIXMAN_b8g8r8x8, + PIXMAN_r8g8b8a8, + PIXMAN_r8g8b8x8, + PIXMAN_x14r6g6b6, + PIXMAN_r8g8b8, + PIXMAN_b8g8r8, + PIXMAN_a8r8g8b8_sRGB, + PIXMAN_r5g6b5, + PIXMAN_b5g6r5, + PIXMAN_x2r10g10b10, + PIXMAN_a2r10g10b10, + PIXMAN_x2b10g10r10, + PIXMAN_a2b10g10r10, + PIXMAN_a1r5g5b5, + PIXMAN_x1r5g5b5, + PIXMAN_a1b5g5r5, + PIXMAN_x1b5g5r5, + PIXMAN_a4r4g4b4, + PIXMAN_x4r4g4b4, + PIXMAN_a4b4g4r4, + PIXMAN_x4b4g4r4, + PIXMAN_a8, + PIXMAN_r3g3b2, + PIXMAN_b2g3r3, + PIXMAN_a2r2g2b2, + PIXMAN_a2b2g2r2, + PIXMAN_c8, + PIXMAN_g8, + PIXMAN_x4c4, + PIXMAN_x4g4, + PIXMAN_c4, + PIXMAN_g4, + PIXMAN_g1, + PIXMAN_x4a4, + PIXMAN_a4, + PIXMAN_r1g2b1, + PIXMAN_b1g2r1, + PIXMAN_a1r1g1b1, + PIXMAN_a1b1g1r1, + PIXMAN_a1 +}; + +static pixman_filter_t filters[] = +{ + PIXMAN_FILTER_NEAREST, + PIXMAN_FILTER_BILINEAR, + PIXMAN_FILTER_FAST, + PIXMAN_FILTER_GOOD, + PIXMAN_FILTER_BEST, + PIXMAN_FILTER_CONVOLUTION +}; + +static int +get_size (void) +{ + switch (prng_rand_n (28)) + { + case 0: + return 1; + + case 1: + return 2; + + default: + case 2: + return prng_rand_n (100); + + case 4: + return prng_rand_n (2000) + 1000; + + case 5: + return 65535; + + case 6: + return 65536; + + case 7: + return prng_rand_n (64000) + 63000; + } +} + +static void +destroy (pixman_image_t *image, void *data) +{ + if (image->type == BITS && image->bits.free_me != image->bits.bits) + { + uint32_t *bits; + + if (image->bits.bits != (void *)0x01) + { + bits = image->bits.bits; + + if (image->bits.rowstride < 0) + bits -= (- image->bits.rowstride * (image->bits.height - 1)); + + fence_free (bits); + } + } + + free (data); +} + +static uint32_t +real_reader (const void *src, int size) +{ + switch (size) + { + case 1: + return *(uint8_t *)src; + case 2: + return *(uint16_t *)src; + case 4: + return *(uint32_t *)src; + default: + assert (0); + return 0; /* silence MSVC */ + } +} + +static void +real_writer (void *src, uint32_t value, int size) +{ + switch (size) + { + case 1: + *(uint8_t *)src = value; + break; + + case 2: + *(uint16_t *)src = value; + break; + + case 4: + *(uint32_t *)src = value; + break; + + default: + assert (0); + break; + } +} + +static uint32_t +fake_reader (const void *src, int size) +{ + uint32_t r = prng_rand (); + + assert (size == 1 || size == 2 || size == 4); + + return r >> (32 - (size * 8)); +} + +static void +fake_writer (void *src, uint32_t value, int size) +{ + assert (size == 1 || size == 2 || size == 4); +} + +static int32_t +log_rand (void) +{ + uint32_t mask; + + mask = (1 << prng_rand_n (10)) - 1; + + return (prng_rand () & mask) - (mask >> 1); +} + +static int32_t +rand_x (pixman_image_t *image) +{ + if (image->type == BITS) + return prng_rand_n (image->bits.width); + else + return log_rand (); +} + +static int32_t +rand_y (pixman_image_t *image) +{ + if (image->type == BITS) + return prng_rand_n (image->bits.height); + else + return log_rand (); +} + +typedef enum +{ + DONT_CARE, + PREFER_ALPHA, + REQUIRE_ALPHA +} alpha_preference_t; + +static pixman_format_code_t +random_format (alpha_preference_t alpha) +{ + pixman_format_code_t format; + int n = prng_rand_n (ARRAY_LENGTH (image_formats)); + + if (alpha >= PREFER_ALPHA && + (alpha == REQUIRE_ALPHA || prng_rand_n (4) != 0)) + { + do + { + format = image_formats[n++ % ARRAY_LENGTH (image_formats)]; + } while (PIXMAN_FORMAT_TYPE (format) != PIXMAN_TYPE_A); + } + else + { + format = image_formats[n]; + } + + return format; +} + +static pixman_image_t * +create_random_bits_image (alpha_preference_t alpha_preference) +{ + pixman_format_code_t format; + pixman_indexed_t *indexed; + pixman_image_t *image; + int width, height, stride; + uint32_t *bits; + pixman_read_memory_func_t read_func = NULL; + pixman_write_memory_func_t write_func = NULL; + pixman_filter_t filter; + pixman_fixed_t *coefficients = NULL; + int n_coefficients = 0; + + /* format */ + format = random_format (alpha_preference); + + indexed = NULL; + if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_COLOR) + { + indexed = malloc (sizeof (pixman_indexed_t)); + + initialize_palette (indexed, PIXMAN_FORMAT_BPP (format), TRUE); + } + else if (PIXMAN_FORMAT_TYPE (format) == PIXMAN_TYPE_GRAY) + { + indexed = malloc (sizeof (pixman_indexed_t)); + + initialize_palette (indexed, PIXMAN_FORMAT_BPP (format), FALSE); + } + else + { + indexed = NULL; + } + + /* size */ + width = get_size (); + height = get_size (); + + while ((uint64_t)width * height > 200000) + { + if (prng_rand_n(2) == 0) + height = 200000 / width; + else + width = 200000 / height; + } + + if (height == 0) + height = 1; + if (width == 0) + width = 1; + + /* bits */ + switch (prng_rand_n (7)) + { + default: + case 0: + stride = width * PIXMAN_FORMAT_BPP (format) + prng_rand_n (17); + stride = (stride + 3) & (~3); + bits = (uint32_t *)make_random_bytes (height * stride); + break; + + case 1: + stride = 0; + bits = NULL; + break; + + case 2: /* Zero-filled */ + stride = width * PIXMAN_FORMAT_BPP (format) + prng_rand_n (17); + stride = (stride + 3) & (~3); + bits = fence_malloc (height * stride); + if (!bits) + return NULL; + memset (bits, 0, height * stride); + break; + + case 3: /* Filled with 0xFF */ + stride = width * PIXMAN_FORMAT_BPP (format) + prng_rand_n (17); + stride = (stride + 3) & (~3); + bits = fence_malloc (height * stride); + if (!bits) + return NULL; + memset (bits, 0xff, height * stride); + break; + + case 4: /* bits is a bad pointer, has read/write functions */ + stride = 232; + bits = (void *)0x01; + read_func = fake_reader; + write_func = fake_writer; + break; + + case 5: /* bits is a real pointer, has read/write functions */ + stride = width * PIXMAN_FORMAT_BPP (format) + prng_rand_n (17); + stride = (stride + 3) & (~3); + bits = fence_malloc (height * stride); + if (!bits) + return NULL; + memset (bits, 0xff, height * stride); + read_func = real_reader; + write_func = real_writer; + break; + + case 6: /* bits is a real pointer, stride is negative */ + stride = (width * PIXMAN_FORMAT_BPP (format) + prng_rand_n (17)); + stride = (stride + 3) & (~3); + bits = (uint32_t *)make_random_bytes (height * stride); + if (!bits) + return NULL; + bits += ((height - 1) * stride) / 4; + stride = - stride; + break; + } + + /* Filter */ + filter = filters[prng_rand_n (ARRAY_LENGTH (filters))]; + if (filter == PIXMAN_FILTER_CONVOLUTION) + { + int width = prng_rand_n (3); + int height = prng_rand_n (4); + + n_coefficients = width * height + 2; + coefficients = malloc (n_coefficients * sizeof (pixman_fixed_t)); + + if (coefficients) + { + int i; + + for (i = 0; i < width * height; ++i) + coefficients[i + 2] = prng_rand(); + + coefficients[0] = width << 16; + coefficients[1] = height << 16; + } + else + { + filter = PIXMAN_FILTER_BEST; + } + } + + /* Finally create the image */ + image = pixman_image_create_bits (format, width, height, bits, stride); + if (!image) + return NULL; + + pixman_image_set_indexed (image, indexed); + pixman_image_set_destroy_function (image, destroy, indexed); + pixman_image_set_accessors (image, read_func, write_func); + pixman_image_set_filter (image, filter, coefficients, n_coefficients); + + return image; +} + +static pixman_repeat_t repeats[] = +{ + PIXMAN_REPEAT_NONE, + PIXMAN_REPEAT_NORMAL, + PIXMAN_REPEAT_REFLECT, + PIXMAN_REPEAT_PAD +}; + +static uint32_t +absolute (int32_t i) +{ + return i < 0? -i : i; +} + +static void +set_general_properties (pixman_image_t *image, pixman_bool_t allow_alpha_map) +{ + pixman_repeat_t repeat; + + /* Set properties that are generic to all images */ + + /* Repeat */ + repeat = repeats[prng_rand_n (ARRAY_LENGTH (repeats))]; + pixman_image_set_repeat (image, repeat); + + /* Alpha map */ + if (allow_alpha_map && prng_rand_n (4) == 0) + { + pixman_image_t *alpha_map; + int16_t x, y; + + alpha_map = create_random_bits_image (DONT_CARE); + + if (alpha_map) + { + set_general_properties (alpha_map, FALSE); + + x = rand_x (image) - image->bits.width / 2; + y = rand_y (image) - image->bits.height / 2; + + pixman_image_set_alpha_map (image, alpha_map, x, y); + + pixman_image_unref (alpha_map); + } + } + + /* Component alpha */ + pixman_image_set_component_alpha (image, prng_rand_n (3) == 0); + + /* Clip region */ + if (prng_rand_n (8) < 2) + { + pixman_region32_t region; + int i, n_rects; + + pixman_region32_init (®ion); + + switch (prng_rand_n (12)) + { + case 0: + n_rects = 0; + break; + + case 1: case 2: case 3: + n_rects = 1; + break; + + case 4: case 5: + n_rects = 2; + break; + + case 6: case 7: + n_rects = 3; + break; + + default: + n_rects = prng_rand_n (100); + break; + } + + for (i = 0; i < n_rects; ++i) + { + uint32_t width, height; + int x, y; + + x = log_rand(); + y = log_rand(); + width = absolute (log_rand ()) + 1; + height = absolute (log_rand ()) + 1; + + pixman_region32_union_rect ( + ®ion, ®ion, x, y, width, height); + } + + if (image->type == BITS && prng_rand_n (8) != 0) + { + uint32_t width, height; + int x, y; + int i; + + /* Also add a couple of clip rectangles inside the image + * so that compositing will actually take place. + */ + for (i = 0; i < 5; ++i) + { + x = prng_rand_n (2 * image->bits.width) - image->bits.width; + y = prng_rand_n (2 * image->bits.height) - image->bits.height; + width = prng_rand_n (image->bits.width) - x + 10; + height = prng_rand_n (image->bits.height) - y + 10; + + if (width + x < x) + width = INT32_MAX - x; + if (height + y < y) + height = INT32_MAX - y; + + pixman_region32_union_rect ( + ®ion, ®ion, x, y, width, height); + } + } + + pixman_image_set_clip_region32 (image, ®ion); + + pixman_region32_fini (®ion); + } + + /* Whether source clipping is enabled */ + pixman_image_set_source_clipping (image, !!prng_rand_n (2)); + + /* Client clip */ + pixman_image_set_has_client_clip (image, !!prng_rand_n (2)); + + /* Transform */ + if (prng_rand_n (5) < 2) + { + pixman_transform_t xform; + int i, j, k; + uint32_t tx, ty, sx, sy; + uint32_t c, s; + + memset (&xform, 0, sizeof xform); + xform.matrix[0][0] = pixman_fixed_1; + xform.matrix[1][1] = pixman_fixed_1; + xform.matrix[2][2] = pixman_fixed_1; + + for (k = 0; k < 3; ++k) + { + switch (prng_rand_n (4)) + { + case 0: + /* rotation */ + c = prng_rand_n (2 * 65536) - 65536; + s = prng_rand_n (2 * 65536) - 65536; + pixman_transform_rotate (&xform, NULL, c, s); + break; + + case 1: + /* translation */ + tx = prng_rand(); + ty = prng_rand(); + pixman_transform_translate (&xform, NULL, tx, ty); + break; + + case 2: + /* scale */ + sx = prng_rand(); + sy = prng_rand(); + pixman_transform_scale (&xform, NULL, sx, sy); + break; + + case 3: + if (prng_rand_n (16) == 0) + { + /* random */ + for (i = 0; i < 3; ++i) + for (j = 0; j < 3; ++j) + xform.matrix[i][j] = prng_rand(); + break; + } + else if (prng_rand_n (16) == 0) + { + /* zero */ + memset (&xform, 0, sizeof xform); + } + break; + } + } + + pixman_image_set_transform (image, &xform); + } +} + +static pixman_color_t +random_color (void) +{ + pixman_color_t color = + { + prng_rand() & 0xffff, + prng_rand() & 0xffff, + prng_rand() & 0xffff, + prng_rand() & 0xffff, + }; + + return color; +} + + +static pixman_image_t * +create_random_solid_image (void) +{ + pixman_color_t color = random_color(); + pixman_image_t *image = pixman_image_create_solid_fill (&color); + + return image; +} + +static pixman_gradient_stop_t * +create_random_stops (int *n_stops) +{ + pixman_fixed_t step; + pixman_fixed_t s; + int i; + pixman_gradient_stop_t *stops; + + *n_stops = prng_rand_n (50) + 1; + + step = pixman_fixed_1 / *n_stops; + + stops = malloc (*n_stops * sizeof (pixman_gradient_stop_t)); + + s = 0; + for (i = 0; i < (*n_stops) - 1; ++i) + { + stops[i].x = s; + stops[i].color = random_color(); + + s += step; + } + + stops[*n_stops - 1].x = pixman_fixed_1; + stops[*n_stops - 1].color = random_color(); + + return stops; +} + +static pixman_point_fixed_t +create_random_point (void) +{ + pixman_point_fixed_t p; + + p.x = log_rand (); + p.y = log_rand (); + + return p; +} + +static pixman_image_t * +create_random_linear_image (void) +{ + int n_stops; + pixman_gradient_stop_t *stops; + pixman_point_fixed_t p1, p2; + pixman_image_t *result; + + stops = create_random_stops (&n_stops); + if (!stops) + return NULL; + + p1 = create_random_point (); + p2 = create_random_point (); + + result = pixman_image_create_linear_gradient (&p1, &p2, stops, n_stops); + + free (stops); + + return result; +} + +static pixman_image_t * +create_random_radial_image (void) +{ + int n_stops; + pixman_gradient_stop_t *stops; + pixman_point_fixed_t inner_c, outer_c; + pixman_fixed_t inner_r, outer_r; + pixman_image_t *result; + + inner_c = create_random_point(); + outer_c = create_random_point(); + inner_r = prng_rand(); + outer_r = prng_rand(); + + stops = create_random_stops (&n_stops); + + if (!stops) + return NULL; + + result = pixman_image_create_radial_gradient ( + &inner_c, &outer_c, inner_r, outer_r, stops, n_stops); + + free (stops); + + return result; +} + +static pixman_image_t * +create_random_conical_image (void) +{ + pixman_gradient_stop_t *stops; + int n_stops; + pixman_point_fixed_t c; + pixman_fixed_t angle; + pixman_image_t *result; + + c = create_random_point(); + angle = prng_rand(); + + stops = create_random_stops (&n_stops); + + if (!stops) + return NULL; + + result = pixman_image_create_conical_gradient (&c, angle, stops, n_stops); + + free (stops); + + return result; +} + +static pixman_image_t * +create_random_image (void) +{ + pixman_image_t *result; + + switch (prng_rand_n (5)) + { + default: + case 0: + result = create_random_bits_image (DONT_CARE); + break; + + case 1: + result = create_random_solid_image (); + break; + + case 2: + result = create_random_linear_image (); + break; + + case 3: + result = create_random_radial_image (); + break; + + case 4: + result = create_random_conical_image (); + break; + } + + if (result) + set_general_properties (result, TRUE); + + return result; +} + +static void +random_line (pixman_line_fixed_t *line, int width, int height) +{ + line->p1.x = prng_rand_n (width) << 16; + line->p1.y = prng_rand_n (height) << 16; + line->p2.x = prng_rand_n (width) << 16; + line->p2.y = prng_rand_n (height) << 16; +} + +static pixman_trapezoid_t * +create_random_trapezoids (int *n_traps, int height, int width) +{ + pixman_trapezoid_t *trapezoids; + int i; + + *n_traps = prng_rand_n (16) + 1; + + trapezoids = malloc (sizeof (pixman_trapezoid_t) * *n_traps); + + for (i = 0; i < *n_traps; ++i) + { + pixman_trapezoid_t *t = &(trapezoids[i]); + + t->top = prng_rand_n (height) << 16; + t->bottom = prng_rand_n (height) << 16; + + random_line (&t->left, height, width); + random_line (&t->right, height, width); + } + + return trapezoids; +} + +static const pixman_op_t op_list[] = +{ + PIXMAN_OP_SRC, + PIXMAN_OP_OVER, + PIXMAN_OP_ADD, + PIXMAN_OP_CLEAR, + PIXMAN_OP_SRC, + PIXMAN_OP_DST, + PIXMAN_OP_OVER, + PIXMAN_OP_OVER_REVERSE, + PIXMAN_OP_IN, + PIXMAN_OP_IN_REVERSE, + PIXMAN_OP_OUT, + PIXMAN_OP_OUT_REVERSE, + PIXMAN_OP_ATOP, + PIXMAN_OP_ATOP_REVERSE, + PIXMAN_OP_XOR, + PIXMAN_OP_ADD, + PIXMAN_OP_SATURATE, + PIXMAN_OP_DISJOINT_CLEAR, + PIXMAN_OP_DISJOINT_SRC, + PIXMAN_OP_DISJOINT_DST, + PIXMAN_OP_DISJOINT_OVER, + PIXMAN_OP_DISJOINT_OVER_REVERSE, + PIXMAN_OP_DISJOINT_IN, + PIXMAN_OP_DISJOINT_IN_REVERSE, + PIXMAN_OP_DISJOINT_OUT, + PIXMAN_OP_DISJOINT_OUT_REVERSE, + PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_OP_DISJOINT_ATOP_REVERSE, + PIXMAN_OP_DISJOINT_XOR, + PIXMAN_OP_CONJOINT_CLEAR, + PIXMAN_OP_CONJOINT_SRC, + PIXMAN_OP_CONJOINT_DST, + PIXMAN_OP_CONJOINT_OVER, + PIXMAN_OP_CONJOINT_OVER_REVERSE, + PIXMAN_OP_CONJOINT_IN, + PIXMAN_OP_CONJOINT_IN_REVERSE, + PIXMAN_OP_CONJOINT_OUT, + PIXMAN_OP_CONJOINT_OUT_REVERSE, + PIXMAN_OP_CONJOINT_ATOP, + PIXMAN_OP_CONJOINT_ATOP_REVERSE, + PIXMAN_OP_CONJOINT_XOR, + PIXMAN_OP_MULTIPLY, + PIXMAN_OP_SCREEN, + PIXMAN_OP_OVERLAY, + PIXMAN_OP_DARKEN, + PIXMAN_OP_LIGHTEN, + PIXMAN_OP_COLOR_DODGE, + PIXMAN_OP_COLOR_BURN, + PIXMAN_OP_HARD_LIGHT, + PIXMAN_OP_DIFFERENCE, + PIXMAN_OP_EXCLUSION, + PIXMAN_OP_SOFT_LIGHT, + PIXMAN_OP_HSL_HUE, + PIXMAN_OP_HSL_SATURATION, + PIXMAN_OP_HSL_COLOR, + PIXMAN_OP_HSL_LUMINOSITY, +}; + +static void +run_test (uint32_t seed, pixman_bool_t verbose, uint32_t mod) +{ + pixman_image_t *source, *mask, *dest; + pixman_op_t op; + + if (verbose) + { + if (mod == 0 || (seed % mod) == 0) + printf ("Seed 0x%08x\n", seed); + } + + source = mask = dest = NULL; + + prng_srand (seed); + + if (prng_rand_n (8) == 0) + { + int n_traps; + pixman_trapezoid_t *trapezoids; + int p = prng_rand_n (3); + + if (p == 0) + dest = create_random_bits_image (DONT_CARE); + else + dest = create_random_bits_image (REQUIRE_ALPHA); + + if (!dest) + goto out; + + set_general_properties (dest, TRUE); + + if (!(trapezoids = create_random_trapezoids ( + &n_traps, dest->bits.width, dest->bits.height))) + { + goto out; + } + + switch (p) + { + case 0: + source = create_random_image (); + + if (source) + { + op = op_list [prng_rand_n (ARRAY_LENGTH (op_list))]; + + pixman_composite_trapezoids ( + op, source, dest, + random_format (REQUIRE_ALPHA), + rand_x (source), rand_y (source), + rand_x (dest), rand_y (dest), + n_traps, trapezoids); + } + break; + + case 1: + pixman_rasterize_trapezoid ( + dest, &trapezoids[prng_rand_n (n_traps)], + rand_x (dest), rand_y (dest)); + break; + + case 2: + pixman_add_trapezoids ( + dest, rand_x (dest), rand_y (dest), n_traps, trapezoids); + break; + } + + free (trapezoids); + } + else + { + dest = create_random_bits_image (DONT_CARE); + source = create_random_image (); + mask = create_random_image (); + + if (source && mask && dest) + { + set_general_properties (dest, TRUE); + + op = op_list [prng_rand_n (ARRAY_LENGTH (op_list))]; + + pixman_image_composite32 (op, + source, mask, dest, + rand_x (source), rand_y (source), + rand_x (mask), rand_y (mask), + 0, 0, + dest->bits.width, + dest->bits.height); + } + } + +out: + if (source) + pixman_image_unref (source); + if (mask) + pixman_image_unref (mask); + if (dest) + pixman_image_unref (dest); +} + +static pixman_bool_t +get_int (char *s, uint32_t *i) +{ + char *end; + int p; + + p = strtol (s, &end, 0); + + if (end != s && *end == 0) + { + *i = p; + return TRUE; + } + + return FALSE; +} + +int +main (int argc, char **argv) +{ + int verbose = FALSE; + uint32_t seed = 1; + uint32_t n_tests = 8000; + uint32_t mod = 0; + pixman_bool_t use_threads = TRUE; + int32_t i; + + pixman_disable_out_of_bounds_workaround (); + + enable_divbyzero_exceptions(); + + if (getenv ("VERBOSE") != NULL) + verbose = TRUE; + + for (i = 1; i < argc; ++i) + { + if (strcmp (argv[i], "-v") == 0) + { + verbose = TRUE; + + if (i + 1 < argc) + { + get_int (argv[i + 1], &mod); + i++; + } + } + else if (strcmp (argv[i], "-s") == 0 && i + 1 < argc) + { + get_int (argv[i + 1], &seed); + use_threads = FALSE; + i++; + } + else if (strcmp (argv[i], "-n") == 0 && i + 1 < argc) + { + get_int (argv[i + 1], &n_tests); + i++; + } + else + { + if (strcmp (argv[i], "-h") != 0) + printf ("Unknown option '%s'\n\n", argv[i]); + + printf ("Options:\n\n" + "-n <number> Number of tests to run\n" + "-s <seed> Seed of first test (ignored if PIXMAN_RANDOMIZE_TESTS is set)\n" + "-v Print out seeds\n" + "-v <n> Print out every n'th seed\n\n"); + + exit (-1); + } + } + + if (getenv ("PIXMAN_RANDOMIZE_TESTS")) + { + seed = get_random_seed(); + printf ("First seed: 0x%08x\n", seed); + } + + if (use_threads) + { +#ifdef USE_OPENMP +# pragma omp parallel for default(none) shared(verbose, n_tests, mod, seed) +#endif + for (i = 0; i < (int32_t)n_tests; ++i) + run_test (seed + i, verbose, mod); + } + else + { + for (i = 0; i < (int32_t)n_tests; ++i) + run_test (seed + i, verbose, mod); + } + + return 0; +} diff --git a/src/pixman/test/thread-test.c b/src/pixman/test/thread-test.c new file mode 100644 index 0000000..0b07b26 --- /dev/null +++ b/src/pixman/test/thread-test.c @@ -0,0 +1,199 @@ +#include "utils.h" + +#ifndef HAVE_PTHREADS + +int main () +{ + printf ("Skipped thread-test - pthreads not supported\n"); + return 0; +} + +#else + +#include <stdlib.h> +#include <pthread.h> + +typedef struct +{ + int thread_no; + uint32_t *dst_buf; + prng_t prng_state; +} info_t; + +static const pixman_op_t operators[] = +{ + PIXMAN_OP_SRC, + PIXMAN_OP_OVER, + PIXMAN_OP_ADD, + PIXMAN_OP_CLEAR, + PIXMAN_OP_SRC, + PIXMAN_OP_DST, + PIXMAN_OP_OVER, + PIXMAN_OP_OVER_REVERSE, + PIXMAN_OP_IN, + PIXMAN_OP_IN_REVERSE, + PIXMAN_OP_OUT, + PIXMAN_OP_OUT_REVERSE, + PIXMAN_OP_ATOP, + PIXMAN_OP_ATOP_REVERSE, + PIXMAN_OP_XOR, + PIXMAN_OP_ADD, + PIXMAN_OP_SATURATE, + PIXMAN_OP_DISJOINT_CLEAR, + PIXMAN_OP_DISJOINT_SRC, + PIXMAN_OP_DISJOINT_DST, + PIXMAN_OP_DISJOINT_OVER, + PIXMAN_OP_DISJOINT_OVER_REVERSE, + PIXMAN_OP_DISJOINT_IN, + PIXMAN_OP_DISJOINT_IN_REVERSE, + PIXMAN_OP_DISJOINT_OUT, + PIXMAN_OP_DISJOINT_OUT_REVERSE, + PIXMAN_OP_DISJOINT_ATOP, + PIXMAN_OP_DISJOINT_ATOP_REVERSE, + PIXMAN_OP_DISJOINT_XOR, + PIXMAN_OP_CONJOINT_CLEAR, + PIXMAN_OP_CONJOINT_SRC, + PIXMAN_OP_CONJOINT_DST, + PIXMAN_OP_CONJOINT_OVER, + PIXMAN_OP_CONJOINT_OVER_REVERSE, + PIXMAN_OP_CONJOINT_IN, + PIXMAN_OP_CONJOINT_IN_REVERSE, + PIXMAN_OP_CONJOINT_OUT, + PIXMAN_OP_CONJOINT_OUT_REVERSE, + PIXMAN_OP_CONJOINT_ATOP, + PIXMAN_OP_CONJOINT_ATOP_REVERSE, + PIXMAN_OP_CONJOINT_XOR, + PIXMAN_OP_MULTIPLY, + PIXMAN_OP_SCREEN, + PIXMAN_OP_OVERLAY, + PIXMAN_OP_DARKEN, + PIXMAN_OP_LIGHTEN, + PIXMAN_OP_COLOR_DODGE, + PIXMAN_OP_COLOR_BURN, + PIXMAN_OP_HARD_LIGHT, + PIXMAN_OP_DIFFERENCE, + PIXMAN_OP_EXCLUSION, +}; + +static const pixman_format_code_t formats[] = +{ + PIXMAN_a8r8g8b8, + PIXMAN_r5g6b5, + PIXMAN_a8, + PIXMAN_a4, + PIXMAN_a1, + PIXMAN_b5g6r5, + PIXMAN_r8g8b8a8, + PIXMAN_a4r4g4b4 +}; + +#define N_ROUNDS 8192 + +#define RAND_ELT(arr) \ + arr[prng_rand_r(&info->prng_state) % ARRAY_LENGTH (arr)] + +#define DEST_WIDTH (7) + +static void * +thread (void *data) +{ + info_t *info = data; + uint32_t crc32 = 0x0; + uint32_t src_buf[64]; + pixman_image_t *dst_img, *src_img; + int i; + + prng_srand_r (&info->prng_state, info->thread_no); + + for (i = 0; i < N_ROUNDS; ++i) + { + pixman_op_t op; + int rand1, rand2; + + prng_randmemset_r (&info->prng_state, info->dst_buf, + DEST_WIDTH * sizeof (uint32_t), 0); + prng_randmemset_r (&info->prng_state, src_buf, + sizeof (src_buf), 0); + + src_img = pixman_image_create_bits ( + RAND_ELT (formats), 4, 4, src_buf, 16); + dst_img = pixman_image_create_bits ( + RAND_ELT (formats), DEST_WIDTH, 1, info->dst_buf, + DEST_WIDTH * sizeof (uint32_t)); + + image_endian_swap (src_img); + image_endian_swap (dst_img); + + rand2 = prng_rand_r (&info->prng_state) % 4; + rand1 = prng_rand_r (&info->prng_state) % 4; + op = RAND_ELT (operators); + + pixman_image_composite32 ( + op, + src_img, NULL, dst_img, + rand1, rand2, 0, 0, 0, 0, DEST_WIDTH, 1); + + crc32 = compute_crc32_for_image (crc32, dst_img); + + pixman_image_unref (src_img); + pixman_image_unref (dst_img); + } + + return (void *)(uintptr_t)crc32; +} + +static inline uint32_t +byteswap32 (uint32_t x) +{ + return ((x & ((uint32_t)0xFF << 24)) >> 24) | + ((x & ((uint32_t)0xFF << 16)) >> 8) | + ((x & ((uint32_t)0xFF << 8)) << 8) | + ((x & ((uint32_t)0xFF << 0)) << 24); +} + +int +main (void) +{ + uint32_t dest[16 * DEST_WIDTH]; + info_t info[16] = { { 0 } }; + pthread_t threads[16]; + void *retvals[16]; + uint32_t crc32s[16], crc32; + int i; + + for (i = 0; i < 16; ++i) + { + info[i].thread_no = i; + info[i].dst_buf = &dest[i * DEST_WIDTH]; + } + + for (i = 0; i < 16; ++i) + pthread_create (&threads[i], NULL, thread, &info[i]); + + for (i = 0; i < 16; ++i) + pthread_join (threads[i], &retvals[i]); + + for (i = 0; i < 16; ++i) + { + crc32s[i] = (uintptr_t)retvals[i]; + + if (is_little_endian()) + crc32s[i] = byteswap32 (crc32s[i]); + } + + crc32 = compute_crc32 (0, crc32s, sizeof crc32s); + +#define EXPECTED 0xE299B18E + + if (crc32 != EXPECTED) + { + printf ("thread-test failed. Got checksum 0x%08X, expected 0x%08X\n", + crc32, EXPECTED); + return 1; + } + + return 0; +} + +#endif + diff --git a/src/pixman/test/trap-crasher.c b/src/pixman/test/trap-crasher.c new file mode 100644 index 0000000..77be1c9 --- /dev/null +++ b/src/pixman/test/trap-crasher.c @@ -0,0 +1,39 @@ +#include <stdlib.h> +#include "utils.h" + +int +main() +{ + pixman_image_t *dst; + pixman_trapezoid_t traps[] = { + { + 2147483646, + 2147483647, + { + { 0, 0 }, + { 0, 2147483647 } + }, + { + { 65536, 0 }, + { 0, 2147483647 } + } + }, + { + 32768, + - 2147483647, + { + { 0, 0 }, + { 0, 2147483647 } + }, + { + { 65536, 0 }, + { 0, 2147483647 } + } + }, + }; + + dst = pixman_image_create_bits (PIXMAN_a8, 1, 1, NULL, -1); + + pixman_add_trapezoids (dst, 0, 0, ARRAY_LENGTH (traps), traps); + return (0); +} diff --git a/src/pixman/test/utils-prng.c b/src/pixman/test/utils-prng.c new file mode 100644 index 0000000..c27b5be --- /dev/null +++ b/src/pixman/test/utils-prng.c @@ -0,0 +1,298 @@ +/* + * Copyright © 2012 Siarhei Siamashka <siarhei.siamashka@gmail.com> + * + * Based on the public domain implementation of small noncryptographic PRNG + * authored by Bob Jenkins: http://burtleburtle.net/bob/rand/smallprng.html + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#include "utils.h" +#include "utils-prng.h" + +#if defined(HAVE_GCC_VECTOR_EXTENSIONS) && defined(__SSE2__) +#include <xmmintrin.h> +#endif + +void smallprng_srand_r (smallprng_t *x, uint32_t seed) +{ + uint32_t i; + x->a = 0xf1ea5eed, x->b = x->c = x->d = seed; + for (i = 0; i < 20; ++i) + smallprng_rand_r (x); +} + +/* + * Set a 32-bit seed for PRNG + * + * LCG is used here for generating independent seeds for different + * smallprng instances (in the case if smallprng is also used for + * generating these seeds, "Big Crush" test from TestU01 detects + * some problems in the glued 'prng_rand_128_r' output data). + * Actually we might be even better using some cryptographic + * hash for this purpose, but LCG seems to be also enough for + * passing "Big Crush". + */ +void prng_srand_r (prng_t *x, uint32_t seed) +{ +#ifdef HAVE_GCC_VECTOR_EXTENSIONS + int i; + prng_rand_128_data_t dummy; + smallprng_srand_r (&x->p0, seed); + x->a[0] = x->a[1] = x->a[2] = x->a[3] = 0xf1ea5eed; + x->b[0] = x->c[0] = x->d[0] = (seed = seed * 1103515245 + 12345); + x->b[1] = x->c[1] = x->d[1] = (seed = seed * 1103515245 + 12345); + x->b[2] = x->c[2] = x->d[2] = (seed = seed * 1103515245 + 12345); + x->b[3] = x->c[3] = x->d[3] = (seed = seed * 1103515245 + 12345); + for (i = 0; i < 20; ++i) + prng_rand_128_r (x, &dummy); +#else + smallprng_srand_r (&x->p0, seed); + smallprng_srand_r (&x->p1, (seed = seed * 1103515245 + 12345)); + smallprng_srand_r (&x->p2, (seed = seed * 1103515245 + 12345)); + smallprng_srand_r (&x->p3, (seed = seed * 1103515245 + 12345)); + smallprng_srand_r (&x->p4, (seed = seed * 1103515245 + 12345)); +#endif +} + +static force_inline void +store_rand_128_data (void *addr, prng_rand_128_data_t *d, int aligned) +{ +#ifdef HAVE_GCC_VECTOR_EXTENSIONS + if (aligned) + { + *(uint8x16 *)addr = d->vb; + return; + } + else + { +#ifdef __SSE2__ + /* workaround for http://gcc.gnu.org/PR55614 */ + _mm_storeu_si128 (addr, _mm_loadu_si128 ((__m128i *)d)); + return; +#endif + } +#endif + /* we could try something better for unaligned writes (packed attribute), + * but GCC is not very reliable: http://gcc.gnu.org/PR55454 */ + memcpy (addr, d, 16); +} + +/* + * Helper function and the actual code for "prng_randmemset_r" function + */ +static force_inline void +randmemset_internal (prng_t *prng, + uint8_t *buf, + size_t size, + prng_randmemset_flags_t flags, + int aligned) +{ + prng_t local_prng = *prng; + prng_rand_128_data_t randdata; + size_t i; + + while (size >= 16) + { + prng_rand_128_data_t t; + if (flags == 0) + { + prng_rand_128_r (&local_prng, &randdata); + } + else + { + prng_rand_128_r (&local_prng, &t); + prng_rand_128_r (&local_prng, &randdata); +#ifdef HAVE_GCC_VECTOR_EXTENSIONS + if (flags & RANDMEMSET_MORE_FF) + { + const uint8x16 const_C0 = + { + 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, + 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0, 0xC0 + }; + randdata.vb |= (t.vb >= const_C0); + } + if (flags & RANDMEMSET_MORE_00) + { + const uint8x16 const_40 = + { + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, + 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40, 0x40 + }; + randdata.vb &= (t.vb >= const_40); + } + if (flags & RANDMEMSET_MORE_FFFFFFFF) + { + const uint32x4 const_C0000000 = + { + 0xC0000000, 0xC0000000, 0xC0000000, 0xC0000000 + }; + randdata.vw |= ((t.vw << 30) >= const_C0000000); + } + if (flags & RANDMEMSET_MORE_00000000) + { + const uint32x4 const_40000000 = + { + 0x40000000, 0x40000000, 0x40000000, 0x40000000 + }; + randdata.vw &= ((t.vw << 30) >= const_40000000); + } +#else + #define PROCESS_ONE_LANE(i) \ + if (flags & RANDMEMSET_MORE_FF) \ + { \ + uint32_t mask_ff = (t.w[i] & (t.w[i] << 1)) & 0x80808080; \ + mask_ff |= mask_ff >> 1; \ + mask_ff |= mask_ff >> 2; \ + mask_ff |= mask_ff >> 4; \ + randdata.w[i] |= mask_ff; \ + } \ + if (flags & RANDMEMSET_MORE_00) \ + { \ + uint32_t mask_00 = (t.w[i] | (t.w[i] << 1)) & 0x80808080; \ + mask_00 |= mask_00 >> 1; \ + mask_00 |= mask_00 >> 2; \ + mask_00 |= mask_00 >> 4; \ + randdata.w[i] &= mask_00; \ + } \ + if (flags & RANDMEMSET_MORE_FFFFFFFF) \ + { \ + int32_t mask_ff = ((t.w[i] << 30) & (t.w[i] << 31)) & \ + 0x80000000; \ + randdata.w[i] |= mask_ff >> 31; \ + } \ + if (flags & RANDMEMSET_MORE_00000000) \ + { \ + int32_t mask_00 = ((t.w[i] << 30) | (t.w[i] << 31)) & \ + 0x80000000; \ + randdata.w[i] &= mask_00 >> 31; \ + } + + PROCESS_ONE_LANE (0) + PROCESS_ONE_LANE (1) + PROCESS_ONE_LANE (2) + PROCESS_ONE_LANE (3) +#endif + } + if (is_little_endian ()) + { + store_rand_128_data (buf, &randdata, aligned); + buf += 16; + } + else + { +#ifdef HAVE_GCC_VECTOR_EXTENSIONS + const uint8x16 bswap_shufflemask = + { + 3, 2, 1, 0, 7, 6, 5, 4, 11, 10, 9, 8, 15, 14, 13, 12 + }; + randdata.vb = __builtin_shuffle (randdata.vb, bswap_shufflemask); + store_rand_128_data (buf, &randdata, aligned); + buf += 16; +#else + uint8_t t1, t2, t3, t4; + #define STORE_ONE_LANE(i) \ + t1 = randdata.b[i * 4 + 3]; \ + t2 = randdata.b[i * 4 + 2]; \ + t3 = randdata.b[i * 4 + 1]; \ + t4 = randdata.b[i * 4 + 0]; \ + *buf++ = t1; \ + *buf++ = t2; \ + *buf++ = t3; \ + *buf++ = t4; + + STORE_ONE_LANE (0) + STORE_ONE_LANE (1) + STORE_ONE_LANE (2) + STORE_ONE_LANE (3) +#endif + } + size -= 16; + } + i = 0; + while (i < size) + { + uint8_t randbyte = prng_rand_r (&local_prng) & 0xFF; + if (flags != 0) + { + uint8_t t = prng_rand_r (&local_prng) & 0xFF; + if ((flags & RANDMEMSET_MORE_FF) && (t >= 0xC0)) + randbyte = 0xFF; + if ((flags & RANDMEMSET_MORE_00) && (t < 0x40)) + randbyte = 0x00; + if (i % 4 == 0 && i + 4 <= size) + { + t = prng_rand_r (&local_prng) & 0xFF; + if ((flags & RANDMEMSET_MORE_FFFFFFFF) && (t >= 0xC0)) + { + memset(&buf[i], 0xFF, 4); + i += 4; + continue; + } + if ((flags & RANDMEMSET_MORE_00000000) && (t < 0x40)) + { + memset(&buf[i], 0x00, 4); + i += 4; + continue; + } + } + } + buf[i] = randbyte; + i++; + } + *prng = local_prng; +} + +/* + * Fill memory buffer with random data. Flags argument may be used + * to tweak some statistics properties: + * RANDMEMSET_MORE_00 - set ~25% of bytes to 0x00 + * RANDMEMSET_MORE_FF - set ~25% of bytes to 0xFF + * RANDMEMSET_MORE_00000000 - ~25% chance for 00000000 4-byte clusters + * RANDMEMSET_MORE_FFFFFFFF - ~25% chance for FFFFFFFF 4-byte clusters + */ +void prng_randmemset_r (prng_t *prng, + void *voidbuf, + size_t size, + prng_randmemset_flags_t flags) +{ + uint8_t *buf = (uint8_t *)voidbuf; + if ((uintptr_t)buf & 15) + { + /* unaligned buffer */ + if (flags == 0) + randmemset_internal (prng, buf, size, 0, 0); + else if (flags == RANDMEMSET_MORE_00_AND_FF) + randmemset_internal (prng, buf, size, RANDMEMSET_MORE_00_AND_FF, 0); + else + randmemset_internal (prng, buf, size, flags, 0); + } + else + { + /* aligned buffer */ + if (flags == 0) + randmemset_internal (prng, buf, size, 0, 1); + else if (flags == RANDMEMSET_MORE_00_AND_FF) + randmemset_internal (prng, buf, size, RANDMEMSET_MORE_00_AND_FF, 1); + else + randmemset_internal (prng, buf, size, flags, 1); + } +} diff --git a/src/pixman/test/utils-prng.h b/src/pixman/test/utils-prng.h new file mode 100644 index 0000000..f9ae8dd --- /dev/null +++ b/src/pixman/test/utils-prng.h @@ -0,0 +1,170 @@ +/* + * Copyright © 2012 Siarhei Siamashka <siarhei.siamashka@gmail.com> + * + * Based on the public domain implementation of small noncryptographic PRNG + * authored by Bob Jenkins: http://burtleburtle.net/bob/rand/smallprng.html + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + */ + +#ifndef __UTILS_PRNG_H__ +#define __UTILS_PRNG_H__ + +/* + * This file provides a fast SIMD-optimized noncryptographic PRNG (pseudorandom + * number generator), with the output good enough to pass "Big Crush" tests + * from TestU01 (http://en.wikipedia.org/wiki/TestU01). + * + * SIMD code uses http://gcc.gnu.org/onlinedocs/gcc/Vector-Extensions.html + * which is a GCC specific extension. There is also a slower alternative + * code path, which should work with any C compiler. + * + * The "prng_t" structure keeps the internal state of the random number + * generator. It is possible to have multiple instances of the random number + * generator active at the same time, in this case each of them needs to have + * its own "prng_t". All the functions take a pointer to "prng_t" + * as the first argument. + * + * Functions: + * + * ---------------------------------------------------------------------------- + * void prng_srand_r (prng_t *prng, uint32_t seed); + * + * Initialize the pseudorandom number generator. The sequence of preudorandom + * numbers is deterministic and only depends on "seed". Any two generators + * initialized with the same seed will produce exactly the same sequence. + * + * ---------------------------------------------------------------------------- + * uint32_t prng_rand_r (prng_t *prng); + * + * Generate a single uniformly distributed 32-bit pseudorandom value. + * + * ---------------------------------------------------------------------------- + * void prng_randmemset_r (prng_t *prng, + * void *buffer, + * size_t size, + * prng_randmemset_flags_t flags); + * + * Fills the memory buffer "buffer" with "size" bytes of pseudorandom data. + * The "flags" argument may be used to tweak some statistics properties: + * RANDMEMSET_MORE_00 - set ~25% of bytes to 0x00 + * RANDMEMSET_MORE_FF - set ~25% of bytes to 0xFF + * The flags can be combined. This allows a bit better simulation of typical + * pixel data, which normally contains a lot of fully transparent or fully + * opaque pixels. + */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include "pixman-private.h" + +/*****************************************************************************/ + +#ifdef HAVE_GCC_VECTOR_EXTENSIONS +typedef uint32_t uint32x4 __attribute__ ((vector_size(16))); +typedef uint8_t uint8x16 __attribute__ ((vector_size(16))); +#endif + +typedef struct +{ + uint32_t a, b, c, d; +} smallprng_t; + +typedef struct +{ +#ifdef HAVE_GCC_VECTOR_EXTENSIONS + uint32x4 a, b, c, d; +#else + smallprng_t p1, p2, p3, p4; +#endif + smallprng_t p0; +} prng_t; + +typedef union +{ + uint8_t b[16]; + uint32_t w[4]; +#ifdef HAVE_GCC_VECTOR_EXTENSIONS + uint8x16 vb; + uint32x4 vw; +#endif +} prng_rand_128_data_t; + +/*****************************************************************************/ + +static force_inline uint32_t +smallprng_rand_r (smallprng_t *x) +{ + uint32_t e = x->a - ((x->b << 27) + (x->b >> (32 - 27))); + x->a = x->b ^ ((x->c << 17) ^ (x->c >> (32 - 17))); + x->b = x->c + x->d; + x->c = x->d + e; + x->d = e + x->a; + return x->d; +} + +/* Generate 4 bytes (32-bits) of random data */ +static force_inline uint32_t +prng_rand_r (prng_t *x) +{ + return smallprng_rand_r (&x->p0); +} + +/* Generate 16 bytes (128-bits) of random data */ +static force_inline void +prng_rand_128_r (prng_t *x, prng_rand_128_data_t *data) +{ +#ifdef HAVE_GCC_VECTOR_EXTENSIONS + uint32x4 e = x->a - ((x->b << 27) + (x->b >> (32 - 27))); + x->a = x->b ^ ((x->c << 17) ^ (x->c >> (32 - 17))); + x->b = x->c + x->d; + x->c = x->d + e; + x->d = e + x->a; + data->vw = x->d; +#else + data->w[0] = smallprng_rand_r (&x->p1); + data->w[1] = smallprng_rand_r (&x->p2); + data->w[2] = smallprng_rand_r (&x->p3); + data->w[3] = smallprng_rand_r (&x->p4); +#endif +} + +typedef enum +{ + RANDMEMSET_MORE_00 = 1, /* ~25% chance for 0x00 bytes */ + RANDMEMSET_MORE_FF = 2, /* ~25% chance for 0xFF bytes */ + RANDMEMSET_MORE_00000000 = 4, /* ~25% chance for 0x00000000 clusters */ + RANDMEMSET_MORE_FFFFFFFF = 8, /* ~25% chance for 0xFFFFFFFF clusters */ + RANDMEMSET_MORE_00_AND_FF = (RANDMEMSET_MORE_00 | RANDMEMSET_MORE_00000000 | + RANDMEMSET_MORE_FF | RANDMEMSET_MORE_FFFFFFFF) +} prng_randmemset_flags_t; + +/* Set the 32-bit seed for PRNG */ +void prng_srand_r (prng_t *prng, uint32_t seed); + +/* Fill memory buffer with random data */ +void prng_randmemset_r (prng_t *prng, + void *buffer, + size_t size, + prng_randmemset_flags_t flags); + +#endif diff --git a/src/pixman/test/utils.c b/src/pixman/test/utils.c new file mode 100644 index 0000000..ebe0ccc --- /dev/null +++ b/src/pixman/test/utils.c @@ -0,0 +1,1618 @@ +#define _GNU_SOURCE + +#include "utils.h" +#include <math.h> +#include <signal.h> +#include <stdlib.h> + +#ifdef HAVE_GETTIMEOFDAY +#include <sys/time.h> +#else +#include <time.h> +#endif + +#ifdef HAVE_UNISTD_H +#include <unistd.h> +#endif + +#ifdef HAVE_SYS_MMAN_H +#include <sys/mman.h> +#endif + +#ifdef HAVE_FENV_H +#include <fenv.h> +#endif + +#ifdef HAVE_LIBPNG +#include <png.h> +#endif + +/* Random number generator state + */ + +prng_t prng_state_data; +prng_t *prng_state; + +/*----------------------------------------------------------------------------*\ + * CRC-32 version 2.0.0 by Craig Bruce, 2006-04-29. + * + * This program generates the CRC-32 values for the files named in the + * command-line arguments. These are the same CRC-32 values used by GZIP, + * PKZIP, and ZMODEM. The Crc32_ComputeBuf () can also be detached and + * used independently. + * + * THIS PROGRAM IS PUBLIC-DOMAIN SOFTWARE. + * + * Based on the byte-oriented implementation "File Verification Using CRC" + * by Mark R. Nelson in Dr. Dobb's Journal, May 1992, pp. 64-67. + * + * v1.0.0: original release. + * v1.0.1: fixed printf formats. + * v1.0.2: fixed something else. + * v1.0.3: replaced CRC constant table by generator function. + * v1.0.4: reformatted code, made ANSI C. 1994-12-05. + * v2.0.0: rewrote to use memory buffer & static table, 2006-04-29. +\*----------------------------------------------------------------------------*/ + +/*----------------------------------------------------------------------------*\ + * NAME: + * Crc32_ComputeBuf () - computes the CRC-32 value of a memory buffer + * DESCRIPTION: + * Computes or accumulates the CRC-32 value for a memory buffer. + * The 'inCrc32' gives a previously accumulated CRC-32 value to allow + * a CRC to be generated for multiple sequential buffer-fuls of data. + * The 'inCrc32' for the first buffer must be zero. + * ARGUMENTS: + * inCrc32 - accumulated CRC-32 value, must be 0 on first call + * buf - buffer to compute CRC-32 value for + * bufLen - number of bytes in buffer + * RETURNS: + * crc32 - computed CRC-32 value + * ERRORS: + * (no errors are possible) +\*----------------------------------------------------------------------------*/ + +uint32_t +compute_crc32 (uint32_t in_crc32, + const void *buf, + size_t buf_len) +{ + static const uint32_t crc_table[256] = { + 0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, 0x076DC419, 0x706AF48F, + 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, 0xE0D5E91E, 0x97D2D988, + 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, 0x1DB71064, 0x6AB020F2, + 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, 0xF4D4B551, 0x83D385C7, + 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, 0x14015C4F, 0x63066CD9, + 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, 0xD56041E4, 0xA2677172, + 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, 0x35B5A8FA, 0x42B2986C, + 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, 0xDCD60DCF, 0xABD13D59, + 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, 0x21B4F4B5, 0x56B3C423, + 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, 0xC60CD9B2, 0xB10BE924, + 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, 0x76DC4190, 0x01DB7106, + 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, 0x9FBFE4A5, 0xE8B8D433, + 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, 0x7F6A0DBB, 0x086D3D2D, + 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, 0x856530D8, 0xF262004E, + 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, 0x65B0D9C6, 0x12B7E950, + 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, 0x8CD37CF3, 0xFBD44C65, + 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, 0x4ADFA541, 0x3DD895D7, + 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, 0xAD678846, 0xDA60B8D0, + 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, 0x5005713C, 0x270241AA, + 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, 0xB966D409, 0xCE61E49F, + 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, 0x59B33D17, 0x2EB40D81, + 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, 0x03B6E20C, 0x74B1D29A, + 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, 0xE3630B12, 0x94643B84, + 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, 0x0A00AE27, 0x7D079EB1, + 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, 0xF762575D, 0x806567CB, + 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, 0x10DA7A5A, 0x67DD4ACC, + 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, 0xD6D6A3E8, 0xA1D1937E, + 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, 0x3FB506DD, 0x48B2364B, + 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, 0xDF60EFC3, 0xA867DF55, + 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, 0x256FD2A0, 0x5268E236, + 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, 0xC5BA3BBE, 0xB2BD0B28, + 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, 0x2CD99E8B, 0x5BDEAE1D, + 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, 0x9C0906A9, 0xEB0E363F, + 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, 0x7BB12BAE, 0x0CB61B38, + 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, 0x86D3D2D4, 0xF1D4E242, + 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, 0x6FB077E1, 0x18B74777, + 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, 0x8F659EFF, 0xF862AE69, + 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, 0x4E048354, 0x3903B3C2, + 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, 0xAED16A4A, 0xD9D65ADC, + 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, 0x47B2CF7F, 0x30B5FFE9, + 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, 0xBAD03605, 0xCDD70693, + 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, 0x5D681B02, 0x2A6F2B94, + 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D + }; + + uint32_t crc32; + unsigned char * byte_buf; + size_t i; + + /* accumulate crc32 for buffer */ + crc32 = in_crc32 ^ 0xFFFFFFFF; + byte_buf = (unsigned char*) buf; + + for (i = 0; i < buf_len; i++) + crc32 = (crc32 >> 8) ^ crc_table[(crc32 ^ byte_buf[i]) & 0xFF]; + + return (crc32 ^ 0xFFFFFFFF); +} + +static uint32_t +compute_crc32_for_image_internal (uint32_t crc32, + pixman_image_t *img, + pixman_bool_t remove_alpha, + pixman_bool_t remove_rgb) +{ + pixman_format_code_t fmt = pixman_image_get_format (img); + uint32_t *data = pixman_image_get_data (img); + int stride = pixman_image_get_stride (img); + int height = pixman_image_get_height (img); + uint32_t mask = 0xffffffff; + int i; + + if (stride < 0) + { + data += (stride / 4) * (height - 1); + stride = - stride; + } + + /* mask unused 'x' part */ + if (PIXMAN_FORMAT_BPP (fmt) - PIXMAN_FORMAT_DEPTH (fmt) && + PIXMAN_FORMAT_DEPTH (fmt) != 0) + { + uint32_t m = (1 << PIXMAN_FORMAT_DEPTH (fmt)) - 1; + + if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_BGRA || + PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_RGBA) + { + m <<= (PIXMAN_FORMAT_BPP (fmt) - PIXMAN_FORMAT_DEPTH (fmt)); + } + + mask &= m; + } + + /* mask alpha channel */ + if (remove_alpha && PIXMAN_FORMAT_A (fmt)) + { + uint32_t m; + + if (PIXMAN_FORMAT_BPP (fmt) == 32) + m = 0xffffffff; + else + m = (1 << PIXMAN_FORMAT_BPP (fmt)) - 1; + + m >>= PIXMAN_FORMAT_A (fmt); + + if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_BGRA || + PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_RGBA || + PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_A) + { + /* Alpha is at the bottom of the pixel */ + m <<= PIXMAN_FORMAT_A (fmt); + } + + mask &= m; + } + + /* mask rgb channels */ + if (remove_rgb && PIXMAN_FORMAT_RGB (fmt)) + { + uint32_t m = ((uint32_t)~0) >> (32 - PIXMAN_FORMAT_BPP (fmt)); + uint32_t size = PIXMAN_FORMAT_R (fmt) + PIXMAN_FORMAT_G (fmt) + PIXMAN_FORMAT_B (fmt); + + m &= ~((1 << size) - 1); + + if (PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_BGRA || + PIXMAN_FORMAT_TYPE (fmt) == PIXMAN_TYPE_RGBA) + { + /* RGB channels are at the top of the pixel */ + m >>= size; + } + + mask &= m; + } + + for (i = 0; i * PIXMAN_FORMAT_BPP (fmt) < 32; i++) + mask |= mask << (i * PIXMAN_FORMAT_BPP (fmt)); + + for (i = 0; i < stride * height / 4; i++) + data[i] &= mask; + + /* swap endiannes in order to provide identical results on both big + * and litte endian systems + */ + image_endian_swap (img); + + return compute_crc32 (crc32, data, stride * height); +} + +uint32_t +compute_crc32_for_image (uint32_t crc32, + pixman_image_t *img) +{ + if (img->common.alpha_map) + { + crc32 = compute_crc32_for_image_internal (crc32, img, TRUE, FALSE); + crc32 = compute_crc32_for_image_internal ( + crc32, (pixman_image_t *)img->common.alpha_map, FALSE, TRUE); + } + else + { + crc32 = compute_crc32_for_image_internal (crc32, img, FALSE, FALSE); + } + + return crc32; +} + +void +print_image (pixman_image_t *image) +{ + int i, j; + int width, height, stride; + pixman_format_code_t format; + uint8_t *buffer; + int s; + + width = pixman_image_get_width (image); + height = pixman_image_get_height (image); + stride = pixman_image_get_stride (image); + format = pixman_image_get_format (image); + buffer = (uint8_t *)pixman_image_get_data (image); + + s = (stride >= 0)? stride : - stride; + + printf ("---\n"); + for (i = 0; i < height; i++) + { + for (j = 0; j < s; j++) + { + if (j == (width * PIXMAN_FORMAT_BPP (format) + 7) / 8) + printf ("| "); + + printf ("%02X ", *((uint8_t *)buffer + i * stride + j)); + } + printf ("\n"); + } + printf ("---\n"); +} + +/* perform endian conversion of pixel data + */ +void +image_endian_swap (pixman_image_t *img) +{ + int stride = pixman_image_get_stride (img); + uint32_t *data = pixman_image_get_data (img); + int height = pixman_image_get_height (img); + int bpp = PIXMAN_FORMAT_BPP (pixman_image_get_format (img)); + int i, j; + + /* swap bytes only on big endian systems */ + if (is_little_endian()) + return; + + if (bpp == 8) + return; + + for (i = 0; i < height; i++) + { + uint8_t *line_data = (uint8_t *)data + stride * i; + int s = (stride >= 0)? stride : - stride; + + switch (bpp) + { + case 1: + for (j = 0; j < s; j++) + { + line_data[j] = + ((line_data[j] & 0x80) >> 7) | + ((line_data[j] & 0x40) >> 5) | + ((line_data[j] & 0x20) >> 3) | + ((line_data[j] & 0x10) >> 1) | + ((line_data[j] & 0x08) << 1) | + ((line_data[j] & 0x04) << 3) | + ((line_data[j] & 0x02) << 5) | + ((line_data[j] & 0x01) << 7); + } + break; + case 4: + for (j = 0; j < s; j++) + { + line_data[j] = (line_data[j] >> 4) | (line_data[j] << 4); + } + break; + case 16: + for (j = 0; j + 2 <= s; j += 2) + { + char t1 = line_data[j + 0]; + char t2 = line_data[j + 1]; + + line_data[j + 1] = t1; + line_data[j + 0] = t2; + } + break; + case 24: + for (j = 0; j + 3 <= s; j += 3) + { + char t1 = line_data[j + 0]; + char t2 = line_data[j + 1]; + char t3 = line_data[j + 2]; + + line_data[j + 2] = t1; + line_data[j + 1] = t2; + line_data[j + 0] = t3; + } + break; + case 32: + for (j = 0; j + 4 <= s; j += 4) + { + char t1 = line_data[j + 0]; + char t2 = line_data[j + 1]; + char t3 = line_data[j + 2]; + char t4 = line_data[j + 3]; + + line_data[j + 3] = t1; + line_data[j + 2] = t2; + line_data[j + 1] = t3; + line_data[j + 0] = t4; + } + break; + default: + assert (FALSE); + break; + } + } +} + +#define N_LEADING_PROTECTED 10 +#define N_TRAILING_PROTECTED 10 + +typedef struct +{ + void *addr; + uint32_t len; + uint8_t *trailing; + int n_bytes; +} info_t; + +#if defined(HAVE_MPROTECT) && defined(HAVE_GETPAGESIZE) && defined(HAVE_SYS_MMAN_H) && defined(HAVE_MMAP) + +/* This is apparently necessary on at least OS X */ +#ifndef MAP_ANONYMOUS +#define MAP_ANONYMOUS MAP_ANON +#endif + +void * +fence_malloc (int64_t len) +{ + unsigned long page_size = getpagesize(); + unsigned long page_mask = page_size - 1; + uint32_t n_payload_bytes = (len + page_mask) & ~page_mask; + uint32_t n_bytes = + (page_size * (N_LEADING_PROTECTED + N_TRAILING_PROTECTED + 2) + + n_payload_bytes) & ~page_mask; + uint8_t *initial_page; + uint8_t *leading_protected; + uint8_t *trailing_protected; + uint8_t *payload; + uint8_t *addr; + + if (len < 0) + abort(); + + addr = mmap (NULL, n_bytes, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS, + -1, 0); + + if (addr == MAP_FAILED) + { + printf ("mmap failed on %lld %u\n", (long long int)len, n_bytes); + return NULL; + } + + initial_page = (uint8_t *)(((uintptr_t)addr + page_mask) & ~page_mask); + leading_protected = initial_page + page_size; + payload = leading_protected + N_LEADING_PROTECTED * page_size; + trailing_protected = payload + n_payload_bytes; + + ((info_t *)initial_page)->addr = addr; + ((info_t *)initial_page)->len = len; + ((info_t *)initial_page)->trailing = trailing_protected; + ((info_t *)initial_page)->n_bytes = n_bytes; + + if ((mprotect (leading_protected, N_LEADING_PROTECTED * page_size, + PROT_NONE) == -1) || + (mprotect (trailing_protected, N_TRAILING_PROTECTED * page_size, + PROT_NONE) == -1)) + { + munmap (addr, n_bytes); + return NULL; + } + + return payload; +} + +void +fence_free (void *data) +{ + uint32_t page_size = getpagesize(); + uint8_t *payload = data; + uint8_t *leading_protected = payload - N_LEADING_PROTECTED * page_size; + uint8_t *initial_page = leading_protected - page_size; + info_t *info = (info_t *)initial_page; + + munmap (info->addr, info->n_bytes); +} + +#else + +void * +fence_malloc (int64_t len) +{ + return malloc (len); +} + +void +fence_free (void *data) +{ + free (data); +} + +#endif + +uint8_t * +make_random_bytes (int n_bytes) +{ + uint8_t *bytes = fence_malloc (n_bytes); + + if (!bytes) + return NULL; + + prng_randmemset (bytes, n_bytes, 0); + + return bytes; +} + +void +a8r8g8b8_to_rgba_np (uint32_t *dst, uint32_t *src, int n_pixels) +{ + uint8_t *dst8 = (uint8_t *)dst; + int i; + + for (i = 0; i < n_pixels; ++i) + { + uint32_t p = src[i]; + uint8_t a, r, g, b; + + a = (p & 0xff000000) >> 24; + r = (p & 0x00ff0000) >> 16; + g = (p & 0x0000ff00) >> 8; + b = (p & 0x000000ff) >> 0; + + if (a != 0) + { +#define DIVIDE(c, a) \ + do \ + { \ + int t = ((c) * 255) / a; \ + (c) = t < 0? 0 : t > 255? 255 : t; \ + } while (0) + + DIVIDE (r, a); + DIVIDE (g, a); + DIVIDE (b, a); + } + + *dst8++ = r; + *dst8++ = g; + *dst8++ = b; + *dst8++ = a; + } +} + +#ifdef HAVE_LIBPNG + +pixman_bool_t +write_png (pixman_image_t *image, const char *filename) +{ + int width = pixman_image_get_width (image); + int height = pixman_image_get_height (image); + int stride = width * 4; + uint32_t *data = malloc (height * stride); + pixman_image_t *copy; + png_struct *write_struct; + png_info *info_struct; + pixman_bool_t result = FALSE; + FILE *f = fopen (filename, "wb"); + png_bytep *row_pointers; + int i; + + if (!f) + return FALSE; + + row_pointers = malloc (height * sizeof (png_bytep)); + + copy = pixman_image_create_bits ( + PIXMAN_a8r8g8b8, width, height, data, stride); + + pixman_image_composite32 ( + PIXMAN_OP_SRC, image, NULL, copy, 0, 0, 0, 0, 0, 0, width, height); + + a8r8g8b8_to_rgba_np (data, data, height * width); + + for (i = 0; i < height; ++i) + row_pointers[i] = (png_bytep)(data + i * width); + + if (!(write_struct = png_create_write_struct ( + PNG_LIBPNG_VER_STRING, NULL, NULL, NULL))) + goto out1; + + if (!(info_struct = png_create_info_struct (write_struct))) + goto out2; + + png_init_io (write_struct, f); + + png_set_IHDR (write_struct, info_struct, width, height, + 8, PNG_COLOR_TYPE_RGB_ALPHA, + PNG_INTERLACE_NONE, PNG_COMPRESSION_TYPE_BASE, + PNG_FILTER_TYPE_BASE); + + png_write_info (write_struct, info_struct); + + png_write_image (write_struct, row_pointers); + + png_write_end (write_struct, NULL); + + result = TRUE; + +out2: + png_destroy_write_struct (&write_struct, &info_struct); + +out1: + if (fclose (f) != 0) + result = FALSE; + + pixman_image_unref (copy); + free (row_pointers); + free (data); + return result; +} + +#else /* no libpng */ + +pixman_bool_t +write_png (pixman_image_t *image, const char *filename) +{ + return FALSE; +} + +#endif + +static void +color8_to_color16 (uint32_t color8, pixman_color_t *color16) +{ + color16->alpha = ((color8 & 0xff000000) >> 24); + color16->red = ((color8 & 0x00ff0000) >> 16); + color16->green = ((color8 & 0x0000ff00) >> 8); + color16->blue = ((color8 & 0x000000ff) >> 0); + + color16->alpha |= color16->alpha << 8; + color16->red |= color16->red << 8; + color16->blue |= color16->blue << 8; + color16->green |= color16->green << 8; +} + +void +draw_checkerboard (pixman_image_t *image, + int check_size, + uint32_t color1, uint32_t color2) +{ + pixman_color_t check1, check2; + pixman_image_t *c1, *c2; + int n_checks_x, n_checks_y; + int i, j; + + color8_to_color16 (color1, &check1); + color8_to_color16 (color2, &check2); + + c1 = pixman_image_create_solid_fill (&check1); + c2 = pixman_image_create_solid_fill (&check2); + + n_checks_x = ( + pixman_image_get_width (image) + check_size - 1) / check_size; + n_checks_y = ( + pixman_image_get_height (image) + check_size - 1) / check_size; + + for (j = 0; j < n_checks_y; j++) + { + for (i = 0; i < n_checks_x; i++) + { + pixman_image_t *src; + + if (((i ^ j) & 1)) + src = c1; + else + src = c2; + + pixman_image_composite32 (PIXMAN_OP_SRC, src, NULL, image, + 0, 0, 0, 0, + i * check_size, j * check_size, + check_size, check_size); + } + } +} + +static uint32_t +call_test_function (uint32_t (*test_function)(int testnum, int verbose), + int testnum, + int verbose) +{ + uint32_t retval; + +#if defined (__GNUC__) && defined (_WIN32) && (defined (__i386) || defined (__i386__)) + __asm__ ( + /* Deliberately avoid aligning the stack to 16 bytes */ + "pushl %1\n\t" + "pushl %2\n\t" + "call *%3\n\t" + "addl $8, %%esp\n\t" + : "=a" (retval) + : "r" (verbose), + "r" (testnum), + "r" (test_function) + : "edx", "ecx"); /* caller save registers */ +#else + retval = test_function (testnum, verbose); +#endif + + return retval; +} + +/* + * A function, which can be used as a core part of the test programs, + * intended to detect various problems with the help of fuzzing input + * to pixman API (according to some templates, aka "smart" fuzzing). + * Some general information about such testing can be found here: + * http://en.wikipedia.org/wiki/Fuzz_testing + * + * It may help detecting: + * - crashes on bad handling of valid or reasonably invalid input to + * pixman API. + * - deviations from the behavior of older pixman releases. + * - deviations from the behavior of the same pixman release, but + * configured in a different way (for example with SIMD optimizations + * disabled), or running on a different OS or hardware. + * + * The test is performed by calling a callback function a huge number + * of times. The callback function is expected to run some snippet of + * pixman code with pseudorandom variations to the data feeded to + * pixman API. A result of running each callback function should be + * some deterministic value which depends on test number (test number + * can be used as a seed for PRNG). When 'verbose' argument is nonzero, + * callback function is expected to print to stdout some information + * about what it does. + * + * Return values from many small tests are accumulated together and + * used as final checksum, which can be compared to some expected + * value. Running the tests not individually, but in a batch helps + * to reduce process start overhead and also allows to parallelize + * testing and utilize multiple CPU cores. + * + * The resulting executable can be run without any arguments. In + * this case it runs a batch of tests starting from 1 and up to + * 'default_number_of_iterations'. The resulting checksum is + * compared with 'expected_checksum' and FAIL or PASS verdict + * depends on the result of this comparison. + * + * If the executable is run with 2 numbers provided as command line + * arguments, they specify the starting and ending numbers for a test + * batch. + * + * If the executable is run with only one number provided as a command + * line argument, then this number is used to call the callback function + * once, and also with verbose flag set. + */ +int +fuzzer_test_main (const char *test_name, + int default_number_of_iterations, + uint32_t expected_checksum, + uint32_t (*test_function)(int testnum, int verbose), + int argc, + const char *argv[]) +{ + int i, n1 = 1, n2 = 0; + uint32_t checksum = 0; + int verbose = getenv ("VERBOSE") != NULL; + + if (argc >= 3) + { + n1 = atoi (argv[1]); + n2 = atoi (argv[2]); + if (n2 < n1) + { + printf ("invalid test range\n"); + return 1; + } + } + else if (argc >= 2) + { + n2 = atoi (argv[1]); + + checksum = call_test_function (test_function, n2, 1); + + printf ("%d: checksum=%08X\n", n2, checksum); + return 0; + } + else + { + n1 = 1; + n2 = default_number_of_iterations; + } + +#ifdef USE_OPENMP + #pragma omp parallel for reduction(+:checksum) default(none) \ + shared(n1, n2, test_function, verbose) +#endif + for (i = n1; i <= n2; i++) + { + uint32_t crc = call_test_function (test_function, i, 0); + if (verbose) + printf ("%d: %08X\n", i, crc); + checksum += crc; + } + + if (n1 == 1 && n2 == default_number_of_iterations) + { + if (checksum == expected_checksum) + { + printf ("%s test passed (checksum=%08X)\n", + test_name, checksum); + } + else + { + printf ("%s test failed! (checksum=%08X, expected %08X)\n", + test_name, checksum, expected_checksum); + return 1; + } + } + else + { + printf ("%d-%d: checksum=%08X\n", n1, n2, checksum); + } + + return 0; +} + +/* Try to obtain current time in seconds */ +double +gettime (void) +{ +#ifdef HAVE_GETTIMEOFDAY + struct timeval tv; + + gettimeofday (&tv, NULL); + return (double)((int64_t)tv.tv_sec * 1000000 + tv.tv_usec) / 1000000.; +#else + return (double)clock() / (double)CLOCKS_PER_SEC; +#endif +} + +uint32_t +get_random_seed (void) +{ + union { double d; uint32_t u32; } t; + t.d = gettime(); + prng_srand (t.u32); + + return prng_rand (); +} + +#ifdef HAVE_SIGACTION +#ifdef HAVE_ALARM +static const char *global_msg; + +static void +on_alarm (int signo) +{ + printf ("%s\n", global_msg); + exit (1); +} +#endif +#endif + +void +fail_after (int seconds, const char *msg) +{ +#ifdef HAVE_SIGACTION +#ifdef HAVE_ALARM + struct sigaction action; + + global_msg = msg; + + memset (&action, 0, sizeof (action)); + action.sa_handler = on_alarm; + + alarm (seconds); + + sigaction (SIGALRM, &action, NULL); +#endif +#endif +} + +void +enable_divbyzero_exceptions (void) +{ +#ifdef HAVE_FENV_H +#ifdef HAVE_FEENABLEEXCEPT + feenableexcept (FE_DIVBYZERO); +#endif +#endif +} + +void * +aligned_malloc (size_t align, size_t size) +{ + void *result; + +#ifdef HAVE_POSIX_MEMALIGN + if (posix_memalign (&result, align, size) != 0) + result = NULL; +#else + result = malloc (size); +#endif + + return result; +} + +#define CONVERT_15(c, is_rgb) \ + (is_rgb? \ + ((((c) >> 3) & 0x001f) | \ + (((c) >> 6) & 0x03e0) | \ + (((c) >> 9) & 0x7c00)) : \ + (((((c) >> 16) & 0xff) * 153 + \ + (((c) >> 8) & 0xff) * 301 + \ + (((c) ) & 0xff) * 58) >> 2)) + +double +convert_srgb_to_linear (double c) +{ + if (c <= 0.04045) + return c / 12.92; + else + return pow ((c + 0.055) / 1.055, 2.4); +} + +double +convert_linear_to_srgb (double c) +{ + if (c <= 0.0031308) + return c * 12.92; + else + return 1.055 * pow (c, 1.0/2.4) - 0.055; +} + +void +initialize_palette (pixman_indexed_t *palette, uint32_t depth, int is_rgb) +{ + int i; + uint32_t mask = (1 << depth) - 1; + + for (i = 0; i < 32768; ++i) + palette->ent[i] = prng_rand() & mask; + + memset (palette->rgba, 0, sizeof (palette->rgba)); + + for (i = 0; i < mask + 1; ++i) + { + uint32_t rgba24; + pixman_bool_t retry; + uint32_t i15; + + /* We filled the rgb->index map with random numbers, but we + * do need the ability to round trip, that is if some indexed + * color expands to an argb24, then the 15 bit version of that + * color must map back to the index. Anything else, we don't + * care about too much. + */ + do + { + uint32_t old_idx; + + rgba24 = prng_rand(); + i15 = CONVERT_15 (rgba24, is_rgb); + + old_idx = palette->ent[i15]; + if (CONVERT_15 (palette->rgba[old_idx], is_rgb) == i15) + retry = 1; + else + retry = 0; + } while (retry); + + palette->rgba[i] = rgba24; + palette->ent[i15] = i; + } + + for (i = 0; i < mask + 1; ++i) + { + assert (palette->ent[CONVERT_15 (palette->rgba[i], is_rgb)] == i); + } +} + +const char * +operator_name (pixman_op_t op) +{ + switch (op) + { + case PIXMAN_OP_CLEAR: return "PIXMAN_OP_CLEAR"; + case PIXMAN_OP_SRC: return "PIXMAN_OP_SRC"; + case PIXMAN_OP_DST: return "PIXMAN_OP_DST"; + case PIXMAN_OP_OVER: return "PIXMAN_OP_OVER"; + case PIXMAN_OP_OVER_REVERSE: return "PIXMAN_OP_OVER_REVERSE"; + case PIXMAN_OP_IN: return "PIXMAN_OP_IN"; + case PIXMAN_OP_IN_REVERSE: return "PIXMAN_OP_IN_REVERSE"; + case PIXMAN_OP_OUT: return "PIXMAN_OP_OUT"; + case PIXMAN_OP_OUT_REVERSE: return "PIXMAN_OP_OUT_REVERSE"; + case PIXMAN_OP_ATOP: return "PIXMAN_OP_ATOP"; + case PIXMAN_OP_ATOP_REVERSE: return "PIXMAN_OP_ATOP_REVERSE"; + case PIXMAN_OP_XOR: return "PIXMAN_OP_XOR"; + case PIXMAN_OP_ADD: return "PIXMAN_OP_ADD"; + case PIXMAN_OP_SATURATE: return "PIXMAN_OP_SATURATE"; + + case PIXMAN_OP_DISJOINT_CLEAR: return "PIXMAN_OP_DISJOINT_CLEAR"; + case PIXMAN_OP_DISJOINT_SRC: return "PIXMAN_OP_DISJOINT_SRC"; + case PIXMAN_OP_DISJOINT_DST: return "PIXMAN_OP_DISJOINT_DST"; + case PIXMAN_OP_DISJOINT_OVER: return "PIXMAN_OP_DISJOINT_OVER"; + case PIXMAN_OP_DISJOINT_OVER_REVERSE: return "PIXMAN_OP_DISJOINT_OVER_REVERSE"; + case PIXMAN_OP_DISJOINT_IN: return "PIXMAN_OP_DISJOINT_IN"; + case PIXMAN_OP_DISJOINT_IN_REVERSE: return "PIXMAN_OP_DISJOINT_IN_REVERSE"; + case PIXMAN_OP_DISJOINT_OUT: return "PIXMAN_OP_DISJOINT_OUT"; + case PIXMAN_OP_DISJOINT_OUT_REVERSE: return "PIXMAN_OP_DISJOINT_OUT_REVERSE"; + case PIXMAN_OP_DISJOINT_ATOP: return "PIXMAN_OP_DISJOINT_ATOP"; + case PIXMAN_OP_DISJOINT_ATOP_REVERSE: return "PIXMAN_OP_DISJOINT_ATOP_REVERSE"; + case PIXMAN_OP_DISJOINT_XOR: return "PIXMAN_OP_DISJOINT_XOR"; + + case PIXMAN_OP_CONJOINT_CLEAR: return "PIXMAN_OP_CONJOINT_CLEAR"; + case PIXMAN_OP_CONJOINT_SRC: return "PIXMAN_OP_CONJOINT_SRC"; + case PIXMAN_OP_CONJOINT_DST: return "PIXMAN_OP_CONJOINT_DST"; + case PIXMAN_OP_CONJOINT_OVER: return "PIXMAN_OP_CONJOINT_OVER"; + case PIXMAN_OP_CONJOINT_OVER_REVERSE: return "PIXMAN_OP_CONJOINT_OVER_REVERSE"; + case PIXMAN_OP_CONJOINT_IN: return "PIXMAN_OP_CONJOINT_IN"; + case PIXMAN_OP_CONJOINT_IN_REVERSE: return "PIXMAN_OP_CONJOINT_IN_REVERSE"; + case PIXMAN_OP_CONJOINT_OUT: return "PIXMAN_OP_CONJOINT_OUT"; + case PIXMAN_OP_CONJOINT_OUT_REVERSE: return "PIXMAN_OP_CONJOINT_OUT_REVERSE"; + case PIXMAN_OP_CONJOINT_ATOP: return "PIXMAN_OP_CONJOINT_ATOP"; + case PIXMAN_OP_CONJOINT_ATOP_REVERSE: return "PIXMAN_OP_CONJOINT_ATOP_REVERSE"; + case PIXMAN_OP_CONJOINT_XOR: return "PIXMAN_OP_CONJOINT_XOR"; + + case PIXMAN_OP_MULTIPLY: return "PIXMAN_OP_MULTIPLY"; + case PIXMAN_OP_SCREEN: return "PIXMAN_OP_SCREEN"; + case PIXMAN_OP_OVERLAY: return "PIXMAN_OP_OVERLAY"; + case PIXMAN_OP_DARKEN: return "PIXMAN_OP_DARKEN"; + case PIXMAN_OP_LIGHTEN: return "PIXMAN_OP_LIGHTEN"; + case PIXMAN_OP_COLOR_DODGE: return "PIXMAN_OP_COLOR_DODGE"; + case PIXMAN_OP_COLOR_BURN: return "PIXMAN_OP_COLOR_BURN"; + case PIXMAN_OP_HARD_LIGHT: return "PIXMAN_OP_HARD_LIGHT"; + case PIXMAN_OP_SOFT_LIGHT: return "PIXMAN_OP_SOFT_LIGHT"; + case PIXMAN_OP_DIFFERENCE: return "PIXMAN_OP_DIFFERENCE"; + case PIXMAN_OP_EXCLUSION: return "PIXMAN_OP_EXCLUSION"; + case PIXMAN_OP_HSL_HUE: return "PIXMAN_OP_HSL_HUE"; + case PIXMAN_OP_HSL_SATURATION: return "PIXMAN_OP_HSL_SATURATION"; + case PIXMAN_OP_HSL_COLOR: return "PIXMAN_OP_HSL_COLOR"; + case PIXMAN_OP_HSL_LUMINOSITY: return "PIXMAN_OP_HSL_LUMINOSITY"; + + case PIXMAN_OP_NONE: + return "<invalid operator 'none'>"; + }; + + return "<unknown operator>"; +} + +const char * +format_name (pixman_format_code_t format) +{ + switch (format) + { +/* 32bpp formats */ + case PIXMAN_a8r8g8b8: return "a8r8g8b8"; + case PIXMAN_x8r8g8b8: return "x8r8g8b8"; + case PIXMAN_a8b8g8r8: return "a8b8g8r8"; + case PIXMAN_x8b8g8r8: return "x8b8g8r8"; + case PIXMAN_b8g8r8a8: return "b8g8r8a8"; + case PIXMAN_b8g8r8x8: return "b8g8r8x8"; + case PIXMAN_r8g8b8a8: return "r8g8b8a8"; + case PIXMAN_r8g8b8x8: return "r8g8b8x8"; + case PIXMAN_x14r6g6b6: return "x14r6g6b6"; + case PIXMAN_x2r10g10b10: return "x2r10g10b10"; + case PIXMAN_a2r10g10b10: return "a2r10g10b10"; + case PIXMAN_x2b10g10r10: return "x2b10g10r10"; + case PIXMAN_a2b10g10r10: return "a2b10g10r10"; + +/* sRGB formats */ + case PIXMAN_a8r8g8b8_sRGB: return "a8r8g8b8_sRGB"; + +/* 24bpp formats */ + case PIXMAN_r8g8b8: return "r8g8b8"; + case PIXMAN_b8g8r8: return "b8g8r8"; + +/* 16bpp formats */ + case PIXMAN_r5g6b5: return "r5g6b5"; + case PIXMAN_b5g6r5: return "b5g6r5"; + + case PIXMAN_a1r5g5b5: return "a1r5g5b5"; + case PIXMAN_x1r5g5b5: return "x1r5g5b5"; + case PIXMAN_a1b5g5r5: return "a1b5g5r5"; + case PIXMAN_x1b5g5r5: return "x1b5g5r5"; + case PIXMAN_a4r4g4b4: return "a4r4g4b4"; + case PIXMAN_x4r4g4b4: return "x4r4g4b4"; + case PIXMAN_a4b4g4r4: return "a4b4g4r4"; + case PIXMAN_x4b4g4r4: return "x4b4g4r4"; + +/* 8bpp formats */ + case PIXMAN_a8: return "a8"; + case PIXMAN_r3g3b2: return "r3g3b2"; + case PIXMAN_b2g3r3: return "b2g3r3"; + case PIXMAN_a2r2g2b2: return "a2r2g2b2"; + case PIXMAN_a2b2g2r2: return "a2b2g2r2"; + +#if 0 + case PIXMAN_x4c4: return "x4c4"; + case PIXMAN_g8: return "g8"; +#endif + case PIXMAN_c8: return "x4c4 / c8"; + case PIXMAN_x4g4: return "x4g4 / g8"; + + case PIXMAN_x4a4: return "x4a4"; + +/* 4bpp formats */ + case PIXMAN_a4: return "a4"; + case PIXMAN_r1g2b1: return "r1g2b1"; + case PIXMAN_b1g2r1: return "b1g2r1"; + case PIXMAN_a1r1g1b1: return "a1r1g1b1"; + case PIXMAN_a1b1g1r1: return "a1b1g1r1"; + + case PIXMAN_c4: return "c4"; + case PIXMAN_g4: return "g4"; + +/* 1bpp formats */ + case PIXMAN_a1: return "a1"; + + case PIXMAN_g1: return "g1"; + +/* YUV formats */ + case PIXMAN_yuy2: return "yuy2"; + case PIXMAN_yv12: return "yv12"; + }; + + /* Fake formats. + * + * This is separate switch to prevent GCC from complaining + * that the values are not in the pixman_format_code_t enum. + */ + switch ((uint32_t)format) + { + case PIXMAN_null: return "null"; + case PIXMAN_solid: return "solid"; + case PIXMAN_pixbuf: return "pixbuf"; + case PIXMAN_rpixbuf: return "rpixbuf"; + case PIXMAN_unknown: return "unknown"; + }; + + return "<unknown format>"; +}; + +static double +calc_op (pixman_op_t op, double src, double dst, double srca, double dsta) +{ +#define mult_chan(src, dst, Fa, Fb) MIN ((src) * (Fa) + (dst) * (Fb), 1.0) + + double Fa, Fb; + + switch (op) + { + case PIXMAN_OP_CLEAR: + case PIXMAN_OP_DISJOINT_CLEAR: + case PIXMAN_OP_CONJOINT_CLEAR: + return mult_chan (src, dst, 0.0, 0.0); + + case PIXMAN_OP_SRC: + case PIXMAN_OP_DISJOINT_SRC: + case PIXMAN_OP_CONJOINT_SRC: + return mult_chan (src, dst, 1.0, 0.0); + + case PIXMAN_OP_DST: + case PIXMAN_OP_DISJOINT_DST: + case PIXMAN_OP_CONJOINT_DST: + return mult_chan (src, dst, 0.0, 1.0); + + case PIXMAN_OP_OVER: + return mult_chan (src, dst, 1.0, 1.0 - srca); + + case PIXMAN_OP_OVER_REVERSE: + return mult_chan (src, dst, 1.0 - dsta, 1.0); + + case PIXMAN_OP_IN: + return mult_chan (src, dst, dsta, 0.0); + + case PIXMAN_OP_IN_REVERSE: + return mult_chan (src, dst, 0.0, srca); + + case PIXMAN_OP_OUT: + return mult_chan (src, dst, 1.0 - dsta, 0.0); + + case PIXMAN_OP_OUT_REVERSE: + return mult_chan (src, dst, 0.0, 1.0 - srca); + + case PIXMAN_OP_ATOP: + return mult_chan (src, dst, dsta, 1.0 - srca); + + case PIXMAN_OP_ATOP_REVERSE: + return mult_chan (src, dst, 1.0 - dsta, srca); + + case PIXMAN_OP_XOR: + return mult_chan (src, dst, 1.0 - dsta, 1.0 - srca); + + case PIXMAN_OP_ADD: + return mult_chan (src, dst, 1.0, 1.0); + + case PIXMAN_OP_SATURATE: + case PIXMAN_OP_DISJOINT_OVER_REVERSE: + if (srca == 0.0) + Fa = 1.0; + else + Fa = MIN (1.0, (1.0 - dsta) / srca); + return mult_chan (src, dst, Fa, 1.0); + + case PIXMAN_OP_DISJOINT_OVER: + if (dsta == 0.0) + Fb = 1.0; + else + Fb = MIN (1.0, (1.0 - srca) / dsta); + return mult_chan (src, dst, 1.0, Fb); + + case PIXMAN_OP_DISJOINT_IN: + if (srca == 0.0) + Fa = 0.0; + else + Fa = MAX (0.0, 1.0 - (1.0 - dsta) / srca); + return mult_chan (src, dst, Fa, 0.0); + + case PIXMAN_OP_DISJOINT_IN_REVERSE: + if (dsta == 0.0) + Fb = 0.0; + else + Fb = MAX (0.0, 1.0 - (1.0 - srca) / dsta); + return mult_chan (src, dst, 0.0, Fb); + + case PIXMAN_OP_DISJOINT_OUT: + if (srca == 0.0) + Fa = 1.0; + else + Fa = MIN (1.0, (1.0 - dsta) / srca); + return mult_chan (src, dst, Fa, 0.0); + + case PIXMAN_OP_DISJOINT_OUT_REVERSE: + if (dsta == 0.0) + Fb = 1.0; + else + Fb = MIN (1.0, (1.0 - srca) / dsta); + return mult_chan (src, dst, 0.0, Fb); + + case PIXMAN_OP_DISJOINT_ATOP: + if (srca == 0.0) + Fa = 0.0; + else + Fa = MAX (0.0, 1.0 - (1.0 - dsta) / srca); + if (dsta == 0.0) + Fb = 1.0; + else + Fb = MIN (1.0, (1.0 - srca) / dsta); + return mult_chan (src, dst, Fa, Fb); + + case PIXMAN_OP_DISJOINT_ATOP_REVERSE: + if (srca == 0.0) + Fa = 1.0; + else + Fa = MIN (1.0, (1.0 - dsta) / srca); + if (dsta == 0.0) + Fb = 0.0; + else + Fb = MAX (0.0, 1.0 - (1.0 - srca) / dsta); + return mult_chan (src, dst, Fa, Fb); + + case PIXMAN_OP_DISJOINT_XOR: + if (srca == 0.0) + Fa = 1.0; + else + Fa = MIN (1.0, (1.0 - dsta) / srca); + if (dsta == 0.0) + Fb = 1.0; + else + Fb = MIN (1.0, (1.0 - srca) / dsta); + return mult_chan (src, dst, Fa, Fb); + + case PIXMAN_OP_CONJOINT_OVER: + if (dsta == 0.0) + Fb = 0.0; + else + Fb = MAX (0.0, 1.0 - srca / dsta); + return mult_chan (src, dst, 1.0, Fb); + + case PIXMAN_OP_CONJOINT_OVER_REVERSE: + if (srca == 0.0) + Fa = 0.0; + else + Fa = MAX (0.0, 1.0 - dsta / srca); + return mult_chan (src, dst, Fa, 1.0); + + case PIXMAN_OP_CONJOINT_IN: + if (srca == 0.0) + Fa = 1.0; + else + Fa = MIN (1.0, dsta / srca); + return mult_chan (src, dst, Fa, 0.0); + + case PIXMAN_OP_CONJOINT_IN_REVERSE: + if (dsta == 0.0) + Fb = 1.0; + else + Fb = MIN (1.0, srca / dsta); + return mult_chan (src, dst, 0.0, Fb); + + case PIXMAN_OP_CONJOINT_OUT: + if (srca == 0.0) + Fa = 0.0; + else + Fa = MAX (0.0, 1.0 - dsta / srca); + return mult_chan (src, dst, Fa, 0.0); + + case PIXMAN_OP_CONJOINT_OUT_REVERSE: + if (dsta == 0.0) + Fb = 0.0; + else + Fb = MAX (0.0, 1.0 - srca / dsta); + return mult_chan (src, dst, 0.0, Fb); + + case PIXMAN_OP_CONJOINT_ATOP: + if (srca == 0.0) + Fa = 1.0; + else + Fa = MIN (1.0, dsta / srca); + if (dsta == 0.0) + Fb = 0.0; + else + Fb = MAX (0.0, 1.0 - srca / dsta); + return mult_chan (src, dst, Fa, Fb); + + case PIXMAN_OP_CONJOINT_ATOP_REVERSE: + if (srca == 0.0) + Fa = 0.0; + else + Fa = MAX (0.0, 1.0 - dsta / srca); + if (dsta == 0.0) + Fb = 1.0; + else + Fb = MIN (1.0, srca / dsta); + return mult_chan (src, dst, Fa, Fb); + + case PIXMAN_OP_CONJOINT_XOR: + if (srca == 0.0) + Fa = 0.0; + else + Fa = MAX (0.0, 1.0 - dsta / srca); + if (dsta == 0.0) + Fb = 0.0; + else + Fb = MAX (0.0, 1.0 - srca / dsta); + return mult_chan (src, dst, Fa, Fb); + + case PIXMAN_OP_MULTIPLY: + case PIXMAN_OP_SCREEN: + case PIXMAN_OP_OVERLAY: + case PIXMAN_OP_DARKEN: + case PIXMAN_OP_LIGHTEN: + case PIXMAN_OP_COLOR_DODGE: + case PIXMAN_OP_COLOR_BURN: + case PIXMAN_OP_HARD_LIGHT: + case PIXMAN_OP_SOFT_LIGHT: + case PIXMAN_OP_DIFFERENCE: + case PIXMAN_OP_EXCLUSION: + case PIXMAN_OP_HSL_HUE: + case PIXMAN_OP_HSL_SATURATION: + case PIXMAN_OP_HSL_COLOR: + case PIXMAN_OP_HSL_LUMINOSITY: + default: + abort(); + return 0; /* silence MSVC */ + } +#undef mult_chan +} + +void +do_composite (pixman_op_t op, + const color_t *src, + const color_t *mask, + const color_t *dst, + color_t *result, + pixman_bool_t component_alpha) +{ + color_t srcval, srcalpha; + + if (mask == NULL) + { + srcval = *src; + + srcalpha.r = src->a; + srcalpha.g = src->a; + srcalpha.b = src->a; + srcalpha.a = src->a; + } + else if (component_alpha) + { + srcval.r = src->r * mask->r; + srcval.g = src->g * mask->g; + srcval.b = src->b * mask->b; + srcval.a = src->a * mask->a; + + srcalpha.r = src->a * mask->r; + srcalpha.g = src->a * mask->g; + srcalpha.b = src->a * mask->b; + srcalpha.a = src->a * mask->a; + } + else + { + srcval.r = src->r * mask->a; + srcval.g = src->g * mask->a; + srcval.b = src->b * mask->a; + srcval.a = src->a * mask->a; + + srcalpha.r = src->a * mask->a; + srcalpha.g = src->a * mask->a; + srcalpha.b = src->a * mask->a; + srcalpha.a = src->a * mask->a; + } + + result->r = calc_op (op, srcval.r, dst->r, srcalpha.r, dst->a); + result->g = calc_op (op, srcval.g, dst->g, srcalpha.g, dst->a); + result->b = calc_op (op, srcval.b, dst->b, srcalpha.b, dst->a); + result->a = calc_op (op, srcval.a, dst->a, srcalpha.a, dst->a); +} + +static double +round_channel (double p, int m) +{ + int t; + double r; + + t = p * ((1 << m)); + t -= t >> m; + + r = t / (double)((1 << m) - 1); + + return r; +} + +void +round_color (pixman_format_code_t format, color_t *color) +{ + if (PIXMAN_FORMAT_R (format) == 0) + { + color->r = 0.0; + color->g = 0.0; + color->b = 0.0; + } + else + { + color->r = round_channel (color->r, PIXMAN_FORMAT_R (format)); + color->g = round_channel (color->g, PIXMAN_FORMAT_G (format)); + color->b = round_channel (color->b, PIXMAN_FORMAT_B (format)); + } + + if (PIXMAN_FORMAT_A (format) == 0) + color->a = 1; + else + color->a = round_channel (color->a, PIXMAN_FORMAT_A (format)); +} + +/* Check whether @pixel is a valid quantization of the a, r, g, b + * parameters. Some slack is permitted. + */ +void +pixel_checker_init (pixel_checker_t *checker, pixman_format_code_t format) +{ + assert (PIXMAN_FORMAT_VIS (format)); + + checker->format = format; + + switch (PIXMAN_FORMAT_TYPE (format)) + { + case PIXMAN_TYPE_A: + checker->bs = 0; + checker->gs = 0; + checker->rs = 0; + checker->as = 0; + break; + + case PIXMAN_TYPE_ARGB: + case PIXMAN_TYPE_ARGB_SRGB: + checker->bs = 0; + checker->gs = checker->bs + PIXMAN_FORMAT_B (format); + checker->rs = checker->gs + PIXMAN_FORMAT_G (format); + checker->as = checker->rs + PIXMAN_FORMAT_R (format); + break; + + case PIXMAN_TYPE_ABGR: + checker->rs = 0; + checker->gs = checker->rs + PIXMAN_FORMAT_R (format); + checker->bs = checker->gs + PIXMAN_FORMAT_G (format); + checker->as = checker->bs + PIXMAN_FORMAT_B (format); + break; + + case PIXMAN_TYPE_BGRA: + /* With BGRA formats we start counting at the high end of the pixel */ + checker->bs = PIXMAN_FORMAT_BPP (format) - PIXMAN_FORMAT_B (format); + checker->gs = checker->bs - PIXMAN_FORMAT_B (format); + checker->rs = checker->gs - PIXMAN_FORMAT_G (format); + checker->as = checker->rs - PIXMAN_FORMAT_R (format); + break; + + case PIXMAN_TYPE_RGBA: + /* With BGRA formats we start counting at the high end of the pixel */ + checker->rs = PIXMAN_FORMAT_BPP (format) - PIXMAN_FORMAT_R (format); + checker->gs = checker->rs - PIXMAN_FORMAT_R (format); + checker->bs = checker->gs - PIXMAN_FORMAT_G (format); + checker->as = checker->bs - PIXMAN_FORMAT_B (format); + break; + + default: + assert (0); + break; + } + + checker->am = ((1 << PIXMAN_FORMAT_A (format)) - 1) << checker->as; + checker->rm = ((1 << PIXMAN_FORMAT_R (format)) - 1) << checker->rs; + checker->gm = ((1 << PIXMAN_FORMAT_G (format)) - 1) << checker->gs; + checker->bm = ((1 << PIXMAN_FORMAT_B (format)) - 1) << checker->bs; + + checker->aw = PIXMAN_FORMAT_A (format); + checker->rw = PIXMAN_FORMAT_R (format); + checker->gw = PIXMAN_FORMAT_G (format); + checker->bw = PIXMAN_FORMAT_B (format); +} + +void +pixel_checker_split_pixel (const pixel_checker_t *checker, uint32_t pixel, + int *a, int *r, int *g, int *b) +{ + *a = (pixel & checker->am) >> checker->as; + *r = (pixel & checker->rm) >> checker->rs; + *g = (pixel & checker->gm) >> checker->gs; + *b = (pixel & checker->bm) >> checker->bs; +} + +void +pixel_checker_get_masks (const pixel_checker_t *checker, + uint32_t *am, + uint32_t *rm, + uint32_t *gm, + uint32_t *bm) +{ + if (am) + *am = checker->am; + if (rm) + *rm = checker->rm; + if (gm) + *gm = checker->gm; + if (bm) + *bm = checker->bm; +} + +void +pixel_checker_convert_pixel_to_color (const pixel_checker_t *checker, + uint32_t pixel, color_t *color) +{ + int a, r, g, b; + + pixel_checker_split_pixel (checker, pixel, &a, &r, &g, &b); + + if (checker->am == 0) + color->a = 1.0; + else + color->a = a / (double)(checker->am >> checker->as); + + if (checker->rm == 0) + color->r = 0.0; + else + color->r = r / (double)(checker->rm >> checker->rs); + + if (checker->gm == 0) + color->g = 0.0; + else + color->g = g / (double)(checker->gm >> checker->gs); + + if (checker->bm == 0) + color->b = 0.0; + else + color->b = b / (double)(checker->bm >> checker->bs); + + if (PIXMAN_FORMAT_TYPE (checker->format) == PIXMAN_TYPE_ARGB_SRGB) + { + color->r = convert_srgb_to_linear (color->r); + color->g = convert_srgb_to_linear (color->g); + color->b = convert_srgb_to_linear (color->b); + } +} + +static int32_t +convert (double v, uint32_t width, uint32_t mask, uint32_t shift, double def) +{ + int32_t r; + + if (!mask) + v = def; + + r = (v * ((mask >> shift) + 1)); + r -= r >> width; + + return r; +} + +static void +get_limits (const pixel_checker_t *checker, double limit, + color_t *color, + int *ao, int *ro, int *go, int *bo) +{ + color_t tmp; + + if (PIXMAN_FORMAT_TYPE (checker->format) == PIXMAN_TYPE_ARGB_SRGB) + { + tmp.a = color->a; + tmp.r = convert_linear_to_srgb (color->r); + tmp.g = convert_linear_to_srgb (color->g); + tmp.b = convert_linear_to_srgb (color->b); + + color = &tmp; + } + + *ao = convert (color->a + limit, checker->aw, checker->am, checker->as, 1.0); + *ro = convert (color->r + limit, checker->rw, checker->rm, checker->rs, 0.0); + *go = convert (color->g + limit, checker->gw, checker->gm, checker->gs, 0.0); + *bo = convert (color->b + limit, checker->bw, checker->bm, checker->bs, 0.0); +} + +/* The acceptable deviation in units of [0.0, 1.0] + */ +#define DEVIATION (0.0064) + +void +pixel_checker_get_max (const pixel_checker_t *checker, color_t *color, + int *am, int *rm, int *gm, int *bm) +{ + get_limits (checker, DEVIATION, color, am, rm, gm, bm); +} + +void +pixel_checker_get_min (const pixel_checker_t *checker, color_t *color, + int *am, int *rm, int *gm, int *bm) +{ + get_limits (checker, - DEVIATION, color, am, rm, gm, bm); +} + +pixman_bool_t +pixel_checker_check (const pixel_checker_t *checker, uint32_t pixel, + color_t *color) +{ + int32_t a_lo, a_hi, r_lo, r_hi, g_lo, g_hi, b_lo, b_hi; + int32_t ai, ri, gi, bi; + pixman_bool_t result; + + pixel_checker_get_min (checker, color, &a_lo, &r_lo, &g_lo, &b_lo); + pixel_checker_get_max (checker, color, &a_hi, &r_hi, &g_hi, &b_hi); + pixel_checker_split_pixel (checker, pixel, &ai, &ri, &gi, &bi); + + result = + a_lo <= ai && ai <= a_hi && + r_lo <= ri && ri <= r_hi && + g_lo <= gi && gi <= g_hi && + b_lo <= bi && bi <= b_hi; + + return result; +} diff --git a/src/pixman/test/utils.h b/src/pixman/test/utils.h new file mode 100644 index 0000000..ebb14d9 --- /dev/null +++ b/src/pixman/test/utils.h @@ -0,0 +1,247 @@ +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif + +#include <assert.h> +#include "pixman-private.h" /* For 'inline' definition */ +#include "utils-prng.h" + +#if defined(_MSC_VER) +#define snprintf _snprintf +#define strcasecmp _stricmp +#endif + +#define ARRAY_LENGTH(A) ((int) (sizeof (A) / sizeof ((A) [0]))) + +/* A primitive pseudorandom number generator, + * taken from POSIX.1-2001 example + */ + +extern prng_t prng_state_data; +extern prng_t *prng_state; +#ifdef USE_OPENMP +#pragma omp threadprivate(prng_state_data) +#pragma omp threadprivate(prng_state) +#endif + +static inline uint32_t +prng_rand (void) +{ + return prng_rand_r (prng_state); +} + +static inline void +prng_srand (uint32_t seed) +{ + if (!prng_state) + { + /* Without setting a seed, PRNG does not work properly (is just + * returning zeros). So we only initialize the pointer here to + * make sure that 'prng_srand' is always called before any + * other 'prng_*' function. The wrongdoers violating this order + * will get a segfault. */ + prng_state = &prng_state_data; + } + prng_srand_r (prng_state, seed); +} + +static inline uint32_t +prng_rand_n (int max) +{ + return prng_rand () % max; +} + +static inline void +prng_randmemset (void *buffer, size_t size, prng_randmemset_flags_t flags) +{ + prng_randmemset_r (prng_state, buffer, size, flags); +} + +/* CRC 32 computation + */ +uint32_t +compute_crc32 (uint32_t in_crc32, + const void *buf, + size_t buf_len); + +uint32_t +compute_crc32_for_image (uint32_t in_crc32, + pixman_image_t *image); + +/* Print the image in hexadecimal */ +void +print_image (pixman_image_t *image); + +/* Returns TRUE if running on a little endian system + */ +static force_inline pixman_bool_t +is_little_endian (void) +{ + unsigned long endian_check_var = 1; + return *(unsigned char *)&endian_check_var == 1; +} + +/* perform endian conversion of pixel data + */ +void +image_endian_swap (pixman_image_t *img); + +/* Allocate memory that is bounded by protected pages, + * so that out-of-bounds access will cause segfaults + */ +void * +fence_malloc (int64_t len); + +void +fence_free (void *data); + +/* Generate n_bytes random bytes in fence_malloced memory */ +uint8_t * +make_random_bytes (int n_bytes); + +/* Return current time in seconds */ +double +gettime (void); + +uint32_t +get_random_seed (void); + +/* main body of the fuzzer test */ +int +fuzzer_test_main (const char *test_name, + int default_number_of_iterations, + uint32_t expected_checksum, + uint32_t (*test_function)(int testnum, int verbose), + int argc, + const char *argv[]); + +void +fail_after (int seconds, const char *msg); + +/* If possible, enable traps for floating point exceptions */ +void enable_divbyzero_exceptions(void); + +/* Converts a8r8g8b8 pixels to pixels that + * - are not premultiplied, + * - are stored in this order in memory: R, G, B, A, regardless of + * the endianness of the computer. + * It is allowed for @src and @dst to point to the same memory buffer. + */ +void +a8r8g8b8_to_rgba_np (uint32_t *dst, uint32_t *src, int n_pixels); + +pixman_bool_t +write_png (pixman_image_t *image, const char *filename); + +void +draw_checkerboard (pixman_image_t *image, + int check_size, + uint32_t color1, uint32_t color2); + +/* A pair of macros which can help to detect corruption of + * floating point registers after a function call. This may + * happen if _mm_empty() call is forgotten in MMX/SSE2 fast + * path code, or ARM NEON assembly optimized function forgets + * to save/restore d8-d15 registers before use. + */ + +#define FLOAT_REGS_CORRUPTION_DETECTOR_START() \ + static volatile double frcd_volatile_constant1 = 123451; \ + static volatile double frcd_volatile_constant2 = 123452; \ + static volatile double frcd_volatile_constant3 = 123453; \ + static volatile double frcd_volatile_constant4 = 123454; \ + static volatile double frcd_volatile_constant5 = 123455; \ + static volatile double frcd_volatile_constant6 = 123456; \ + static volatile double frcd_volatile_constant7 = 123457; \ + static volatile double frcd_volatile_constant8 = 123458; \ + double frcd_canary_variable1 = frcd_volatile_constant1; \ + double frcd_canary_variable2 = frcd_volatile_constant2; \ + double frcd_canary_variable3 = frcd_volatile_constant3; \ + double frcd_canary_variable4 = frcd_volatile_constant4; \ + double frcd_canary_variable5 = frcd_volatile_constant5; \ + double frcd_canary_variable6 = frcd_volatile_constant6; \ + double frcd_canary_variable7 = frcd_volatile_constant7; \ + double frcd_canary_variable8 = frcd_volatile_constant8; + +#define FLOAT_REGS_CORRUPTION_DETECTOR_FINISH() \ + assert (frcd_canary_variable1 == frcd_volatile_constant1); \ + assert (frcd_canary_variable2 == frcd_volatile_constant2); \ + assert (frcd_canary_variable3 == frcd_volatile_constant3); \ + assert (frcd_canary_variable4 == frcd_volatile_constant4); \ + assert (frcd_canary_variable5 == frcd_volatile_constant5); \ + assert (frcd_canary_variable6 == frcd_volatile_constant6); \ + assert (frcd_canary_variable7 == frcd_volatile_constant7); \ + assert (frcd_canary_variable8 == frcd_volatile_constant8); + +/* Try to get an aligned memory chunk */ +void * +aligned_malloc (size_t align, size_t size); + +double +convert_srgb_to_linear (double component); + +double +convert_linear_to_srgb (double component); + +void +initialize_palette (pixman_indexed_t *palette, uint32_t depth, int is_rgb); + +const char * +operator_name (pixman_op_t op); + +const char * +format_name (pixman_format_code_t format); + +typedef struct +{ + double r, g, b, a; +} color_t; + +void +do_composite (pixman_op_t op, + const color_t *src, + const color_t *mask, + const color_t *dst, + color_t *result, + pixman_bool_t component_alpha); + +void +round_color (pixman_format_code_t format, color_t *color); + +typedef struct +{ + pixman_format_code_t format; + uint32_t am, rm, gm, bm; + uint32_t as, rs, gs, bs; + uint32_t aw, rw, gw, bw; +} pixel_checker_t; + +void +pixel_checker_init (pixel_checker_t *checker, pixman_format_code_t format); + +void +pixel_checker_split_pixel (const pixel_checker_t *checker, uint32_t pixel, + int *a, int *r, int *g, int *b); + +void +pixel_checker_get_max (const pixel_checker_t *checker, color_t *color, + int *a, int *r, int *g, int *b); + +void +pixel_checker_get_min (const pixel_checker_t *checker, color_t *color, + int *a, int *r, int *g, int *b); + +pixman_bool_t +pixel_checker_check (const pixel_checker_t *checker, + uint32_t pixel, color_t *color); + +void +pixel_checker_convert_pixel_to_color (const pixel_checker_t *checker, + uint32_t pixel, color_t *color); + +void +pixel_checker_get_masks (const pixel_checker_t *checker, + uint32_t *am, + uint32_t *rm, + uint32_t *gm, + uint32_t *bm); |
