diff options
Diffstat (limited to 'libavfilter/x86/vf_gradfun.c')
| -rw-r--r-- | libavfilter/x86/vf_gradfun.c | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/libavfilter/x86/vf_gradfun.c b/libavfilter/x86/vf_gradfun.c deleted file mode 100644 index f739047..0000000 --- a/libavfilter/x86/vf_gradfun.c +++ /dev/null @@ -1,217 +0,0 @@ -/* - * Copyright (C) 2009 Loren Merritt <lorenm@u.washington.edu> - * - * This file is part of Libav. - * - * Libav is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2.1 of the License, or (at your option) any later version. - * - * Libav is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with Libav; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include "libavutil/attributes.h" -#include "libavutil/cpu.h" -#include "libavutil/mem.h" -#include "libavutil/x86/asm.h" -#include "libavfilter/gradfun.h" - -#if HAVE_INLINE_ASM - -DECLARE_ALIGNED(16, static const uint16_t, pw_7f)[8] = {0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F,0x7F}; -DECLARE_ALIGNED(16, static const uint16_t, pw_ff)[8] = {0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF}; - -#if HAVE_MMXEXT_INLINE -static void gradfun_filter_line_mmxext(uint8_t *dst, uint8_t *src, uint16_t *dc, - int width, int thresh, - const uint16_t *dithers) -{ - intptr_t x; - if (width & 3) { - x = width & ~3; - ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2, width - x, thresh, dithers); - width = x; - } - x = -width; - __asm__ volatile( - "movd %4, %%mm5 \n" - "pxor %%mm7, %%mm7 \n" - "pshufw $0, %%mm5, %%mm5 \n" - "movq %6, %%mm6 \n" - "movq (%5), %%mm3 \n" - "movq 8(%5), %%mm4 \n" - - "1: \n" - "movd (%2,%0), %%mm0 \n" - "movd (%3,%0), %%mm1 \n" - "punpcklbw %%mm7, %%mm0 \n" - "punpcklwd %%mm1, %%mm1 \n" - "psllw $7, %%mm0 \n" - "pxor %%mm2, %%mm2 \n" - "psubw %%mm0, %%mm1 \n" // delta = dc - pix - "psubw %%mm1, %%mm2 \n" - "pmaxsw %%mm1, %%mm2 \n" - "pmulhuw %%mm5, %%mm2 \n" // m = abs(delta) * thresh >> 16 - "psubw %%mm6, %%mm2 \n" - "pminsw %%mm7, %%mm2 \n" // m = -max(0, 127-m) - "pmullw %%mm2, %%mm2 \n" - "paddw %%mm3, %%mm0 \n" // pix += dither - "psllw $2, %%mm1 \n" // m = m*m*delta >> 14 - "pmulhw %%mm2, %%mm1 \n" - "paddw %%mm1, %%mm0 \n" // pix += m - "psraw $7, %%mm0 \n" - "packuswb %%mm0, %%mm0 \n" - "movd %%mm0, (%1,%0) \n" // dst = clip(pix>>7) - "add $4, %0 \n" - "jnl 2f \n" - - "movd (%2,%0), %%mm0 \n" - "movd (%3,%0), %%mm1 \n" - "punpcklbw %%mm7, %%mm0 \n" - "punpcklwd %%mm1, %%mm1 \n" - "psllw $7, %%mm0 \n" - "pxor %%mm2, %%mm2 \n" - "psubw %%mm0, %%mm1 \n" // delta = dc - pix - "psubw %%mm1, %%mm2 \n" - "pmaxsw %%mm1, %%mm2 \n" - "pmulhuw %%mm5, %%mm2 \n" // m = abs(delta) * thresh >> 16 - "psubw %%mm6, %%mm2 \n" - "pminsw %%mm7, %%mm2 \n" // m = -max(0, 127-m) - "pmullw %%mm2, %%mm2 \n" - "paddw %%mm4, %%mm0 \n" // pix += dither - "psllw $2, %%mm1 \n" // m = m*m*delta >> 14 - "pmulhw %%mm2, %%mm1 \n" - "paddw %%mm1, %%mm0 \n" // pix += m - "psraw $7, %%mm0 \n" - "packuswb %%mm0, %%mm0 \n" - "movd %%mm0, (%1,%0) \n" // dst = clip(pix>>7) - "add $4, %0 \n" - "jl 1b \n" - - "2: \n" - "emms \n" - :"+r"(x) - :"r"(dst+width), "r"(src+width), "r"(dc+width/2), - "rm"(thresh), "r"(dithers), "m"(*pw_7f) - :"memory" - ); -} -#endif - -#if HAVE_SSSE3_INLINE -static void gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers) -{ - intptr_t x; - if (width & 7) { - // could be 10% faster if I somehow eliminated this - x = width & ~7; - ff_gradfun_filter_line_c(dst + x, src + x, dc + x / 2, width - x, thresh, dithers); - width = x; - } - x = -width; - __asm__ volatile( - "movd %4, %%xmm5 \n" - "pxor %%xmm7, %%xmm7 \n" - "pshuflw $0,%%xmm5, %%xmm5 \n" - "movdqa %6, %%xmm6 \n" - "punpcklqdq %%xmm5, %%xmm5 \n" - "movdqa %5, %%xmm4 \n" - "1: \n" - "movq (%2,%0), %%xmm0 \n" - "movq (%3,%0), %%xmm1 \n" - "punpcklbw %%xmm7, %%xmm0 \n" - "punpcklwd %%xmm1, %%xmm1 \n" - "psllw $7, %%xmm0 \n" - "psubw %%xmm0, %%xmm1 \n" // delta = dc - pix - "pabsw %%xmm1, %%xmm2 \n" - "pmulhuw %%xmm5, %%xmm2 \n" // m = abs(delta) * thresh >> 16 - "psubw %%xmm6, %%xmm2 \n" - "pminsw %%xmm7, %%xmm2 \n" // m = -max(0, 127-m) - "pmullw %%xmm2, %%xmm2 \n" - "psllw $2, %%xmm1 \n" - "paddw %%xmm4, %%xmm0 \n" // pix += dither - "pmulhw %%xmm2, %%xmm1 \n" // m = m*m*delta >> 14 - "paddw %%xmm1, %%xmm0 \n" // pix += m - "psraw $7, %%xmm0 \n" - "packuswb %%xmm0, %%xmm0 \n" - "movq %%xmm0, (%1,%0) \n" // dst = clip(pix>>7) - "add $8, %0 \n" - "jl 1b \n" - :"+&r"(x) - :"r"(dst+width), "r"(src+width), "r"(dc+width/2), - "rm"(thresh), "m"(*dithers), "m"(*pw_7f) - :"memory" - ); -} -#endif /* HAVE_SSSE3_INLINE */ - -#if HAVE_SSE2_INLINE -static void gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width) -{ -#define BLURV(load)\ - intptr_t x = -2*width;\ - __asm__ volatile(\ - "movdqa %6, %%xmm7 \n"\ - "1: \n"\ - load" (%4,%0), %%xmm0 \n"\ - load" (%5,%0), %%xmm1 \n"\ - "movdqa %%xmm0, %%xmm2 \n"\ - "movdqa %%xmm1, %%xmm3 \n"\ - "psrlw $8, %%xmm0 \n"\ - "psrlw $8, %%xmm1 \n"\ - "pand %%xmm7, %%xmm2 \n"\ - "pand %%xmm7, %%xmm3 \n"\ - "paddw %%xmm1, %%xmm0 \n"\ - "paddw %%xmm3, %%xmm2 \n"\ - "paddw %%xmm2, %%xmm0 \n"\ - "paddw (%2,%0), %%xmm0 \n"\ - "movdqa (%1,%0), %%xmm1 \n"\ - "movdqa %%xmm0, (%1,%0) \n"\ - "psubw %%xmm1, %%xmm0 \n"\ - "movdqa %%xmm0, (%3,%0) \n"\ - "add $16, %0 \n"\ - "jl 1b \n"\ - :"+&r"(x)\ - :"r"(buf+width),\ - "r"(buf1+width),\ - "r"(dc+width),\ - "r"(src+width*2),\ - "r"(src+width*2+src_linesize),\ - "m"(*pw_ff)\ - :"memory"\ - ); - if (((intptr_t) src | src_linesize) & 15) { - BLURV("movdqu"); - } else { - BLURV("movdqa"); - } -} -#endif /* HAVE_SSE2_INLINE */ - -#endif /* HAVE_INLINE_ASM */ - -av_cold void ff_gradfun_init_x86(GradFunContext *gf) -{ -#if HAVE_MMXEXT_INLINE - int cpu_flags = av_get_cpu_flags(); - - if (cpu_flags & AV_CPU_FLAG_MMXEXT) - gf->filter_line = gradfun_filter_line_mmxext; -#endif -#if HAVE_SSSE3_INLINE - if (cpu_flags & AV_CPU_FLAG_SSSE3) - gf->filter_line = gradfun_filter_line_ssse3; -#endif -#if HAVE_SSE2_INLINE - if (cpu_flags & AV_CPU_FLAG_SSE2) - gf->blur_line = gradfun_blur_line_sse2; -#endif -} |
