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-rw-r--r--src/hw/display/tc6393xb_template.h72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/hw/display/tc6393xb_template.h b/src/hw/display/tc6393xb_template.h
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+++ b/src/hw/display/tc6393xb_template.h
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+/*
+ * Toshiba TC6393XB I/O Controller.
+ * Found in Sharp Zaurus SL-6000 (tosa) or some
+ * Toshiba e-Series PDAs.
+ *
+ * FB support code. Based on G364 fb emulator
+ *
+ * Copyright (c) 2007 Hervé Poussineau
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#if BITS == 8
+# define SET_PIXEL(addr, color) (*(uint8_t *)addr = color)
+#elif BITS == 15 || BITS == 16
+# define SET_PIXEL(addr, color) (*(uint16_t *)addr = color)
+#elif BITS == 24
+# define SET_PIXEL(addr, color) \
+ do { \
+ addr[0] = color; \
+ addr[1] = (color) >> 8; \
+ addr[2] = (color) >> 16; \
+ } while (0)
+#elif BITS == 32
+# define SET_PIXEL(addr, color) (*(uint32_t *)addr = color)
+#else
+# error unknown bit depth
+#endif
+
+
+static void glue(tc6393xb_draw_graphic, BITS)(TC6393xbState *s)
+{
+ DisplaySurface *surface = qemu_console_surface(s->con);
+ int i;
+ uint16_t *data_buffer;
+ uint8_t *data_display;
+
+ data_buffer = s->vram_ptr;
+ data_display = surface_data(surface);
+ for(i = 0; i < s->scr_height; i++) {
+#if (BITS == 16)
+ memcpy(data_display, data_buffer, s->scr_width * 2);
+ data_buffer += s->scr_width;
+ data_display += surface_stride(surface);
+#else
+ int j;
+ for (j = 0; j < s->scr_width; j++, data_display += BITS / 8, data_buffer++) {
+ uint16_t color = *data_buffer;
+ uint32_t dest_color = glue(rgb_to_pixel, BITS)(
+ ((color & 0xf800) * 0x108) >> 11,
+ ((color & 0x7e0) * 0x41) >> 9,
+ ((color & 0x1f) * 0x21) >> 2
+ );
+ SET_PIXEL(data_display, dest_color);
+ }
+#endif
+ }
+}
+
+#undef BITS
+#undef SET_PIXEL
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