return TRUE;
}
+/* Note: It's the caller's responsibility to ensure values can be expressed
+ * in the requested format. UNORM formats for example can only express values
+ * in the range 0.0f -> 1.0f. */
DWORD wined3d_format_convert_from_float(const struct wined3d_format_desc *format, const WINED3DCOLORVALUE *color)
{
- enum wined3d_format_id destfmt = format->id;
- unsigned int r, g, b, a;
- DWORD ret;
+ static const struct
+ {
+ enum wined3d_format_id format_id;
+ float r_mul;
+ float g_mul;
+ float b_mul;
+ float a_mul;
+ BYTE r_shift;
+ BYTE g_shift;
+ BYTE b_shift;
+ BYTE a_shift;
+ }
+ conv[] =
+ {
+ {WINED3DFMT_B8G8R8A8_UNORM, 255.0f, 255.0f, 255.0f, 255.0f, 16, 8, 0, 24},
+ {WINED3DFMT_B8G8R8X8_UNORM, 255.0f, 255.0f, 255.0f, 255.0f, 16, 8, 0, 24},
+ {WINED3DFMT_B8G8R8_UNORM, 255.0f, 255.0f, 255.0f, 255.0f, 16, 8, 0, 24},
+ {WINED3DFMT_B5G6R5_UNORM, 31.0f, 63.0f, 31.0f, 0.0f, 11, 5, 0, 0},
+ {WINED3DFMT_B5G5R5A1_UNORM, 31.0f, 31.0f, 31.0f, 1.0f, 10, 5, 0, 15},
+ {WINED3DFMT_B5G5R5X1_UNORM, 31.0f, 31.0f, 31.0f, 1.0f, 10, 5, 0, 15},
+ {WINED3DFMT_A8_UNORM, 0.0f, 0.0f, 0.0f, 255.0f, 0, 0, 0, 0},
+ {WINED3DFMT_B4G4R4A4_UNORM, 15.0f, 15.0f, 15.0f, 15.0f, 8, 4, 0, 12},
+ {WINED3DFMT_B4G4R4X4_UNORM, 15.0f, 15.0f, 15.0f, 15.0f, 8, 4, 0, 12},
+ {WINED3DFMT_B2G3R3_UNORM, 7.0f, 7.0f, 3.0f, 0.0f, 5, 2, 0, 0},
+ {WINED3DFMT_R8G8B8A8_UNORM, 255.0f, 255.0f, 255.0f, 255.0f, 0, 8, 16, 24},
+ {WINED3DFMT_R8G8B8X8_UNORM, 255.0f, 255.0f, 255.0f, 255.0f, 0, 8, 16, 24},
+ {WINED3DFMT_B10G10R10A2_UNORM, 1023.0f, 1023.0f, 1023.0f, 3.0f, 20, 10, 0, 30},
+ {WINED3DFMT_R10G10B10A2_UNORM, 1023.0f, 1023.0f, 1023.0f, 3.0f, 0, 10, 20, 30},
+ };
+ unsigned int i;
TRACE("Converting color {%.8e %.8e %.8e %.8e} to format %s.\n",
- color->r, color->g, color->b, color->a, debug_d3dformat(destfmt));
-
- r = (DWORD)((color->r * 255.0f) + 0.5f);
- g = (DWORD)((color->g * 255.0f) + 0.5f);
- b = (DWORD)((color->b * 255.0f) + 0.5f);
- a = (DWORD)((color->a * 255.0f) + 0.5f);
+ color->r, color->g, color->b, color->a, debug_d3dformat(format->id));
- switch(destfmt)
+ for (i = 0; i < sizeof(conv) / sizeof(*conv); ++i)
{
- case WINED3DFMT_B8G8R8A8_UNORM:
- case WINED3DFMT_B8G8R8X8_UNORM:
- case WINED3DFMT_B8G8R8_UNORM:
- ret = b;
- ret |= g << 8;
- ret |= r << 16;
- ret |= a << 24;
- TRACE("Returning 0x%08x.\n", ret);
- return ret;
-
+ DWORD ret;
- case WINED3DFMT_B5G6R5_UNORM:
- if(r == 0xff && g == 0xff && b == 0xff) return 0xffff;
- r = (r * 32) / 256;
- g = (g * 64) / 256;
- b = (b * 32) / 256;
- ret = r << 11;
- ret |= g << 5;
- ret |= b;
- TRACE("Returning %08x\n", ret);
- return ret;
+ if (format->id != conv[i].format_id) continue;
- case WINED3DFMT_B5G5R5X1_UNORM:
- case WINED3DFMT_B5G5R5A1_UNORM:
- a = (a * 2) / 256;
- r = (r * 32) / 256;
- g = (g * 32) / 256;
- b = (b * 32) / 256;
- ret = a << 15;
- ret |= r << 10;
- ret |= g << 5;
- ret |= b << 0;
- TRACE("Returning %08x\n", ret);
- return ret;
-
- case WINED3DFMT_A8_UNORM:
- TRACE("Returning %08x\n", a);
- return a;
+ ret = ((DWORD)((color->r * conv[i].r_mul) + 0.5f)) << conv[i].r_shift;
+ ret |= ((DWORD)((color->g * conv[i].g_mul) + 0.5f)) << conv[i].g_shift;
+ ret |= ((DWORD)((color->b * conv[i].b_mul) + 0.5f)) << conv[i].b_shift;
+ ret |= ((DWORD)((color->a * conv[i].a_mul) + 0.5f)) << conv[i].a_shift;
- case WINED3DFMT_B4G4R4X4_UNORM:
- case WINED3DFMT_B4G4R4A4_UNORM:
- a = (a * 16) / 256;
- r = (r * 16) / 256;
- g = (g * 16) / 256;
- b = (b * 16) / 256;
- ret = a << 12;
- ret |= r << 8;
- ret |= g << 4;
- ret |= b << 0;
- TRACE("Returning %08x\n", ret);
- return ret;
+ TRACE("Returning 0x%08x.\n", ret);
- case WINED3DFMT_B2G3R3_UNORM:
- r = (r * 8) / 256;
- g = (g * 8) / 256;
- b = (b * 4) / 256;
- ret = r << 5;
- ret |= g << 2;
- ret |= b << 0;
- TRACE("Returning %08x\n", ret);
- return ret;
-
- case WINED3DFMT_R8G8B8X8_UNORM:
- case WINED3DFMT_R8G8B8A8_UNORM:
- ret = a << 24;
- ret |= b << 16;
- ret |= g << 8;
- ret |= r << 0;
- TRACE("Returning %08x\n", ret);
- return ret;
+ return ret;
+ }
- case WINED3DFMT_B10G10R10A2_UNORM:
- a = (a * 4) / 256;
- r = (r * 1024) / 256;
- g = (g * 1024) / 256;
- b = (b * 1024) / 256;
- ret = a << 30;
- ret |= r << 20;
- ret |= g << 10;
- ret |= b << 0;
- TRACE("Returning %08x\n", ret);
- return ret;
-
- case WINED3DFMT_R10G10B10A2_UNORM:
- a = (a * 4) / 256;
- r = (r * 1024) / 256;
- g = (g * 1024) / 256;
- b = (b * 1024) / 256;
- ret = a << 30;
- ret |= b << 20;
- ret |= g << 10;
- ret |= r << 0;
- TRACE("Returning %08x\n", ret);
- return ret;
+ FIXME("Conversion for format %s not implemented.\n", debug_d3dformat(format->id));
- default:
- FIXME("Add a COLORFILL conversion for format %s\n", debug_d3dformat(destfmt));
- return 0;
- }
+ return 0;
}
/* DirectDraw stuff */
projects / wine / commitdiff
