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Use YUV colorspaces instead of a global YUV conversion mode

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Fixes https://github.com/libsdl-org/SDL/issues/8669
This commit is contained in:
Sam Lantinga
2024-02-03 07:05:32 -08:00
parent 9e76f23561
commit 50a805cdd1
22 changed files with 361 additions and 327 deletions
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36
src/render/metal/SDL_render_metal.m
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@@ -638,20 +638,20 @@ static int METAL_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture, SDL
#if SDL_HAVE_YUV
if (yuv || nv12) {
size_t offset = 0;
SDL_YUV_CONVERSION_MODE mode = SDL_GetYUVConversionModeForResolution(texture->w, texture->h);
switch (mode) {
case SDL_YUV_CONVERSION_JPEG:
offset = CONSTANTS_OFFSET_DECODE_JPEG;
break;
case SDL_YUV_CONVERSION_BT601:
offset = CONSTANTS_OFFSET_DECODE_BT601;
break;
case SDL_YUV_CONVERSION_BT709:
offset = CONSTANTS_OFFSET_DECODE_BT709;
break;
default:
offset = 0;
break;
if (SDL_ISCOLORSPACE_YUV_BT601(texture->colorspace)) {
if (SDL_ISCOLORSPACE_LIMITED_RANGE(texture->colorspace)) {
offset = CONSTANTS_OFFSET_DECODE_BT601;
} else {
offset = CONSTANTS_OFFSET_DECODE_JPEG;
}
} else if (SDL_ISCOLORSPACE_YUV_BT709(texture->colorspace)) {
if (SDL_ISCOLORSPACE_LIMITED_RANGE(texture->colorspace)) {
offset = CONSTANTS_OFFSET_DECODE_BT709;
} else {
return SDL_SetError("Unsupported YUV conversion mode");
}
} else {
return SDL_SetError("Unsupported YUV conversion mode");
}
texturedata.conversionBufferOffset = offset;
}
@@ -1723,10 +1723,10 @@ static SDL_Renderer *METAL_CreateRenderer(SDL_Window *window, SDL_PropertiesID c
};
float decodetransformBT709[4 * 4] = {
0.0, -0.501960814, -0.501960814, 0.0, /* offset */
1.0000, 0.0000, 1.4020, 0.0, /* Rcoeff */
1.0000, -0.3441, -0.7141, 0.0, /* Gcoeff */
1.0000, 1.7720, 0.0000, 0.0, /* Bcoeff */
-0.0627451017, -0.501960814, -0.501960814, 0.0, /* offset */
1.1644, 0.0000, 1.7927, 0.0, /* Rcoeff */
1.1644, -0.2132, -0.5329, 0.0, /* Gcoeff */
1.1644, 2.1124, 0.0000, 0.0, /* Bcoeff */
};
if (!IsMetalAvailable()) {