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Revert "Make sure fast path RGB <-> YUV conversions are using the same color primaries"

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This reverts commit ee87132385.

The supported conversions assume correct primaries for YUV converted to SRGB
This commit is contained in:
Sam Lantinga
2025-09-06 10:03:41 -07:00
parent 61e41c61dc
commit d21da8644b
1 changed files with 14 additions and 19 deletions
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33
src/video/SDL_yuv.c
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@@ -595,29 +595,26 @@ bool SDL_ConvertPixels_YUV_to_RGB(int width, int height,
const Uint8 *v = NULL;
Uint32 y_stride = 0;
Uint32 uv_stride = 0;
YCbCrType yuv_type = YCBCR_601_LIMITED;
if (!GetYUVPlanes(width, height, src_format, src, src_pitch, &y, &u, &v, &y_stride, &uv_stride)) {
return false;
}
if (SDL_COLORSPACEPRIMARIES(src_colorspace) == SDL_COLORSPACEPRIMARIES(dst_colorspace)) {
YCbCrType yuv_type = YCBCR_601_LIMITED;
if (!GetYUVConversionType(src_colorspace, &yuv_type)) {
return false;
}
if (!GetYUVConversionType(src_colorspace, &yuv_type)) {
return false;
}
if (yuv_rgb_sse(src_format, dst_format, width, height, y, u, v, y_stride, uv_stride, (Uint8 *)dst, dst_pitch, yuv_type)) {
return true;
}
if (yuv_rgb_sse(src_format, dst_format, width, height, y, u, v, y_stride, uv_stride, (Uint8 *)dst, dst_pitch, yuv_type)) {
return true;
}
if (yuv_rgb_lsx(src_format, dst_format, width, height, y, u, v, y_stride, uv_stride, (Uint8 *)dst, dst_pitch, yuv_type)) {
return true;
}
if (yuv_rgb_lsx(src_format, dst_format, width, height, y, u, v, y_stride, uv_stride, (Uint8 *)dst, dst_pitch, yuv_type)) {
return true;
}
if (yuv_rgb_std(src_format, dst_format, width, height, y, u, v, y_stride, uv_stride, (Uint8 *)dst, dst_pitch, yuv_type)) {
return true;
}
if (yuv_rgb_std(src_format, dst_format, width, height, y, u, v, y_stride, uv_stride, (Uint8 *)dst, dst_pitch, yuv_type)) {
return true;
}
// No fast path for the RGB format, instead convert using an intermediate buffer
@@ -1158,14 +1155,12 @@ bool SDL_ConvertPixels_RGB_to_YUV(int width, int height,
#endif
// ARGB8888 to FOURCC
if ((src_format == SDL_PIXELFORMAT_ARGB8888 || src_format == SDL_PIXELFORMAT_XRGB8888) &&
SDL_COLORSPACEPRIMARIES(src_colorspace) == SDL_COLORSPACEPRIMARIES(dst_colorspace)) {
if (src_format == SDL_PIXELFORMAT_ARGB8888 || src_format == SDL_PIXELFORMAT_XRGB8888) {
return SDL_ConvertPixels_XRGB8888_to_YUV(width, height, src, src_pitch, dst_format, dst, dst_pitch, yuv_type);
}
if (dst_format == SDL_PIXELFORMAT_P010) {
if (src_format == SDL_PIXELFORMAT_XBGR2101010 &&
SDL_COLORSPACEPRIMARIES(src_colorspace) == SDL_COLORSPACEPRIMARIES(dst_colorspace)) {
if (src_format == SDL_PIXELFORMAT_XBGR2101010) {
return SDL_ConvertPixels_XBGR2101010_to_P010(width, height, src, src_pitch, dst_format, dst, dst_pitch, yuv_type);
}