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Added SDL_GetPixelFormatFromGPUTextureFormat() and SDL_GetGPUTextureFormatFromPixelFormat()

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Fixes https://github.com/libsdl-org/SDL/issues/13899
This commit is contained in:
Sam Lantinga
2025-09-07 21:15:51 -07:00
parent d3a6be9607
commit 035eed351c
6 changed files with 93 additions and 59 deletions
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61
src/render/gpu/SDL_render_gpu.c
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@@ -117,63 +117,6 @@ static bool GPU_SupportsBlendMode(SDL_Renderer *renderer, SDL_BlendMode blendMod
return true;
}
static SDL_GPUTextureFormat PixFormatToTexFormat(SDL_PixelFormat pixel_format)
{
switch (pixel_format) {
case SDL_PIXELFORMAT_BGRA32:
case SDL_PIXELFORMAT_BGRX32:
return SDL_GPU_TEXTUREFORMAT_B8G8R8A8_UNORM;
case SDL_PIXELFORMAT_RGBA32:
case SDL_PIXELFORMAT_RGBX32:
return SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM;
// YUV TODO
case SDL_PIXELFORMAT_YV12:
case SDL_PIXELFORMAT_IYUV:
case SDL_PIXELFORMAT_NV12:
case SDL_PIXELFORMAT_NV21:
case SDL_PIXELFORMAT_UYVY:
default:
return SDL_GPU_TEXTUREFORMAT_INVALID;
}
}
static SDL_PixelFormat TexFormatToPixFormat(SDL_GPUTextureFormat tex_format)
{
switch (tex_format) {
case SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM:
return SDL_PIXELFORMAT_RGBA32;
case SDL_GPU_TEXTUREFORMAT_B8G8R8A8_UNORM:
return SDL_PIXELFORMAT_BGRA32;
case SDL_GPU_TEXTUREFORMAT_B5G6R5_UNORM:
return SDL_PIXELFORMAT_BGR565;
case SDL_GPU_TEXTUREFORMAT_B5G5R5A1_UNORM:
return SDL_PIXELFORMAT_BGRA5551;
case SDL_GPU_TEXTUREFORMAT_B4G4R4A4_UNORM:
return SDL_PIXELFORMAT_BGRA4444;
case SDL_GPU_TEXTUREFORMAT_R10G10B10A2_UNORM:
return SDL_PIXELFORMAT_ABGR2101010;
case SDL_GPU_TEXTUREFORMAT_R16G16B16A16_UNORM:
return SDL_PIXELFORMAT_RGBA64;
case SDL_GPU_TEXTUREFORMAT_R8G8B8A8_SNORM:
return SDL_PIXELFORMAT_RGBA32;
case SDL_GPU_TEXTUREFORMAT_R16G16B16A16_FLOAT:
return SDL_PIXELFORMAT_RGBA64_FLOAT;
case SDL_GPU_TEXTUREFORMAT_R32G32B32A32_FLOAT:
return SDL_PIXELFORMAT_RGBA128_FLOAT;
case SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UINT:
return SDL_PIXELFORMAT_RGBA32;
case SDL_GPU_TEXTUREFORMAT_R16G16B16A16_UINT:
return SDL_PIXELFORMAT_RGBA64;
case SDL_GPU_TEXTUREFORMAT_R8G8B8A8_UNORM_SRGB:
return SDL_PIXELFORMAT_RGBA32;
case SDL_GPU_TEXTUREFORMAT_B8G8R8A8_UNORM_SRGB:
return SDL_PIXELFORMAT_BGRA32;
default:
return SDL_PIXELFORMAT_UNKNOWN;
}
}
static bool GPU_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture, SDL_PropertiesID create_props)
{
GPU_RenderData *renderdata = (GPU_RenderData *)renderer->internal;
@@ -181,7 +124,7 @@ static bool GPU_CreateTexture(SDL_Renderer *renderer, SDL_Texture *texture, SDL_
SDL_GPUTextureFormat format;
SDL_GPUTextureUsageFlags usage = SDL_GPU_TEXTUREUSAGE_SAMPLER;
format = PixFormatToTexFormat(texture->format);
format = SDL_GetGPUTextureFormatFromPixelFormat(texture->format);
if (format == SDL_GPU_TEXTUREFORMAT_INVALID) {
return SDL_SetError("Texture format %s not supported by SDL_GPU",
@@ -952,7 +895,7 @@ static SDL_Surface *GPU_RenderReadPixels(SDL_Renderer *renderer, const SDL_Rect
pixfmt = texture->format;
} else {
gpu_tex = data->backbuffer.texture;
pixfmt = TexFormatToPixFormat(data->backbuffer.format);
pixfmt = SDL_GetPixelFormatFromGPUTextureFormat(data->backbuffer.format);
if (pixfmt == SDL_PIXELFORMAT_UNKNOWN) {
SDL_SetError("Unsupported backbuffer format");