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Added support for floating point texture formats

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This commit is contained in:
Sam Lantinga 2024-02-01 11:22:04 -08:00
parent 90597aeaef
commit 7561116873
3 changed files with 29 additions and 5 deletions
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20
src/render/SDL_render.c
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@ -1383,6 +1383,17 @@ SDL_Texture *SDL_CreateTextureFromSurface(SDL_Renderer *renderer, SDL_Surface *s
}
}
/* Look for floating point pixel formats if needed */
if (format == SDL_PIXELFORMAT_UNKNOWN &&
(SDL_ISPIXELFORMAT_10BIT(fmt->format) || SDL_ISPIXELFORMAT_FLOAT(fmt->format))) {
for (i = 0; i < (int)renderer->info.num_texture_formats; ++i) {
if (SDL_ISPIXELFORMAT_FLOAT(renderer->info.texture_formats[i])) {
format = renderer->info.texture_formats[i];
break;
}
}
}
/* Fallback, choose a valid pixel format */
if (format == SDL_PIXELFORMAT_UNKNOWN) {
format = renderer->info.texture_formats[0];
@ -1410,9 +1421,12 @@ SDL_Texture *SDL_CreateTextureFromSurface(SDL_Renderer *renderer, SDL_Surface *s
}
if ((SDL_COLORSPACETRANSFER(colorspace) == SDL_TRANSFER_CHARACTERISTICS_PQ && !SDL_ISPIXELFORMAT_10BIT(format)) ||
(colorspace == SDL_COLORSPACE_SCRGB && !SDL_ISPIXELFORMAT_FLOAT(format))) {
/* Need to do SDR conversion */
colorspace = SDL_COLORSPACE_SRGB;
colorspace == SDL_COLORSPACE_SCRGB) {
if (SDL_ISPIXELFORMAT_FLOAT(format)) {
colorspace = SDL_COLORSPACE_SCRGB;
} else {
colorspace = SDL_COLORSPACE_SRGB;
}
}
props = SDL_CreateProperties();