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Account for indexed formats when matching texture formats

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Fixes https://github.com/libsdl-org/SDL/issues/14569
This commit is contained in:
Sam Lantinga
2025-12-03 21:21:52 -08:00
parent d83fa92d58
commit c61497b744
1 changed files with 3 additions and 1 deletions
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4
src/render/SDL_render.c
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@@ -1476,11 +1476,13 @@ static SDL_PixelFormat GetClosestSupportedFormat(SDL_Renderer *renderer, SDL_Pix
} }
} else { } else {
bool hasAlpha = SDL_ISPIXELFORMAT_ALPHA(format); bool hasAlpha = SDL_ISPIXELFORMAT_ALPHA(format);
bool isIndexed = SDL_ISPIXELFORMAT_INDEXED(format);
// We just want to match the first format that has the same channels // We just want to match the first format that has the same channels
for (i = 0; i < renderer->num_texture_formats; ++i) { for (i = 0; i < renderer->num_texture_formats; ++i) {
if (!SDL_ISPIXELFORMAT_FOURCC(renderer->texture_formats[i]) && if (!SDL_ISPIXELFORMAT_FOURCC(renderer->texture_formats[i]) &&
SDL_ISPIXELFORMAT_ALPHA(renderer->texture_formats[i]) == hasAlpha) { SDL_ISPIXELFORMAT_ALPHA(renderer->texture_formats[i]) == hasAlpha &&
SDL_ISPIXELFORMAT_INDEXED(renderer->texture_formats[i]) == isIndexed) {
return renderer->texture_formats[i]; return renderer->texture_formats[i];
} }
} }