commit c61497b744f64806eeea1b3d8289a5c97ca862da
author Sam Lantinga <slouken@libsdl.org> Wed Dec 03 21:21:52 2025 -0800
committer Sam Lantinga <slouken@libsdl.org> Wed Dec 03 21:21:52 2025 -0800
tree 52339a35345585efc2139bfef665aa92bc638764
parent d83fa92d58129cbbd4e2efea2db6cfa908b16c47

Account for indexed formats when matching texture formats

Fixes https://github.com/libsdl-org/SDL/issues/14569

src/render/SDL_render.c

diff --git a/src/render/SDL_render.c b/src/render/SDL_render.c
index a3c0632..c33a232 100644
--- a/src/render/SDL_render.c
+++ b/src/render/SDL_render.c
@@ -1476,11 +1476,13 @@
         }
     } else {
         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
         for (i = 0; i < renderer->num_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];
             }
         }