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render: Skip UV check when software-rendering untextured quads

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Fixes a crash when calling SDL_RenderGeometryRaw() with both `texture`
and `uv` set to `NULL`, and with geometry that is laid out in a way
that passes the quad checks.

(cherry picked from commit 989de77f4f)
This commit is contained in:
nmlgc 2026-03-23 22:10:15 +01:00 • committed by Sam Lantinga
parent 4b8fcb468b
commit c4af41ba27
1 changed files with 1 additions and 1 deletions
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src/render/SDL_render.c
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@ -5157,7 +5157,7 @@ static bool SDLCALL SDL_SW_RenderGeometryRaw(SDL_Renderer *renderer,
}
// Check if UVs within range
if (is_quad) {
if (is_quad && uv) {
const float *uv0_ = (const float *)((const char *)uv + A * color_stride);
const float *uv1_ = (const float *)((const char *)uv + B * color_stride);
const float *uv2_ = (const float *)((const char *)uv + C * color_stride);