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Update SDL_render_sw.c

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Fix the bug in the standard scaling path, SDL_RENDERCMD_COPY should follow the same pattern as SW_RenderCopyEx.
This commit is contained in:
MSRPP-dev
2026-03-02 17:37:35 +01:00
committed by Sam Lantinga
parent 34378609bb
commit 4dbf5811e9
1 changed files with 2 additions and 1 deletions
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src/render/software/SDL_render_sw.c
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@@ -868,7 +868,8 @@ static bool SW_RunCommandQueue(SDL_Renderer *renderer, SDL_RenderCommand *cmd, v
} else { } else {
// Prevent to do scaling + clipping on viewport boundaries as it may lose proportion // Prevent to do scaling + clipping on viewport boundaries as it may lose proportion
if (dstrect->x < 0 || dstrect->y < 0 || dstrect->x + dstrect->w > surface->w || dstrect->y + dstrect->h > surface->h) { if (dstrect->x < 0 || dstrect->y < 0 || dstrect->x + dstrect->w > surface->w || dstrect->y + dstrect->h > surface->h) {
SDL_Surface *tmp = SDL_CreateSurface(dstrect->w, dstrect->h, surface->format); SDL_PixelFormat tmp_format = SDL_ISPIXELFORMAT_ALPHA(src->format) ? SDL_PIXELFORMAT_ARGB8888 : surface->format;
SDL_Surface *tmp = SDL_CreateSurface(dstrect->w, dstrect->h, tmp_format);
// Scale to an intermediate surface, then blit // Scale to an intermediate surface, then blit
if (tmp) { if (tmp) {
SDL_Rect r; SDL_Rect r;