Commit 3bebdaccb7bff8c40438856081d404a7ce3def30
2022-03-15T10:37:17
METAL: clip rect w/h must be <= render pass
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diff --git a/src/render/metal/SDL_render_metal.m b/src/render/metal/SDL_render_metal.m
index 4e51a6d..329e5b3 100644
--- a/src/render/metal/SDL_render_metal.m
+++ b/src/render/metal/SDL_render_metal.m
@@ -1255,22 +1255,29 @@ SetDrawState(SDL_Renderer *renderer, const SDL_RenderCommand *cmd, const SDL_Met
}
if (statecache->cliprect_dirty) {
- MTLScissorRect mtlrect;
+ SDL_Rect output;
+ SDL_Rect clip;
if (statecache->cliprect_enabled) {
- const SDL_Rect *rect = &statecache->cliprect;
- mtlrect.x = statecache->viewport.x + rect->x;
- mtlrect.y = statecache->viewport.y + rect->y;
- mtlrect.width = rect->w;
- mtlrect.height = rect->h;
+ clip = statecache->cliprect;
+ clip.x += statecache->viewport.x;
+ clip.y += statecache->viewport.y;
} else {
- mtlrect.x = statecache->viewport.x;
- mtlrect.y = statecache->viewport.y;
- mtlrect.width = statecache->viewport.w;
- mtlrect.height = statecache->viewport.h;
+ clip = statecache->viewport;
}
- if (mtlrect.width > 0 && mtlrect.height > 0) {
+
+ /* Set Scissor Rect Validation: w/h must be <= render pass */
+ SDL_zero(output);
+ METAL_GetOutputSize(renderer, &output.w, &output.h);
+
+ if (SDL_IntersectRect(&output, &clip, &clip)) {
+ MTLScissorRect mtlrect;
+ mtlrect.x = clip.x;
+ mtlrect.y = clip.y;
+ mtlrect.width = clip.w;
+ mtlrect.height = clip.h;
[data.mtlcmdencoder setScissorRect:mtlrect];
}
+
statecache->cliprect_dirty = SDL_FALSE;
}