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metal: clamp scissor rect to be within the active RT

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This commit is contained in:
Alex Szpakowski
2021-03-30 19:27:52 -03:00
parent aad0810e11
commit 2064c140ac
1 changed files with 8 additions and 1 deletions
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src/modules/graphics/metal/Graphics.mm
+8 -1
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@@ -597,12 +597,19 @@ void Graphics::applyRenderState(id<MTLRenderCommandEncoder> encoder, const Verte
if (state.scissor) if (state.scissor)
{ {
// TODO: clamping
double dpiscale = getCurrentDPIScale(); double dpiscale = getCurrentDPIScale();
rect.x = (NSUInteger)(state.scissorRect.x*dpiscale); rect.x = (NSUInteger)(state.scissorRect.x*dpiscale);
rect.y = (NSUInteger)(state.scissorRect.y*dpiscale); rect.y = (NSUInteger)(state.scissorRect.y*dpiscale);
rect.width = (NSUInteger)(state.scissorRect.w*dpiscale); rect.width = (NSUInteger)(state.scissorRect.w*dpiscale);
rect.height = (NSUInteger)(state.scissorRect.h*dpiscale); rect.height = (NSUInteger)(state.scissorRect.h*dpiscale);
if (rtw > 0 && (int)rect.x >= rtw)
rect.x = rtw - 1;
if (rth > 0 && (int)rect.y >= rth)
rect.y = rth - 1;
rect.width = std::min(rect.width, rtw - rect.x);
rect.height = std::min(rect.height, rth - rect.y);
} }
[encoder setScissorRect:rect]; [encoder setScissorRect:rect];