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GPU: Try a bit harder to determine safe size.

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Unknown W. Brackets 2020-05-23 00:54:22 -07:00
parent ea1f0a1195
commit 1432cc9431
1 changed files with 17 additions and 1 deletions
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18
GPU/Common/SoftwareTransformCommon.cpp
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@ -445,7 +445,7 @@ void SoftwareTransform::Decode(int prim, u32 vertType, const DecVtxFormat &decVt
int scissorX2 = gstate.getScissorX2() + 1;
int scissorY2 = gstate.getScissorY2() + 1;
reallyAClear = IsReallyAClear(transformed, maxIndex, scissorX2, scissorY2);
if (reallyAClear) {
if (reallyAClear && gstate.getColorMask() != 0 && gstate.getClearModeColorMask() != 0) {
result->setSafeSize = true;
result->safeWidth = scissorX2;
result->safeHeight = scissorY2;
@ -466,6 +466,22 @@ void SoftwareTransform::Decode(int prim, u32 vertType, const DecVtxFormat &decVt
return;
}
}
// Detect full screen "clears" that might not be so obvious, to set the safe size if possible.
if (!result->setSafeSize && prim == GE_PRIM_RECTANGLES && maxIndex == 2) {
bool clearingColor = gstate.isModeClear() && gstate.getClearModeColorMask() != 0;
bool writingColor = gstate.getColorMask() != 0;
bool startsZeroX = transformed[0].x <= 0.0f && transformed[1].x > transformed[0].x;
bool startsZeroY = transformed[0].y <= 0.0f && transformed[1].y > transformed[0].y;
if (startsZeroX && startsZeroY && (clearingColor || writingColor)) {
int scissorX2 = gstate.getScissorX2() + 1;
int scissorY2 = gstate.getScissorY2() + 1;
result->setSafeSize = true;
result->safeWidth = std::min(scissorX2, (int)transformed[1].x);
result->safeHeight = std::min(scissorY2, (int)transformed[1].y);
}
}
}
// Also, this assumes SetTexture() has already figured out the actual texture height.