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First reasonable output appears.

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Henrik Rydgård committed 2026-01-11 20:26:49 +01:00
1 parent 4d8b8dd743
commit e027407900
9 files changed
+136 -255
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GPU/Common/SoftwareTransformCommon.cpp
+5 -5
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@@ -567,15 +567,15 @@ void SoftwareTransform::BuildDrawingParams(int prim, int vertexCount, u32 vertTy
void SoftwareTransform::CalcCullParams(float &minZValue, float &maxZValue) const {
// The projected Z can be up to 0x3F8000FF, which is where this constant is from.
// It seems like it may only maintain 15 mantissa bits (excluding implied.)
maxZValue = 1.000030517578125f * gstate_c.vpDepthScale;
maxZValue = 1.000030517578125f * gstate.getViewportZScale();
minZValue = -maxZValue;
// Scale and offset the Z appropriately, since we baked that into a projection transform.
if (params_.usesHalfZ) {
maxZValue = maxZValue * 0.5f + 0.5f + gstate_c.vpZOffset * 0.5f;
minZValue = minZValue * 0.5f + 0.5f + gstate_c.vpZOffset * 0.5f;
maxZValue = maxZValue * 0.5f + 0.5f + gstate.getViewportZCenter() * 0.5f;
minZValue = minZValue * 0.5f + 0.5f + gstate.getViewportZCenter() * 0.5f;
} else {
maxZValue += gstate_c.vpZOffset;
minZValue += gstate_c.vpZOffset;
maxZValue += gstate.getViewportZCenter();
minZValue += gstate.getViewportZCenter();
}
// In case scale was negative, flip.
if (minZValue > maxZValue)