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Merge pull request #15845 from unknownbrackets/gpu-depth-workaround

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GPU: Avoid using depth buffers for blending
This commit is contained in:
Henrik Rydgård
2022-08-15 12:53:41 +02:00
committed by GitHub
parent a35d261908 6060706fc8
commit 8d0c84bf0b
2 changed files with 5 additions and 1 deletions
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GPU/Common/FramebufferManagerCommon.cpp
+4 -1
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@@ -238,6 +238,9 @@ void GetFramebufferHeuristicInputs(FramebufferHeuristicParams *params, const GPU
}
params->isDrawing = !gstate.isModeClear() || !gstate.isClearModeColorMask() || !gstate.isClearModeAlphaMask();
params->isModeThrough = gstate.isModeThrough();
const bool alphaBlending = gstate.isAlphaBlendEnabled();
const bool logicOpBlending = gstate.isLogicOpEnabled() && gstate.getLogicOp() != GE_LOGIC_CLEAR && gstate.getLogicOp() != GE_LOGIC_COPY;
params->isBlending = alphaBlending || logicOpBlending;
// Viewport-X1 and Y1 are not the upper left corner, but half the width/height. A bit confusing.
float vpx = gstate.getViewportXScale();
@@ -321,7 +324,7 @@ VirtualFramebuffer *FramebufferManagerCommon::DoSetRenderFrameBuffer(const Frame
vfb->height = drawing_height;
}
break;
} else if (params.fb_address == v->z_address && params.fmt != GE_FORMAT_8888 && params.fb_stride == v->z_stride) {
} else if (params.fb_address == v->z_address && params.fmt != GE_FORMAT_8888 && params.fb_stride == v->z_stride && !params.isBlending) {
// Looks like the game might be intending to use color to write directly to a Z buffer.
// This is seen in Kuroyou 2.
GPU/Common/FramebufferManagerCommon.h
+1
View File
@@ -139,6 +139,7 @@ struct FramebufferHeuristicParams {
bool isWritingDepth;
bool isDrawing;
bool isModeThrough;
bool isBlending;
int viewportWidth;
int viewportHeight;
int regionWidth;