libretro/ppsspp
1
0
Fork 0
mirror of https://github.com/libretro/ppsspp.git synced 2024-12-04 15:06:25 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Disable alpha test optimization with logic ops.

Browse Source 
We still need to discard the pixels in the case of a logic op, like
invert.  Otherwise we will invert the blended pixels too.

See #8632.
This commit is contained in:
Unknown W. Brackets 2016-03-12 09:25:59 -08:00
parent 3924d8bdea
commit 944a1f380b
1 changed files with 1 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
GPU/Common/GPUStateUtils.cpp
View File

@ -92,6 +92,7 @@ bool IsAlphaTestTriviallyTrue() {
return (gstate_c.vertexFullAlpha && (gstate_c.textureFullAlpha || !gstate.isTextureAlphaUsed())) || (
(!gstate.isStencilTestEnabled() &&
!gstate.isDepthTestEnabled() &&
(!gstate.isLogicOpEnabled() || gstate.getLogicOp() == GE_LOGIC_COPY) &&
gstate.getAlphaTestRef() == 0 &&
gstate.isAlphaBlendEnabled() &&
gstate.getBlendFuncA() == GE_SRCBLEND_SRCALPHA &&