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d3d9: Mask out alpha using KEEP stencil op.

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This commit is contained in:
Unknown W. Brackets 2014-09-21 12:47:39 -07:00
parent ae87024a0d
commit dc6c88d147
1 changed files with 18 additions and 2 deletions
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20
GPU/Directx9/StateMappingDX9.cpp
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@ -483,10 +483,13 @@ void TransformDrawEngineDX9::ApplyDrawState(int prim) {
dxstate.depthTest.enable();
dxstate.depthFunc.set(D3DCMP_ALWAYS);
dxstate.depthWrite.set(gstate.isClearModeDepthMask());
if (gstate.isClearModeDepthMask()) {
framebufferManager_->SetDepthUpdated();
}
// Color Test
bool colorMask = (gstate.clearmode >> 8) & 1;
bool alphaMask = (gstate.clearmode >> 9) & 1;
bool colorMask = gstate.isClearModeColorMask();
bool alphaMask = gstate.isClearModeAlphaMask();
dxstate.colorMask.set(colorMask, colorMask, colorMask, alphaMask);
// Stencil Test
@ -509,6 +512,9 @@ void TransformDrawEngineDX9::ApplyDrawState(int prim) {
dxstate.depthTest.enable();
dxstate.depthFunc.set(ztests[gstate.getDepthTestFunction()]);
dxstate.depthWrite.set(gstate.isDepthWriteEnabled());
if (gstate.isDepthWriteEnabled()) {
framebufferManager_->SetDepthUpdated();
}
} else {
dxstate.depthTest.disable();
}
@ -534,6 +540,16 @@ void TransformDrawEngineDX9::ApplyDrawState(int prim) {
}
#endif
// Let's not write to alpha if stencil isn't enabled.
if (!gstate.isStencilTestEnabled()) {
amask = false;
} else {
// If the stencil type is set to KEEP, we shouldn't write to the stencil/alpha channel.
if (ReplaceAlphaWithStencilType() == STENCIL_VALUE_KEEP) {
amask = false;
}
}
dxstate.colorMask.set(rmask, gmask, bmask, amask);
// Stencil Test