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Bug 904214 - Don't initialize component alpha blend state if its not in use. r=nrc

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This commit is contained in:
Jim Mathies 2013-08-22 19:28:03 -05:00
parent e6ba4d9285
commit a81fcc97ef
1 changed files with 19 additions and 15 deletions
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34
gfx/layers/d3d11/CompositorD3D11.cpp
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@ -221,20 +221,22 @@ CompositorD3D11::Initialize()
return false;
}
D3D11_RENDER_TARGET_BLEND_DESC rtBlendComponent = {
TRUE,
D3D11_BLEND_ONE,
D3D11_BLEND_INV_SRC1_COLOR,
D3D11_BLEND_OP_ADD,
D3D11_BLEND_ONE,
D3D11_BLEND_INV_SRC_ALPHA,
D3D11_BLEND_OP_ADD,
D3D11_COLOR_WRITE_ENABLE_ALL
};
blendDesc.RenderTarget[0] = rtBlendComponent;
hr = mDevice->CreateBlendState(&blendDesc, byRef(mAttachments->mComponentBlendState));
if (FAILED(hr)) {
return false;
if (gfxPlatform::ComponentAlphaEnabled()) {
D3D11_RENDER_TARGET_BLEND_DESC rtBlendComponent = {
TRUE,
D3D11_BLEND_ONE,
D3D11_BLEND_INV_SRC1_COLOR,
D3D11_BLEND_OP_ADD,
D3D11_BLEND_ONE,
D3D11_BLEND_INV_SRC_ALPHA,
D3D11_BLEND_OP_ADD,
D3D11_COLOR_WRITE_ENABLE_ALL
};
blendDesc.RenderTarget[0] = rtBlendComponent;
hr = mDevice->CreateBlendState(&blendDesc, byRef(mAttachments->mComponentBlendState));
if (FAILED(hr)) {
return false;
}
}
}
@ -808,7 +810,9 @@ CompositorD3D11::CreateShaders()
LOAD_PIXEL_SHADER(RGBShader);
LOAD_PIXEL_SHADER(RGBAShader);
LOAD_PIXEL_SHADER(YCbCrShader);
LOAD_PIXEL_SHADER(ComponentAlphaShader);
if (gfxPlatform::ComponentAlphaEnabled()) {
LOAD_PIXEL_SHADER(ComponentAlphaShader);
}
#undef LOAD_PIXEL_SHADER