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Bug 589097 - [D3D9] Incorrect alpha blending on canvas layers. r=bas, a=beta5+

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This commit is contained in:
Matt Woodrow 2010-08-23 20:57:22 -07:00
parent 35a7b7fe11
commit a4b8d433d4
2 changed files with 5 additions and 0 deletions
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2
gfx/layers/d3d9/CanvasLayerD3D9.cpp
View File

@ -242,11 +242,13 @@ CanvasLayerD3D9::RenderLayer()
if (!mGLBufferIsPremultiplied) {
device()->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
device()->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, TRUE);
}
device()->SetTexture(0, mTexture);
device()->DrawPrimitive(D3DPT_TRIANGLESTRIP, 0, 2);
if (!mGLBufferIsPremultiplied) {
device()->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
device()->SetRenderState(D3DRS_SEPARATEALPHABLENDENABLE, FALSE);
}
}

3
gfx/layers/d3d9/DeviceManagerD3D9.cpp
View File

@ -402,6 +402,9 @@ DeviceManagerD3D9::SetupRenderState()
mDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
mDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_ONE);
mDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, TRUE);
mDevice->SetRenderState(D3DRS_SRCBLENDALPHA, D3DBLEND_ONE);
mDevice->SetRenderState(D3DRS_DESTBLENDALPHA, D3DBLEND_INVSRCALPHA);
mDevice->SetRenderState(D3DRS_BLENDOPALPHA, D3DBLENDOP_ADD);
mDevice->SetSamplerState(0, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);
mDevice->SetSamplerState(0, D3DSAMP_ADDRESSV, D3DTADDRESS_CLAMP);
mDevice->SetSamplerState(1, D3DSAMP_ADDRESSU, D3DTADDRESS_CLAMP);