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D3D9: Fix texel to pixel mapping when sampling textures properly.

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NeoBrainX 2012-03-24 16:30:00 +01:00
commit 7a1744575d
5 changed files with 16 additions and 3 deletions
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7
Source/Core/VideoCommon/Src/VertexShaderGen.cpp
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@ -493,6 +493,13 @@ const char *GenerateVertexShaderCode(u32 components, API_TYPE api_type)
//seems to get rather complicated
}
if (api_type & API_D3D9)
{
// D3D9 is addressing pixel centers instead of pixel boundaries in clip space.
// Thus we need to offset the final position by half a pixel
WRITE(p, "o.pos = o.pos + float4("I_DEPTHPARAMS".z, "I_DEPTHPARAMS".w, 0.f, 0.f);\n");
}
WRITE(p, "return o;\n}\n");