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Adjust alpha used for blending.
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@ -102,6 +102,7 @@ Nuanceur::CShaderBuilder CGSH_Direct3D9::GeneratePixelShader(SHADERCAPS caps)
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//Temporaries
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auto texCoord = CFloat2Lvalue(b.CreateTemporary());
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auto textureColor = CFloat4Lvalue(b.CreateTemporary());
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auto finalAlpha = CFloatLvalue(b.CreateTemporary());
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texCoord = inputTexCoord->xy() / inputTexCoord->zz();
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textureColor = NewFloat4(b, 1, 1, 1, 1);
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@ -129,7 +130,11 @@ Nuanceur::CShaderBuilder CGSH_Direct3D9::GeneratePixelShader(SHADERCAPS caps)
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textureColor = Sample(clutTexture, NewFloat2(colorIndex, NewFloat(b, 0)));
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}
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//For proper alpha blending, alpha has to be multiplied by 2 (0x80 -> 1.0)
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//This has the side effect of not writing a proper value in the framebuffer (should write alpha "as is")
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outputColor = inputColor * textureColor;
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finalAlpha = Saturate(outputColor->w() * NewFloat(b, 2));
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outputColor = NewFloat4(outputColor->xyz(),finalAlpha);
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}
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return b;
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