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Add support for modulate and decal texture functions.

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This commit is contained in:
Jean-Philip Desjardins 2016-11-08 09:36:28 -05:00
parent 01a12a5fce
commit 22b7da30cf
3 changed files with 19 additions and 4 deletions
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2
Source/ui_win32/GSH_Direct3D9.cpp
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@ -1061,6 +1061,8 @@ void CGSH_Direct3D9::FillShaderCapsFromTexture(SHADERCAPS& shaderCaps, const uin
{
shaderCaps.texSourceMode = CGsPixelFormats::IsPsmIDTEX4(tex0.nPsm) ? TEXTURE_SOURCE_MODE_IDX4 : TEXTURE_SOURCE_MODE_IDX8;
}
shaderCaps.texFunction = tex0.nFunction;
}
void CGSH_Direct3D9::SetRenderingContext(uint64 primReg)

3
Source/ui_win32/GSH_Direct3D9.h
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@ -89,7 +89,8 @@ private:
struct SHADERCAPS : public convertible<uint32>
{
uint32 texSourceMode : 2;
uint32 padding : 30;
uint32 texFunction : 2;
uint32 padding : 28;
bool isIndexedTextureSource() const { return texSourceMode == TEXTURE_SOURCE_MODE_IDX4 || texSourceMode == TEXTURE_SOURCE_MODE_IDX8; }
};

18
Source/ui_win32/GSH_Direct3D9_Shader.cpp
View File

@ -130,11 +130,23 @@ Nuanceur::CShaderBuilder CGSH_Direct3D9::GeneratePixelShader(SHADERCAPS caps)
textureColor = Sample(clutTexture, NewFloat2(colorIndex, NewFloat(b, 0)));
}
switch(caps.texFunction)
{
case TEX0_FUNCTION_MODULATE:
textureColor = Clamp(textureColor * inputColor * NewFloat4(b, 2, 2, 2, 2),
NewFloat4(b, 0, 0, 0, 0), NewFloat4(b, 1, 1, 1, 1));
break;
case TEX0_FUNCTION_DECAL:
break;
default:
assert(0);
break;
}
//For proper alpha blending, alpha has to be multiplied by 2 (0x80 -> 1.0)
//This has the side effect of not writing a proper value in the framebuffer (should write alpha "as is")
outputColor = inputColor * textureColor;
finalAlpha = Saturate(outputColor->w() * NewFloat(b, 2));
outputColor = NewFloat4(outputColor->xyz(),finalAlpha);
finalAlpha = Saturate(textureColor->w() * NewFloat(b, 2));
outputColor = NewFloat4(textureColor->xyz(), finalAlpha);
}
return b;