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rasterizer: Implemented combiner output scaling.

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This commit is contained in:
bunnei
2015-05-07 18:37:59 -04:00
parent ff767eeb40
commit 23e8be573e
2 changed files with 16 additions and 2 deletions
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13
src/video_core/pica.h
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@@ -300,7 +300,18 @@ struct Regs {
BitField<24, 8, u32> const_a;
};
INSERT_PADDING_WORDS(0x1);
union {
BitField< 0, 2, u32> color_scale;
BitField<16, 2, u32> alpha_scale;
};
inline unsigned GetColorMultiplier() const {
return (color_scale < 3) ? (1 << color_scale) : 1;
}
inline unsigned GetAlphaMultiplier() const {
return (alpha_scale < 3) ? (1 << alpha_scale) : 1;
}
};
TevStageConfig tev_stage0;

5
src/video_core/rasterizer.cpp
View File

@@ -597,7 +597,10 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0,
};
auto alpha_output = AlphaCombine(tev_stage.alpha_op, alpha_result);
combiner_output = Math::MakeVec(color_output, alpha_output);
combiner_output[0] = std::min((unsigned)255, color_output.r() * tev_stage.GetColorMultiplier());
combiner_output[1] = std::min((unsigned)255, color_output.g() * tev_stage.GetColorMultiplier());
combiner_output[2] = std::min((unsigned)255, color_output.b() * tev_stage.GetColorMultiplier());
combiner_output[3] = std::min((unsigned)255, alpha_output * tev_stage.GetAlphaMultiplier());
if (registers.tev_combiner_buffer_input.TevStageUpdatesCombinerBufferColor(tev_stage_index)) {
combiner_buffer.r() = combiner_output.r();