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author | Tony Wasserka <neobrainx@gmail.com> | 2015-02-01 12:00:10 +0100 |
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committer | Tony Wasserka <neobrainx@gmail.com> | 2015-02-01 12:00:10 +0100 |
commit | e1f9f9ea048f3f085e50463d9b0c7a0f99d9bc3c (patch) | |
tree | f30fcdd81d71e3ba51fc0459a280de8a324e71b6 /src/video_core/rasterizer.cpp | |
parent | Merge pull request #514 from rohit-n/fix-warnings (diff) | |
parent | Pica: Implement blend factors. (diff) | |
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Diffstat (limited to 'src/video_core/rasterizer.cpp')
-rw-r--r-- | src/video_core/rasterizer.cpp | 50 |
1 files changed, 46 insertions, 4 deletions
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp index 7f66c6d42..845f1c4b2 100644 --- a/src/video_core/rasterizer.cpp +++ b/src/video_core/rasterizer.cpp @@ -528,18 +528,48 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0, auto params = registers.output_merger.alpha_blending; auto LookupFactorRGB = [&](decltype(params)::BlendFactor factor) -> Math::Vec3<u8> { - switch(factor) { + switch (factor) { case params.Zero: return Math::Vec3<u8>(0, 0, 0); case params.One: return Math::Vec3<u8>(255, 255, 255); + case params.SourceColor: + return combiner_output.rgb(); + + case params.OneMinusSourceColor: + return Math::Vec3<u8>(255 - combiner_output.r(), 255 - combiner_output.g(), 255 - combiner_output.b()); + + case params.DestColor: + return dest.rgb(); + + case params.OneMinusDestColor: + return Math::Vec3<u8>(255 - dest.r(), 255 - dest.g(), 255 - dest.b()); + case params.SourceAlpha: - return Math::MakeVec(combiner_output.a(), combiner_output.a(), combiner_output.a()); + return Math::Vec3<u8>(combiner_output.a(), combiner_output.a(), combiner_output.a()); case params.OneMinusSourceAlpha: - return Math::Vec3<u8>(255-combiner_output.a(), 255-combiner_output.a(), 255-combiner_output.a()); + return Math::Vec3<u8>(255 - combiner_output.a(), 255 - combiner_output.a(), 255 - combiner_output.a()); + + case params.DestAlpha: + return Math::Vec3<u8>(dest.a(), dest.a(), dest.a()); + + case params.OneMinusDestAlpha: + return Math::Vec3<u8>(255 - dest.a(), 255 - dest.a(), 255 - dest.a()); + + case params.ConstantColor: + return Math::Vec3<u8>(registers.output_merger.blend_const.r, registers.output_merger.blend_const.g, registers.output_merger.blend_const.b); + + case params.OneMinusConstantColor: + return Math::Vec3<u8>(255 - registers.output_merger.blend_const.r, 255 - registers.output_merger.blend_const.g, 255 - registers.output_merger.blend_const.b); + + case params.ConstantAlpha: + return Math::Vec3<u8>(registers.output_merger.blend_const.a, registers.output_merger.blend_const.a, registers.output_merger.blend_const.a); + + case params.OneMinusConstantAlpha: + return Math::Vec3<u8>(255 - registers.output_merger.blend_const.a, 255 - registers.output_merger.blend_const.a, 255 - registers.output_merger.blend_const.a); default: LOG_CRITICAL(HW_GPU, "Unknown color blend factor %x", factor); @@ -549,7 +579,7 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0, }; auto LookupFactorA = [&](decltype(params)::BlendFactor factor) -> u8 { - switch(factor) { + switch (factor) { case params.Zero: return 0; @@ -562,6 +592,18 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0, case params.OneMinusSourceAlpha: return 255 - combiner_output.a(); + case params.DestAlpha: + return dest.a(); + + case params.OneMinusDestAlpha: + return 255 - dest.a(); + + case params.ConstantAlpha: + return registers.output_merger.blend_const.a; + + case params.OneMinusConstantAlpha: + return 255 - registers.output_merger.blend_const.a; + default: LOG_CRITICAL(HW_GPU, "Unknown alpha blend factor %x", factor); exit(0); |