diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/video_core/pica.h | 27 | ||||
-rw-r--r-- | src/video_core/rasterizer.cpp | 50 |
2 files changed, 67 insertions, 10 deletions
diff --git a/src/video_core/pica.h b/src/video_core/pica.h index 78603ebdf..2506bf78e 100644 --- a/src/video_core/pica.h +++ b/src/video_core/pica.h @@ -332,11 +332,21 @@ struct Regs { }; enum BlendFactor : u32 { - Zero = 0, - One = 1, - - SourceAlpha = 6, - OneMinusSourceAlpha = 7, + Zero = 0, + One = 1, + SourceColor = 2, + OneMinusSourceColor = 3, + DestColor = 4, + OneMinusDestColor = 5, + SourceAlpha = 6, + OneMinusSourceAlpha = 7, + DestAlpha = 8, + OneMinusDestAlpha = 9, + ConstantColor = 10, + OneMinusConstantColor = 11, + ConstantAlpha = 12, + OneMinusConstantAlpha = 13, + SourceAlphaSaturate = 14 }; BitField< 0, 8, BlendEquation> blend_equation_rgb; @@ -357,7 +367,12 @@ struct Regs { BitField<0, 4, Op> op; } logic_op; - INSERT_PADDING_WORDS(0x1); + union { + BitField< 0, 8, u32> r; + BitField< 8, 8, u32> g; + BitField<16, 8, u32> b; + BitField<24, 8, u32> a; + } blend_const; union { BitField< 0, 1, u32> enable; 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); |