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| author | bunnei <bunneidev@gmail.com> | 2015-05-25 06:40:01 +0200 |
|---|---|---|
| committer | bunnei <bunneidev@gmail.com> | 2015-05-31 07:52:40 +0200 |
| commit | 3b5ff61201e23068a4e4e526e3c51dd9732b7ae4 (patch) | |
| tree | 3e4104e5be4731d0e686c9358e237878503c7795 | |
| parent | vertex_shader: Use address offset on src2 in inverted mode. (diff) | |
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| -rw-r--r-- | src/video_core/rasterizer.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp index 6df3a74f2..8f39e609b 100644 --- a/src/video_core/rasterizer.cpp +++ b/src/video_core/rasterizer.cpp @@ -570,6 +570,13 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0, case Operation::Add: return std::min(255, input[0] + input[1]); + case Operation::AddSigned: + { + // TODO(bunnei): Verify that the color conversion from (float) 0.5f to (byte) 128 is correct + auto result = static_cast<int>(input[0]) + static_cast<int>(input[1]) - 128; + return static_cast<u8>(MathUtil::Clamp<int>(result, 0, 255)); + } + case Operation::Lerp: return (input[0] * input[2] + input[1] * (255 - input[2])) / 255; |