forked from suyu/suyu
Pica/Rasterizer: Further enhance Tev support.
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parent
36291bc3f6
commit
77bb58afeb
1 changed files with 19 additions and 4 deletions
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@ -279,12 +279,15 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
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}
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};
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auto GetColorModifier = [](ColorModifier factor, const Math::Vec4<u8>& values) -> Math::Vec3<u8> {
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static auto GetColorModifier = [](ColorModifier factor, const Math::Vec4<u8>& values) -> Math::Vec3<u8> {
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switch (factor)
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{
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case ColorModifier::SourceColor:
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return values.rgb();
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case ColorModifier::OneMinusSourceColor:
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return (Math::Vec3<u8>(255, 255, 255) - values.rgb()).Cast<u8>();
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case ColorModifier::SourceAlpha:
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return { values.a(), values.a(), values.a() };
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@ -295,7 +298,7 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
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}
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};
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auto GetAlphaModifier = [](AlphaModifier factor, u8 value) -> u8 {
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static auto GetAlphaModifier = [](AlphaModifier factor, u8 value) -> u8 {
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switch (factor) {
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case AlphaModifier::SourceAlpha:
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return value;
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@ -310,7 +313,7 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
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}
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};
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auto ColorCombine = [](Operation op, const Math::Vec3<u8> input[3]) -> Math::Vec3<u8> {
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static auto ColorCombine = [](Operation op, const Math::Vec3<u8> input[3]) -> Math::Vec3<u8> {
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switch (op) {
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case Operation::Replace:
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return input[0];
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@ -330,6 +333,15 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
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case Operation::Lerp:
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return ((input[0] * input[2] + input[1] * (Math::MakeVec<u8>(255, 255, 255) - input[2]).Cast<u8>()) / 255).Cast<u8>();
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case Operation::Subtract:
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{
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auto result = input[0].Cast<int>() - input[1].Cast<int>();
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result.r() = std::max(0, result.r());
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result.g() = std::max(0, result.g());
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result.b() = std::max(0, result.b());
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return result.Cast<u8>();
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}
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default:
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LOG_ERROR(HW_GPU, "Unknown color combiner operation %d\n", (int)op);
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_dbg_assert_(HW_GPU, 0);
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@ -337,7 +349,7 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
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}
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};
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auto AlphaCombine = [](Operation op, const std::array<u8,3>& input) -> u8 {
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static auto AlphaCombine = [](Operation op, const std::array<u8,3>& input) -> u8 {
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switch (op) {
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case Operation::Replace:
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return input[0];
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@ -351,6 +363,9 @@ void ProcessTriangle(const VertexShader::OutputVertex& v0,
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case Operation::Lerp:
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return (input[0] * input[2] + input[1] * (255 - input[2])) / 255;
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case Operation::Subtract:
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return std::max(0, (int)input[0] - (int)input[1]);
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default:
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LOG_ERROR(HW_GPU, "Unknown alpha combiner operation %d\n", (int)op);
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_dbg_assert_(HW_GPU, 0);
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