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Pica: Implement LogicOp function.

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This commit is contained in:
bunnei 2015-05-25 18:39:03 -04:00
parent 3b5ff61201
commit e6ace38815
7 changed files with 135 additions and 8 deletions
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59
src/video_core/rasterizer.cpp
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@ -873,8 +873,63 @@ static void ProcessTriangleInternal(const VertexShader::OutputVertex& v0,
blend_output = EvaluateBlendEquation(combiner_output, srcfactor, dest, dstfactor, params.blend_equation_rgb);
blend_output.a() = EvaluateBlendEquation(combiner_output, srcfactor, dest, dstfactor, params.blend_equation_a).a();
} else {
LOG_CRITICAL(HW_GPU, "logic op: %x", output_merger.logic_op);
UNIMPLEMENTED();
static auto LogicOp = [](u8 src, u8 dest, Regs::LogicOp op) -> u8 {
switch (op) {
case Regs::LogicOp::Clear:
return 0;
case Regs::LogicOp::And:
return src & dest;
case Regs::LogicOp::AndReverse:
return src & ~dest;
case Regs::LogicOp::Copy:
return src;
case Regs::LogicOp::Set:
return 255;
case Regs::LogicOp::CopyInverted:
return ~src;
case Regs::LogicOp::NoOp:
return dest;
case Regs::LogicOp::Invert:
return ~dest;
case Regs::LogicOp::Nand:
return ~(src & dest);
case Regs::LogicOp::Or:
return src | dest;
case Regs::LogicOp::Nor:
return ~(src | dest);
case Regs::LogicOp::Xor:
return src ^ dest;
case Regs::LogicOp::Equiv:
return ~(src ^ dest);
case Regs::LogicOp::AndInverted:
return ~src & dest;
case Regs::LogicOp::OrReverse:
return src | ~dest;
case Regs::LogicOp::OrInverted:
return ~src | dest;
}
};
blend_output = Math::MakeVec(
LogicOp(combiner_output.r(), dest.r(), output_merger.logic_op),
LogicOp(combiner_output.g(), dest.g(), output_merger.logic_op),
LogicOp(combiner_output.b(), dest.b(), output_merger.logic_op),
LogicOp(combiner_output.a(), dest.a(), output_merger.logic_op));
}
const Math::Vec4<u8> result = {