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shader/memory: Implement RED.E.ADD

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Implements a reduction operation. It's an atomic operation that doesn't
return a value.

This commit introduces another primitive because some shading languages
might have a primitive for reduction operations.
This commit is contained in:
ReinUsesLisp 2020-04-06 02:24:47 -03:00
parent fd0a2b5151
commit 3185245845
5 changed files with 98 additions and 27 deletions
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24
src/video_core/renderer_opengl/gl_shader_decompiler.cpp
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@ -2119,8 +2119,14 @@ private:
return {};
}
return {fmt::format("atomic{}({}, {})", opname, Visit(operation[0]).GetCode(),
Visit(operation[1]).As(type)),
type};
Visit(operation[1]).AsUint()),
Type::Uint};
}
template <const std::string_view& opname, Type type>
Expression Reduce(Operation operation) {
code.AddLine("{};", Atomic<opname, type>(operation).GetCode());
return {};
}
Expression Branch(Operation operation) {
@ -2479,6 +2485,20 @@ private:
&GLSLDecompiler::Atomic<Func::Or, Type::Int>,
&GLSLDecompiler::Atomic<Func::Xor, Type::Int>,
&GLSLDecompiler::Reduce<Func::Add, Type::Uint>,
&GLSLDecompiler::Reduce<Func::Min, Type::Uint>,
&GLSLDecompiler::Reduce<Func::Max, Type::Uint>,
&GLSLDecompiler::Reduce<Func::And, Type::Uint>,
&GLSLDecompiler::Reduce<Func::Or, Type::Uint>,
&GLSLDecompiler::Reduce<Func::Xor, Type::Uint>,
&GLSLDecompiler::Reduce<Func::Add, Type::Int>,
&GLSLDecompiler::Reduce<Func::Min, Type::Int>,
&GLSLDecompiler::Reduce<Func::Max, Type::Int>,
&GLSLDecompiler::Reduce<Func::And, Type::Int>,
&GLSLDecompiler::Reduce<Func::Or, Type::Int>,
&GLSLDecompiler::Reduce<Func::Xor, Type::Int>,
&GLSLDecompiler::Branch,
&GLSLDecompiler::BranchIndirect,
&GLSLDecompiler::PushFlowStack,