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Merge pull request #3799 from ReinUsesLisp/iadd-cc

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shader: Implement P2R CC, IADD Rd.CC and IADD.X
This commit is contained in:
bunnei
2020-04-30 12:56:36 -04:00
committed by GitHub
parent da2b8295e1 871aadbe36
commit c7b5a87c90
7 changed files with 84 additions and 28 deletions
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11
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@ -1584,6 +1584,15 @@ private:
return {OpCompositeConstruct(t_half, low, high), Type::HalfFloat};
}
Expression LogicalAddCarry(Operation operation) {
const Id op_a = AsUint(Visit(operation[0]));
const Id op_b = AsUint(Visit(operation[1]));
const Id result = OpIAddCarry(TypeStruct({t_uint, t_uint}), op_a, op_b);
const Id carry = OpCompositeExtract(t_uint, result, 1);
return {OpINotEqual(t_bool, carry, Constant(t_uint, 0)), Type::Bool};
}
Expression LogicalAssign(Operation operation) {
const Node& dest = operation[0];
const Node& src = operation[1];
@ -2518,6 +2527,8 @@ private:
&SPIRVDecompiler::Binary<&Module::OpINotEqual, Type::Bool, Type::Uint>,
&SPIRVDecompiler::Binary<&Module::OpUGreaterThanEqual, Type::Bool, Type::Uint>,
&SPIRVDecompiler::LogicalAddCarry,
&SPIRVDecompiler::Binary<&Module::OpFOrdLessThan, Type::Bool2, Type::HalfFloat>,
&SPIRVDecompiler::Binary<&Module::OpFOrdEqual, Type::Bool2, Type::HalfFloat>,
&SPIRVDecompiler::Binary<&Module::OpFOrdLessThanEqual, Type::Bool2, Type::HalfFloat>,