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shader/arithmetic_integer: Implement CC for IADD

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This commit is contained in:
ReinUsesLisp 2020-04-25 21:56:11 -03:00
parent ffc5ec6fa8
commit 255197e643
5 changed files with 43 additions and 4 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>,