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Merge pull request #3328 from ReinUsesLisp/vulkan-atoms

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vk_shader_decompiler: Implement UAtomicAdd (ATOMS) on SPIR-V
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bunnei 2020-01-20 00:01:52 -05:00 committed by GitHub
parent 5a077c95ce b2c976ad0e
commit 69b44392a7
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2 changed files with 12 additions and 4 deletions
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2
externals/sirit vendored

@ -1 +1 @@
Subproject commit 9f4d057aa28c4e9509bdc767afb27b4aee303b7e
Subproject commit a712959f1e373a33b48042b5934e288a243d5954

14
src/video_core/renderer_vulkan/vk_shader_decompiler.cpp
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@ -1796,9 +1796,17 @@ private:
return {};
}
Expression UAtomicAdd(Operation) {
UNIMPLEMENTED();
return {};
Expression UAtomicAdd(Operation operation) {
const auto& smem = std::get<SmemNode>(*operation[0]);
Id address = AsUint(Visit(smem.GetAddress()));
address = OpShiftRightLogical(t_uint, address, Constant(t_uint, 2U));
const Id pointer = OpAccessChain(t_smem_uint, shared_memory, address);
const Id scope = Constant(t_uint, static_cast<u32>(spv::Scope::Device));
const Id semantics = Constant(t_uint, 0U);
const Id value = AsUint(Visit(operation[1]));
return {OpAtomicIAdd(t_uint, pointer, scope, semantics, value), Type::Uint};
}
Expression Branch(Operation operation) {