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Merge pull request #3328 from ReinUsesLisp/vulkan-atoms
vk_shader_decompiler: Implement UAtomicAdd (ATOMS) on SPIR-V
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commit
69b44392a7
2 changed files with 12 additions and 4 deletions
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externals/sirit
vendored
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externals/sirit
vendored
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@ -1 +1 @@
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Subproject commit 9f4d057aa28c4e9509bdc767afb27b4aee303b7e
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Subproject commit a712959f1e373a33b48042b5934e288a243d5954
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@ -1796,9 +1796,17 @@ private:
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return {};
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}
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Expression UAtomicAdd(Operation) {
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UNIMPLEMENTED();
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return {};
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Expression UAtomicAdd(Operation operation) {
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const auto& smem = std::get<SmemNode>(*operation[0]);
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Id address = AsUint(Visit(smem.GetAddress()));
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address = OpShiftRightLogical(t_uint, address, Constant(t_uint, 2U));
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const Id pointer = OpAccessChain(t_smem_uint, shared_memory, address);
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const Id scope = Constant(t_uint, static_cast<u32>(spv::Scope::Device));
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const Id semantics = Constant(t_uint, 0U);
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const Id value = AsUint(Visit(operation[1]));
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return {OpAtomicIAdd(t_uint, pointer, scope, semantics, value), Type::Uint};
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}
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Expression Branch(Operation operation) {
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