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41 lines
1.4 KiB
C++
41 lines
1.4 KiB
C++
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include "shader_recompiler/backend/spirv/emit_spirv.h"
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#include "shader_recompiler/frontend/ir/modifiers.h"
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namespace Shader::Backend::SPIRV {
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namespace {
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spv::Scope MemoryScopeToSpirVScope(IR::MemoryScope scope) {
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switch (scope) {
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case IR::MemoryScope::Warp:
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return spv::Scope::Subgroup;
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case IR::MemoryScope::Workgroup:
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return spv::Scope::Workgroup;
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case IR::MemoryScope::Device:
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return spv::Scope::Device;
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case IR::MemoryScope::System:
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return spv::Scope::CrossDevice;
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case IR::MemoryScope::DontCare:
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return spv::Scope::Invocation;
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default:
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throw NotImplementedException("Unknown memory scope!");
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}
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}
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} // namespace
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void EmitMemoryBarrier(EmitContext& ctx, IR::Inst* inst) {
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const auto info{inst->Flags<IR::BarrierInstInfo>()};
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const auto semantics =
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spv::MemorySemanticsMask::AcquireRelease | spv::MemorySemanticsMask::UniformMemory |
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spv::MemorySemanticsMask::WorkgroupMemory | spv::MemorySemanticsMask::AtomicCounterMemory |
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spv::MemorySemanticsMask::ImageMemory;
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const auto scope = MemoryScopeToSpirVScope(info.scope);
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ctx.OpMemoryBarrier(ctx.Constant(ctx.U32[1], static_cast<u32>(scope)),
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ctx.Constant(ctx.U32[1], static_cast<u32>(semantics)));
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}
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} // namespace Shader::Backend::SPIRV
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