diff options
Diffstat (limited to 'src/shader_recompiler/backend')
-rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv.h | 1 | ||||
-rw-r--r-- | src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp | 40 |
2 files changed, 41 insertions, 0 deletions
diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.h b/src/shader_recompiler/backend/spirv/emit_spirv.h index d2eda1f8e..749ad1240 100644 --- a/src/shader_recompiler/backend/spirv/emit_spirv.h +++ b/src/shader_recompiler/backend/spirv/emit_spirv.h @@ -28,6 +28,7 @@ void EmitSelectionMerge(EmitContext& ctx, Id merge_label); void EmitReturn(EmitContext& ctx); void EmitUnreachable(EmitContext& ctx); void EmitDemoteToHelperInvocation(EmitContext& ctx, Id continue_label); +void EmitMemoryBarrier(EmitContext& ctx, IR::Inst* inst); void EmitPrologue(EmitContext& ctx); void EmitEpilogue(EmitContext& ctx); void EmitGetRegister(EmitContext& ctx); diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp new file mode 100644 index 000000000..413ac25a0 --- /dev/null +++ b/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp @@ -0,0 +1,40 @@ +// Copyright 2021 yuzu Emulator Project +// Licensed under GPLv2 or any later version +// Refer to the license.txt file included. + +#include "shader_recompiler/backend/spirv/emit_spirv.h" +#include "shader_recompiler/frontend/ir/modifiers.h" + +namespace Shader::Backend::SPIRV { +namespace { +spv::Scope MemoryScopeToSpirVScope(IR::MemoryScope scope) { + switch (scope) { + case IR::MemoryScope::Warp: + return spv::Scope::Subgroup; + case IR::MemoryScope::Workgroup: + return spv::Scope::Workgroup; + case IR::MemoryScope::Device: + return spv::Scope::Device; + case IR::MemoryScope::System: + return spv::Scope::CrossDevice; + case IR::MemoryScope::DontCare: + return spv::Scope::Invocation; + default: + throw NotImplementedException("Unknown memory scope!"); + } +} + +} // namespace + +void EmitMemoryBarrier(EmitContext& ctx, IR::Inst* inst) { + const auto info{inst->Flags<IR::BarrierInstInfo>()}; + const auto semantics = + spv::MemorySemanticsMask::AcquireRelease | spv::MemorySemanticsMask::UniformMemory | + spv::MemorySemanticsMask::WorkgroupMemory | spv::MemorySemanticsMask::AtomicCounterMemory | + spv::MemorySemanticsMask::ImageMemory; + const auto scope = MemoryScopeToSpirVScope(info.scope); + ctx.OpMemoryBarrier(ctx.Constant(ctx.U32[1], static_cast<u32>(scope)), + ctx.Constant(ctx.U32[1], static_cast<u32>(semantics))); +} + +} // namespace Shader::Backend::SPIRV |