Merge pull request #6585 from ameerj/hades

Shader Decompiler Rewrite

1 files changed, 38 insertions, 0 deletions

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..e0b52a001
--- /dev/null
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp
@@ -0,0 +1,38 @@
+// 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/backend/spirv/emit_spirv_instructions.h"
+#include "shader_recompiler/frontend/ir/modifiers.h"
+
+namespace Shader::Backend::SPIRV {
+namespace {
+void MemoryBarrier(EmitContext& ctx, spv::Scope scope) {
+    const auto semantics{
+        spv::MemorySemanticsMask::AcquireRelease | spv::MemorySemanticsMask::UniformMemory |
+        spv::MemorySemanticsMask::WorkgroupMemory | spv::MemorySemanticsMask::AtomicCounterMemory |
+        spv::MemorySemanticsMask::ImageMemory};
+    ctx.OpMemoryBarrier(ctx.Const(static_cast<u32>(scope)), ctx.Const(static_cast<u32>(semantics)));
+}
+} // Anonymous namespace
+
+void EmitBarrier(EmitContext& ctx) {
+    const auto execution{spv::Scope::Workgroup};
+    const auto memory{spv::Scope::Workgroup};
+    const auto memory_semantics{spv::MemorySemanticsMask::AcquireRelease |
+                                spv::MemorySemanticsMask::WorkgroupMemory};
+    ctx.OpControlBarrier(ctx.Const(static_cast<u32>(execution)),
+                         ctx.Const(static_cast<u32>(memory)),
+                         ctx.Const(static_cast<u32>(memory_semantics)));
+}
+
+void EmitWorkgroupMemoryBarrier(EmitContext& ctx) {
+    MemoryBarrier(ctx, spv::Scope::Workgroup);
+}
+
+void EmitDeviceMemoryBarrier(EmitContext& ctx) {
+    MemoryBarrier(ctx, spv::Scope::Device);
+}
+
+} // namespace Shader::Backend::SPIRV