shader: Implement BAR and fix memory barriers

1 files changed, 12 insertions, 3 deletions

diff --git a/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp b/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp
index 18f512319..74f523d0f 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv_barriers.cpp
@@ -8,16 +8,25 @@
 namespace Shader::Backend::SPIRV {
 namespace {
 void EmitMemoryBarrierImpl(EmitContext& ctx, spv::Scope scope) {
-    const auto semantics =
+    const auto semantics{
         spv::MemorySemanticsMask::AcquireRelease | spv::MemorySemanticsMask::UniformMemory |
         spv::MemorySemanticsMask::WorkgroupMemory | spv::MemorySemanticsMask::AtomicCounterMemory |
-        spv::MemorySemanticsMask::ImageMemory;
+        spv::MemorySemanticsMask::ImageMemory};
     ctx.OpMemoryBarrier(ctx.Constant(ctx.U32[1], static_cast<u32>(scope)),
                         ctx.Constant(ctx.U32[1], 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.Constant(ctx.U32[1], static_cast<u32>(execution)),
+                         ctx.Constant(ctx.U32[1], static_cast<u32>(memory)),
+                         ctx.Constant(ctx.U32[1], static_cast<u32>(memory_semantics)));
+}
+
 void EmitMemoryBarrierWorkgroupLevel(EmitContext& ctx) {
     EmitMemoryBarrierImpl(ctx, spv::Scope::Workgroup);
 }