glsl: Implement barriers

src/shader_recompiler/backend/glsl/emit_glsl_atomic.cpp

@@ -1,4 +1,3 @@
-
 // Copyright 2021 yuzu Emulator Project
 // Licensed under GPLv2 or any later version
 // Refer to the license.txt file included.

src/shader_recompiler/backend/glsl/emit_glsl_barriers.cpp

@@ -0,0 +1,21 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "shader_recompiler/backend/glsl/emit_context.h"
+#include "shader_recompiler/backend/glsl/emit_glsl_instructions.h"
+#include "shader_recompiler/frontend/ir/value.h"
+
+namespace Shader::Backend::GLSL {
+void EmitBarrier(EmitContext& ctx) {
+    ctx.Add("barrier();");
+}
+
+void EmitWorkgroupMemoryBarrier(EmitContext& ctx) {
+    ctx.Add("groupMemoryBarrier();");
+}
+
+void EmitDeviceMemoryBarrier(EmitContext& ctx) {
+    ctx.Add("memoryBarrier();");
+}
+} // namespace Shader::Backend::GLSL

src/shader_recompiler/backend/glsl/emit_glsl_not_implemented.cpp

@@ -80,18 +80,6 @@ void EmitDemoteToHelperInvocation(EmitContext& ctx, std::string_view continue_la
     ctx.Add("discard;");
 }
 
-void EmitBarrier(EmitContext& ctx) {
-    NotImplemented();
-}
-
-void EmitWorkgroupMemoryBarrier(EmitContext& ctx) {
-    NotImplemented();
-}
-
-void EmitDeviceMemoryBarrier(EmitContext& ctx) {
-    NotImplemented();
-}
-
 void EmitPrologue(EmitContext& ctx) {}
 
 void EmitEpilogue(EmitContext& ctx) {}