1 files changed, 30 insertions, 0 deletions

diff --git a/src/shader_recompiler/ir_opt/dual_vertex_pass.cpp b/src/shader_recompiler/ir_opt/dual_vertex_pass.cpp
new file mode 100644
index 000000000..055ba9c54
--- /dev/null
+++ b/src/shader_recompiler/ir_opt/dual_vertex_pass.cpp
@@ -0,0 +1,30 @@
+// Copyright 2021 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include "shader_recompiler/frontend/ir/ir_emitter.h"
+#include "shader_recompiler/ir_opt/passes.h"
+
+namespace Shader::Optimization {
+
+void VertexATransformPass(IR::Program& program) {
+    for (IR::Block* const block : program.blocks) {
+        for (IR::Inst& inst : block->Instructions()) {
+            if (inst.GetOpcode() == IR::Opcode::Epilogue) {
+                return inst.Invalidate();
+            }
+        }
+    }
+}
+
+void VertexBTransformPass(IR::Program& program) {
+    for (IR::Block* const block : program.blocks) {
+        for (IR::Inst& inst : block->Instructions()) {
+            if (inst.GetOpcode() == IR::Opcode::Prologue) {
+                return inst.Invalidate();
+            }
+        }
+    }
+}
+
+} // namespace Shader::Optimization