[SPIR-V] Use Builder createSelectionMerge directly

src/xenia/gpu/spirv_builder.h

@@ -0,0 +1,33 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2023 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_GPU_SPIRV_BUILDER_H_
+#define XENIA_GPU_SPIRV_BUILDER_H_
+
+#include "third_party/glslang/SPIRV/SpvBuilder.h"
+
+namespace xe {
+namespace gpu {
+
+// SpvBuilder with extra helpers.
+
+class SpirvBuilder : public spv::Builder {
+ public:
+  SpirvBuilder(unsigned int spv_version, unsigned int user_number,
+               spv::SpvBuildLogger* logger)
+      : spv::Builder(spv_version, user_number, logger) {}
+
+  // Make public rather than protected.
+  using spv::Builder::createSelectionMerge;
+};
+
+}  // namespace gpu
+}  // namespace xe
+
+#endif  // XENIA_GPU_SPIRV_BUILDER_H_