1 files changed, 32 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteDfdy.h b/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteDfdy.h
new file mode 100644
index 0000000000..d1a6399696
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+++ b/gfx/angle/checkout/src/compiler/translator/tree_ops/RewriteDfdy.h
@@ -0,0 +1,32 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+// RewriteDfdy: Transform dFdx and dFdy according to pre-rotation and viewport y-flip.
+
+#ifndef COMPILER_TRANSLATOR_TREEOPS_REWRITEDFDY_H_
+#define COMPILER_TRANSLATOR_TREEOPS_REWRITEDFDY_H_
+
+#include "common/angleutils.h"
+#include "compiler/translator/Compiler.h"
+
+namespace sh
+{
+
+class TCompiler;
+class TIntermBlock;
+class TSymbolTable;
+class SpecConst;
+class DriverUniform;
+
+[[nodiscard]] bool RewriteDfdy(TCompiler *compiler,
+                               TIntermBlock *root,
+                               TSymbolTable *symbolTable,
+                               int shaderVersion,
+                               SpecConst *specConst,
+                               const DriverUniform *driverUniforms);
+
+}  // namespace sh
+
+#endif  // COMPILER_TRANSLATOR_TREEOPS_REWRITEDFDY_H_