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-rw-r--r--gfx/angle/checkout/src/compiler/translator/tree_ops/gl/ClampFragDepth.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/tree_ops/gl/ClampFragDepth.h b/gfx/angle/checkout/src/compiler/translator/tree_ops/gl/ClampFragDepth.h
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index 0000000000..70326c9a34
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+++ b/gfx/angle/checkout/src/compiler/translator/tree_ops/gl/ClampFragDepth.h
@@ -0,0 +1,39 @@
+//
+// Copyright 2017 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.
+//
+// ClampFragDepth.h: Limit the value that is written to gl_FragDepth to the range [0.0, 1.0].
+// The clamping is run at the very end of shader execution, and is only performed if the shader
+// statically accesses gl_FragDepth.
+//
+
+#ifndef COMPILER_TRANSLATOR_TREEOPS_GL_CLAMPFRAGDEPTH_H_
+#define COMPILER_TRANSLATOR_TREEOPS_GL_CLAMPFRAGDEPTH_H_
+
+#include "common/angleutils.h"
+
+namespace sh
+{
+
+class TCompiler;
+class TIntermBlock;
+class TSymbolTable;
+
+#ifdef ANGLE_ENABLE_GLSL
+[[nodiscard]] bool ClampFragDepth(TCompiler *compiler,
+ TIntermBlock *root,
+ TSymbolTable *symbolTable);
+#else
+[[nodiscard]] ANGLE_INLINE bool ClampFragDepth(TCompiler *compiler,
+ TIntermBlock *root,
+ TSymbolTable *symbolTable)
+{
+ UNREACHABLE();
+ return false;
+}
+#endif
+
+} // namespace sh
+
+#endif // COMPILER_TRANSLATOR_TREEOPS_GL_CLAMPFRAGDEPTH_H_