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//
// Copyright (c) 2016 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.
//
// This mutating tree traversal works around an issue on the translation
// from texelFetchOffset into HLSL function Load on INTEL drivers. It
// works by translating texelFetchOffset into texelFetch:
//
// - From: texelFetchOffset(sampler, Position, lod, offset)
// - To: texelFetch(sampler, Position+offset, lod)
//
// See http://anglebug.com/1469
#ifndef COMPILER_TRANSLATOR_REWRITE_TEXELFETCHOFFSET_H_
#define COMPILER_TRANSLATOR_REWRITE_TEXELFETCHOFFSET_H_
class TIntermNode;
class TSymbolTable;
namespace sh
{
void RewriteTexelFetchOffset(TIntermNode *root,
unsigned int *tempIndex,
const TSymbolTable &symbolTable,
int shaderVersion);
} // namespace sh
#endif // COMPILER_TRANSLATOR_REWRITE_TEXELFETCHOFFSET_H_
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