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//
// Copyright (c) 2012 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.
//
#ifndef COMPILER_TIMING_RESTRICT_FRAGMENT_SHADER_TIMING_H_
#define COMPILER_TIMING_RESTRICT_FRAGMENT_SHADER_TIMING_H_
#include "compiler/translator/intermediate.h"
#include "compiler/translator/depgraph/DependencyGraph.h"
class TInfoSinkBase;
class RestrictFragmentShaderTiming : TDependencyGraphTraverser {
public:
RestrictFragmentShaderTiming(TInfoSinkBase& sink);
void enforceRestrictions(const TDependencyGraph& graph);
int numErrors() const { return mNumErrors; }
virtual void visitArgument(TGraphArgument* parameter);
virtual void visitSelection(TGraphSelection* selection);
virtual void visitLoop(TGraphLoop* loop);
virtual void visitLogicalOp(TGraphLogicalOp* logicalOp);
private:
void beginError(const TIntermNode* node);
void validateUserDefinedFunctionCallUsage(const TDependencyGraph& graph);
bool isSamplingOp(const TIntermAggregate* intermFunctionCall) const;
TInfoSinkBase& mSink;
int mNumErrors;
typedef std::set<TString> StringSet;
StringSet mSamplingOps;
};
#endif // COMPILER_TIMING_RESTRICT_FRAGMENT_SHADER_TIMING_H_
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