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1 // |
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2 // Copyright (c) 2012 The ANGLE Project Authors. All rights reserved. |
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3 // Use of this source code is governed by a BSD-style license that can be |
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4 // found in the LICENSE file. |
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5 // |
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6 |
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7 #ifndef COMPILER_TIMING_RESTRICT_FRAGMENT_SHADER_TIMING_H_ |
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8 #define COMPILER_TIMING_RESTRICT_FRAGMENT_SHADER_TIMING_H_ |
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9 |
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10 #include "GLSLANG/ShaderLang.h" |
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11 |
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12 #include "compiler/intermediate.h" |
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13 #include "compiler/depgraph/DependencyGraph.h" |
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14 |
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15 class TInfoSinkBase; |
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16 |
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17 class RestrictFragmentShaderTiming : TDependencyGraphTraverser { |
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18 public: |
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19 RestrictFragmentShaderTiming(TInfoSinkBase& sink); |
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20 void enforceRestrictions(const TDependencyGraph& graph); |
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21 int numErrors() const { return mNumErrors; } |
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22 |
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23 virtual void visitArgument(TGraphArgument* parameter); |
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24 virtual void visitSelection(TGraphSelection* selection); |
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25 virtual void visitLoop(TGraphLoop* loop); |
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26 virtual void visitLogicalOp(TGraphLogicalOp* logicalOp); |
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27 |
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28 private: |
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29 void beginError(const TIntermNode* node); |
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30 void validateUserDefinedFunctionCallUsage(const TDependencyGraph& graph); |
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31 bool isSamplingOp(const TIntermAggregate* intermFunctionCall) const; |
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32 |
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33 TInfoSinkBase& mSink; |
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34 int mNumErrors; |
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35 |
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36 typedef std::set<TString> StringSet; |
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37 StringSet mSamplingOps; |
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38 }; |
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39 |
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40 #endif // COMPILER_TIMING_RESTRICT_FRAGMENT_SHADER_TIMING_H_ |