kc3-lang/angle/src/compiler/timing/RestrictFragmentShaderTiming.h

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• Hash : 8b8f02dc
  Author :
  Date : 2012-06-25T20:39:58
  

  [SH_TIMING_RESTRICTIONS] Restrict sampler dependent values from the tex coord and bias parameters of all sampling operations, not just texture2D.
  
  Issue: 335
  Review URL: https://codereview.appspot.com/6305049/
  
  
  git-svn-id: https://angleproject.googlecode.com/svn/trunk@1167 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/compiler/timing/RestrictFragmentShaderTiming.h

• //
  // 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 "GLSLANG/ShaderLang.h"
  
  #include "compiler/intermediate.h"
  #include "compiler/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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