src/third_party/angle/src/compiler/translator/timing/RestrictFragmentShaderTiming.h

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