kc3-lang/angle/src/compiler/translator/ScalarizeVecAndMatConstructorArgs.h

Branch : - branch - main - tag -

• Show log

  Commit

• Author : Jamie Madill
  Date : 2014-08-19 15:23:24
  Hash : b1a85f48
  Message : Rename compiler intermediate source files. This prevents confusion between "TIntermediate" and "TIntermNode". BUG=angle:711 Change-Id: Ib7a086382a479db3f77bf2ab06ce321aa7b35d13 Reviewed-on: https://chromium-review.googlesource.com/212936 Tested-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Zhenyao Mo <zmo@chromium.org> Reviewed-by: Nicolas Capens <capn@chromium.org>

• src/compiler/translator/ScalarizeVecAndMatConstructorArgs.h

• //
  // Copyright (c) 2002-2014 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_TRANSLATOR_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS_H_
  #define COMPILER_TRANSLATOR_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS_H_
  
  #include "compiler/translator/IntermNode.h"
  
  class ScalarizeVecAndMatConstructorArgs : public TIntermTraverser
  {
    public:
      ScalarizeVecAndMatConstructorArgs(sh::GLenum shaderType,
                                        bool fragmentPrecisionHigh)
          : mTempVarCount(0),
            mShaderType(shaderType),
            mFragmentPrecisionHigh(fragmentPrecisionHigh) {}
  
    protected:
      virtual bool visitAggregate(Visit visit, TIntermAggregate *node);
  
    private:
      void scalarizeArgs(TIntermAggregate *aggregate,
                         bool scalarizeVector, bool scalarizeMatrix);
  
      // If we have the following code:
      //   mat4 m(0);
      //   vec4 v(1, m);
      // We will rewrite to:
      //   mat4 m(0);
      //   mat4 _webgl_tmp_mat_0 = m;
      //   vec4 v(1, _webgl_tmp_mat_0[0][0], _webgl_tmp_mat_0[0][1], _webgl_tmp_mat_0[0][2]);
      // This function is to create nodes for "mat4 _webgl_tmp_mat_0 = m;" and insert it to
      // the code sequence.
      // Return the temporary variable name.
      TString createTempVariable(TIntermTyped *original);
  
      std::vector<TIntermSequence> mSequenceStack;
      int mTempVarCount;
  
      sh::GLenum mShaderType;
      bool mFragmentPrecisionHigh;
  };
  
  #endif  // COMPILER_TRANSLATOR_SCALARIZE_VEC_AND_MAT_CONSTRUCTOR_ARGS_H_