kc3-lang/angle/src/compiler/translator/OutputGLSL.cpp

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  Commit

• Author : Nicolas Capens
  Date : 2014-04-15 13:12:50
  Hash : 46485086
  Message : Implement EXT_shader_texture_lod BUG=angle:551 Change-Id: I81d7574a15861f1b24ddf6147cf71adbf20e10f3 Reviewed-on: https://chromium-review.googlesource.com/194960 Tested-by: Nicolas Capens <nicolascapens@chromium.org> Reviewed-by: Shannon Woods <shannonwoods@chromium.org>

• src/compiler/translator/OutputGLSL.cpp

• //
  // Copyright (c) 2002-2013 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.
  //
  
  #include "compiler/translator/OutputGLSL.h"
  
  TOutputGLSL::TOutputGLSL(TInfoSinkBase& objSink,
                           ShArrayIndexClampingStrategy clampingStrategy,
                           ShHashFunction64 hashFunction,
                           NameMap& nameMap,
                           TSymbolTable& symbolTable,
                           int shaderVersion)
      : TOutputGLSLBase(objSink, clampingStrategy, hashFunction, nameMap, symbolTable, shaderVersion)
  {
  }
  
  bool TOutputGLSL::writeVariablePrecision(TPrecision)
  {
      return false;
  }
  
  void TOutputGLSL::visitSymbol(TIntermSymbol* node)
  {
      TInfoSinkBase& out = objSink();
  
      if (node->getSymbol() == "gl_FragDepthEXT")
      {
          out << "gl_FragDepth";
      }
      else
      {
          TOutputGLSLBase::visitSymbol(node);
      }
  }
  
  TString TOutputGLSL::translateTextureFunction(TString& name)
  {
      static const char *simpleRename[] = {
          "texture2DLodEXT", "texture2DLod",
          "texture2DProjLodEXT", "texture2DProjLod",
          "textureCubeLodEXT", "textureCubeLod",
          "texture2DGradEXT", "texture2DGradARB",
          "texture2DProjGradEXT", "texture2DProjGradARB",
          "textureCubeGradEXT", "textureCubeGradARB",
          NULL, NULL
      };
  
      for (int i = 0; simpleRename[i] != NULL; i += 2) {
          if (name == simpleRename[i]) {
              return simpleRename[i+1];
          }
      }
  
      return name;
  }