C++ FileStream::writeText方法代码示例

static bool dumpEngineDocs( const char *outputFile )
{
   // Create the output stream.
   FileStream stream;
   if ( !stream.open( outputFile, Torque::FS::File::Write ) )
   {
      Con::errorf( "dumpEngineDocs - Failed to open output file." );
      return false;
   }

   // First dump all global ConsoleDoc fragments.
   
   for( ConsoleDocFragment* fragment = ConsoleDocFragment::smFirst; fragment != NULL; fragment = fragment->mNext )
      if( !fragment->mClass )
         dumpFragment( stream, fragment );
   
   // Clear the doc groups before continuing,
   smDocGroups.clear();
   
   // Dump enumeration types.
   dumpEnums( stream );
   
   // Dump all global variables.
   dumpVariables( stream );

   // Now dump the global functions.
   Namespace *g = Namespace::find( NULL );
   while( g ) 
   {
      dumpNamespaceEntries( stream, g );
      
      // Dump callbacks.
      dumpGroupStart( stream, "Callbacks" );
      dumpNamespaceEntries( stream, g, true );
      dumpGroupEnd( stream );

      g = g->mParent;
   }

   // Now dump all the classes.
   dumpClasses( stream );

   // Dump pre-declarations for any groups we encountered
   // so that we don't have to explicitly define them.
   HashTable<String,U32>::Iterator iter = smDocGroups.begin();
   for ( ; iter != smDocGroups.end(); iter++ )
      stream.writeText( String::ToString( "/*! @addtogroup %s */\r\n\r\n", iter->key.c_str() ) );

   return true;
}

bool GFXGLShader::_loadShaderFromStream(  GLuint shader, 
                                          const Torque::Path &path, 
                                          FileStream *s, 
                                          const Vector<GFXShaderMacro> &macros )
{
   Vector<char*> buffers;
   Vector<U32> lengths;
   
   // The GLSL version declaration must go first!
   const char *versionDecl = "#version 150\r\n";
   buffers.push_back( dStrdup( versionDecl ) );
   lengths.push_back( dStrlen( versionDecl ) );

   if(GFXGL->mCapabilities.shaderModel5)
   {
      const char *extension = "#extension GL_ARB_gpu_shader5 : enable\r\n";
      buffers.push_back( dStrdup( extension ) );
      lengths.push_back( dStrlen( extension ) );
   }

   const char *newLine = "\r\n";
   buffers.push_back( dStrdup( newLine ) );
   lengths.push_back( dStrlen( newLine ) );

   // Now add all the macros.
   for( U32 i = 0; i < macros.size(); i++ )
   {
      if(macros[i].name.isEmpty())  // TODO OPENGL
         continue;

      String define = String::ToString( "#define %s %s\n", macros[i].name.c_str(), macros[i].value.c_str() );
      buffers.push_back( dStrdup( define.c_str() ) );
      lengths.push_back( define.length() );
   }
   
   // Now finally add the shader source.
   U32 shaderLen = s->getStreamSize();
   char *buffer = _handleIncludes(path, s);
   if ( !buffer )
      return false;
   
   buffers.push_back(buffer);
   lengths.push_back(shaderLen);
   
   glShaderSource(shader, buffers.size(), (const GLchar**)const_cast<const char**>(buffers.address()), NULL);

#if defined(TORQUE_DEBUG) && defined(TORQUE_DEBUG_GFX)
   FileStream stream;
   if ( !stream.open( path.getFullPath()+"_DEBUG", Torque::FS::File::Write ) )
   {
      AssertISV(false, avar("GFXGLShader::initShader - failed to write debug shader '%s'.", path.getFullPath().c_str()));
   }

   for(int i = 0; i < buffers.size(); ++i)
         stream.writeText(buffers[i]);
#endif

   // Cleanup the shader source buffer.
   for ( U32 i=0; i < buffers.size(); i++ )
      dFree( buffers[i] );

   glCompileShader(shader);

   return true;
}