Method initHandles

Engine/source/gfx/gl/gfxGLShader.cpp:649–792

}

void GFXGLShader::initHandles()
{      
   // Mark all existing handles as invalid.
   // Those that are found when parsing the descriptions will then be marked valid again.
   for ( HandleMap::Iterator iter = mHandles.begin(); iter != mHandles.end(); ++iter )      
      (iter->value)->setValid( false );  
   mValidHandles.clear();

   // Loop through all ConstantDescriptions, 
   // if they aren't in the HandleMap add them, if they are reinitialize them.
   for ( U32 i = 0; i < mConstants.size(); i++ )
   {
      GFXShaderConstDesc &desc = mConstants[i];            

      // Index element 1 of the name to skip the '$' we inserted earier.
      GLint loc = glGetUniformLocation(mProgram, &desc.name.c_str()[1]);

      AssertFatal(loc != -1, avar("uniform %s in shader file Vert: (%s) Frag: (%s)", &desc.name.c_str()[1], mVertexFile.getFullPath().c_str(), mPixelFile.getFullPath().c_str()));

      HandleMap::Iterator handle = mHandles.find(desc.name);
      S32 sampler = -1;
      if(desc.constType == GFXSCT_Sampler ||
         desc.constType == GFXSCT_SamplerCube ||
         desc.constType == GFXSCT_SamplerCubeArray ||
         desc.constType == GFXSCT_SamplerTextureArray)
      {
         S32 idx = mSamplerNamesOrdered.find_next(desc.name);
         AssertFatal(idx != -1, "");
         sampler = idx; //assignedSamplerNum++;
      }
      if ( handle != mHandles.end() )
      {
         handle->value->reinit( desc, loc, sampler );         
      } 
      else 
      {
         mHandles[desc.name] = new GFXGLShaderConstHandle( this, desc, loc, sampler );      
      }
   }

   // Loop through handles once more to set their offset and calculate our
   // constBuffer size.

   if ( mConstBuffer )
      delete[] mConstBuffer;
   mConstBufferSize = 0;

   for ( HandleMap::Iterator iter = mHandles.begin(); iter != mHandles.end(); ++iter )
   {
      GFXGLShaderConstHandle* handle = iter->value;
      if ( handle->isValid() )
      {
      	mValidHandles.push_back(handle);
         handle->mOffset = mConstBufferSize;
         mConstBufferSize += handle->getSize();
      }
   }