Method _addPass

Engine/source/materials/processedShaderMaterial.cpp:650–725

}

bool ProcessedShaderMaterial::_addPass( ShaderRenderPassData &rpd, 
                                       U32 &texIndex, 
                                       MaterialFeatureData &fd,
                                       U32 stageNum,
                                       const FeatureSet &features )
{
   // Set number of textures, stage, glow, etc.
   rpd.mNumTex = texIndex;
   rpd.mStageNum = stageNum;
   rpd.mGlow |= mMaterial->mGlow[stageNum];

   // Copy over features
   rpd.mFeatureData.materialFeatures = fd.features;

   Vector<String> samplers;
   samplers.setSize(Material::MAX_TEX_PER_PASS);
   for(int i = 0; i < Material::MAX_TEX_PER_PASS; ++i)
   {
      samplers[i] = (rpd.mSamplerNames[i].isEmpty() || rpd.mSamplerNames[i][0] == '$') ? rpd.mSamplerNames[i] : "$" + rpd.mSamplerNames[i];
   }

   // Generate shader
   GFXShader::setLogging( true, true );
   rpd.shader = SHADERGEN->getShader( rpd.mFeatureData, mVertexFormat, &mUserMacros, samplers );
   if( !rpd.shader )
      return false;
   rpd.shaderHandles.init( rpd.shader );

   // If a pass glows, we glow
   if( rpd.mGlow )
      mHasGlow = true;
 
   ShaderRenderPassData *newPass = new ShaderRenderPassData( rpd );
   mPasses.push_back( newPass );

   //initSamplerHandles
   ShaderConstHandles *handles = _getShaderConstHandles( mPasses.size()-1 );
   AssertFatal(handles,"");
   for(int i = 0; i < rpd.mNumTex; i++)
   { 
      if(rpd.mSamplerNames[i].isEmpty())
      {
         handles->mTexHandlesSC[i] = newPass->shader->getShaderConstHandle( String::EmptyString );
         handles->mRTParamsSC[i] = newPass->shader->getShaderConstHandle( String::EmptyString );
         continue;
      }

      String samplerName = rpd.mSamplerNames[i];
      if( !samplerName.startsWith("$"))
         samplerName.insert(0, "$");

      GFXShaderConstHandle *handle = newPass->shader->getShaderConstHandle( samplerName ); 

      handles->mTexHandlesSC[i] = handle;
      handles->mRTParamsSC[i] = newPass->shader->getShaderConstHandle( String::ToString( "$rtParams%s", samplerName.c_str()+1 ) ); 
      
      AssertFatal( handle,"");
   }