Method _render

Engine/source/lighting/shadowMap/paraboloidLightShadowMap.cpp:77–141

}

void ParaboloidLightShadowMap::_render(   RenderPassManager* renderPass,
                                          const SceneRenderState *diffuseState )
{
   PROFILE_SCOPE(ParaboloidLightShadowMap_render);

   const LightMapParams *lmParams = mLight->getExtended<LightMapParams>();
   const bool bUseLightmappedGeometry = lmParams ? !lmParams->representedInLightmap || lmParams->includeLightmappedGeometryInShadow : true;

   const U32 texSize = getBestTexSize();

   if (  mShadowMapTex.isNull() || 
         mTexSize != texSize )
   {
      mTexSize = texSize;

      mShadowMapTex.set(   mTexSize, mTexSize, 
                           ShadowMapFormat, &ShadowMapProfile, 
                           "ParaboloidLightShadowMap" );
   }

   GFXFrustumSaver frustSaver;
   GFXTransformSaver saver;
   
   // Render the shadowmap!
   GFX->pushActiveRenderTarget();

   // Calc matrix and set up visible distance
   mWorldToLightProj = mLight->getTransform();
   mWorldToLightProj.inverse();
   GFX->setWorldMatrix(mWorldToLightProj);

   const F32 &lightRadius = mLight->getRange().x;
   GFX->setOrtho(-lightRadius, lightRadius, -lightRadius, lightRadius, 1.0f, lightRadius, true);

   // Set up target
   mTarget->attachTexture( GFXTextureTarget::Color0, mShadowMapTex );
   mTarget->attachTexture( GFXTextureTarget::DepthStencil, 
      _getDepthTarget( mShadowMapTex->getWidth(), mShadowMapTex->getHeight() ) );
   GFX->setActiveRenderTarget(mTarget);
   GFX->clear(GFXClearTarget | GFXClearStencil | GFXClearZBuffer, ColorI(255,255,255,255), 1.0f, 0);

   // Create scene state, prep it
   SceneManager* sceneManager = diffuseState->getSceneManager();
   
   SceneRenderState shadowRenderState
   (
      sceneManager,
      SPT_Shadow,
      SceneCameraState::fromGFXWithViewport( diffuseState->getViewport() ),
      renderPass
   );

   shadowRenderState.getMaterialDelegate().bind( this, &LightShadowMap::getShadowMaterial );
   shadowRenderState.renderNonLightmappedMeshes( true );
   shadowRenderState.renderLightmappedMeshes( bUseLightmappedGeometry );
   shadowRenderState.setDiffuseCameraTransform( diffuseState->getCameraTransform() );
   shadowRenderState.setWorldToScreenScale( diffuseState->getWorldToScreenScale() );