Method _render

Engine/source/lighting/shadowMap/cubeLightShadowMap.cpp:86–202

}

void CubeLightShadowMap::_render(   RenderPassManager* renderPass,
                                    const SceneRenderState *diffuseState )
{
   PROFILE_SCOPE( CubeLightShadowMap_Render );

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

   const U32 texSize = getBestTexSize();

   if (  mCubemap.isNull() || 
         mTexSize != texSize )
   {
      mTexSize = texSize;
      mCubemap = GFX->createCubemap();
      mCubemap->initDynamic( mTexSize, LightShadowMap::ShadowMapFormat );
   }

   // Setup the world to light projection which is used
   // in the shader to transform the light vector for the
   // shadow lookup.
   mWorldToLightProj = mLight->getTransform();
   mWorldToLightProj.inverse();

   // Set up frustum and visible distance
   GFXFrustumSaver fsaver;
   GFXTransformSaver saver;
   {
      F32 left, right, top, bottom;
      MathUtils::makeFrustum( &left, &right, &top, &bottom, M_HALFPI_F, 1.0f, 0.1f );
      GFX->setFrustum( left, right, bottom, top, 0.1f, mLight->getRange().x );
   }

   // Render the shadowmap!
   GFX->pushActiveRenderTarget();

   for( U32 i = 0; i < 6; i++ )
   {
      // Standard view that will be overridden below.
      VectorF vLookatPt(0.0f, 0.0f, 0.0f), vUpVec(0.0f, 0.0f, 0.0f), vRight(0.0f, 0.0f, 0.0f);

      switch( i )
      {
      case 0 : // D3DCUBEMAP_FACE_POSITIVE_X:
         vLookatPt = VectorF(1.0f, 0.0f, 0.0f);
         vUpVec    = VectorF(0.0f, 1.0f, 0.0f);
         break;
      case 1 : // D3DCUBEMAP_FACE_NEGATIVE_X:
         vLookatPt = VectorF(-1.0f, 0.0f, 0.0f);
         vUpVec    = VectorF(0.0f, 1.0f, 0.0f);
         break;
      case 2 : // D3DCUBEMAP_FACE_POSITIVE_Y:
         vLookatPt = VectorF(0.0f, 1.0f, 0.0f);
         vUpVec    = VectorF(0.0f, 0.0f,-1.0f);
         break;
      case 3 : // D3DCUBEMAP_FACE_NEGATIVE_Y:
         vLookatPt = VectorF(0.0f, -1.0f, 0.0f);
         vUpVec    = VectorF(0.0f, 0.0f, 1.0f);