* Document better BRDFs - Document the loss of energy in the specular BRDF - Start documenting the gain of energy in the diffuse BRDF * Explain energy compensation with second scaled lobe * Add multiscattering pre-integration
* Document better BRDFs - Document the loss of energy in the specular BRDF - Start documenting the gain of energy in the diffuse BRDF * Explain energy compensation with second scaled lobe * Add multiscattering pre-integration