-- This is a render context, something that describes the general shared variables for rendering

module RenderContext where

import SceneGraph
import {-# SOURCE #-} Light
import {-# SOURCE #-} PhotonMap (PhotonMapContext)

data RenderMode = RayTrace | PhotonMapper | PathTracer deriving (Show)

data RenderMethodConfiguration = RenderMethodRayTrace
                               | RenderMethodPhotonMap 
                               | RenderMethodPathTracer deriving (Show)

data RenderContext = RenderContext {
      numDistribSamples :: Int,
      sceneGraph :: SceneGraph,
      lights :: [Light],
      maximumRayDepth :: Int,
      reflectionRayLength :: Double,
      refractionRayLength :: Double,
      photonMapContext :: PhotonMapContext,
      rayOriginDistribution :: Double,
      depthOfFieldFocalDistance :: Double,
      renderMode :: RenderMode,
      useIrradianceCache :: Bool }