Implement BDPTIntegrator #29
Description
The assets/scenes/veach-bidir/bidir.pbrt needs a BDPTIntegrator:
> grep bdpt assets/scenes/veach-bidir/bidir.pbrt
Integrator "bdpt" "integer maxdepth" [5]In C++:
// BDPT Declarations
class BDPTIntegrator : public Integrator {
public:
// BDPTIntegrator Public Methods
BDPTIntegrator(std::shared_ptr<Sampler> sampler,
std::shared_ptr<const Camera> camera, int maxDepth,
bool visualizeStrategies, bool visualizeWeights,
const Bounds2i &pixelBounds,
const std::string &lightSampleStrategy = "power")
: sampler(sampler),
camera(camera),
maxDepth(maxDepth),
visualizeStrategies(visualizeStrategies),
visualizeWeights(visualizeWeights),
pixelBounds(pixelBounds),
lightSampleStrategy(lightSampleStrategy) {}
void Render(const Scene &scene);
private:
// BDPTIntegrator Private Data
std::shared_ptr<Sampler> sampler;
std::shared_ptr<const Camera> camera;
const int maxDepth;
const bool visualizeStrategies;
const bool visualizeWeights;
const Bounds2i pixelBounds;
const std::string lightSampleStrategy;
};