SamplingRenderer.h

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#pragma once
 
#include "Core/Renderer/Renderer.h"
#include "Core/Filmic/SampleFilter.h"
#include "Core/Estimator/FullRayEnergyEstimator.h"
 
#include <memory>
 
namespace ph
{
 
class SamplingRenderer : public Renderer
{
public:
    SamplingRenderer(
        std::unique_ptr<IRayEnergyEstimator> estimator,
        Viewport                             viewport, 
        SampleFilter                         filter,
        uint32                               numWorkers);
 
    void doUpdate(const CoreCookedUnit& cooked, const VisualWorld& world) override = 0;
    void doRender() override = 0;
    void retrieveFrame(std::size_t layerIndex, HdrRgbFrame& out_frame) override = 0;
 
    std::size_t asyncPollUpdatedRegions(TSpan<RenderRegionStatus> out_regions) override = 0;
    RenderStats asyncQueryRenderStats() override = 0;
    RenderProgress asyncQueryRenderProgress() override = 0;
 
    void asyncPeekFrame(
        std::size_t   layerIndex, 
        const Region& region,
        HdrRgbFrame&  out_frame) override = 0;
 
    RenderObservationInfo getObservationInfo() const override = 0;
 
protected:
    SampleFilter                         m_filter;
    std::unique_ptr<IRayEnergyEstimator> m_estimator;
};
 
}// end namespace ph