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pcg_sampler.h
26 lines (21 loc) · 1.11 KB
/
pcg_sampler.h
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#pragma once
#include "sampler.h"
struct pcg32_state {
uint64_t state;
uint64_t inc;
};
struct PCGSampler : public Sampler {
PCGSampler(bool use_gpu, uint64_t seed, int num_pixels);
void next_camera_samples(BufferView<TCameraSample<float>> samples) override;
void next_camera_samples(BufferView<TCameraSample<double>> samples) override;
void next_light_samples(BufferView<TLightSample<float>> samples) override;
void next_light_samples(BufferView<TLightSample<double>> samples) override;
void next_bsdf_samples(BufferView<TBSDFSample<float>> samples) override;
void next_bsdf_samples(BufferView<TBSDFSample<double>> samples) override;
void next_primary_edge_samples(BufferView<TPrimaryEdgeSample<float>> samples) override;
void next_primary_edge_samples(BufferView<TPrimaryEdgeSample<double>> samples) override;
void next_secondary_edge_samples(BufferView<TSecondaryEdgeSample<float>> samples) override;
void next_secondary_edge_samples(BufferView<TSecondaryEdgeSample<double>> samples) override;
bool use_gpu;
Buffer<pcg32_state> rng_states;
};