42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
#pragma once
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#include "helper.hpp"
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#include "distribution.hpp"
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#include "sampler.h"
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#define NUM_CHAINS 20
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class ApplicationIntegrator: public Application {
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public:
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ApplicationIntegrator(int argc, char** argv, const std::string& name);
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virtual ~ApplicationIntegrator() = default;
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protected:
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virtual void render(int* pixels, int width, int height, float time, const ISPCCamera& camera) override;
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virtual void drawGUI() override;
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virtual void resetRender() override;
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bool bMetropolis = false;
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void mltRender(int* pixels, int width, int height, float time, const ISPCCamera& camera);
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void mcRender(int* pixels, int width, int height, float time, const ISPCCamera& camera);
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/* renders a single screen tile */
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void mcRenderTile(int taskIndex, int threadIndex, int* pixels, const unsigned int width,
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const unsigned int height, const float time, const ISPCCamera& camera, const int numTilesX,
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const int numTilesY);
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std::atomic<size_t> accepted = 0;
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std::atomic<size_t> luminance_count = 0;
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float large_step_global_luminance = 0.0;
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std::mutex large_step_global_luminance_mutex;
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MLTRandomSampler chains[NUM_CHAINS];
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float last_l[NUM_CHAINS];
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int chain_lengths = 100000;
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float small_step_size = 0.01;
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float large_step_probability = 0.02;
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};
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