84 lines
1.5 KiB
C++
84 lines
1.5 KiB
C++
#ifndef VOXEL_PROVIDER_THREAD_H
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#define VOXEL_PROVIDER_THREAD_H
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#include "../math/vector3i.h"
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#include <core/resource.h>
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class VoxelProvider;
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class VoxelBuffer;
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class Thread;
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class Semaphore;
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class VoxelProviderThread {
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public:
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struct ImmergeInput {
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Vector3i origin;
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Ref<VoxelBuffer> voxels;
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int lod = 0;
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};
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struct EmergeInput {
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Vector3i block_position;
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int lod = 0;
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};
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struct InputData {
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Vector<ImmergeInput> blocks_to_immerge;
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Vector<EmergeInput> blocks_to_emerge;
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Vector3i priority_block_position;
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inline bool is_empty() {
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return blocks_to_emerge.empty() && blocks_to_immerge.empty();
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}
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};
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struct EmergeOutput {
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Ref<VoxelBuffer> voxels;
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Vector3i origin_in_voxels;
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int lod = 0;
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};
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struct Stats {
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bool first = true;
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uint64_t min_time = 0;
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uint64_t max_time = 0;
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int remaining_blocks = 0;
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};
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struct OutputData {
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Vector<EmergeOutput> emerged_blocks;
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Stats stats;
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};
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VoxelProviderThread(Ref<VoxelProvider> provider, int block_size_pow2);
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~VoxelProviderThread();
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void push(const InputData &input);
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void pop(OutputData &out_data);
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private:
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static void _thread_func(void *p_self);
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void thread_func();
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void thread_sync(int emerge_index, Stats stats);
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private:
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InputData _shared_input;
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Mutex *_input_mutex;
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Vector<EmergeOutput> _shared_output;
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Stats _shared_stats;
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Mutex *_output_mutex;
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Semaphore *_semaphore;
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bool _thread_exit;
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Thread *_thread;
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InputData _input;
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Vector<EmergeOutput> _output;
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int _block_size_pow2;
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Ref<VoxelProvider> _voxel_provider;
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};
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#endif // VOXEL_PROVIDER_THREAD_H
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