Sequence.h

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#pragma once
#include "common/Export.h"
 
 
#include <cstdint>
#include <string>
 
namespace eve::gpgpu {
 
class ComputeShader;
class GpuBuffer;
 
enum class SequenceStatus : uint8_t { Idle, Recording, Submitted, Complete, Failed };
 
class EVENGINE_API_WORLD Sequence {
public:
    Sequence();
    ~Sequence();
 
    Sequence(const Sequence &) = delete;
    Sequence &operator=(const Sequence &) = delete;
 
    bool isAvailable() const;
 
    void begin();
 
    void recordUpload(GpuBuffer *dst, const void *src, uint64_t nbytes,
                      uint64_t dstOffset = 0);
 
    void recordDownload(GpuBuffer *src, GpuBuffer *staging, uint64_t nbytes,
                        uint64_t srcOffset = 0);
 
    void recordDispatch(ComputeShader *shader, int groupsX, int groupsY = 1,
                        int groupsZ = 1);
 
    void submit();
 
    [[nodiscard]] SequenceStatus submitAsync();
 
    [[nodiscard]] SequenceStatus poll();
 
    [[nodiscard]] SequenceStatus wait();
 
    SequenceStatus getStatus() const;
 
    std::string getStatusName() const;
 
private:
    struct Impl;
    Impl *impl_ = nullptr;
};
 
}  // namespace eve::gpgpu