Program Listing for File dxgi-range-repeat-cache.h

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#pragma once

#include "playback/directx-range-repeat-cache.h"

namespace gpa {
namespace playback {

class Callable;

namespace repeat {
namespace directx {

class DXGISwapChainRangeRepeatCache : public RangeRepeatCacheCOM
{
private:
    DXGI_SWAP_CHAIN_DESC1 mDesc1{};
    uint32_t mBackBufferIndexAtRangeStart = 0;

    struct BackBufferEntry
    {
        ID3D12Resource* resource = nullptr;
        uint64_t key = 0;
        uint64_t refCount = 0;
        bool obtained = false;
    };

    std::vector<BackBufferEntry> mBackBuffers;
    uint64_t mStateRestoredRepeatPass = (uint64_t)-1;

public:
    using Ptr = std::shared_ptr<DXGISwapChainRangeRepeatCache>;

    using RangeRepeatCacheCOM::RangeRepeatCacheCOM;

    void OnRangeEnter(GPADispatchTable const*& table) override;
    void OnRangeRepeatRecreateObject(GPADispatchTable const*& table, uint64_t repeatPass) override;
    void OnRangeRepeatRestoreState(GPADispatchTable const*& table, uint64_t repeatPass) override;

    void OnGetBuffer(uint32_t bufferIndex);
    void OnResizeBuffers();
    bool IsBufferObtained(uint32_t bufferIndex) const;
};

}  // namespace directx
}  // namespace repeat
}  // namespace playback
}  // namespace gpa