// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_D3D12_SHARED_TEXTURE_MEMORY_D3D12_H_
#define SRC_DAWN_NATIVE_D3D12_SHARED_TEXTURE_MEMORY_D3D12_H_

#include "src/dawn/native/Error.h"
#include "src/dawn/native/d3d/SharedTextureMemoryD3D.h"
#include "src/dawn/native/d3d12/d3d12_platform.h"

namespace dawn::native {
namespace d3d {
class KeyedMutex;
}  // namespace d3d

namespace d3d12 {
class Device;
struct SharedTextureMemoryD3D12ResourceDescriptor;

class SharedTextureMemory final : public d3d::SharedTextureMemory {
  public:
    static ResultOrError<Ref<SharedTextureMemory>> Create(
        Device* device,
        StringView label,
        const SharedTextureMemoryDXGISharedHandleDescriptor* descriptor);

    static ResultOrError<Ref<SharedTextureMemory>> Create(
        Device* device,
        StringView label,
        const SharedTextureMemoryD3D12ResourceDescriptor* descriptor);

    ID3D12Resource* GetD3DResource() const;

    d3d::KeyedMutex* GetKeyedMutex() const;

  private:
    SharedTextureMemory(Device* device,
                        StringView label,
                        SharedTextureMemoryProperties properties,
                        ComPtr<ID3D12Resource> resource,
                        Ref<d3d::KeyedMutex> keyedMutex);

    static ResultOrError<Ref<SharedTextureMemory>> CreateSharedTextureMemoryFromD3D12Resource(
        Device* device,
        StringView label,
        ComPtr<ID3D12Resource> d3d12Resource,
        Ref<d3d::KeyedMutex> keyedMutex);

    void DestroyImpl(DestroyReason reason) override;

    ResultOrError<Ref<TextureBase>> CreateTextureImpl(
        const UnpackedPtr<TextureDescriptor>& descriptor) override;

    MaybeError BeginAccessImpl(TextureBase* texture,
                               const UnpackedPtr<BeginAccessDescriptor>& descriptor) override;

    ResultOrError<FenceAndSignalValue> EndAccessImpl(TextureBase* texture,
                                                     ExecutionSerial lastUsageSerial,
                                                     UnpackedPtr<EndAccessState>& state) override;

    ComPtr<ID3D12Resource> mResource;
    Ref<d3d::KeyedMutex> mKeyedMutex;
};
}  // namespace d3d12
}  // namespace dawn::native

#endif  // SRC_DAWN_NATIVE_D3D12_SHARED_TEXTURE_MEMORY_D3D12_H_
