// Copyright 2023 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_D3D11_DEVICED3D11_H_
#define SRC_DAWN_NATIVE_D3D11_DEVICED3D11_H_

#include <memory>
#include <vector>

#include "dawn/common/SerialQueue.h"
#include "dawn/native/d3d/DeviceD3D.h"
#include "dawn/native/d3d11/CommandRecordingContextD3D11.h"
#include "dawn/native/d3d11/DeviceInfoD3D11.h"
#include "dawn/native/d3d11/Forward.h"

namespace dawn::native::d3d11 {

// Definition of backend types
class Device final : public d3d::Device {
  public:
    static ResultOrError<Ref<Device>> Create(AdapterBase* adapter,
                                             const UnpackedPtr<DeviceDescriptor>& descriptor,
                                             const TogglesState& deviceToggles,
                                             Ref<DeviceBase::DeviceLostEvent>&& lostEvent);
    ~Device() override;

    MaybeError Initialize(const UnpackedPtr<DeviceDescriptor>& descriptor);

    ID3D11Device* GetD3D11Device() const;
    ID3D11Device5* GetD3D11Device5() const;

    const DeviceInfo& GetDeviceInfo() const;

    void ReferenceUntilUnused(ComPtr<IUnknown> object);

    ResultOrError<Ref<CommandBufferBase>> CreateCommandBuffer(
        CommandEncoder* encoder,
        const CommandBufferDescriptor* descriptor) override;
    MaybeError TickImpl() override;
    MaybeError CopyFromStagingToBufferImpl(BufferBase* source,
                                           uint64_t sourceOffset,
                                           BufferBase* destination,
                                           uint64_t destinationOffset,
                                           uint64_t size) override;
    MaybeError CopyFromStagingToTextureImpl(const BufferBase* source,
                                            const TextureDataLayout& src,
                                            const TextureCopy& dst,
                                            const Extent3D& copySizePixels) override;
    uint32_t GetOptimalBytesPerRowAlignment() const override;
    uint64_t GetOptimalBufferToTextureCopyOffsetAlignment() const override;
    float GetTimestampPeriodInNS() const override;
    bool MayRequireDuplicationOfIndirectParameters() const override;
    uint64_t GetBufferCopyOffsetAlignmentForDepthStencil() const override;
    bool CanTextureLoadResolveTargetInTheSameRenderpass() const override;
    void SetLabelImpl() override;

    void DisposeKeyedMutex(ComPtr<IDXGIKeyedMutex> dxgiKeyedMutex) override;

    uint32_t GetUAVSlotCount() const;

    ResultOrError<TextureViewBase*> GetOrCreateCachedImplicitPixelLocalStorageAttachment(
        uint32_t width,
        uint32_t height,
        uint32_t implicitAttachmentIndex);

    // Grab a staging buffer, the size of which is no less than 'size'.
    // The buffer must be returned before the advancing of the current pending serial.
    ResultOrError<Ref<BufferBase>> GetStagingBuffer(
        const ScopedCommandRecordingContext* commandContext,
        uint64_t size);
    void ReturnStagingBuffer(Ref<BufferBase>&& buffer);

  private:
    using Base = d3d::Device;
    using Base::Base;
    static constexpr uint64_t kMaxStagingBufferSize = 512 * 1024;

    ResultOrError<Ref<BindGroupBase>> CreateBindGroupImpl(
        const BindGroupDescriptor* descriptor) override;
    ResultOrError<Ref<BindGroupLayoutInternalBase>> CreateBindGroupLayoutImpl(
        const BindGroupLayoutDescriptor* descriptor) override;
    ResultOrError<Ref<BufferBase>> CreateBufferImpl(
        const UnpackedPtr<BufferDescriptor>& descriptor) override;
    ResultOrError<Ref<PipelineLayoutBase>> CreatePipelineLayoutImpl(
        const UnpackedPtr<PipelineLayoutDescriptor>& descriptor) override;
    ResultOrError<Ref<QuerySetBase>> CreateQuerySetImpl(
        const QuerySetDescriptor* descriptor) override;
    ResultOrError<Ref<SamplerBase>> CreateSamplerImpl(const SamplerDescriptor* descriptor) override;
    ResultOrError<Ref<ShaderModuleBase>> CreateShaderModuleImpl(
        const UnpackedPtr<ShaderModuleDescriptor>& descriptor,
        const std::vector<tint::wgsl::Extension>& internalExtensions,
        ShaderModuleParseResult* parseResult,
        OwnedCompilationMessages* compilationMessages) override;
    ResultOrError<Ref<SwapChainBase>> CreateSwapChainImpl(
        Surface* surface,
        SwapChainBase* previousSwapChain,
        const SurfaceConfiguration* config) override;
    ResultOrError<Ref<TextureBase>> CreateTextureImpl(
        const UnpackedPtr<TextureDescriptor>& descriptor) override;
    ResultOrError<Ref<TextureViewBase>> CreateTextureViewImpl(
        TextureBase* texture,
        const UnpackedPtr<TextureViewDescriptor>& descriptor) override;
    Ref<ComputePipelineBase> CreateUninitializedComputePipelineImpl(
        const UnpackedPtr<ComputePipelineDescriptor>& descriptor) override;
    Ref<RenderPipelineBase> CreateUninitializedRenderPipelineImpl(
        const UnpackedPtr<RenderPipelineDescriptor>& descriptor) override;
    void InitializeComputePipelineAsyncImpl(Ref<CreateComputePipelineAsyncEvent> event) override;
    void InitializeRenderPipelineAsyncImpl(Ref<CreateRenderPipelineAsyncEvent> event) override;

    ResultOrError<Ref<SharedTextureMemoryBase>> ImportSharedTextureMemoryImpl(
        const SharedTextureMemoryDescriptor* descriptor) override;
    ResultOrError<Ref<SharedFenceBase>> ImportSharedFenceImpl(
        const SharedFenceDescriptor* descriptor) override;

    void DestroyImpl() override;
    MaybeError CheckDebugLayerAndGenerateErrors();
    void AppendDebugLayerMessages(ErrorData* error) override;
    void AppendDeviceLostMessage(ErrorData* error) override;

    ComPtr<ID3D11Device> mD3d11Device;
    bool mIsDebugLayerEnabled = false;
    ComPtr<ID3D11Device5> mD3d11Device5;
    SerialQueue<ExecutionSerial, ComPtr<IUnknown>> mUsedComObjectRefs;

    // TODO(dawn:1704): decide when to clear the cached implicit pixel local storage attachments.
    std::array<Ref<TextureViewBase>, kMaxPLSSlots> mImplicitPixelLocalStorageAttachmentTextureViews;

    // The cached staging buffers.
    std::vector<Ref<BufferBase>> mStagingBuffers;
    uint64_t mTotalStagingBufferSize = 0;
};

}  // namespace dawn::native::d3d11

#endif  // SRC_DAWN_NATIVE_D3D11_DEVICED3D11_H_