src/dawn/native/d3d12/PlatformFunctionsD3D12.h

// Copyright 2018 The Dawn & Tint Authors
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#ifndef SRC_DAWN_NATIVE_D3D12_PLATFORMFUNCTIONS_H_
#define SRC_DAWN_NATIVE_D3D12_PLATFORMFUNCTIONS_H_

#include "dawn/native/d3d/PlatformFunctions.h"
#include "dawn/native/d3d12/d3d12_platform.h"

#include "dawn/common/DynamicLib.h"

namespace dawn::native::d3d12 {

class PlatformFunctions final : public d3d::PlatformFunctions {
  public:
    PlatformFunctions();
    ~PlatformFunctions() override;

    MaybeError LoadFunctions();
    bool IsPIXEventRuntimeLoaded() const;

    // Functions from d3d12.dll
    PFN_D3D12_CREATE_DEVICE d3d12CreateDevice = nullptr;
    PFN_D3D12_GET_DEBUG_INTERFACE d3d12GetDebugInterface = nullptr;

    PFN_D3D12_SERIALIZE_ROOT_SIGNATURE d3d12SerializeRootSignature = nullptr;
    PFN_D3D12_CREATE_ROOT_SIGNATURE_DESERIALIZER d3d12CreateRootSignatureDeserializer = nullptr;
    PFN_D3D12_SERIALIZE_VERSIONED_ROOT_SIGNATURE d3d12SerializeVersionedRootSignature = nullptr;
    PFN_D3D12_CREATE_VERSIONED_ROOT_SIGNATURE_DESERIALIZER
    d3d12CreateVersionedRootSignatureDeserializer = nullptr;

    // Functions from d3d11.dll
    PFN_D3D11ON12_CREATE_DEVICE d3d11on12CreateDevice = nullptr;

    // Functions from WinPixEventRuntime.dll
    using PFN_PIX_END_EVENT_ON_COMMAND_LIST =
        HRESULT(WINAPI*)(ID3D12GraphicsCommandList* commandList);

    PFN_PIX_END_EVENT_ON_COMMAND_LIST pixEndEventOnCommandList = nullptr;

    using PFN_PIX_BEGIN_EVENT_ON_COMMAND_LIST = HRESULT(
        WINAPI*)(ID3D12GraphicsCommandList* commandList, UINT64 color, _In_ PCSTR formatString);

    PFN_PIX_BEGIN_EVENT_ON_COMMAND_LIST pixBeginEventOnCommandList = nullptr;

    using PFN_SET_MARKER_ON_COMMAND_LIST = HRESULT(WINAPI*)(ID3D12GraphicsCommandList* commandList,
                                                            UINT64 color,
                                                            _In_ PCSTR formatString);

    PFN_SET_MARKER_ON_COMMAND_LIST pixSetMarkerOnCommandList = nullptr;

  private:
    using Base = d3d::PlatformFunctions;

    MaybeError LoadD3D12();
    MaybeError LoadD3D11();
    void LoadPIXRuntime();

    DynamicLib mD3D12Lib;
    DynamicLib mD3D11Lib;
    DynamicLib mPIXEventRuntimeLib;
};

}  // namespace dawn::native::d3d12

#endif  // SRC_DAWN_NATIVE_D3D12_PLATFORMFUNCTIONS_H_