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// Copyright 2018 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef DAWNNATIVE_D3D12_PLATFORMFUNCTIONS_H_
#define DAWNNATIVE_D3D12_PLATFORMFUNCTIONS_H_
#include "dawn_native/d3d12/d3d12_platform.h"
#include "common/DynamicLib.h"
#include "dawn_native/Error.h"
#include <d3dcompiler.h>
class DynamicLib;
namespace dawn_native { namespace d3d12 {
// Loads the functions required from the platform dynamically so that we don't need to rely on
// them being present in the system. For example linking against d3d12.lib would prevent
// dawn_native from loading on Windows 7 system where d3d12.dll doesn't exist.
class PlatformFunctions {
public:
PlatformFunctions();
~PlatformFunctions();
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 dxgi.dll
using PFN_DXGI_GET_DEBUG_INTERFACE1 = HRESULT(WINAPI*)(UINT Flags,
REFIID riid,
_COM_Outptr_ void** pDebug);
PFN_DXGI_GET_DEBUG_INTERFACE1 dxgiGetDebugInterface1 = nullptr;
using PFN_CREATE_DXGI_FACTORY2 = HRESULT(WINAPI*)(UINT Flags,
REFIID riid,
_COM_Outptr_ void** ppFactory);
PFN_CREATE_DXGI_FACTORY2 createDxgiFactory2 = nullptr;
// Functions from d3d3compiler.dll
pD3DCompile d3dCompile = 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:
MaybeError LoadD3D12();
MaybeError LoadDXGI();
MaybeError LoadD3DCompiler();
void LoadPIXRuntime();
DynamicLib mD3D12Lib;
DynamicLib mDXGILib;
DynamicLib mD3DCompilerLib;
DynamicLib mPIXEventRuntimeLib;
};
}} // namespace dawn_native::d3d12
#endif // DAWNNATIVE_VULKAN_VULKANFUNCTIONS_H_
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