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/*
* Copyright 2019-2021 Diligent Graphics LLC
* Copyright 2015-2019 Egor Yusov
*
* 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.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "D3D12Loader.hpp"
#include "Errors.hpp"
#ifndef NOMINMAX
# define NOMINMAX
#endif
#include <Windows.h>
namespace Diligent
{
D3D12CreateDeviceProcType D3D12CreateDevice;
D3D12GetDebugInterfaceProcType D3D12GetDebugInterface;
D3D12SerializeRootSignatureProcType D3D12SerializeRootSignature;
HMODULE LoadD3D12Dll(const char* DLLPath)
{
#if PLATFORM_WIN32
auto hModule = LoadLibraryA(DLLPath);
if (hModule == NULL)
{
return NULL;
}
bool bAllEntriesLoaded = true;
# define LOAD_D3D12_ENTRY_POINT(Func) \
do \
{ \
Func = (Func##ProcType)GetProcAddress(hModule, #Func); \
if (Func == NULL) \
{ \
bAllEntriesLoaded = false; \
LOG_ERROR_MESSAGE("Failed to loader '" #Func "' function from '", DLLPath, "' dll"); \
} \
} while (false)
#elif PLATFORM_UNIVERSAL_WINDOWS
HMODULE hModule = (HMODULE)-1;
# define LOAD_D3D12_ENTRY_POINT(Func) Func = ::Func
#else
# error Unexpected platform
#endif
LOAD_D3D12_ENTRY_POINT(D3D12CreateDevice);
LOAD_D3D12_ENTRY_POINT(D3D12GetDebugInterface);
LOAD_D3D12_ENTRY_POINT(D3D12SerializeRootSignature);
#undef LOAD_D3D12_ENTRY_POINT
#if PLATFORM_WIN32
if (!bAllEntriesLoaded)
{
FreeLibrary(hModule);
return NULL;
}
#endif
return hModule;
}
} // namespace Diligent
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