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Fix compatibility with Windows XP

This commit is contained in:
Cameron Cawley 2022-09-06 11:21:57 +01:00 committed by Ryan C. Gordon
parent 911524da45
commit 10e1ef00e2
1 changed files with 23 additions and 1 deletions
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24
src/render/direct3d12/SDL_render_d3d12.c
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@ -719,6 +719,13 @@ D3D12_CreateDeviceResources(SDL_Renderer* renderer)
typedef HRESULT(WINAPI* PFN_CREATE_DXGI_FACTORY)(UINT flags, REFIID riid, void** ppFactory);
PFN_CREATE_DXGI_FACTORY CreateDXGIFactoryFunc;
PFN_D3D12_CREATE_DEVICE D3D12CreateDeviceFunc;
#endif
#ifndef __GDK__
HMODULE kernel32;
typedef HANDLE(WINAPI* PFN_CREATE_EVENT_EX)(LPSECURITY_ATTRIBUTES lpEventAttributes, LPCWSTR lpName, DWORD dwFlags, DWORD dwDesiredAccess);
PFN_CREATE_EVENT_EX CreateEventExFunc;
#else
#define CreateEventExFunc CreateEventEx
#endif
D3D12_RenderData* data = (D3D12_RenderData*)renderer->driverdata;
ID3D12Device* d3dDevice = NULL;
@ -748,6 +755,21 @@ D3D12_CreateDeviceResources(SDL_Renderer* renderer)
/* See if we need debug interfaces */
createDebug = SDL_GetHintBoolean(SDL_HINT_RENDER_DIRECT3D11_DEBUG, SDL_FALSE);
#ifndef __GDK__
/* CreateEventEx() arrived in Vista, so we need to load it with GetProcAddress for XP. */
kernel32 = GetModuleHandle(TEXT("kernel32.dll"));
if (!kernel32) {
result = E_FAIL;
goto done;
}
CreateEventExFunc = (PFN_CREATE_EVENT_EX) GetProcAddress(kernel32, "CreateEventExW");
if (!CreateEventExFunc) {
result = E_FAIL;
goto done;
}
#endif
#if !defined(__XBOXONE__) && !defined(__XBOXSERIES__)
data->hDXGIMod = SDL_LoadObject("dxgi.dll");
if (!data->hDXGIMod) {
@ -999,7 +1021,7 @@ D3D12_CreateDeviceResources(SDL_Renderer* renderer)
data->fenceValue++;
data->fenceEvent = CreateEventEx(NULL, NULL, 0, EVENT_MODIFY_STATE | SYNCHRONIZE);
data->fenceEvent = CreateEventExFunc(NULL, NULL, 0, EVENT_MODIFY_STATE | SYNCHRONIZE);
if (!data->fenceEvent) {
WIN_SetErrorFromHRESULT(SDL_COMPOSE_ERROR("CreateEventEx"), result);
goto done;