lucent/cocco-ddraw
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fully separate render thread to prevent slowdowns in main thread

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This commit is contained in:
FunkyFr3sh 2017-11-11 23:32:07 +01:00
parent 79b83bcb7a
commit 9bd708d8f5
7 changed files with 28 additions and 84 deletions
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54
main.c
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@ -156,18 +156,6 @@ HRESULT __stdcall ddraw_RestoreDisplayMode(IDirectDrawImpl *This)
return DD_OK;
}
/* only stop drawing in GL mode when minimized */
if (This->renderer == render_main)
{
EnterCriticalSection(&This->cs);
This->render.run = FALSE;
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
LeaveCriticalSection(&This->cs);
WaitForSingleObject(This->render.thread, INFINITE);
This->render.thread = NULL;
}
if(!ddraw->windowed)
{
ChangeDisplaySettings(&This->mode, 0);
@ -209,15 +197,6 @@ HRESULT __stdcall ddraw_SetDisplayMode(IDirectDrawImpl *This, DWORD width, DWORD
This->render.run = TRUE;
if (This->renderer == render_dummy_main)
{
if(This->render.thread == NULL)
{
This->render.thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)This->renderer, NULL, 0, NULL);
}
return DD_OK;
}
mouse_unlock();
const HANDLE hbicon = LoadImage(GetModuleHandle(0), MAKEINTRESOURCE(IDR_MYMENU), IMAGE_ICON, GetSystemMetrics(SM_CXICON), GetSystemMetrics(SM_CYICON), 0);
@ -275,11 +254,6 @@ HRESULT __stdcall ddraw_SetDisplayMode(IDirectDrawImpl *This, DWORD width, DWORD
}
}
if(This->render.thread == NULL)
{
This->render.thread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)This->renderer, NULL, 0, NULL);
}
return DD_OK;
}
@ -429,17 +403,9 @@ LRESULT CALLBACK WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
}
break;
/* make sure we redraw when WM_PAINT is requested */
case WM_PAINT:
EnterCriticalSection(&ddraw->cs);
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
LeaveCriticalSection(&ddraw->cs);
break;
case WM_ERASEBKGND:
EnterCriticalSection(&ddraw->cs);
FillRect(ddraw->render.hDC, &rc, (HBRUSH) GetStockObject(BLACK_BRUSH));
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
LeaveCriticalSection(&ddraw->cs);
break;
}
@ -545,15 +511,11 @@ ULONG __stdcall ddraw_Release(IDirectDrawImpl *This)
PostMessage(This->hWnd, WM_USER, 0, 0);
}
if(This->render.run)
if (This->render.thread)
{
EnterCriticalSection(&This->cs);
This->render.run = FALSE;
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
LeaveCriticalSection(&This->cs);
WaitForSingleObject(This->render.thread, INFINITE);
HANDLE thread = This->render.thread;
This->render.thread = NULL;
WaitForSingleObject(thread, INFINITE);
}
if(This->render.hDC)
@ -562,12 +524,6 @@ ULONG __stdcall ddraw_Release(IDirectDrawImpl *This)
This->render.hDC = NULL;
}
if(This->render.ev)
{
CloseHandle(This->render.ev);
ddraw->render.ev = NULL;
}
if(This->real_dll)
{
FreeLibrary(This->real_dll);
@ -664,8 +620,6 @@ HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnk
}
InitializeCriticalSection(&This->cs);
This->render.ev = CreateEvent(NULL, TRUE, FALSE, NULL);
This->render.sem = CreateSemaphore(NULL, 0, 1, NULL);
/* load configuration options from ddraw.ini */
char cwd[MAX_PATH];
@ -741,7 +695,7 @@ HRESULT WINAPI DirectDrawCreate(GUID FAR* lpGUID, LPDIRECTDRAW FAR* lplpDD, IUnk
This->boxing = TRUE;
}
This->render.maxfps = GetPrivateProfileIntA("ddraw", "maxfps", 0, ini_path);
This->render.maxfps = GetPrivateProfileIntA("ddraw", "max_fps", 60, ini_path);
This->render.width = GetPrivateProfileIntA("ddraw", "width", 0, ini_path);
This->render.height = GetPrivateProfileIntA("ddraw", "height", 0, ini_path);