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some experimental code for Capitalism2/CapLab

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This commit is contained in:
FunkyFr3sh 2021-05-06 00:15:47 +02:00
parent d7ad443d92
commit 442b6c3f57
1 changed files with 21 additions and 12 deletions
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33
src/ddsurface.c
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@ -15,6 +15,15 @@
HRESULT dds_AddAttachedSurface(IDirectDrawSurfaceImpl *This, LPDIRECTDRAWSURFACE lpDDSurface)
{
IDirectDrawSurface_AddRef(lpDDSurface);
if (g_ddraw->backbuffer && !This->backbuffer)
{
IDirectDrawSurfaceImpl* surface = (IDirectDrawSurfaceImpl*)lpDDSurface;
surface->caps |= DDSCAPS_BACKBUFFER;
This->backbuffer = surface;
}
return DD_OK;
}
@ -672,21 +681,21 @@ HRESULT dds_EnumAttachedSurfaces(IDirectDrawSurfaceImpl *This, LPVOID lpContext,
HRESULT dds_Flip(IDirectDrawSurfaceImpl *This, LPDIRECTDRAWSURFACE surface, DWORD flags)
{
if(This->caps & DDSCAPS_PRIMARYSURFACE && g_ddraw->render.run)
if (This->backbuffer)
{
if (This->backbuffer)
{
EnterCriticalSection(&g_ddraw->cs);
void* surface = InterlockedExchangePointer(&This->surface, This->backbuffer->surface);
HBITMAP bitmap = (HBITMAP)InterlockedExchangePointer(&This->bitmap, This->backbuffer->bitmap);
HDC hdc = (HDC)InterlockedExchangePointer(&This->hdc, This->backbuffer->hdc);
EnterCriticalSection(&g_ddraw->cs);
void* surface = InterlockedExchangePointer(&This->surface, This->backbuffer->surface);
HBITMAP bitmap = (HBITMAP)InterlockedExchangePointer(&This->bitmap, This->backbuffer->bitmap);
HDC hdc = (HDC)InterlockedExchangePointer(&This->hdc, This->backbuffer->hdc);
InterlockedExchangePointer(&This->backbuffer->surface, surface);
InterlockedExchangePointer(&This->backbuffer->bitmap, bitmap);
InterlockedExchangePointer(&This->backbuffer->hdc, hdc);
LeaveCriticalSection(&g_ddraw->cs);
}
InterlockedExchangePointer(&This->backbuffer->surface, surface);
InterlockedExchangePointer(&This->backbuffer->bitmap, bitmap);
InterlockedExchangePointer(&This->backbuffer->hdc, hdc);
LeaveCriticalSection(&g_ddraw->cs);
}
if (This->caps & DDSCAPS_PRIMARYSURFACE && g_ddraw->render.run)
{
This->last_flip_tick = timeGetTime();
InterlockedExchange(&g_ddraw->render.surface_updated, TRUE);