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save and restore dc state

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FunkyFr3sh 2024-08-15 12:06:02 +02:00
parent 79feefac26
commit f49f09895b
3 changed files with 6 additions and 1 deletions
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1
inc/IDirectDrawSurface.h
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@ -38,6 +38,7 @@ typedef struct IDirectDrawSurfaceImpl
PBITMAPINFO bmi; PBITMAPINFO bmi;
HBITMAP bitmap; HBITMAP bitmap;
HDC hdc; HDC hdc;
int dc_state;
DDCOLORKEY color_key; DDCOLORKEY color_key;
DWORD last_flip_tick; DWORD last_flip_tick;
DWORD last_blt_tick; DWORD last_blt_tick;

2
src/dd.c
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@ -1283,7 +1283,7 @@ HRESULT dd_SetCooperativeLevel(HWND hwnd, DWORD dwFlags)
{ {
hook_init(); hook_init();
g_ddraw.wndproc = (WNDPROC)real_SetWindowLongA(g_ddraw.hwnd, GWL_WNDPROC, (LONG)fake_WndProc); //g_ddraw.wndproc = (WNDPROC)real_SetWindowLongA(g_ddraw.hwnd, GWL_WNDPROC, (LONG)fake_WndProc);
g_ddraw.gui_thread_id = GetWindowThreadProcessId(g_ddraw.hwnd, NULL); g_ddraw.gui_thread_id = GetWindowThreadProcessId(g_ddraw.hwnd, NULL);
if (!g_ddraw.render.hdc) if (!g_ddraw.render.hdc)

4
src/ddsurface.c
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@ -914,6 +914,8 @@ HRESULT dds_GetDC(IDirectDrawSurfaceImpl* This, HDC FAR* lpHDC)
if (lpHDC) if (lpHDC)
*lpHDC = dc; *lpHDC = dc;
InterlockedExchange(&This->dc_state, SaveDC(dc));
return DD_OK; return DD_OK;
} }
@ -1024,6 +1026,8 @@ HRESULT dds_ReleaseDC(IDirectDrawSurfaceImpl* This, HDC hDC)
} }
} }
RestoreDC(hDC, InterlockedExchangeAdd((LONG*)&This->dc_state, 0));
return DD_OK; return DD_OK;
} }