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wined3d: Copy the DIB to sysmem when PIN_SYSMEM is set.

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Stefan Dösinger 2014-05-07 15:16:34 +02:00 committed by Alexandre Julliard
parent a373c35371
commit 19f45af19c
1 changed files with 13 additions and 2 deletions
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15
dlls/wined3d/surface.c
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@ -3234,8 +3234,19 @@ HRESULT CDECL wined3d_surface_releasedc(struct wined3d_surface *surface, HDC dc)
surface->resource.map_count--;
surface->flags &= ~SFLAG_DCINUSE;
if (surface->map_binding == WINED3D_LOCATION_USER_MEMORY)
surface_load_location(surface, WINED3D_LOCATION_USER_MEMORY);
if (surface->map_binding == WINED3D_LOCATION_USER_MEMORY || (surface->flags & SFLAG_PIN_SYSMEM
&& surface->map_binding != WINED3D_LOCATION_DIB))
{
/* The game Salammbo modifies the surface contents without mapping the surface between
* a GetDC/ReleaseDC operation and flipping the surface. If the DIB remains the active
* copy and is copied to the screen, this update, which draws the mouse pointer, is lost.
* Do not only copy the DIB to the map location, but also make sure the map location is
* copied back to the DIB in the next getdc call.
*
* The same consideration applies to user memory surfaces. */
surface_load_location(surface, surface->map_binding);
surface_invalidate_location(surface, WINED3D_LOCATION_DIB);
}
return WINED3D_OK;
}