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d3d9: Properly retrieve an interface pointer in IDirect3DDevice9Impl_GetBackBuffer().

This commit is contained in:
Henri Verbeet 2012-04-24 20:54:13 +02:00 committed by Alexandre Julliard
parent 138edd31e5
commit fb5bc72408
1 changed files with 3 additions and 1 deletions
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4
dlls/d3d9/device.c
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@ -596,6 +596,7 @@ static HRESULT WINAPI IDirect3DDevice9Impl_GetBackBuffer(IDirect3DDevice9Ex *ifa
{
IDirect3DDevice9Impl *This = impl_from_IDirect3DDevice9Ex(iface);
struct wined3d_surface *wined3d_surface = NULL;
IDirect3DSurface9Impl *surface_impl;
HRESULT hr;
TRACE("iface %p, swapchain %u, backbuffer_idx %u, backbuffer_type %#x, backbuffer %p.\n",
@ -606,7 +607,8 @@ static HRESULT WINAPI IDirect3DDevice9Impl_GetBackBuffer(IDirect3DDevice9Ex *ifa
BackBuffer, (enum wined3d_backbuffer_type)Type, &wined3d_surface);
if (SUCCEEDED(hr) && wined3d_surface && ppBackBuffer)
{
*ppBackBuffer = wined3d_surface_get_parent(wined3d_surface);
surface_impl = wined3d_surface_get_parent(wined3d_surface);
*ppBackBuffer = &surface_impl->IDirect3DSurface9_iface;
IDirect3DSurface9_AddRef(*ppBackBuffer);
wined3d_surface_decref(wined3d_surface);
}