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d3d8: Properly retrieve an interface pointer in IDirect3DSwapChain8Impl_GetBackBuffer().

This commit is contained in:
Henri Verbeet 2012-04-19 20:44:56 +02:00 committed by Alexandre Julliard
parent bd3a941b20
commit 532d224692
1 changed files with 3 additions and 1 deletions
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4
dlls/d3d8/swapchain.c
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@ -110,6 +110,7 @@ static HRESULT WINAPI IDirect3DSwapChain8Impl_GetBackBuffer(IDirect3DSwapChain8
{
IDirect3DSwapChain8Impl *This = impl_from_IDirect3DSwapChain8(iface);
struct wined3d_surface *wined3d_surface = NULL;
IDirect3DSurface8Impl *surface_impl;
HRESULT hr;
TRACE("iface %p, backbuffer_idx %u, backbuffer_type %#x, backbuffer %p.\n",
@ -120,7 +121,8 @@ static HRESULT WINAPI IDirect3DSwapChain8Impl_GetBackBuffer(IDirect3DSwapChain8
iBackBuffer, (enum wined3d_backbuffer_type)Type, &wined3d_surface);
if (SUCCEEDED(hr) && wined3d_surface)
{
*ppBackBuffer = wined3d_surface_get_parent(wined3d_surface);
surface_impl = wined3d_surface_get_parent(wined3d_surface);
*ppBackBuffer = &surface_impl->IDirect3DSurface8_iface;
IDirect3DSurface8_AddRef(*ppBackBuffer);
wined3d_surface_decref(wined3d_surface);
}