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d3d9: Properly retrieve an interface pointer in IDirect3DSwapChain9Impl_GetBackBuffer().

This commit is contained in:
Henri Verbeet 2012-04-23 21:24:55 +02:00 committed by Alexandre Julliard
parent d9000aeec3
commit 7efbfe494e
1 changed files with 3 additions and 1 deletions
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4
dlls/d3d9/swapchain.c
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@ -129,6 +129,7 @@ static HRESULT WINAPI IDirect3DSwapChain9Impl_GetBackBuffer(IDirect3DSwapChain9
{
IDirect3DSwapChain9Impl *swapchain = impl_from_IDirect3DSwapChain9(iface);
struct wined3d_surface *wined3d_surface = NULL;
IDirect3DSurface9Impl *surface_impl;
HRESULT hr;
TRACE("iface %p, backbuffer_idx %u, backbuffer_type %#x, backbuffer %p.\n",
@ -139,7 +140,8 @@ static HRESULT WINAPI IDirect3DSwapChain9Impl_GetBackBuffer(IDirect3DSwapChain9
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->IDirect3DSurface9_iface;
IDirect3DSurface9_AddRef(*ppBackBuffer);
wined3d_surface_decref(wined3d_surface);
}