dxgi: Implement dxgi_swapchain_ResizeBuffers().

dlls/dxgi/swapchain.c

@@ -218,10 +218,40 @@ static HRESULT STDMETHODCALLTYPE dxgi_swapchain_GetDesc(IDXGISwapChain *iface, D
 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_ResizeBuffers(IDXGISwapChain *iface,
         UINT buffer_count, UINT width, UINT height, DXGI_FORMAT format, UINT flags)
 {
-    FIXME("iface %p, buffer_count %u, width %u, height %u, format %s, flags %#x stub!\n",
+    struct dxgi_swapchain *swapchain = impl_from_IDXGISwapChain(iface);
+    struct wined3d_swapchain_desc wined3d_desc;
+    struct wined3d_surface *surface;
+    IUnknown *parent;
+    unsigned int i;
+    HRESULT hr;
+
+    TRACE("iface %p, buffer_count %u, width %u, height %u, format %s, flags %#x stub!\n",
             iface, buffer_count, width, height, debug_dxgi_format(format), flags);
 
-    return E_NOTIMPL;
+    if (flags)
+        FIXME("Ignoring flags %#x.\n", flags);
+
+    EnterCriticalSection(&dxgi_cs);
+    wined3d_swapchain_get_desc(swapchain->wined3d_swapchain, &wined3d_desc);
+    for (i = 0; i < wined3d_desc.backbuffer_count; ++i)
+    {
+        surface = wined3d_swapchain_get_back_buffer(swapchain->wined3d_swapchain,
+                i, WINED3D_BACKBUFFER_TYPE_MONO);
+        parent = wined3d_surface_get_parent(surface);
+        IUnknown_AddRef(parent);
+        if (IUnknown_Release(parent))
+        {
+            LeaveCriticalSection(&dxgi_cs);
+            return DXGI_ERROR_INVALID_CALL;
+        }
+    }
+    if (format != DXGI_FORMAT_UNKNOWN)
+        wined3d_desc.backbuffer_format = wined3dformat_from_dxgi_format(format);
+    hr = wined3d_swapchain_resize_buffers(swapchain->wined3d_swapchain, buffer_count, width, height,
+            wined3d_desc.backbuffer_format, wined3d_desc.multisample_type, wined3d_desc.multisample_quality);
+    LeaveCriticalSection(&dxgi_cs);
+
+    return hr;
 }
 
 static HRESULT STDMETHODCALLTYPE dxgi_swapchain_ResizeTarget(IDXGISwapChain *iface,

dlls/wined3d/swapchain.c

@@ -1225,7 +1225,7 @@ void wined3d_swapchain_activate(struct wined3d_swapchain *swapchain, BOOL activa
     device->filter_messages = filter_messages;
 }
 
-HRESULT wined3d_swapchain_resize_buffers(struct wined3d_swapchain *swapchain, unsigned int buffer_count,
+HRESULT CDECL wined3d_swapchain_resize_buffers(struct wined3d_swapchain *swapchain, unsigned int buffer_count,
         unsigned int width, unsigned int height, enum wined3d_format_id format_id,
         enum wined3d_multisample_type multisample_type, unsigned int multisample_quality)
 {

dlls/wined3d/wined3d.spec

@@ -255,6 +255,7 @@
 @ cdecl wined3d_swapchain_get_raster_status(ptr ptr)
 @ cdecl wined3d_swapchain_incref(ptr)
 @ cdecl wined3d_swapchain_present(ptr ptr ptr ptr ptr long)
+@ cdecl wined3d_swapchain_resize_buffers(ptr long long long long long long)
 @ cdecl wined3d_swapchain_set_gamma_ramp(ptr long ptr)
 @ cdecl wined3d_swapchain_set_palette(ptr ptr)
 @ cdecl wined3d_swapchain_set_window(ptr ptr)

dlls/wined3d/wined3d_private.h

@@ -2812,9 +2812,6 @@ void wined3d_swapchain_activate(struct wined3d_swapchain *swapchain, BOOL activa
 struct wined3d_context *swapchain_get_context(struct wined3d_swapchain *swapchain) DECLSPEC_HIDDEN;
 void swapchain_destroy_contexts(struct wined3d_swapchain *swapchain) DECLSPEC_HIDDEN;
 HDC swapchain_get_backup_dc(struct wined3d_swapchain *swapchain) DECLSPEC_HIDDEN;
-HRESULT wined3d_swapchain_resize_buffers(struct wined3d_swapchain *swapchain, unsigned int buffer_count,
-        unsigned int width, unsigned int height, enum wined3d_format_id format_id,
-        enum wined3d_multisample_type multisample_type, unsigned int multisample_quality) DECLSPEC_HIDDEN;
 void swapchain_update_draw_bindings(struct wined3d_swapchain *swapchain) DECLSPEC_HIDDEN;
 
 /*****************************************************************************

include/wine/wined3d.h

@@ -2530,6 +2530,9 @@ ULONG __cdecl wined3d_swapchain_incref(struct wined3d_swapchain *swapchain);
 HRESULT __cdecl wined3d_swapchain_present(struct wined3d_swapchain *swapchain,
         const RECT *src_rect, const RECT *dst_rect, HWND dst_window_override,
         const RGNDATA *dirty_region, DWORD flags);
+HRESULT __cdecl wined3d_swapchain_resize_buffers(struct wined3d_swapchain *swapchain, unsigned int buffer_count,
+        unsigned int width, unsigned int height, enum wined3d_format_id format_id,
+        enum wined3d_multisample_type multisample_type, unsigned int multisample_quality);
 HRESULT __cdecl wined3d_swapchain_set_gamma_ramp(const struct wined3d_swapchain *swapchain,
         DWORD flags, const struct wined3d_gamma_ramp *ramp);
 void __cdecl wined3d_swapchain_set_palette(struct wined3d_swapchain *swapchain, struct wined3d_palette *palette);