wined3d: Introduce wined3d_swapchain_resize_target().

Signed-off-by: Józef Kucia <jkucia@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/wined3d/swapchain.c

@@ -1397,6 +1397,55 @@ HRESULT CDECL wined3d_swapchain_resize_buffers(struct wined3d_swapchain *swapcha
     return WINED3D_OK;
 }
 
+HRESULT CDECL wined3d_swapchain_resize_target(struct wined3d_swapchain *swapchain,
+        const struct wined3d_display_mode *mode)
+{
+    struct wined3d_device *device = swapchain->device;
+    struct wined3d_display_mode current_mode;
+    RECT original_window_rect, window_rect;
+    HRESULT hr;
+
+    TRACE("swapchain %p, mode %p.\n", swapchain, mode);
+
+    SetRect(&window_rect, 0, 0, mode->width, mode->height);
+
+    if (swapchain->desc.windowed)
+    {
+        AdjustWindowRectEx(&window_rect,
+                GetWindowLongW(swapchain->device_window, GWL_STYLE), FALSE,
+                GetWindowLongW(swapchain->device_window, GWL_EXSTYLE));
+        SetRect(&window_rect, 0, 0,
+                window_rect.right - window_rect.left, window_rect.bottom - window_rect.top);
+        GetWindowRect(swapchain->device_window, &original_window_rect);
+        OffsetRect(&window_rect, original_window_rect.left, original_window_rect.top);
+    }
+    else if (swapchain->desc.flags & WINED3D_SWAPCHAIN_ALLOW_MODE_SWITCH)
+    {
+        if (FAILED(hr = wined3d_set_adapter_display_mode(device->wined3d, device->adapter->ordinal, mode)))
+        {
+            WARN("Failed to set display mode, hr %#x.\n", hr);
+            return WINED3DERR_INVALIDCALL;
+        }
+    }
+    else
+    {
+        if (FAILED(hr = wined3d_get_adapter_display_mode(device->wined3d, device->adapter->ordinal,
+                &current_mode, NULL)))
+        {
+            ERR("Failed to get display mode, hr %#x.\n", hr);
+            return WINED3DERR_INVALIDCALL;
+        }
+
+        SetRect(&window_rect, 0, 0, current_mode.width, current_mode.height);
+    }
+
+    MoveWindow(swapchain->device_window, window_rect.left, window_rect.top,
+            window_rect.right - window_rect.left,
+            window_rect.bottom - window_rect.top, TRUE);
+
+    return WINED3D_OK;
+}
+
 HRESULT CDECL wined3d_swapchain_set_fullscreen(struct wined3d_swapchain *swapchain,
         const struct wined3d_swapchain_desc *swapchain_desc, const struct wined3d_display_mode *mode)
 {

dlls/wined3d/wined3d.spec

@@ -242,6 +242,7 @@
 @ cdecl wined3d_swapchain_incref(ptr)
 @ cdecl wined3d_swapchain_present(ptr ptr ptr ptr long)
 @ cdecl wined3d_swapchain_resize_buffers(ptr long long long long long long)
+@ cdecl wined3d_swapchain_resize_target(ptr ptr)
 @ cdecl wined3d_swapchain_set_fullscreen(ptr ptr ptr)
 @ cdecl wined3d_swapchain_set_gamma_ramp(ptr long ptr)
 @ cdecl wined3d_swapchain_set_palette(ptr ptr)

include/wine/wined3d.h

@@ -2527,6 +2527,8 @@ HRESULT __cdecl wined3d_swapchain_present(struct wined3d_swapchain *swapchain,
 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_resize_target(struct wined3d_swapchain *swapchain,
+        const struct wined3d_display_mode *mode);
 HRESULT __cdecl wined3d_swapchain_set_fullscreen(struct wined3d_swapchain *swapchain,
         const struct wined3d_swapchain_desc *desc, const struct wined3d_display_mode *mode);
 HRESULT __cdecl wined3d_swapchain_set_gamma_ramp(const struct wined3d_swapchain *swapchain,