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https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-04 15:36:35 +00:00
d3d11window_corewindow: Always call methods of CoreWindow interface from UI thread
Like swapchain panel implementation, most methods of CoreWindow should be called from UI thread.
This commit is contained in:
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287f9b18b0
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20d85c95d0
1 changed files with 155 additions and 12 deletions
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@ -55,9 +55,14 @@ GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_window_debug);
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#define GST_CAT_DEFAULT gst_d3d11_window_debug
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#define GST_CAT_DEFAULT gst_d3d11_window_debug
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}
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}
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/* timeout to wait busy UI thread */
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#define DEFAULT_ASYNC_TIMEOUT (5 * 1000)
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typedef struct _CoreWindowWinRTStorage
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typedef struct _CoreWindowWinRTStorage
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{
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{
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ComPtr<Core::ICoreWindow> core_window;
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ComPtr<Core::ICoreWindow> core_window;
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ComPtr<Core::ICoreDispatcher> dispatcher;
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HANDLE cancellable;
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EventRegistrationToken event_token;
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EventRegistrationToken event_token;
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} CoreWindowWinRTStorage;
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} CoreWindowWinRTStorage;
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@ -84,6 +89,10 @@ gst_d3d11_window_core_window_create_swap_chain (GstD3D11Window * window,
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static GstFlowReturn
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static GstFlowReturn
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gst_d3d11_window_core_window_present (GstD3D11Window * window,
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gst_d3d11_window_core_window_present (GstD3D11Window * window,
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guint present_flags);
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guint present_flags);
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static gboolean
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gst_d3d11_window_core_window_unlock (GstD3D11Window * window);
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static gboolean
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gst_d3d11_window_core_window_unlock_stop (GstD3D11Window * window);
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static void
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static void
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gst_d3d11_window_core_window_on_resize (GstD3D11WindowCoreWindow * self,
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gst_d3d11_window_core_window_on_resize (GstD3D11WindowCoreWindow * self,
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guint width, guint height);
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guint width, guint height);
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@ -153,6 +162,76 @@ private:
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GstD3D11WindowCoreWindow * window;
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GstD3D11WindowCoreWindow * window;
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};
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};
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template <typename CB>
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static HRESULT
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run_async (const ComPtr<Core::ICoreDispatcher> &dispatcher, HANDLE cancellable,
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DWORD timeout, CB &&cb)
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{
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ComPtr<IAsyncAction> async_action;
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HRESULT hr;
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HRESULT async_hr;
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boolean can_now;
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DWORD wait_ret;
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HANDLE event_handle[2];
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hr = dispatcher->get_HasThreadAccess (&can_now);
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if (!gst_d3d11_result (hr, NULL))
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return hr;
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if (can_now)
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return cb ();
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Event event (CreateEventEx (NULL, NULL, CREATE_EVENT_MANUAL_RESET,
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EVENT_ALL_ACCESS));
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if (!event.IsValid())
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return E_FAIL;
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auto handler =
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Callback<Implements<RuntimeClassFlags<ClassicCom>,
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Core::IDispatchedHandler, FtmBase>>([&async_hr, &cb, &event] {
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async_hr = cb ();
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SetEvent (event.Get());
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return S_OK;
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});
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hr = dispatcher->RunAsync (Core::CoreDispatcherPriority_Normal, handler.Get(),
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async_action.GetAddressOf());
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if (!gst_d3d11_result (hr, NULL))
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return hr;
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event_handle[0] = event.Get();
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event_handle[1] = cancellable;
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wait_ret = WaitForMultipleObjects (2, event_handle, FALSE, timeout);
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if (wait_ret != WAIT_OBJECT_0)
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return E_FAIL;
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return async_hr;
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}
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static HRESULT
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get_window_size (const ComPtr<Core::ICoreDispatcher> &dispatcher,
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HANDLE cancellable,
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const ComPtr<Core::ICoreWindow> &window, Size *size)
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{
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return run_async (dispatcher, cancellable, DEFAULT_ASYNC_TIMEOUT,
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[window, size] {
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HRESULT hr;
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Rect bounds;
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hr = window->get_Bounds (&bounds);
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if (gst_d3d11_result (hr, NULL)) {
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size->Width = dip_to_pixel (bounds.Width);
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size->Height = dip_to_pixel (bounds.Height);
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}
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return hr;
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});
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}
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static void
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static void
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gst_d3d11_window_core_window_class_init (GstD3D11WindowCoreWindowClass * klass)
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gst_d3d11_window_core_window_class_init (GstD3D11WindowCoreWindowClass * klass)
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{
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{
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@ -170,12 +249,17 @@ gst_d3d11_window_core_window_class_init (GstD3D11WindowCoreWindowClass * klass)
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_create_swap_chain);
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_create_swap_chain);
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window_class->present =
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window_class->present =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_present);
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_present);
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window_class->unlock =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_unlock);
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window_class->unlock_stop =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_unlock_stop);
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}
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}
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static void
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static void
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gst_d3d11_window_core_window_init (GstD3D11WindowCoreWindow * self)
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gst_d3d11_window_core_window_init (GstD3D11WindowCoreWindow * self)
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{
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{
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self->storage = new CoreWindowWinRTStorage;
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self->storage = new CoreWindowWinRTStorage;
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self->storage->cancellable = CreateEvent (NULL, TRUE, FALSE, NULL);
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}
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}
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static void
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static void
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@ -187,7 +271,8 @@ gst_d3d11_window_core_window_constructed (GObject * object)
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HRESULT hr;
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HRESULT hr;
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ComPtr<IInspectable> inspectable;
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ComPtr<IInspectable> inspectable;
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ComPtr<IWindowSizeChangedEventHandler> resize_handler;
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ComPtr<IWindowSizeChangedEventHandler> resize_handler;
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Rect bounds;
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Size size;
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ComPtr<Core::ICoreWindow> core_window;
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if (!window->external_handle) {
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if (!window->external_handle) {
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GST_ERROR_OBJECT (self, "No external window handle");
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GST_ERROR_OBJECT (self, "No external window handle");
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@ -200,22 +285,34 @@ gst_d3d11_window_core_window_constructed (GObject * object)
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if (!gst_d3d11_result (hr, NULL))
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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goto error;
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hr = storage->core_window->get_Bounds (&bounds);
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hr = storage->core_window->get_Dispatcher (&storage->dispatcher);
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if (!gst_d3d11_result (hr, NULL))
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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goto error;
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window->surface_width = dip_to_pixel (bounds.Width);
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hr = get_window_size (storage->dispatcher, storage->cancellable,
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window->surface_height = dip_to_pixel (bounds.Height);
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storage->core_window, &size);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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GST_DEBUG_OBJECT (self,
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GST_DEBUG_OBJECT (self,
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"client size %dx%d", window->surface_width, window->surface_height);
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"client size %dx%d", window->surface_width, window->surface_height);
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window->surface_width = size.Width;
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window->surface_height = size.Height;
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hr = MakeAndInitialize<CoreResizeHandler>(&resize_handler, self);
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hr = MakeAndInitialize<CoreResizeHandler>(&resize_handler, self);
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if (!gst_d3d11_result (hr, NULL))
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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goto error;
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hr = storage->core_window->add_SizeChanged (resize_handler.Get(),
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hr = storage->core_window.As (&core_window);
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&storage->event_token);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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hr = run_async (storage->dispatcher,
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storage->cancellable, DEFAULT_ASYNC_TIMEOUT,
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[self, core_window, resize_handler] {
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return core_window->add_SizeChanged (resize_handler.Get(),
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&self->storage->event_token);
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});
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if (!gst_d3d11_result (hr, NULL))
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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goto error;
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@ -234,9 +331,21 @@ gst_d3d11_window_core_window_dispose (GObject * object)
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CoreWindowWinRTStorage *storage = self->storage;
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CoreWindowWinRTStorage *storage = self->storage;
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if (storage) {
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if (storage) {
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if (storage->core_window)
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if (storage->core_window && storage->dispatcher) {
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storage->core_window->remove_SizeChanged (storage->event_token);
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ComPtr<Core::ICoreWindow> window;
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HRESULT hr;
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hr = storage->core_window.As (&window);
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if (SUCCEEDED (hr)) {
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run_async (storage->dispatcher,
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storage->cancellable, DEFAULT_ASYNC_TIMEOUT,
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[self, window] {
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return window->remove_SizeChanged (self->storage->event_token);
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});
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}
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}
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CloseHandle (storage->cancellable);
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delete storage;
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delete storage;
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}
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}
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@ -251,6 +360,7 @@ gst_d3d11_window_core_window_create_swap_chain (GstD3D11Window * window,
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IDXGISwapChain ** swap_chain)
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IDXGISwapChain ** swap_chain)
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{
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{
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GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
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GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
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CoreWindowWinRTStorage *storage = self->storage;
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ComPtr<IDXGISwapChain1> new_swapchain;
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ComPtr<IDXGISwapChain1> new_swapchain;
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GstD3D11Device *device = window->device;
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GstD3D11Device *device = window->device;
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DXGI_SWAP_CHAIN_DESC1 desc1 = { 0, };
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DXGI_SWAP_CHAIN_DESC1 desc1 = { 0, };
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@ -279,8 +389,12 @@ gst_d3d11_window_core_window_create_swap_chain (GstD3D11Window * window,
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new_swapchain.CopyTo (swap_chain);
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new_swapchain.CopyTo (swap_chain);
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gst_d3d11_window_on_resize (GST_D3D11_WINDOW (self),
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run_async (storage->dispatcher, storage->cancellable, DEFAULT_ASYNC_TIMEOUT,
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window->surface_width, window->surface_height);
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[window] {
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gst_d3d11_window_on_resize (window,
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window->surface_width, window->surface_height);
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return S_OK;
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});
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return TRUE;
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return TRUE;
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}
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}
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@ -310,11 +424,40 @@ gst_d3d11_window_core_window_present (GstD3D11Window * window,
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return GST_FLOW_OK;
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return GST_FLOW_OK;
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}
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}
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static gboolean
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gst_d3d11_window_core_window_unlock (GstD3D11Window * window)
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{
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GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
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CoreWindowWinRTStorage *storage = self->storage;
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SetEvent (storage->cancellable);
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return TRUE;
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}
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static gboolean
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gst_d3d11_window_core_window_unlock_stop (GstD3D11Window * window)
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{
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GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
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CoreWindowWinRTStorage *storage = self->storage;
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ResetEvent (storage->cancellable);
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return TRUE;
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}
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static void
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static void
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gst_d3d11_window_core_window_update_swap_chain (GstD3D11Window * window)
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gst_d3d11_window_core_window_update_swap_chain (GstD3D11Window * window)
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{
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{
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gst_d3d11_window_on_resize (window,
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GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
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window->surface_width, window->surface_height);
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CoreWindowWinRTStorage *storage = self->storage;
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run_async (storage->dispatcher, storage->cancellable, DEFAULT_ASYNC_TIMEOUT,
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[window] {
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gst_d3d11_window_on_resize (window,
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window->surface_width, window->surface_height);
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return S_OK;
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});
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return;
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return;
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}
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}
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