Update
This commit is contained in:
Akkariin Meiko
@@ -0,0 +1,556 @@
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/*
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* GStreamer
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* Copyright (C) 2019 Seungha Yang <seungha.yang@navercorp.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "gstd3d11window_corewindow.h"
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/* workaround for GetCurrentTime collision */
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#ifdef GetCurrentTime
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#undef GetCurrentTime
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#endif
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#include <windows.ui.xaml.h>
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#include <windows.ui.xaml.media.dxinterop.h>
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#include <windows.applicationmodel.core.h>
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#include <wrl.h>
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#include <wrl/wrappers/corewrappers.h>
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#include <windows.graphics.display.h>
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/* *INDENT-OFF* */
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using namespace Microsoft::WRL;
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using namespace Microsoft::WRL::Wrappers;
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using namespace ABI::Windows::UI;
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using namespace ABI::Windows::Foundation;
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using namespace ABI::Windows::Foundation::Collections;
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using namespace ABI::Windows::Graphics;
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typedef ABI::Windows::Foundation::
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__FITypedEventHandler_2_Windows__CUI__CCore__CCoreWindow_Windows__CUI__CCore__CWindowSizeChangedEventArgs_t
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IWindowSizeChangedEventHandler;
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GST_DEBUG_CATEGORY_EXTERN (gst_d3d11_window_debug);
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#define GST_CAT_DEFAULT gst_d3d11_window_debug
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/* timeout to wait busy UI thread */
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#define DEFAULT_ASYNC_TIMEOUT (10 * 1000)
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typedef struct _CoreWindowWinRTStorage
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{
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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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} CoreWindowWinRTStorage;
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/* *INDENT-ON* */
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struct _GstD3D11WindowCoreWindow
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{
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GstD3D11Window parent;
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CoreWindowWinRTStorage *storage;
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};
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#define gst_d3d11_window_core_window_parent_class parent_class
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G_DEFINE_TYPE (GstD3D11WindowCoreWindow, gst_d3d11_window_core_window,
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GST_TYPE_D3D11_WINDOW);
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static void gst_d3d11_window_core_window_constructed (GObject * object);
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static void gst_d3d11_window_core_window_dispose (GObject * object);
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static void gst_d3d11_window_core_window_update_swap_chain (GstD3D11Window *
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window);
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static void gst_d3d11_window_core_window_change_fullscreen_mode (GstD3D11Window
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* window);
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static gboolean gst_d3d11_window_core_window_create_swap_chain (GstD3D11Window *
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window, DXGI_FORMAT format, guint width, guint height,
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guint swapchain_flags, IDXGISwapChain ** swap_chain);
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static GstFlowReturn gst_d3d11_window_core_window_present (GstD3D11Window *
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window, guint present_flags);
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static gboolean 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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gst_d3d11_window_core_window_on_resize (GstD3D11Window * window,
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guint width, guint height);
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static void
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gst_d3d11_window_core_window_on_resize_sync (GstD3D11Window * window);
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static void gst_d3d11_window_core_window_unprepare (GstD3D11Window * window);
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static float
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get_logical_dpi (void)
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{
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/* *INDENT-OFF* */
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ComPtr<Display::IDisplayPropertiesStatics> properties;
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/* *INDENT-ON* */
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HRESULT hr;
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HStringReference str_ref =
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HStringReference
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(RuntimeClass_Windows_Graphics_Display_DisplayProperties);
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hr = GetActivationFactory (str_ref.Get (), properties.GetAddressOf ());
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if (gst_d3d11_result (hr, NULL)) {
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float dpi = 96.0f;
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hr = properties->get_LogicalDpi (&dpi);
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if (gst_d3d11_result (hr, NULL))
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return dpi;
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}
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return 96.0f;
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}
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static inline float
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dip_to_pixel (float dip)
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{
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/* https://docs.microsoft.com/en-us/windows/win32/learnwin32/dpi-and-device-independent-pixels */
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return dip * get_logical_dpi () / 96.0f;
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}
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/* *INDENT-OFF* */
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class CoreResizeHandler
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: public RuntimeClass<RuntimeClassFlags<ClassicCom>,
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IWindowSizeChangedEventHandler>
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{
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public:
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CoreResizeHandler () {}
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HRESULT RuntimeClassInitialize (GstD3D11Window * listener)
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{
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if (!listener)
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return E_INVALIDARG;
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window = listener;
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return S_OK;
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}
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IFACEMETHOD(Invoke)
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(Core::ICoreWindow * sender, Core::IWindowSizeChangedEventArgs * args)
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{
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if (window) {
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Size new_size;
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HRESULT hr = args->get_Size(&new_size);
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if (gst_d3d11_result (hr, NULL)) {
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guint width, height;
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width = (guint) dip_to_pixel (new_size.Width);
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height = (guint) dip_to_pixel (new_size.Height);
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window->surface_width = width;
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window->surface_height = height;
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gst_d3d11_window_core_window_on_resize_sync (window);
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}
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}
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return S_OK;
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}
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private:
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GstD3D11Window * window;
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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, INFINITE,
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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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/* *INDENT-ON* */
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static void
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gst_d3d11_window_core_window_class_init (GstD3D11WindowCoreWindowClass * klass)
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{
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GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
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GstD3D11WindowClass *window_class = GST_D3D11_WINDOW_CLASS (klass);
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gobject_class->constructed = gst_d3d11_window_core_window_constructed;
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gobject_class->dispose = gst_d3d11_window_core_window_dispose;
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window_class->update_swap_chain =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_update_swap_chain);
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window_class->change_fullscreen_mode =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_change_fullscreen_mode);
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window_class->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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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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window_class->on_resize =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_on_resize);
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window_class->unprepare =
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GST_DEBUG_FUNCPTR (gst_d3d11_window_core_window_unprepare);
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}
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static void
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gst_d3d11_window_core_window_init (GstD3D11WindowCoreWindow * self)
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{
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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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/* *INDENT-OFF* */
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static void
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gst_d3d11_window_core_window_constructed (GObject * object)
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{
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GstD3D11Window *window = GST_D3D11_WINDOW (object);
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GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (object);
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CoreWindowWinRTStorage *storage = self->storage;
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HRESULT hr;
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ComPtr<IInspectable> inspectable;
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ComPtr<IWindowSizeChangedEventHandler> resize_handler;
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ComPtr<Core::ICoreWindow> core_window;
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Size size;
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if (!window->external_handle) {
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GST_ERROR_OBJECT (self, "No external window handle");
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return;
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}
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inspectable = reinterpret_cast<IInspectable*> (window->external_handle);
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hr = inspectable.As (&storage->core_window);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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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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goto error;
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hr = get_window_size (storage->dispatcher, storage->cancellable,
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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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"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, window);
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if (!gst_d3d11_result (hr, NULL))
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goto error;
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hr = storage->core_window.As (&core_window);
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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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goto error;
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window->initialized = TRUE;
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return;
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error:
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GST_ERROR_OBJECT (self, "Invalid window handle");
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return;
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}
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/* *INDENT-ON* */
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||||
|
||||
static void
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gst_d3d11_window_core_window_dispose (GObject * object)
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||||
{
|
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gst_d3d11_window_core_window_unprepare (GST_D3D11_WINDOW (object));
|
||||
|
||||
G_OBJECT_CLASS (parent_class)->dispose (object);
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||||
}
|
||||
|
||||
/* *INDENT-OFF* */
|
||||
static void
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||||
gst_d3d11_window_core_window_unprepare (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;
|
||||
|
||||
if (storage) {
|
||||
if (storage->core_window && storage->dispatcher) {
|
||||
ComPtr<Core::ICoreWindow> window;
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||||
HRESULT hr;
|
||||
|
||||
hr = storage->core_window.As (&window);
|
||||
if (SUCCEEDED (hr)) {
|
||||
run_async (storage->dispatcher,
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||||
storage->cancellable, DEFAULT_ASYNC_TIMEOUT,
|
||||
[self, window] {
|
||||
return window->remove_SizeChanged (self->storage->event_token);
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||||
});
|
||||
}
|
||||
}
|
||||
|
||||
CloseHandle (storage->cancellable);
|
||||
delete storage;
|
||||
}
|
||||
|
||||
self->storage = NULL;
|
||||
}
|
||||
/* *INDENT-ON* */
|
||||
|
||||
static IDXGISwapChain1 *
|
||||
create_swap_chain_for_core_window (GstD3D11WindowCoreWindow * self,
|
||||
GstD3D11Device * device, guintptr core_window, DXGI_SWAP_CHAIN_DESC1 * desc,
|
||||
IDXGIOutput * output)
|
||||
{
|
||||
HRESULT hr;
|
||||
IDXGISwapChain1 *swap_chain = NULL;
|
||||
ID3D11Device *device_handle = gst_d3d11_device_get_device_handle (device);
|
||||
IDXGIFactory1 *factory = gst_d3d11_device_get_dxgi_factory_handle (device);
|
||||
ComPtr < IDXGIFactory2 > factory2;
|
||||
|
||||
hr = factory->QueryInterface (IID_PPV_ARGS (&factory2));
|
||||
if (!gst_d3d11_result (hr, device)) {
|
||||
GST_WARNING_OBJECT (self, "IDXGIFactory2 interface is unavailable");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
gst_d3d11_device_lock (device);
|
||||
hr = factory2->CreateSwapChainForCoreWindow (device_handle,
|
||||
(IUnknown *) core_window, desc, output, &swap_chain);
|
||||
gst_d3d11_device_unlock (device);
|
||||
|
||||
if (!gst_d3d11_result (hr, device)) {
|
||||
GST_WARNING_OBJECT (self, "Cannot create SwapChain Object: 0x%x",
|
||||
(guint) hr);
|
||||
swap_chain = NULL;
|
||||
}
|
||||
|
||||
return swap_chain;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_d3d11_window_core_window_create_swap_chain (GstD3D11Window * window,
|
||||
DXGI_FORMAT format, guint width, guint height, guint swapchain_flags,
|
||||
IDXGISwapChain ** swap_chain)
|
||||
{
|
||||
GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
|
||||
/* *INDENT-OFF* */
|
||||
ComPtr<IDXGISwapChain1> new_swapchain;
|
||||
/* *INDENT-ON* */
|
||||
GstD3D11Device *device = window->device;
|
||||
DXGI_SWAP_CHAIN_DESC1 desc1 = { 0, };
|
||||
|
||||
desc1.Width = width;
|
||||
desc1.Height = height;
|
||||
desc1.Format = format;
|
||||
desc1.Stereo = FALSE;
|
||||
desc1.SampleDesc.Count = 1;
|
||||
desc1.SampleDesc.Quality = 0;
|
||||
desc1.BufferUsage = DXGI_USAGE_RENDER_TARGET_OUTPUT;
|
||||
desc1.BufferCount = 2;
|
||||
desc1.Scaling = DXGI_SCALING_NONE;
|
||||
desc1.SwapEffect = DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
|
||||
desc1.AlphaMode = DXGI_ALPHA_MODE_UNSPECIFIED;
|
||||
desc1.Flags = swapchain_flags;
|
||||
|
||||
new_swapchain =
|
||||
create_swap_chain_for_core_window (self, device,
|
||||
window->external_handle, &desc1, NULL);
|
||||
|
||||
if (!new_swapchain) {
|
||||
GST_ERROR_OBJECT (self, "Cannot create swapchain");
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
new_swapchain.CopyTo (swap_chain);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static GstFlowReturn
|
||||
gst_d3d11_window_core_window_present (GstD3D11Window * window,
|
||||
guint present_flags)
|
||||
{
|
||||
GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
|
||||
HRESULT hr;
|
||||
DXGI_PRESENT_PARAMETERS present_params = { 0, };
|
||||
IDXGISwapChain1 *swap_chain = (IDXGISwapChain1 *) window->swap_chain;
|
||||
|
||||
/* the first present should not specify dirty-rect */
|
||||
if (!window->first_present) {
|
||||
present_params.DirtyRectsCount = 1;
|
||||
present_params.pDirtyRects = &window->render_rect;
|
||||
}
|
||||
|
||||
hr = swap_chain->Present1 (0, present_flags, &present_params);
|
||||
|
||||
if (!gst_d3d11_result (hr, window->device)) {
|
||||
GST_WARNING_OBJECT (self, "Direct3D cannot present texture, hr: 0x%x",
|
||||
(guint) hr);
|
||||
}
|
||||
|
||||
return GST_FLOW_OK;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_d3d11_window_core_window_unlock (GstD3D11Window * window)
|
||||
{
|
||||
GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
|
||||
CoreWindowWinRTStorage *storage = self->storage;
|
||||
|
||||
SetEvent (storage->cancellable);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static gboolean
|
||||
gst_d3d11_window_core_window_unlock_stop (GstD3D11Window * window)
|
||||
{
|
||||
GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
|
||||
CoreWindowWinRTStorage *storage = self->storage;
|
||||
|
||||
ResetEvent (storage->cancellable);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_d3d11_window_core_window_update_swap_chain (GstD3D11Window * window)
|
||||
{
|
||||
gst_d3d11_window_core_window_on_resize (window,
|
||||
window->surface_width, window->surface_height);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_d3d11_window_core_window_change_fullscreen_mode (GstD3D11Window * window)
|
||||
{
|
||||
GST_FIXME_OBJECT (window, "Implement fullscreen mode change");
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static void
|
||||
gst_d3d11_window_core_window_on_resize (GstD3D11Window * window,
|
||||
guint width, guint height)
|
||||
{
|
||||
GstD3D11WindowCoreWindow *self = GST_D3D11_WINDOW_CORE_WINDOW (window);
|
||||
CoreWindowWinRTStorage *storage = self->storage;
|
||||
|
||||
/* *INDENT-OFF* */
|
||||
run_async (storage->dispatcher, storage->cancellable, INFINITE,
|
||||
[window] {
|
||||
gst_d3d11_window_core_window_on_resize_sync (window);
|
||||
return S_OK;
|
||||
});
|
||||
/* *INDENT-ON* */
|
||||
}
|
||||
|
||||
static void
|
||||
gst_d3d11_window_core_window_on_resize_sync (GstD3D11Window * window)
|
||||
{
|
||||
GST_LOG_OBJECT (window,
|
||||
"New size %dx%d", window->surface_width, window->surface_height);
|
||||
|
||||
GST_D3D11_WINDOW_CLASS (parent_class)->on_resize (window,
|
||||
window->surface_width, window->surface_height);
|
||||
}
|
||||
|
||||
GstD3D11Window *
|
||||
gst_d3d11_window_core_window_new (GstD3D11Device * device, guintptr handle)
|
||||
{
|
||||
GstD3D11Window *window;
|
||||
|
||||
g_return_val_if_fail (GST_IS_D3D11_DEVICE (device), NULL);
|
||||
g_return_val_if_fail (handle, NULL);
|
||||
|
||||
window = (GstD3D11Window *)
|
||||
g_object_new (GST_TYPE_D3D11_WINDOW_CORE_WINDOW,
|
||||
"d3d11device", device, "window-handle", handle, NULL);
|
||||
|
||||
if (!window->initialized) {
|
||||
gst_object_unref (window);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
g_object_ref_sink (window);
|
||||
|
||||
return window;
|
||||
}
|
||||
Reference in New Issue
Block a user