forked from mirrors/gecko-dev
ed0cd338e0
GtkCompositorWidget and WindowSurfaceWayland objects are used in Compositor thread and we should hold reference to nsWindow to make sure we don't release nsWindow early. Differential Revision: https://phabricator.services.mozilla.com/D122073
109 lines
3.4 KiB
C++
109 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef widget_gtk_GtkCompositorWidget_h
|
|
#define widget_gtk_GtkCompositorWidget_h
|
|
|
|
#include "GLDefs.h"
|
|
#include "mozilla/DataMutex.h"
|
|
#include "mozilla/widget/CompositorWidget.h"
|
|
#include "WindowSurfaceProvider.h"
|
|
|
|
class nsIWidget;
|
|
class nsWindow;
|
|
|
|
namespace mozilla {
|
|
|
|
namespace layers {
|
|
class NativeLayerRootWayland;
|
|
} // namespace layers
|
|
|
|
namespace widget {
|
|
|
|
class PlatformCompositorWidgetDelegate : public CompositorWidgetDelegate {
|
|
public:
|
|
virtual void NotifyClientSizeChanged(
|
|
const LayoutDeviceIntSize& aClientSize) = 0;
|
|
virtual GtkCompositorWidget* AsGtkCompositorWidget() { return nullptr; };
|
|
|
|
// CompositorWidgetDelegate Overrides
|
|
|
|
PlatformCompositorWidgetDelegate* AsPlatformSpecificDelegate() override {
|
|
return this;
|
|
}
|
|
};
|
|
|
|
class GtkCompositorWidgetInitData;
|
|
|
|
class GtkCompositorWidget : public CompositorWidget,
|
|
public PlatformCompositorWidgetDelegate {
|
|
public:
|
|
GtkCompositorWidget(const GtkCompositorWidgetInitData& aInitData,
|
|
const layers::CompositorOptions& aOptions,
|
|
RefPtr<nsWindow> aWindow /* = nullptr*/);
|
|
~GtkCompositorWidget();
|
|
|
|
// CompositorWidget Overrides
|
|
|
|
already_AddRefed<gfx::DrawTarget> StartRemoteDrawing() override;
|
|
void EndRemoteDrawing() override;
|
|
|
|
already_AddRefed<gfx::DrawTarget> StartRemoteDrawingInRegion(
|
|
const LayoutDeviceIntRegion& aInvalidRegion,
|
|
layers::BufferMode* aBufferMode) override;
|
|
void EndRemoteDrawingInRegion(
|
|
gfx::DrawTarget* aDrawTarget,
|
|
const LayoutDeviceIntRegion& aInvalidRegion) override;
|
|
|
|
LayoutDeviceIntSize GetClientSize() override;
|
|
void RemoteLayoutSizeUpdated(const LayoutDeviceRect& aSize);
|
|
|
|
nsIWidget* RealWidget() override;
|
|
GtkCompositorWidget* AsGTK() override { return this; }
|
|
CompositorWidgetDelegate* AsDelegate() override { return this; }
|
|
|
|
EGLNativeWindowType GetEGLNativeWindow();
|
|
|
|
LayoutDeviceIntRegion GetTransparentRegion() override;
|
|
|
|
#if defined(MOZ_X11)
|
|
Window XWindow() const { return mXWindow; }
|
|
#endif
|
|
#if defined(MOZ_WAYLAND)
|
|
void SetEGLNativeWindowSize(const LayoutDeviceIntSize& aEGLWindowSize);
|
|
RefPtr<mozilla::layers::NativeLayerRoot> GetNativeLayerRoot() override;
|
|
#endif
|
|
|
|
// PlatformCompositorWidgetDelegate Overrides
|
|
|
|
void NotifyClientSizeChanged(const LayoutDeviceIntSize& aClientSize) override;
|
|
GtkCompositorWidget* AsGtkCompositorWidget() override { return this; }
|
|
|
|
protected:
|
|
RefPtr<nsWindow> mWidget;
|
|
|
|
private:
|
|
// This field is written to on the main thread and read from on the compositor
|
|
// or renderer thread. During window resizing, this is subject to a (largely
|
|
// benign) read/write race, see bug 1665726. The DataMutex doesn't prevent the
|
|
// read/write race, but it does make it Not Undefined Behaviour, and also
|
|
// ensures we only ever use the old or new size, and not some weird synthesis
|
|
// of the two.
|
|
DataMutex<LayoutDeviceIntSize> mClientSize;
|
|
|
|
WindowSurfaceProvider mProvider;
|
|
|
|
#if defined(MOZ_X11)
|
|
Window mXWindow = {};
|
|
#endif
|
|
#ifdef MOZ_WAYLAND
|
|
RefPtr<mozilla::layers::NativeLayerRootWayland> mNativeLayerRoot;
|
|
#endif
|
|
};
|
|
|
|
} // namespace widget
|
|
} // namespace mozilla
|
|
|
|
#endif // widget_gtk_GtkCompositorWidget_h
|