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/* -*- 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/. */
#include "GtkCompositorWidget.h"
#include "mozilla/gfx/gfxVars.h"
#include "mozilla/layers/CompositorThread.h"
#include "mozilla/widget/InProcessCompositorWidget.h"
#include "mozilla/widget/PlatformWidgetTypes.h"
#include "nsWindow.h"
#ifdef MOZ_X11
# include "mozilla/X11Util.h"
#endif
#ifdef MOZ_WAYLAND
# include "mozilla/layers/NativeLayerWayland.h"
#endif
#ifdef MOZ_LOGGING
# undef LOG
# define LOG(str, ...) \
MOZ_LOG(IsPopup() ? gWidgetPopupLog : gWidgetLog, \
mozilla::LogLevel::Debug, \
("[%p]: " str, mWidget.get(), ##__VA_ARGS__))
#endif /* MOZ_LOGGING */
namespace mozilla {
namespace widget {
GtkCompositorWidget::GtkCompositorWidget(
const GtkCompositorWidgetInitData& aInitData,
const layers::CompositorOptions& aOptions, RefPtr<nsWindow> aWindow)
: CompositorWidget(aOptions),
mWidget(std::move(aWindow)),
mClientSize(LayoutDeviceIntSize(aInitData.InitialClientSize()),
"GtkCompositorWidget::mClientSize") {
#if defined(MOZ_X11)
if (GdkIsX11Display()) {
mXWindow = (Window)aInitData.XWindow();
ConfigureX11Backend(mXWindow, aInitData.Shaped());
LOG("GtkCompositorWidget::GtkCompositorWidget() [%p] mXWindow %p "
"mIsRenderingSuspended %d\n",
(void*)mWidget.get(), (void*)mXWindow, !!mIsRenderingSuspended);
}
#endif
#if defined(MOZ_WAYLAND)
if (GdkIsWaylandDisplay()) {
ConfigureWaylandBackend();
LOG("GtkCompositorWidget::GtkCompositorWidget() [%p] mWidget %p "
"mIsRenderingSuspended %d\n",
(void*)mWidget.get(), (void*)mWidget, !!mIsRenderingSuspended);
}
#endif
}
GtkCompositorWidget::~GtkCompositorWidget() {
LOG("GtkCompositorWidget::~GtkCompositorWidget [%p]\n", (void*)mWidget.get());
DisableRendering();
RefPtr<nsIWidget> widget = mWidget.forget();
NS_ReleaseOnMainThread("GtkCompositorWidget::mWidget", widget.forget());
}
already_AddRefed<gfx::DrawTarget> GtkCompositorWidget::StartRemoteDrawing() {
return nullptr;
}
void GtkCompositorWidget::EndRemoteDrawing() {}
already_AddRefed<gfx::DrawTarget>
GtkCompositorWidget::StartRemoteDrawingInRegion(
const LayoutDeviceIntRegion& aInvalidRegion,
layers::BufferMode* aBufferMode) {
return mProvider.StartRemoteDrawingInRegion(aInvalidRegion, aBufferMode);
}
void GtkCompositorWidget::EndRemoteDrawingInRegion(
gfx::DrawTarget* aDrawTarget, const LayoutDeviceIntRegion& aInvalidRegion) {
mProvider.EndRemoteDrawingInRegion(aDrawTarget, aInvalidRegion);
}
nsIWidget* GtkCompositorWidget::RealWidget() { return mWidget; }
void GtkCompositorWidget::NotifyClientSizeChanged(
const LayoutDeviceIntSize& aClientSize) {
LOG("GtkCompositorWidget::NotifyClientSizeChanged() to %d x %d",
aClientSize.width, aClientSize.height);
auto size = mClientSize.Lock();
*size = aClientSize;
}
LayoutDeviceIntSize GtkCompositorWidget::GetClientSize() {
auto size = mClientSize.Lock();
return *size;
}
void GtkCompositorWidget::RemoteLayoutSizeUpdated(
const LayoutDeviceRect& aSize) {
if (!mWidget || !mWidget->IsWaitingForCompositorResume()) {
return;
}
LOG("GtkCompositorWidget::RemoteLayoutSizeUpdated() %d x %d",
(int)aSize.width, (int)aSize.height);
// We're waiting for layout to match widget size.
auto clientSize = mClientSize.Lock();
if (clientSize->width != (int)aSize.width ||
clientSize->height != (int)aSize.height) {
LOG("quit, client size doesn't match (%d x %d)", clientSize->width,
clientSize->height);
return;
}
mWidget->ResumeCompositorFromCompositorThread();
}
EGLNativeWindowType GtkCompositorWidget::GetEGLNativeWindow() {
EGLNativeWindowType window = nullptr;
if (mWidget) {
window = (EGLNativeWindowType)mWidget->GetNativeData(NS_NATIVE_EGL_WINDOW);
}
#if defined(MOZ_X11)
if (mXWindow) {
window = (EGLNativeWindowType)mXWindow;
}
#endif
LOG("GtkCompositorWidget::GetEGLNativeWindow [%p] window %p\n", mWidget.get(),
window);
return window;
}
bool GtkCompositorWidget::SetEGLNativeWindowSize(
const LayoutDeviceIntSize& aEGLWindowSize) {
#if defined(MOZ_WAYLAND)
if (mWidget) {
return mWidget->SetEGLNativeWindowSize(aEGLWindowSize);
}
#endif
return true;
}
LayoutDeviceIntRegion GtkCompositorWidget::GetTransparentRegion() {
// We need to clear target buffer alpha values of popup windows as
// SW-WR paints with alpha blending (see Bug 1674473).
if (!mWidget || mWidget->IsPopup()) {
return LayoutDeviceIntRect(LayoutDeviceIntPoint(0, 0), GetClientSize());
}
// Clear background of titlebar area to render titlebar
// transparent corners correctly.
return mWidget->GetTitlebarRect();
}
#ifdef MOZ_WAYLAND
RefPtr<mozilla::layers::NativeLayerRoot>
GtkCompositorWidget::GetNativeLayerRoot() {
if (gfx::gfxVars::UseWebRenderCompositor()) {
if (!mNativeLayerRoot) {
MOZ_ASSERT(mWidget && mWidget->GetMozContainer());
mNativeLayerRoot = NativeLayerRootWayland::CreateForMozContainer(
mWidget->GetMozContainer());
}
return mNativeLayerRoot;
}
return nullptr;
}
#endif
void GtkCompositorWidget::DisableRendering() {
LOG("GtkCompositorWidget::DisableRendering [%p]\n", (void*)mWidget.get());
mIsRenderingSuspended = true;
mProvider.CleanupResources();
#if defined(MOZ_X11)
mXWindow = {};
#endif
}
#if defined(MOZ_WAYLAND)
bool GtkCompositorWidget::ConfigureWaylandBackend() {
mProvider.Initialize(this);
return true;
}
#endif
#if defined(MOZ_X11)
bool GtkCompositorWidget::ConfigureX11Backend(Window aXWindow, bool aShaped) {
mXWindow = aXWindow;
// We don't have X window yet.
if (!mXWindow) {
mIsRenderingSuspended = true;
return false;
}
// Grab the window's visual and depth
XWindowAttributes windowAttrs;
if (!XGetWindowAttributes(DefaultXDisplay(), mXWindow, &windowAttrs)) {
NS_WARNING("GtkCompositorWidget(): XGetWindowAttributes() failed!");
return false;
}
Visual* visual = windowAttrs.visual;
int depth = windowAttrs.depth;
// Initialize the window surface provider
mProvider.Initialize(mXWindow, visual, depth, aShaped);
return true;
}
#endif
void GtkCompositorWidget::EnableRendering(const uintptr_t aXWindow,
const bool aShaped) {
LOG("GtkCompositorWidget::EnableRendering() [%p]\n", mWidget.get());
if (!mIsRenderingSuspended) {
LOG(" quit, mIsRenderingSuspended = false\n");
return;
}
#if defined(MOZ_WAYLAND)
if (GdkIsWaylandDisplay()) {
LOG(" configure widget %p\n", mWidget.get());
if (!ConfigureWaylandBackend()) {
return;
}
}
#endif
#if defined(MOZ_X11)
if (GdkIsX11Display()) {
LOG(" configure XWindow %p shaped %d\n", (void*)aXWindow, aShaped);
if (!ConfigureX11Backend((Window)aXWindow, aShaped)) {
return;
}
}
#endif
mIsRenderingSuspended = false;
}
#ifdef MOZ_LOGGING
bool GtkCompositorWidget::IsPopup() {
return mWidget ? mWidget->IsPopup() : false;
}
#endif
} // namespace widget
} // namespace mozilla
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