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firefox/mozilla-1460605-2.patch

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Enable Wayland backend
2018-05-25 10:50:35 +00:00
# HG changeset patch
# User Martin Stransky <stransky@redhat.com>
# Date 1525961060 -7200
# Node ID acaaa40ebdf142fda38d5661f7631f029a2406c6
# Parent 5543294befe9494593370f33c40ba50c8239e0c6
Bug 1460605 - Provide NS_NATIVE_EGL_WINDOW to get a native EGL window on Wayland, r=jhorak
Original patch author is Takuro Ashie <ashie@clear-code.com>
Provide ability to create native EGL window and provide it under NS_NATIVE_EGL_WINDOW
to GL code. The native EGL window is owned/managed by mozcontainer.
MozReview-Commit-ID: 4d0Kk6DRSaD
diff --git a/config/system-headers.mozbuild b/config/system-headers.mozbuild
--- a/config/system-headers.mozbuild
+++ b/config/system-headers.mozbuild
@@ -1334,8 +1334,14 @@ if CONFIG['MOZ_SYSTEM_ICU']:
'unicode/unistr.h',
'unicode/unorm.h',
'unicode/unum.h',
'unicode/upluralrules.h',
'unicode/ureldatefmt.h',
'unicode/ustring.h',
'unicode/utypes.h',
]
+
+if CONFIG['MOZ_WAYLAND']:
+ system_headers += [
+ 'wayland-client.h',
+ 'wayland-egl.h',
+ ]
diff --git a/widget/gtk/mozcontainer.cpp b/widget/gtk/mozcontainer.cpp
--- a/widget/gtk/mozcontainer.cpp
+++ b/widget/gtk/mozcontainer.cpp
@@ -5,16 +5,17 @@
* 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 "mozcontainer.h"
#include <gtk/gtk.h>
#ifdef MOZ_WAYLAND
#include <gdk/gdkx.h>
#include <gdk/gdkwayland.h>
+#include <wayland-egl.h>
#endif
#include <stdio.h>
#include <dlfcn.h>
#ifdef ACCESSIBILITY
#include <atk/atk.h>
#include "maiRedundantObjectFactory.h"
#endif
@@ -202,16 +203,21 @@ void
moz_container_init (MozContainer *container)
{
gtk_widget_set_can_focus(GTK_WIDGET(container), TRUE);
gtk_container_set_resize_mode(GTK_CONTAINER(container), GTK_RESIZE_IMMEDIATE);
gtk_widget_set_redraw_on_allocate(GTK_WIDGET(container), FALSE);
#if defined(MOZ_WAYLAND)
{
+ container->subcompositor = nullptr;
+ container->surface = nullptr;
+ container->subsurface = nullptr;
+ container->eglwindow = nullptr;
+
GdkDisplay *gdk_display = gtk_widget_get_display(GTK_WIDGET(container));
if (GDK_IS_WAYLAND_DISPLAY (gdk_display)) {
// Available as of GTK 3.8+
static auto sGdkWaylandDisplayGetWlDisplay =
(wl_display *(*)(GdkDisplay *))
dlsym(RTLD_DEFAULT, "gdk_wayland_display_get_wl_display");
wl_display* display = sGdkWaylandDisplayGetWlDisplay(gdk_display);
@@ -284,16 +290,17 @@ moz_container_map_surface(MozContainer *
wl_region_destroy(region);
}
return true;
}
static void
moz_container_unmap_surface(MozContainer *container)
{
+ g_clear_pointer(&container->eglwindow, wl_egl_window_destroy);
g_clear_pointer(&container->subsurface, wl_subsurface_destroy);
g_clear_pointer(&container->surface, wl_surface_destroy);
}
#endif
void
moz_container_map (GtkWidget *widget)
@@ -429,16 +436,21 @@ moz_container_size_allocate (GtkWidget
// We need to position our subsurface according to GdkWindow
// when offset changes (GdkWindow is maximized for instance).
// see gtk-clutter-embed.c for reference.
if (container->subsurface) {
gint x, y;
gdk_window_get_position(gtk_widget_get_window(widget), &x, &y);
wl_subsurface_set_position(container->subsurface, x, y);
}
+ if (container->eglwindow) {
+ wl_egl_window_resize(container->eglwindow,
+ allocation->width, allocation->height,
+ 0, 0);
+ }
#endif
}
void
moz_container_remove (GtkContainer *container, GtkWidget *child_widget)
{
MozContainerChild *child;
MozContainer *moz_container;
@@ -554,9 +566,32 @@ moz_container_get_wl_surface(MozContaine
if (!gdk_window_is_visible(window))
return nullptr;
moz_container_map_surface(container);
}
return container->surface;
}
+
+struct wl_egl_window *
+moz_container_get_wl_egl_window(MozContainer *container)
+{
+ if (!container->eglwindow) {
+ struct wl_surface *wlsurf = moz_container_get_wl_surface(container);
+ if (!wlsurf)
+ return nullptr;
+
+ GdkWindow *window = gtk_widget_get_window(GTK_WIDGET(container));
+ container->eglwindow
+ = wl_egl_window_create(wlsurf,
+ gdk_window_get_width(window),
+ gdk_window_get_height(window));
+ }
+ return container->eglwindow;
+}
+
+gboolean
+moz_container_has_wl_egl_window(MozContainer *container)
+{
+ return container->eglwindow ? true : false;
+}
#endif
diff --git a/widget/gtk/mozcontainer.h b/widget/gtk/mozcontainer.h
--- a/widget/gtk/mozcontainer.h
+++ b/widget/gtk/mozcontainer.h
@@ -67,16 +67,17 @@ struct _MozContainer
{
GtkContainer container;
GList *children;
#ifdef MOZ_WAYLAND
struct wl_subcompositor *subcompositor;
struct wl_surface *surface;
struct wl_subsurface *subsurface;
+ struct wl_egl_window *eglwindow;
#endif
};
struct _MozContainerClass
{
GtkContainerClass parent_class;
};
@@ -90,11 +91,13 @@ void moz_container_move (
GtkWidget *child_widget,
gint x,
gint y,
gint width,
gint height);
#ifdef MOZ_WAYLAND
struct wl_surface* moz_container_get_wl_surface(MozContainer *container);
+struct wl_egl_window* moz_container_get_wl_egl_window(MozContainer *container);
+gboolean moz_container_has_wl_egl_window(MozContainer *container);
#endif
#endif /* __MOZ_CONTAINER_H__ */
diff --git a/widget/gtk/mozwayland/mozwayland.c b/widget/gtk/mozwayland/mozwayland.c
--- a/widget/gtk/mozwayland/mozwayland.c
+++ b/widget/gtk/mozwayland/mozwayland.c
@@ -266,8 +266,26 @@ wl_display_read_events(struct wl_display
return -1;
}
MOZ_EXPORT void
wl_log_set_handler_client(wl_log_func_t handler)
{
}
+MOZ_EXPORT struct wl_egl_window *
+wl_egl_window_create(struct wl_surface *surface,
+ int width, int height)
+{
+ return NULL;
+}
+
+MOZ_EXPORT void
+wl_egl_window_destroy(struct wl_egl_window *egl_window)
+{
+}
+
+MOZ_EXPORT void
+wl_egl_window_resize(struct wl_egl_window *egl_window,
+ int width, int height,
+ int dx, int dy)
+{
+}
diff --git a/widget/gtk/nsWindow.cpp b/widget/gtk/nsWindow.cpp
--- a/widget/gtk/nsWindow.cpp
+++ b/widget/gtk/nsWindow.cpp
@@ -1734,16 +1734,25 @@ nsWindow::GetNativeData(uint32_t aDataTy
return mIMContext.get();
}
case NS_NATIVE_OPENGL_CONTEXT:
return nullptr;
#ifdef MOZ_X11
case NS_NATIVE_COMPOSITOR_DISPLAY:
return gfxPlatformGtk::GetPlatform()->GetCompositorDisplay();
#endif // MOZ_X11
+ case NS_NATIVE_EGL_WINDOW: {
+ if (mIsX11Display)
+ return mGdkWindow ? (void*)GDK_WINDOW_XID(mGdkWindow) : nullptr;
+#ifdef MOZ_WAYLAND
+ if (mContainer)
+ return moz_container_get_wl_egl_window(mContainer);
+#endif
+ return nullptr;
+ }
default:
NS_WARNING("nsWindow::GetNativeData called with bad value");
return nullptr;
}
}
nsresult
nsWindow::SetTitle(const nsAString& aTitle)
@@ -4303,16 +4312,26 @@ nsWindow::NativeShow(bool aAction)
else if (mContainer) {
gtk_widget_show(GTK_WIDGET(mContainer));
}
else if (mGdkWindow) {
gdk_window_show_unraised(mGdkWindow);
}
}
else {
+#ifdef MOZ_WAYLAND
+ if (mContainer && moz_container_has_wl_egl_window(mContainer)) {
+ // Because wl_egl_window is destroyed on moz_container_unmap(),
+ // the current compositor cannot use it anymore. To avoid crash,
+ // destroy the compositor & recreate a new compositor on next
+ // expose event.
+ DestroyLayerManager();
+ }
+#endif
+
if (mIsTopLevel) {
// Workaround window freezes on GTK versions before 3.21.2 by
// ensuring that configure events get dispatched to windows before
// they are unmapped. See bug 1225044.
if (gtk_check_version(3, 21, 2) != nullptr && mPendingConfigures > 0) {
GtkAllocation allocation;
gtk_widget_get_allocation(GTK_WIDGET(mShell), &allocation);
diff --git a/widget/nsIWidget.h b/widget/nsIWidget.h
--- a/widget/nsIWidget.h
+++ b/widget/nsIWidget.h
@@ -138,16 +138,17 @@ typedef void* nsNativeWidget;
#define NS_NATIVE_CHILD_OF_SHAREABLE_WINDOW 105
#endif
#if defined(MOZ_WIDGET_GTK)
// set/get nsPluginNativeWindowGtk, e10s specific
#define NS_NATIVE_PLUGIN_OBJECT_PTR 104
#ifdef MOZ_X11
#define NS_NATIVE_COMPOSITOR_DISPLAY 105
#endif // MOZ_X11
+#define NS_NATIVE_EGL_WINDOW 106
#endif
#ifdef MOZ_WIDGET_ANDROID
#define NS_JAVA_SURFACE 100
#define NS_PRESENTATION_WINDOW 101
#define NS_PRESENTATION_SURFACE 102
#endif
// Must be kept in sync with xpcom/rust/xpcom/src/interfaces/nonidl.rs
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