mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-09-08 13:18:52 +00:00
688 lines
20 KiB
C
688 lines
20 KiB
C
/*
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* GStreamer
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* Copyright (C) 2008 Julien Isorce <julien.isorce@gmail.com>
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* Copyright (C) 2012 Matthew Waters <ystreet00@gmail.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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#define GLIB_DISABLE_DEPRECATION_WARNINGS
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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 "wayland_event_source.h"
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#include "gstglwindow_wayland_egl.h"
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const gchar *WlEGLErrorString ();
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#define GST_CAT_DEFAULT gst_gl_window_debug
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#define gst_gl_window_wayland_egl_parent_class parent_class
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G_DEFINE_TYPE (GstGLWindowWaylandEGL, gst_gl_window_wayland_egl,
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GST_GL_TYPE_WINDOW);
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static guintptr gst_gl_window_wayland_egl_get_gl_context (GstGLWindow * window);
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static gboolean gst_gl_window_wayland_egl_activate (GstGLWindow * window,
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gboolean activate);
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static void gst_gl_window_wayland_egl_set_window_handle (GstGLWindow * window,
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guintptr handle);
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static void gst_gl_window_wayland_egl_draw (GstGLWindow * window, guint width,
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guint height);
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static void gst_gl_window_wayland_egl_run (GstGLWindow * window);
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static void gst_gl_window_wayland_egl_quit (GstGLWindow * window,
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GstGLWindowCB callback, gpointer data);
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static void gst_gl_window_wayland_egl_send_message (GstGLWindow * window,
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GstGLWindowCB callback, gpointer data);
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static void gst_gl_window_wayland_egl_destroy_context (GstGLWindowWaylandEGL *
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window_egl);
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static gboolean gst_gl_window_wayland_egl_create_context (GstGLWindowWaylandEGL
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* window_egl, GstGLAPI gl_api, guintptr external_gl_context,
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GError ** error);
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GstGLAPI gst_gl_window_wayland_egl_get_gl_api (GstGLWindow * window);
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static void gst_gl_window_wayland_egl_finalize (GObject * object);
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static void
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pointer_handle_enter (void *data, struct wl_pointer *pointer, uint32_t serial,
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struct wl_surface *surface, wl_fixed_t sx_w, wl_fixed_t sy_w)
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{
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GstGLWindowWaylandEGL *window_egl = data;
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window_egl->display.serial = serial;
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}
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static void
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pointer_handle_leave (void *data, struct wl_pointer *pointer, uint32_t serial,
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struct wl_surface *surface)
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{
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GstGLWindowWaylandEGL *window_egl = data;
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window_egl->display.serial = serial;
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}
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static void
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pointer_handle_motion (void *data, struct wl_pointer *pointer, uint32_t time,
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wl_fixed_t sx_w, wl_fixed_t sy_w)
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{
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}
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static void
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pointer_handle_button (void *data, struct wl_pointer *pointer, uint32_t serial,
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uint32_t time, uint32_t button, uint32_t state_w)
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{
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GstGLWindowWaylandEGL *window_egl = data;
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window_egl->display.serial = serial;
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}
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static void
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pointer_handle_axis (void *data, struct wl_pointer *pointer, uint32_t time,
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uint32_t axis, wl_fixed_t value)
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{
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}
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static const struct wl_pointer_listener pointer_listener = {
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pointer_handle_enter,
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pointer_handle_leave,
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pointer_handle_motion,
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pointer_handle_button,
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pointer_handle_axis,
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};
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static void
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seat_handle_capabilities (void *data, struct wl_seat *seat,
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enum wl_seat_capability caps)
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{
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GstGLWindowWaylandEGL *window_egl = data;
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struct display *display = &window_egl->display;
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if ((caps & WL_SEAT_CAPABILITY_POINTER) && !display->pointer) {
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display->pointer = wl_seat_get_pointer (seat);
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wl_pointer_set_user_data (display->pointer, window_egl);
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wl_pointer_add_listener (display->pointer, &pointer_listener, window_egl);
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} else if (!(caps & WL_SEAT_CAPABILITY_POINTER) && display->pointer) {
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wl_pointer_destroy (display->pointer);
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display->pointer = NULL;
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}
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#if 0
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if ((caps & WL_SEAT_CAPABILITY_KEYBOARD) && !input->keyboard) {
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input->keyboard = wl_seat_get_keyboard (seat);
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wl_keyboard_set_user_data (input->keyboard, input);
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wl_keyboard_add_listener (input->keyboard, &keyboard_listener, input);
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} else if (!(caps & WL_SEAT_CAPABILITY_KEYBOARD) && input->keyboard) {
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wl_keyboard_destroy (input->keyboard);
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input->keyboard = NULL;
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}
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#endif
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}
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static const struct wl_seat_listener seat_listener = {
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seat_handle_capabilities,
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};
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static void
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handle_ping (void *data, struct wl_shell_surface *shell_surface,
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uint32_t serial)
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{
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wl_shell_surface_pong (shell_surface, serial);
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}
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static void window_resize (GstGLWindowWaylandEGL * window_egl, guint width,
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guint height);
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static void
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handle_configure (void *data, struct wl_shell_surface *shell_surface,
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uint32_t edges, int32_t width, int32_t height)
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{
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GstGLWindowWaylandEGL *window_egl = data;
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GstGLWindow *window = GST_GL_WINDOW (window_egl);
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GST_DEBUG ("configure event %ix%i", width, height);
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window_resize (window_egl, width, height);
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if (window->resize)
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window->resize (window->resize_data, width, height);
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}
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static void
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handle_popup_done (void *data, struct wl_shell_surface *shell_surface)
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{
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}
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static const struct wl_shell_surface_listener shell_surface_listener = {
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handle_ping,
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handle_configure,
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handle_popup_done
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};
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static gboolean
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create_surface (GstGLWindowWaylandEGL * window_egl)
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{
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EGLBoolean ret;
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window_egl->window.surface =
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wl_compositor_create_surface (window_egl->display.compositor);
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window_egl->window.shell_surface =
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wl_shell_get_shell_surface (window_egl->display.shell,
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window_egl->window.surface);
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wl_shell_surface_add_listener (window_egl->window.shell_surface,
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&shell_surface_listener, window_egl);
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if (window_egl->window.window_width <= 0)
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window_egl->window.window_width = 320;
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if (window_egl->window.window_height <= 0)
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window_egl->window.window_height = 240;
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window_egl->window.native =
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wl_egl_window_create (window_egl->window.surface,
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window_egl->window.window_width, window_egl->window.window_height);
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window_egl->egl_surface =
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eglCreateWindowSurface (window_egl->egl_display, window_egl->egl_config,
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window_egl->window.native, NULL);
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wl_shell_surface_set_title (window_egl->window.shell_surface,
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"OpenGL Renderer");
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ret =
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eglMakeCurrent (window_egl->egl_display, window_egl->egl_surface,
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window_egl->egl_surface, window_egl->egl_context);
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wl_shell_surface_set_toplevel (window_egl->window.shell_surface);
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wl_shell_surface_set_fullscreen (window_egl->window.shell_surface,
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WL_SHELL_SURFACE_FULLSCREEN_METHOD_SCALE, 0, NULL);
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return ret == EGL_TRUE;
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}
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static void
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destroy_surface (GstGLWindowWaylandEGL * window_egl)
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{
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if (window_egl->window.native)
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wl_egl_window_destroy (window_egl->window.native);
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if (window_egl->window.shell_surface)
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wl_shell_surface_destroy (window_egl->window.shell_surface);
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if (window_egl->window.surface)
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wl_surface_destroy (window_egl->window.surface);
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if (window_egl->window.callback)
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wl_callback_destroy (window_egl->window.callback);
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}
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static void
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registry_handle_global (void *data, struct wl_registry *registry,
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uint32_t name, const char *interface, uint32_t version)
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{
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struct display *d = data;
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if (g_strcmp0 (interface, "wl_compositor") == 0) {
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d->compositor =
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wl_registry_bind (registry, name, &wl_compositor_interface, 1);
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} else if (g_strcmp0 (interface, "wl_shell") == 0) {
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d->shell = wl_registry_bind (registry, name, &wl_shell_interface, 1);
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} else if (g_strcmp0 (interface, "wl_seat") == 0) {
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d->seat = wl_registry_bind (registry, name, &wl_seat_interface, 1);
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wl_seat_add_listener (d->seat, &seat_listener, d);
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} else if (g_strcmp0 (interface, "wl_shm") == 0) {
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d->shm = wl_registry_bind (registry, name, &wl_shm_interface, 1);
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d->cursor_theme = wl_cursor_theme_load (NULL, 32, d->shm);
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d->default_cursor =
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wl_cursor_theme_get_cursor (d->cursor_theme, "left_ptr");
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}
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}
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static const struct wl_registry_listener registry_listener = {
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registry_handle_global
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};
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static void
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gst_gl_window_wayland_egl_class_init (GstGLWindowWaylandEGLClass * klass)
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{
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GObjectClass *object_class = (GObjectClass *) klass;
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GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
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window_class->get_gl_context =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_get_gl_context);
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window_class->activate =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_activate);
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window_class->set_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_set_window_handle);
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window_class->draw_unlocked =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_draw);
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window_class->draw = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_draw);
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window_class->run = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_run);
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window_class->quit = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_quit);
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window_class->send_message =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_send_message);
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window_class->get_gl_api =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_get_gl_api);
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object_class->finalize = gst_gl_window_wayland_egl_finalize;
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}
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static void
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gst_gl_window_wayland_egl_init (GstGLWindowWaylandEGL * window)
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{
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}
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/* Must be called in the gl thread */
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GstGLWindowWaylandEGL *
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gst_gl_window_wayland_egl_new (GstGLAPI gl_api, guintptr external_gl_context,
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GError ** error)
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{
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GstGLWindowWaylandEGL *window;
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GST_DEBUG ("creating Wayland EGL window");
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window = g_object_new (GST_GL_TYPE_WINDOW_WAYLAND_EGL, NULL);
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gst_gl_window_set_need_lock (GST_GL_WINDOW (window), FALSE);
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window->display.display = wl_display_connect (NULL);
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if (!window->display.display) {
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g_set_error (error, GST_GL_WINDOW_ERROR,
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GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
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"Failed to connect to Wayland display server");
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goto error;
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}
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window->display.registry = wl_display_get_registry (window->display.display);
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wl_registry_add_listener (window->display.registry, ®istry_listener,
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&window->display);
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wl_display_dispatch (window->display.display);
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create_surface (window);
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window->display.cursor_surface =
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wl_compositor_create_surface (window->display.compositor);
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window->wl_source = wayland_event_source_new (window->display.display);
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window->main_context = g_main_context_new ();
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window->loop = g_main_loop_new (window->main_context, FALSE);
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g_source_attach (window->wl_source, window->main_context);
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gst_gl_window_wayland_egl_create_context (window, gl_api,
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external_gl_context, error);
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return window;
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error:
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{
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if (window)
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g_object_unref (window);
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return NULL;
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}
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}
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static void
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gst_gl_window_wayland_egl_finalize (GObject * object)
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{
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GstGLWindowWaylandEGL *window_egl;
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window_egl = GST_GL_WINDOW_WAYLAND_EGL (object);
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gst_gl_window_wayland_egl_destroy_context (window_egl);
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if (window_egl->display.cursor_surface)
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wl_surface_destroy (window_egl->display.cursor_surface);
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if (window_egl->display.cursor_theme)
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wl_cursor_theme_destroy (window_egl->display.cursor_theme);
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if (window_egl->display.shell)
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wl_shell_destroy (window_egl->display.shell);
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if (window_egl->display.compositor)
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wl_compositor_destroy (window_egl->display.compositor);
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if (window_egl->display.display) {
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wl_display_flush (window_egl->display.display);
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wl_display_disconnect (window_egl->display.display);
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}
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G_OBJECT_CLASS (parent_class)->finalize (object);
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}
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static gboolean
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gst_gl_window_wayland_egl_create_context (GstGLWindowWaylandEGL * window_egl,
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GstGLAPI gl_api, guintptr external_gl_context, GError ** error)
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{
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EGLint config_attrib[] = {
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EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
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EGL_RED_SIZE, 1,
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EGL_GREEN_SIZE, 1,
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EGL_BLUE_SIZE, 1,
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EGL_ALPHA_SIZE, 1,
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EGL_DEPTH_SIZE, 1,
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EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
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EGL_NONE
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};
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EGLint context_attrib[] = {
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EGL_CONTEXT_CLIENT_VERSION, 2,
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EGL_NONE
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};
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EGLint majorVersion;
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EGLint minorVersion;
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EGLint numConfigs;
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window_egl->egl_display =
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eglGetDisplay ((EGLNativeDisplayType) window_egl->display.display);
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if (eglInitialize (window_egl->egl_display, &majorVersion, &minorVersion))
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GST_DEBUG ("egl initialized: %d.%d", majorVersion, minorVersion);
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else {
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g_set_error (error, GST_GL_WINDOW_ERROR,
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GST_GL_WINDOW_ERROR_RESOURCE_UNAVAILABLE,
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"Failed to initialize egl: %s", WlEGLErrorString ());
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goto failure;
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}
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if (!eglBindAPI (EGL_OPENGL_ES_API)) {
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g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_FAILED,
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"Failed to bind OpenGL|ES API: %s", WlEGLErrorString ());
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goto failure;
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}
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if (eglChooseConfig (window_egl->egl_display, config_attrib,
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&window_egl->egl_config, 1, &numConfigs))
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GST_DEBUG ("config set: %ld, %ld", (gulong) window_egl->egl_config,
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(gulong) numConfigs);
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else {
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g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_WRONG_CONFIG,
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"Failed to set window configuration: %s", WlEGLErrorString ());
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goto failure;
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}
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GST_DEBUG ("about to create gl context");
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window_egl->egl_context =
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eglCreateContext (window_egl->egl_display, window_egl->egl_config,
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(EGLContext) external_gl_context, context_attrib);
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if (window_egl->egl_context != EGL_NO_CONTEXT)
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GST_DEBUG ("gl context created: %ld", (gulong) window_egl->egl_context);
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else {
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g_set_error (error, GST_GL_WINDOW_ERROR, GST_GL_WINDOW_ERROR_CREATE_CONTEXT,
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"Failed to create a OpenGL context: %s", WlEGLErrorString ());
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goto failure;
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}
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create_surface (window_egl);
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/* window_egl->egl_surface =
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eglCreateWindowSurface (window_egl->egl_display, window_egl->config,
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(EGLNativeWindowType) window_wayland_egl->internal_win_id, NULL);
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if (window_egl->egl_surface != EGL_NO_SURFACE)
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GST_DEBUG ("surface created: %ld", (gulong) window_egl->egl_surface);
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else {
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GST_DEBUG ("failed to create surface %ld, %ld, %ld, %s",
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(gulong) window_egl->egl_display, (gulong) window_egl->egl_surface,
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(gulong) window_egl->egl_display, WlEGLErrorString ());
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goto failure;
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}
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*/
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return TRUE;
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failure:
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return FALSE;
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}
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static void
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gst_gl_window_wayland_egl_destroy_context (GstGLWindowWaylandEGL * window_egl)
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{
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gst_gl_window_wayland_egl_activate (GST_GL_WINDOW (window_egl), FALSE);
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|
|
destroy_surface (window_egl);
|
|
|
|
if (window_egl->egl_context)
|
|
eglDestroyContext (window_egl->egl_display, window_egl->egl_context);
|
|
|
|
if (window_egl->egl_display) {
|
|
eglTerminate (window_egl->egl_display);
|
|
eglReleaseThread ();
|
|
}
|
|
}
|
|
|
|
static gboolean
|
|
gst_gl_window_wayland_egl_activate (GstGLWindow * window, gboolean activate)
|
|
{
|
|
gboolean result;
|
|
GstGLWindowWaylandEGL *window_egl;
|
|
|
|
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
|
|
|
|
GST_DEBUG ("activate:%s", activate ? "TRUE" : "FALSE");
|
|
|
|
if (activate)
|
|
result = eglMakeCurrent (window_egl->egl_display, window_egl->egl_surface,
|
|
window_egl->egl_surface, window_egl->egl_context);
|
|
else
|
|
result = eglMakeCurrent (window_egl->egl_display, EGL_NO_SURFACE,
|
|
EGL_NO_SURFACE, EGL_NO_CONTEXT);
|
|
|
|
return result;
|
|
}
|
|
|
|
static guintptr
|
|
gst_gl_window_wayland_egl_get_gl_context (GstGLWindow * window)
|
|
{
|
|
return (guintptr) GST_GL_WINDOW_WAYLAND_EGL (window)->egl_context;
|
|
}
|
|
|
|
GstGLAPI
|
|
gst_gl_window_wayland_egl_get_gl_api (GstGLWindow * window)
|
|
{
|
|
return GST_GL_API_GLES2;
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_wayland_egl_swap_buffers (GstGLWindow * window)
|
|
{
|
|
GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
|
|
|
|
eglSwapBuffers (window_egl->egl_display, window_egl->egl_surface);
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_wayland_egl_run (GstGLWindow * window)
|
|
{
|
|
GstGLWindowWaylandEGL *window_egl;
|
|
|
|
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
|
|
|
|
GST_LOG ("starting main loop");
|
|
g_main_loop_run (window_egl->loop);
|
|
GST_LOG ("exiting main loop");
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_wayland_egl_quit (GstGLWindow * window, GstGLWindowCB callback,
|
|
gpointer data)
|
|
{
|
|
GstGLWindowWaylandEGL *window_egl;
|
|
|
|
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
|
|
|
|
gst_gl_window_wayland_egl_send_message (window, callback, data);
|
|
|
|
GST_LOG ("sending quit");
|
|
|
|
g_main_loop_quit (window_egl->loop);
|
|
|
|
GST_LOG ("quit sent");
|
|
}
|
|
|
|
typedef struct _GstGLMessage
|
|
{
|
|
GMutex lock;
|
|
GCond cond;
|
|
gboolean fired;
|
|
|
|
GstGLWindowCB callback;
|
|
gpointer data;
|
|
} GstGLMessage;
|
|
|
|
static gboolean
|
|
_run_message (GstGLMessage * message)
|
|
{
|
|
g_mutex_lock (&message->lock);
|
|
|
|
if (message->callback)
|
|
message->callback (message->data);
|
|
|
|
message->fired = TRUE;
|
|
g_cond_signal (&message->cond);
|
|
g_mutex_unlock (&message->lock);
|
|
|
|
return FALSE;
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_wayland_egl_send_message (GstGLWindow * window,
|
|
GstGLWindowCB callback, gpointer data)
|
|
{
|
|
GstGLWindowWaylandEGL *window_egl;
|
|
GstGLMessage message;
|
|
|
|
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
|
|
message.callback = callback;
|
|
message.data = data;
|
|
message.fired = FALSE;
|
|
g_mutex_init (&message.lock);
|
|
g_cond_init (&message.cond);
|
|
|
|
g_mutex_lock (&message.lock);
|
|
|
|
g_main_context_invoke (window_egl->main_context, (GSourceFunc) _run_message,
|
|
&message);
|
|
|
|
while (!message.fired)
|
|
g_cond_wait (&message.cond, &message.lock);
|
|
g_mutex_unlock (&message.lock);
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_wayland_egl_set_window_handle (GstGLWindow * window,
|
|
guintptr handle)
|
|
{
|
|
}
|
|
|
|
static void
|
|
window_resize (GstGLWindowWaylandEGL * window_egl, guint width, guint height)
|
|
{
|
|
GST_DEBUG ("resizing window from %ux%u to %ux%u",
|
|
window_egl->window.window_width, window_egl->window.window_height, width,
|
|
height);
|
|
|
|
if (window_egl->window.native) {
|
|
wl_egl_window_resize (window_egl->window.native, width, height, 0, 0);
|
|
}
|
|
|
|
window_egl->window.window_width = width;
|
|
window_egl->window.window_height = height;
|
|
|
|
#if 0
|
|
wl_shell_surface_resize (window_egl->window.shell_surface,
|
|
window_egl->display.seat, window_egl->display.serial, 0);
|
|
#endif
|
|
}
|
|
|
|
struct draw
|
|
{
|
|
GstGLWindowWaylandEGL *window;
|
|
guint width, height;
|
|
};
|
|
|
|
static void
|
|
draw_cb (gpointer data)
|
|
{
|
|
struct draw *draw_data = data;
|
|
GstGLWindowWaylandEGL *window_egl = draw_data->window;
|
|
GstGLWindow *window = GST_GL_WINDOW (window_egl);
|
|
|
|
if (window_egl->window.window_width != draw_data->width
|
|
|| window_egl->window.window_height != draw_data->height) {
|
|
GST_DEBUG ("dimensions don't match, attempting resize");
|
|
#if 0
|
|
window_resize (window_egl, draw_data->width, draw_data->height);
|
|
#endif
|
|
}
|
|
|
|
if (window->draw)
|
|
window->draw (window->draw_data);
|
|
|
|
gst_gl_window_wayland_egl_swap_buffers (window);
|
|
}
|
|
|
|
static void
|
|
gst_gl_window_wayland_egl_draw (GstGLWindow * window, guint width, guint height)
|
|
{
|
|
struct draw draw_data;
|
|
|
|
draw_data.window = GST_GL_WINDOW_WAYLAND_EGL (window);
|
|
draw_data.width = width;
|
|
draw_data.height = height;
|
|
|
|
gst_gl_window_send_message (window, (GstGLWindowCB) draw_cb, &draw_data);
|
|
}
|
|
|
|
const gchar *
|
|
WlEGLErrorString ()
|
|
{
|
|
EGLint nErr = eglGetError ();
|
|
switch (nErr) {
|
|
case EGL_SUCCESS:
|
|
return "EGL_SUCCESS";
|
|
case EGL_BAD_DISPLAY:
|
|
return "EGL_BAD_DISPLAY";
|
|
case EGL_NOT_INITIALIZED:
|
|
return "EGL_NOT_INITIALIZED";
|
|
case EGL_BAD_ACCESS:
|
|
return "EGL_BAD_ACCESS";
|
|
case EGL_BAD_ALLOC:
|
|
return "EGL_BAD_ALLOC";
|
|
case EGL_BAD_ATTRIBUTE:
|
|
return "EGL_BAD_ATTRIBUTE";
|
|
case EGL_BAD_CONFIG:
|
|
return "EGL_BAD_CONFIG";
|
|
case EGL_BAD_CONTEXT:
|
|
return "EGL_BAD_CONTEXT";
|
|
case EGL_BAD_CURRENT_SURFACE:
|
|
return "EGL_BAD_CURRENT_SURFACE";
|
|
case EGL_BAD_MATCH:
|
|
return "EGL_BAD_MATCH";
|
|
case EGL_BAD_NATIVE_PIXMAP:
|
|
return "EGL_BAD_NATIVE_PIXMAP";
|
|
case EGL_BAD_NATIVE_WINDOW:
|
|
return "EGL_BAD_NATIVE_WINDOW";
|
|
case EGL_BAD_PARAMETER:
|
|
return "EGL_BAD_PARAMETER";
|
|
case EGL_BAD_SURFACE:
|
|
return "EGL_BAD_SURFACE";
|
|
default:
|
|
return "unknown";
|
|
}
|
|
}
|