mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-29 11:40:38 +00:00
556 lines
16 KiB
C
556 lines
16 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 <linux/input.h>
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#include "wayland_event_source.h"
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#include "../gstgl_fwd.h"
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#include <gst/gl/gstglcontext.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_window_handle (GstGLWindow *
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window);
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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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static void gst_gl_window_wayland_egl_send_message_async (GstGLWindow * window,
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GstGLWindowCB callback, gpointer data, GDestroyNotify destroy);
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static void gst_gl_window_wayland_egl_close (GstGLWindow * window);
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static gboolean gst_gl_window_wayland_egl_open (GstGLWindow * window,
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GError ** error);
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static guintptr gst_gl_window_wayland_egl_get_display (GstGLWindow * window);
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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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struct wl_buffer *buffer;
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struct wl_cursor_image *image = NULL;
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window_egl->display.serial = serial;
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if (window_egl->display.default_cursor) {
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image = window_egl->display.default_cursor->images[0];
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buffer = wl_cursor_image_get_buffer (image);
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wl_pointer_set_cursor (pointer, serial,
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window_egl->display.cursor_surface, image->hotspot_x, image->hotspot_y);
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wl_surface_attach (window_egl->display.cursor_surface, buffer, 0, 0);
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wl_surface_damage (window_egl->display.cursor_surface, 0, 0,
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image->width, image->height);
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wl_surface_commit (window_egl->display.cursor_surface);
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}
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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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GstGLWindowWaylandEGL *window_egl = data;
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window_egl->display.pointer_x = wl_fixed_to_double (sx_w);
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window_egl->display.pointer_y = wl_fixed_to_double (sy_w);
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}
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enum wl_edges
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{
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WL_EDGE_NONE = 0,
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WL_EDGE_TOP = 1,
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WL_EDGE_BOTTOM = 2,
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WL_EDGE_LEFT = 4,
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WL_EDGE_RIGHT = 8,
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};
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static guint
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_get_closest_pointer_corner (GstGLWindowWaylandEGL * window_egl)
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{
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guint edges = 0;
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gdouble win_width, win_height;
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gdouble p_x, p_y;
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win_width = (gdouble) window_egl->window.window_width;
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win_height = (gdouble) window_egl->window.window_height;
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p_x = window_egl->display.pointer_x;
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p_y = window_egl->display.pointer_y;
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if (win_width == 0.0 || win_height == 0.0)
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return WL_EDGE_NONE;
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edges |= win_width / 2.0 - p_x < 0.0 ? WL_EDGE_RIGHT : WL_EDGE_LEFT;
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edges |= win_height / 2.0 - p_y < 0.0 ? WL_EDGE_BOTTOM : WL_EDGE_TOP;
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return edges;
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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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guint edges = _get_closest_pointer_corner (window_egl);
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window_egl->display.serial = serial;
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if (button == BTN_LEFT && state_w == WL_POINTER_BUTTON_STATE_PRESSED)
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wl_shell_surface_move (window_egl->window.shell_surface,
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window_egl->display.seat, serial);
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if (button == BTN_RIGHT && state_w == WL_POINTER_BUTTON_STATE_PRESSED)
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wl_shell_surface_resize (window_egl->window.shell_surface,
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window_egl->display.seat, serial, edges);
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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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GstGLWindowWaylandEGL *window_egl = data;
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GST_TRACE_OBJECT (window_egl, "ping received serial %u", serial);
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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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GST_DEBUG ("configure event on surface %p, %ix%i", shell_surface, width,
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height);
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window_resize (window_egl, 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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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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wl_shell_surface_set_title (window_egl->window.shell_surface,
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"OpenGL Renderer");
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wl_shell_surface_set_toplevel (window_egl->window.shell_surface);
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return 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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g_source_destroy (window_egl->wl_source);
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g_source_unref (window_egl->wl_source);
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window_egl->wl_source = NULL;
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g_main_loop_unref (window_egl->loop);
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window_egl->loop = NULL, g_main_context_unref (window_egl->main_context);
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window_egl->main_context = NULL;
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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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GstGLWindowWaylandEGL *window_egl = data;
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struct display *d = &window_egl->display;
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GST_TRACE_OBJECT (window_egl, "registry_handle_global with registry %p, "
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"interface %s, version %u", registry, interface, version);
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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, window_egl);
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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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GstGLWindowClass *window_class = (GstGLWindowClass *) klass;
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window_class->get_window_handle =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_get_window_handle);
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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_async =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_send_message_async);
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window_class->close = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_close);
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window_class->open = GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_open);
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window_class->get_display =
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GST_DEBUG_FUNCPTR (gst_gl_window_wayland_egl_get_display);
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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 (void)
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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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return window;
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}
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static void
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gst_gl_window_wayland_egl_close (GstGLWindow * window)
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{
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GstGLWindowWaylandEGL *window_egl;
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window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
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destroy_surface (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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}
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static gboolean
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gst_gl_window_wayland_egl_open (GstGLWindow * window, GError ** error)
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{
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GstGLWindowWaylandEGL *window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
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window_egl->display.display = wl_display_connect (NULL);
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if (!window_egl->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_egl->display.registry =
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wl_display_get_registry (window_egl->display.display);
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wl_registry_add_listener (window_egl->display.registry, ®istry_listener,
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window_egl);
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wl_display_dispatch (window_egl->display.display);
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create_surface (window_egl);
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window_egl->display.cursor_surface =
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wl_compositor_create_surface (window_egl->display.compositor);
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window_egl->wl_source =
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wayland_event_source_new (window_egl->display.display);
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window_egl->main_context = g_main_context_new ();
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window_egl->loop = g_main_loop_new (window_egl->main_context, FALSE);
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g_source_attach (window_egl->wl_source, window_egl->main_context);
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return TRUE;
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error:
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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_run (GstGLWindow * window)
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{
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GstGLWindowWaylandEGL *window_egl;
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window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
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GST_LOG ("starting main loop");
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g_main_loop_run (window_egl->loop);
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GST_LOG ("exiting main loop");
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}
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static void
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gst_gl_window_wayland_egl_quit (GstGLWindow * window)
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{
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GstGLWindowWaylandEGL *window_egl;
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window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
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GST_LOG ("sending quit");
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g_main_loop_quit (window_egl->loop);
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GST_LOG ("quit sent");
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}
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typedef struct _GstGLMessage
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{
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GstGLWindowCB callback;
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gpointer data;
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GDestroyNotify destroy;
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} GstGLMessage;
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static gboolean
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_run_message (GstGLMessage * message)
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{
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if (message->callback)
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message->callback (message->data);
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if (message->destroy)
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message->destroy (message->data);
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g_slice_free (GstGLMessage, message);
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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_send_message_async (GstGLWindow * window,
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GstGLWindowCB callback, gpointer data, GDestroyNotify destroy)
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{
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GstGLWindowWaylandEGL *window_egl;
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|
GstGLMessage *message;
|
|
|
|
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
|
|
message = g_slice_new (GstGLMessage);
|
|
|
|
message->callback = callback;
|
|
message->data = data;
|
|
message->destroy = destroy;
|
|
|
|
g_main_context_invoke (window_egl->main_context, (GSourceFunc) _run_message,
|
|
message);
|
|
}
|
|
|
|
static guintptr
|
|
gst_gl_window_wayland_egl_get_window_handle (GstGLWindow * window)
|
|
{
|
|
return (guintptr) GST_GL_WINDOW_WAYLAND_EGL (window)->window.native;
|
|
}
|
|
|
|
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)
|
|
{
|
|
GstGLWindow *window = GST_GL_WINDOW (window_egl);
|
|
|
|
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);
|
|
}
|
|
|
|
if (window->resize)
|
|
window->resize (window->resize_data, width, height);
|
|
|
|
window_egl->window.window_width = width;
|
|
window_egl->window.window_height = height;
|
|
}
|
|
|
|
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);
|
|
GstGLContext *context = gst_gl_window_get_context (window);
|
|
GstGLContextClass *context_class = GST_GL_CONTEXT_GET_CLASS (context);
|
|
|
|
if (window->draw)
|
|
window->draw (window->draw_data);
|
|
|
|
context_class->swap_buffers (context);
|
|
|
|
gst_object_unref (context);
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static guintptr
|
|
gst_gl_window_wayland_egl_get_display (GstGLWindow * window)
|
|
{
|
|
GstGLWindowWaylandEGL *window_egl;
|
|
|
|
window_egl = GST_GL_WINDOW_WAYLAND_EGL (window);
|
|
|
|
return (guintptr) window_egl->display.display;
|
|
}
|