static void
wayland_swap_buffers (ClutterStageWayland *stage_wayland)
{
ClutterBackend *backend = clutter_get_default_backend ();
ClutterBackendWayland *backend_wayland = CLUTTER_BACKEND_WAYLAND (backend);
ClutterStageWaylandWaylandBuffer *buffer;
buffer = stage_wayland->front_buffer;
stage_wayland->front_buffer = stage_wayland->back_buffer;
stage_wayland->back_buffer = buffer;
wayland_damage_buffer(stage_wayland->front_buffer);
wl_surface_attach (stage_wayland->wayland_surface,
stage_wayland->front_buffer->wayland_buffer,
/* 0,0 here is "relative to the old buffer," not absolute */
0, 0);
wl_surface_map_toplevel (stage_wayland->wayland_surface);
stage_wayland->pending_swaps++;
wl_display_frame_callback (backend_wayland->wayland_display,
wayland_frame_callback,
stage_wayland);
_cogl_swap_buffers_notify ();
}
static void
resizor_draw(struct resizor *resizor)
{
cairo_surface_t *surface;
cairo_t *cr;
struct rectangle allocation;
window_draw(resizor->window);
window_get_child_allocation(resizor->window, &allocation);
surface = window_get_surface(resizor->window);
cr = cairo_create(surface);
cairo_set_operator(cr, CAIRO_OPERATOR_SOURCE);
cairo_rectangle(cr,
allocation.x,
allocation.y,
allocation.width,
allocation.height);
cairo_set_source_rgba(cr, 0, 0, 0, 0.8);
cairo_fill(cr);
cairo_destroy(cr);
cairo_surface_destroy(surface);
window_flush(resizor->window);
if (fabs(resizor->height.previous - resizor->height.target) > 0.1) {
wl_display_frame_callback(display_get_display(resizor->display),
frame_callback, resizor);
}
}
static void
frame_callback(struct wl_surface *surface, void *data, uint32_t time)
{
struct gears *gears = data;
gears->angle = (GLfloat) (time % 8192) * 360 / 8192.0;
window_schedule_redraw(gears->window);
wl_display_frame_callback(display_get_display(gears->d),
window_get_wl_surface(gears->window),
frame_callback, gears);
}
static void
frame_callback(void *data, uint32_t time)
{
struct gears *gears = data;
gears->current = 1 - gears->current;
gears->angle = (GLfloat) (time % 8192) * 360 / 8192.0;
window_schedule_redraw(gears->window);
wl_display_frame_callback(display_get_display(gears->d),
frame_callback, gears);
}
void QWaylandDisplay::frameCallback(wl_display_frame_func_t func, struct wl_surface *surface, void *data)
{
wl_display_frame_callback(mDisplay, surface, func, data);
}
static struct gears *
gears_create(struct display *display)
{
const int width = 450, height = 500;
struct gears *gears;
int i;
gears = malloc(sizeof *gears);
memset(gears, 0, sizeof *gears);
gears->d = display;
gears->window = window_create(display, "Wayland Gears", width, height);
gears->display = display_get_egl_display(gears->d);
if (gears->display == NULL)
die("failed to create egl display\n");
eglBindAPI(EGL_OPENGL_API);
gears->context = eglCreateContext(gears->display,
NULL, EGL_NO_CONTEXT, NULL);
if (gears->context == NULL)
die("failed to create context\n");
if (!eglMakeCurrent(gears->display, NULL, NULL, gears->context))
die("faile to make context current\n");
glGenFramebuffers(1, &gears->fbo);
glBindFramebuffer(GL_FRAMEBUFFER_EXT, gears->fbo);
glGenRenderbuffers(2, gears->color_rbo);
glGenRenderbuffers(1, &gears->depth_rbo);
glBindRenderbuffer(GL_RENDERBUFFER_EXT, gears->depth_rbo);
glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER_EXT,
GL_DEPTH_ATTACHMENT_EXT,
GL_RENDERBUFFER_EXT,
gears->depth_rbo);
for (i = 0; i < 3; i++) {
gears->gear_list[i] = glGenLists(1);
glNewList(gears->gear_list[i], GL_COMPILE);
make_gear(&gear_templates[i]);
glEndList();
}
glEnable(GL_NORMALIZE);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 200.0);
glMatrixMode(GL_MODELVIEW);
glLightfv(GL_LIGHT0, GL_POSITION, light_pos);
glEnable(GL_CULL_FACE);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_DEPTH_TEST);
glClearColor(0, 0, 0, 0.92);
window_set_user_data(gears->window, gears);
window_set_resize_handler(gears->window, resize_handler);
window_set_keyboard_focus_handler(gears->window, keyboard_focus_handler);
window_set_redraw_handler(gears->window, redraw_handler);
draw_gears(gears);
wl_display_frame_callback(display_get_display(gears->d),
frame_callback, gears);
return gears;
}
