static void
dri2_x11_setup_swap_interval(_EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy = dri2_egl_display(disp);
int arbitrary_max_interval = 1000;
/* default behavior for no SwapBuffers support: no vblank syncing
* either.
*/
dri2_dpy->min_swap_interval = 0;
dri2_dpy->max_swap_interval = 0;
dri2_dpy->default_swap_interval = 0;
if (!dri2_dpy->swap_available)
return;
/* If we do have swapbuffers, then we can support pretty much any swap
* interval.
*/
dri2_setup_swap_interval(disp, arbitrary_max_interval);
}
static EGLBoolean
dri2_initialize_x11_dri2(_EGLDriver *drv, _EGLDisplay *disp)
{
struct dri2_egl_display *dri2_dpy;
drv->API.CreateWindowSurface = dri2_create_window_surface;
drv->API.CreatePixmapSurface = dri2_create_pixmap_surface;
drv->API.CreatePbufferSurface = dri2_create_pbuffer_surface;
drv->API.DestroySurface = dri2_destroy_surface;
drv->API.SwapBuffers = dri2_swap_buffers;
drv->API.CopyBuffers = dri2_copy_buffers;
drv->API.CreateImageKHR = dri2_x11_create_image_khr;
drv->API.SwapBuffersRegionNOK = dri2_swap_buffers_region;
drv->API.PostSubBufferNV = dri2_post_sub_buffer;
drv->API.SwapInterval = dri2_swap_interval;
dri2_dpy = calloc(1, sizeof *dri2_dpy);
if (!dri2_dpy)
return _eglError(EGL_BAD_ALLOC, "eglInitialize");
disp->DriverData = (void *) dri2_dpy;
if (disp->PlatformDisplay == NULL) {
dri2_dpy->conn = xcb_connect(0, 0);
} else {
dri2_dpy->conn = XGetXCBConnection((Display *) disp->PlatformDisplay);
}
if (xcb_connection_has_error(dri2_dpy->conn)) {
_eglLog(_EGL_WARNING, "DRI2: xcb_connect failed");
goto cleanup_dpy;
}
if (dri2_dpy->conn) {
if (!dri2_connect(dri2_dpy))
goto cleanup_conn;
}
if (!dri2_load_driver(disp))
goto cleanup_conn;
#ifdef O_CLOEXEC
dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR | O_CLOEXEC);
if (dri2_dpy->fd == -1 && errno == EINVAL)
#endif
{
dri2_dpy->fd = open(dri2_dpy->device_name, O_RDWR);
if (dri2_dpy->fd != -1)
fcntl(dri2_dpy->fd, F_SETFD, fcntl(dri2_dpy->fd, F_GETFD) |
FD_CLOEXEC);
}
if (dri2_dpy->fd == -1) {
_eglLog(_EGL_WARNING,
"DRI2: could not open %s (%s)", dri2_dpy->device_name,
strerror(errno));
goto cleanup_driver;
}
if (dri2_dpy->conn) {
if (!dri2_authenticate(disp))
goto cleanup_fd;
}
if (dri2_dpy->dri2_minor >= 1) {
dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
dri2_dpy->dri2_loader_extension.base.version = 3;
dri2_dpy->dri2_loader_extension.getBuffers = dri2_get_buffers;
dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_flush_front_buffer;
dri2_dpy->dri2_loader_extension.getBuffersWithFormat =
dri2_get_buffers_with_format;
} else {
dri2_dpy->dri2_loader_extension.base.name = __DRI_DRI2_LOADER;
dri2_dpy->dri2_loader_extension.base.version = 2;
dri2_dpy->dri2_loader_extension.getBuffers = dri2_get_buffers;
dri2_dpy->dri2_loader_extension.flushFrontBuffer = dri2_flush_front_buffer;
dri2_dpy->dri2_loader_extension.getBuffersWithFormat = NULL;
}
dri2_dpy->extensions[0] = &dri2_dpy->dri2_loader_extension.base;
dri2_dpy->extensions[1] = &image_lookup_extension.base;
dri2_dpy->extensions[2] = NULL;
dri2_dpy->swap_available = (dri2_dpy->dri2_minor >= 2);
dri2_dpy->invalidate_available = (dri2_dpy->dri2_minor >= 3);
if (!dri2_create_screen(disp))
goto cleanup_fd;
dri2_setup_swap_interval(dri2_dpy);
disp->Extensions.KHR_image_pixmap = EGL_TRUE;
disp->Extensions.NOK_swap_region = EGL_TRUE;
disp->Extensions.NOK_texture_from_pixmap = EGL_TRUE;
disp->Extensions.NV_post_sub_buffer = EGL_TRUE;
#ifdef HAVE_WAYLAND_PLATFORM
disp->Extensions.WL_bind_wayland_display = EGL_TRUE;
#endif
if (dri2_dpy->conn) {
if (!dri2_add_configs_for_visuals(dri2_dpy, disp))
goto cleanup_configs;
}
dri2_dpy->authenticate = dri2_x11_authenticate;
/* we're supporting EGL 1.4 */
disp->VersionMajor = 1;
disp->VersionMinor = 4;
return EGL_TRUE;
cleanup_configs:
_eglCleanupDisplay(disp);
dri2_dpy->core->destroyScreen(dri2_dpy->dri_screen);
cleanup_fd:
close(dri2_dpy->fd);
cleanup_driver:
dlclose(dri2_dpy->driver);
cleanup_conn:
if (disp->PlatformDisplay == NULL)
xcb_disconnect(dri2_dpy->conn);
cleanup_dpy:
free(dri2_dpy);
return EGL_FALSE;
}