-static char *
-dri2_strndup(const char *s, int length)
-{
- char *d;
-
- d = malloc(length + 1);
- if (d == NULL)
- return NULL;
-
- memcpy(d, s, length);
- d[length] = '\0';
-
- return d;
-}
-
-static EGLBoolean
-dri2_connect(struct dri2_egl_display *dri2_dpy)
-{
- xcb_xfixes_query_version_reply_t *xfixes_query;
- xcb_xfixes_query_version_cookie_t xfixes_query_cookie;
- xcb_dri2_query_version_reply_t *dri2_query;
- xcb_dri2_query_version_cookie_t dri2_query_cookie;
- xcb_dri2_connect_reply_t *connect;
- xcb_dri2_connect_cookie_t connect_cookie;
- xcb_generic_error_t *error;
- xcb_screen_iterator_t s;
-
- xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_xfixes_id);
- xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri2_id);
-
- xfixes_query_cookie = xcb_xfixes_query_version(dri2_dpy->conn,
- XCB_XFIXES_MAJOR_VERSION,
- XCB_XFIXES_MINOR_VERSION);
-
- dri2_query_cookie = xcb_dri2_query_version (dri2_dpy->conn,
- XCB_DRI2_MAJOR_VERSION,
- XCB_DRI2_MINOR_VERSION);
-
- s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
- connect_cookie = xcb_dri2_connect_unchecked (dri2_dpy->conn,
- s.data->root,
- XCB_DRI2_DRIVER_TYPE_DRI);
-
- xfixes_query =
- xcb_xfixes_query_version_reply (dri2_dpy->conn,
- xfixes_query_cookie, &error);
- if (xfixes_query == NULL ||
- error != NULL || xfixes_query->major_version < 2) {
- _eglLog(_EGL_FATAL, "DRI2: failed to query xfixes version");
- free(error);
- return EGL_FALSE;
- }
- free(xfixes_query);
-
- dri2_query =
- xcb_dri2_query_version_reply (dri2_dpy->conn, dri2_query_cookie, &error);
- if (dri2_query == NULL || error != NULL) {
- _eglLog(_EGL_FATAL, "DRI2: failed to query version");
- free(error);
- return EGL_FALSE;
- }
- dri2_dpy->dri2_major = dri2_query->major_version;
- dri2_dpy->dri2_minor = dri2_query->minor_version;
- free(dri2_query);
-
- connect = xcb_dri2_connect_reply (dri2_dpy->conn, connect_cookie, NULL);
- if (connect == NULL ||
- connect->driver_name_length + connect->device_name_length == 0) {
- _eglLog(_EGL_FATAL, "DRI2: failed to authenticate");
- return EGL_FALSE;
- }
-
- dri2_dpy->device_name =
- dri2_strndup(xcb_dri2_connect_device_name (connect),
- xcb_dri2_connect_device_name_length (connect));
-
- dri2_dpy->driver_name =
- dri2_strndup(xcb_dri2_connect_driver_name (connect),
- xcb_dri2_connect_driver_name_length (connect));
-
- if (dri2_dpy->device_name == NULL || dri2_dpy->driver_name == NULL) {
- free(dri2_dpy->device_name);
- free(dri2_dpy->driver_name);
- free(connect);
- return EGL_FALSE;
- }
- free(connect);
-
- return EGL_TRUE;
-}
-
-static EGLBoolean
-dri2_authenticate(struct dri2_egl_display *dri2_dpy)
-{
- xcb_dri2_authenticate_reply_t *authenticate;
- xcb_dri2_authenticate_cookie_t authenticate_cookie;
- xcb_screen_iterator_t s;
- drm_magic_t magic;
-
- if (drmGetMagic(dri2_dpy->fd, &magic)) {
- _eglLog(_EGL_FATAL, "DRI2: failed to get drm magic");
- return EGL_FALSE;
- }
-
- s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
- authenticate_cookie =
- xcb_dri2_authenticate_unchecked(dri2_dpy->conn, s.data->root, magic);
- authenticate =
- xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL);
- if (authenticate == NULL || !authenticate->authenticated) {
- _eglLog(_EGL_FATAL, "DRI2: failed to authenticate");
- free(authenticate);
- return EGL_FALSE;
- }
-
- free(authenticate);
-
- return EGL_TRUE;
-}
-
-static EGLBoolean
-dri2_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
- _EGLDisplay *disp)
-{
- xcb_screen_iterator_t s;
- xcb_depth_iterator_t d;
- xcb_visualtype_t *visuals;
- int i, j, id;
- struct dri2_egl_config *conf;
- EGLint surface_type;
-
- s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
- d = xcb_screen_allowed_depths_iterator(s.data);
- id = 1;
-
- surface_type =
- EGL_WINDOW_BIT |
- EGL_PIXMAP_BIT |
- EGL_PBUFFER_BIT |
- EGL_SWAP_BEHAVIOR_PRESERVED_BIT;
-
- while (d.rem > 0) {
- EGLBoolean class_added[6] = { 0, };
-
- visuals = xcb_depth_visuals(d.data);
- for (i = 0; i < xcb_depth_visuals_length(d.data); i++) {
- if (class_added[visuals[i]._class])
- continue;
-
- class_added[visuals[i]._class] = EGL_TRUE;
- for (j = 0; dri2_dpy->driver_configs[j]; j++) {
- conf = dri2_add_config(disp, dri2_dpy->driver_configs[j],
- id++, d.data->depth, surface_type);
- if (conf == NULL)
- continue;
- _eglSetConfigKey(&conf->base,
- EGL_NATIVE_VISUAL_ID, visuals[i].visual_id);
- _eglSetConfigKey(&conf->base,
- EGL_NATIVE_VISUAL_TYPE, visuals[i]._class);
- }
- }
-
- xcb_depth_next(&d);
- }
-
- if (!_eglGetArraySize(disp->Configs)) {
- _eglLog(_EGL_WARNING, "DRI2: failed to create any config");
- return EGL_FALSE;
- }
-
- return EGL_TRUE;
-}
-
-static EGLBoolean
-dri2_load_driver(_EGLDisplay *disp)