egl/x11: store xcb_screen_t *screen instead of int screen
Just fetch and store it once, rather than doing the xcb_setup_roots_iterator + get_xcb_screen dance five times. v2: Call xcb_disconnect() on error (Eric) Signed-off-by: Emil Velikov <emil.velikov@collabora.com> Reviewed-by: Eric Engestrom <eric.engestrom@imgtec.com> (v1)
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@ -199,7 +199,7 @@ struct dri2_egl_display
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#ifdef HAVE_X11_PLATFORM
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xcb_connection_t *conn;
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int screen;
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xcb_screen_t *screen;
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int swap_available;
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#ifdef HAVE_DRI3
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struct loader_dri3_extensions loader_dri3_ext;
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@ -206,10 +206,8 @@ dri2_x11_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
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struct dri2_egl_surface *dri2_surf;
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xcb_get_geometry_cookie_t cookie;
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xcb_get_geometry_reply_t *reply;
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xcb_screen_iterator_t s;
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xcb_generic_error_t *error;
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xcb_drawable_t drawable;
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xcb_screen_t *screen;
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const __DRIconfig *config;
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STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface));
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@ -228,16 +226,9 @@ dri2_x11_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
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dri2_surf->region = XCB_NONE;
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if (type == EGL_PBUFFER_BIT) {
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s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
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screen = get_xcb_screen(s, dri2_dpy->screen);
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if (!screen) {
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_eglError(EGL_BAD_ALLOC, "failed to get xcb screen");
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goto cleanup_surf;
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}
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dri2_surf->drawable = xcb_generate_id(dri2_dpy->conn);
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xcb_create_pixmap(dri2_dpy->conn, conf->BufferSize,
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dri2_surf->drawable, screen->root,
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dri2_surf->drawable, dri2_dpy->screen->root,
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dri2_surf->base.Width, dri2_surf->base.Height);
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} else {
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if (!drawable) {
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@ -544,20 +535,10 @@ dri2_x11_do_authenticate(struct dri2_egl_display *dri2_dpy, uint32_t id)
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{
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xcb_dri2_authenticate_reply_t *authenticate;
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xcb_dri2_authenticate_cookie_t authenticate_cookie;
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xcb_screen_iterator_t s;
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xcb_screen_t *screen;
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int ret = 0;
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s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
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screen = get_xcb_screen(s, dri2_dpy->screen);
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if (!screen) {
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_eglLog(_EGL_WARNING, "DRI2: failed to get xcb screen");
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return -1;
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}
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authenticate_cookie =
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xcb_dri2_authenticate_unchecked(dri2_dpy->conn, screen->root, id);
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xcb_dri2_authenticate_unchecked(dri2_dpy->conn, dri2_dpy->screen->root, id);
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authenticate =
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xcb_dri2_authenticate_reply(dri2_dpy->conn, authenticate_cookie, NULL);
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@ -598,8 +579,6 @@ dri2_x11_connect(struct dri2_egl_display *dri2_dpy)
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xcb_dri2_connect_reply_t *connect;
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xcb_dri2_connect_cookie_t connect_cookie;
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xcb_generic_error_t *error;
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xcb_screen_iterator_t s;
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xcb_screen_t *screen;
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char *driver_name, *loader_driver_name, *device_name;
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const xcb_query_extension_reply_t *extension;
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@ -622,13 +601,7 @@ dri2_x11_connect(struct dri2_egl_display *dri2_dpy)
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XCB_DRI2_MAJOR_VERSION,
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XCB_DRI2_MINOR_VERSION);
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s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
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screen = get_xcb_screen(s, dri2_dpy->screen);
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if (!screen) {
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_eglLog(_EGL_WARNING, "DRI2: failed to get xcb screen");
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return EGL_FALSE;
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}
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connect_cookie = xcb_dri2_connect_unchecked(dri2_dpy->conn, screen->root,
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connect_cookie = xcb_dri2_connect_unchecked(dri2_dpy->conn, dri2_dpy->screen->root,
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XCB_DRI2_DRIVER_TYPE_DRI);
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xfixes_query =
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@ -720,7 +693,6 @@ static EGLBoolean
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dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
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_EGLDisplay *disp, bool supports_preserved)
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{
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xcb_screen_iterator_t s;
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xcb_depth_iterator_t d;
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xcb_visualtype_t *visuals;
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int i, j, count;
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@ -732,8 +704,7 @@ dri2_x11_add_configs_for_visuals(struct dri2_egl_display *dri2_dpy,
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EGL_NONE
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};
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s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
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d = xcb_screen_allowed_depths_iterator(get_xcb_screen(s, dri2_dpy->screen));
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d = xcb_screen_allowed_depths_iterator(dri2_dpy->screen);
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count = 0;
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surface_type =
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@ -1183,17 +1154,19 @@ static EGLBoolean
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dri2_get_xcb_connection(_EGLDriver *drv, _EGLDisplay *disp,
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struct dri2_egl_display *dri2_dpy)
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{
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xcb_screen_iterator_t s;
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int screen = 0;
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const char *msg;
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disp->DriverData = (void *) dri2_dpy;
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if (disp->PlatformDisplay == NULL) {
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dri2_dpy->conn = xcb_connect(0, &dri2_dpy->screen);
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dri2_dpy->conn = xcb_connect(NULL, &screen);
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dri2_dpy->own_device = true;
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} else {
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Display *dpy = disp->PlatformDisplay;
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dri2_dpy->conn = XGetXCBConnection(dpy);
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dri2_dpy->screen = DefaultScreen(dpy);
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screen = DefaultScreen(dpy);
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}
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if (!dri2_dpy->conn || xcb_connection_has_error(dri2_dpy->conn)) {
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@ -1201,6 +1174,13 @@ dri2_get_xcb_connection(_EGLDriver *drv, _EGLDisplay *disp,
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goto disconnect;
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}
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s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
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dri2_dpy->screen = get_xcb_screen(s, screen);
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if (!dri2_dpy->screen) {
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msg = "failed to get xcb screen";
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goto disconnect;
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}
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return EGL_TRUE;
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disconnect:
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if (disp->PlatformDisplay == NULL)
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@ -160,16 +160,6 @@ dri3_set_swap_interval(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surf,
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return EGL_TRUE;
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}
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static xcb_screen_t *
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get_xcb_screen(xcb_screen_iterator_t iter, int screen)
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{
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for (; iter.rem; --screen, xcb_screen_next(&iter))
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if (screen == 0)
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return iter.data;
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return NULL;
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}
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static _EGLSurface *
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dri3_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
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_EGLConfig *conf, void *native_surface,
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@ -180,8 +170,6 @@ dri3_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
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struct dri3_egl_surface *dri3_surf;
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const __DRIconfig *dri_config;
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xcb_drawable_t drawable;
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xcb_screen_iterator_t s;
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xcb_screen_t *screen;
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STATIC_ASSERT(sizeof(uintptr_t) == sizeof(native_surface));
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drawable = (uintptr_t) native_surface;
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@ -198,16 +186,9 @@ dri3_create_surface(_EGLDriver *drv, _EGLDisplay *disp, EGLint type,
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goto cleanup_surf;
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if (type == EGL_PBUFFER_BIT) {
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s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
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screen = get_xcb_screen(s, dri2_dpy->screen);
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if (!screen) {
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_eglError(EGL_BAD_NATIVE_WINDOW, "dri3_create_surface");
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goto cleanup_surf;
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}
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drawable = xcb_generate_id(dri2_dpy->conn);
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xcb_create_pixmap(dri2_dpy->conn, conf->BufferSize,
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drawable, screen->root,
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drawable, dri2_dpy->screen->root,
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dri3_surf->base.Width, dri3_surf->base.Height);
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}
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@ -473,8 +454,6 @@ dri3_x11_connect(struct dri2_egl_display *dri2_dpy)
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xcb_present_query_version_reply_t *present_query;
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xcb_present_query_version_cookie_t present_query_cookie;
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xcb_generic_error_t *error;
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xcb_screen_iterator_t s;
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xcb_screen_t *screen;
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const xcb_query_extension_reply_t *extension;
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xcb_prefetch_extension_data (dri2_dpy->conn, &xcb_dri3_id);
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@ -517,14 +496,7 @@ dri3_x11_connect(struct dri2_egl_display *dri2_dpy)
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}
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free(present_query);
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s = xcb_setup_roots_iterator(xcb_get_setup(dri2_dpy->conn));
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screen = get_xcb_screen(s, dri2_dpy->screen);
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if (!screen) {
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_eglError(EGL_BAD_NATIVE_WINDOW, "dri3_x11_connect");
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return EGL_FALSE;
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}
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dri2_dpy->fd = loader_dri3_open(dri2_dpy->conn, screen->root, 0);
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dri2_dpy->fd = loader_dri3_open(dri2_dpy->conn, dri2_dpy->screen->root, 0);
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if (dri2_dpy->fd < 0) {
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int conn_error = xcb_connection_has_error(dri2_dpy->conn);
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_eglLog(_EGL_WARNING, "DRI3: Screen seems not DRI3 capable");
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