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Add EGL for X11

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This commit is contained in:
Scott Anderson 2017-09-26 15:16:25 +13:00
parent 517ba0bc16
commit bbe90d41bb
2 changed files with 21 additions and 9 deletions
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29
backend/x11/backend.c
View file

@ -51,7 +51,7 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
x11->xcb_conn = XGetXCBConnection(x11->xlib_conn); x11->xcb_conn = XGetXCBConnection(x11->xlib_conn);
if (!x11->xcb_conn || xcb_connection_has_error(x11->xcb_conn)) { if (!x11->xcb_conn || xcb_connection_has_error(x11->xcb_conn)) {
wlr_log(L_ERROR, "Failed to open xcb connection"); wlr_log(L_ERROR, "Failed to open xcb connection");
goto error; goto error_x11;
} }
int fd = xcb_get_file_descriptor(x11->xcb_conn); int fd = xcb_get_file_descriptor(x11->xcb_conn);
@ -59,12 +59,21 @@ struct wlr_backend *wlr_x11_backend_create(struct wl_display *display,
x11->event_source = wl_event_loop_add_fd(ev, fd, WL_EVENT_READABLE, x11_event, x11); x11->event_source = wl_event_loop_add_fd(ev, fd, WL_EVENT_READABLE, x11_event, x11);
if (!x11->event_source) { if (!x11->event_source) {
wlr_log(L_ERROR, "Could not create event source"); wlr_log(L_ERROR, "Could not create event source");
goto error; goto error_x11;
}
x11->screen = xcb_setup_roots_iterator(xcb_get_setup(x11->xcb_conn)).data;
if (!wlr_egl_init(&x11->egl, EGL_PLATFORM_X11_KHR,
x11->screen->root_visual, x11->xlib_conn)) {
goto error_event;
} }
return &x11->backend; return &x11->backend;
error: error_event:
wl_event_source_remove(x11->event_source);
error_x11:
xcb_disconnect(x11->xcb_conn); xcb_disconnect(x11->xcb_conn);
XCloseDisplay(x11->xlib_conn); XCloseDisplay(x11->xlib_conn);
free(x11); free(x11);
@ -74,18 +83,17 @@ error:
static bool wlr_x11_backend_start(struct wlr_backend *backend) { static bool wlr_x11_backend_start(struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend; struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
xcb_screen_t *screen = xcb_setup_roots_iterator(xcb_get_setup(x11->xcb_conn)).data;
uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK; uint32_t mask = XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK;
uint32_t values[2] = { uint32_t values[2] = {
screen->white_pixel, x11->screen->white_pixel,
XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_KEY_PRESS
}; };
x11->win = xcb_generate_id(x11->xcb_conn); x11->win = xcb_generate_id(x11->xcb_conn);
xcb_create_window(x11->xcb_conn, XCB_COPY_FROM_PARENT, x11->win, screen->root, xcb_create_window(x11->xcb_conn, XCB_COPY_FROM_PARENT, x11->win, x11->screen->root,
0, 0, 1024, 768, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT, 0, 0, 1024, 768, 1, XCB_WINDOW_CLASS_INPUT_OUTPUT,
screen->root_visual, mask, values); x11->screen->root_visual, mask, values);
xcb_map_window(x11->xcb_conn, x11->win); xcb_map_window(x11->xcb_conn, x11->win);
xcb_flush(x11->xcb_conn); xcb_flush(x11->xcb_conn);
@ -100,12 +108,15 @@ static void wlr_x11_backend_destroy(struct wlr_backend *backend) {
struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend; struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
wlr_egl_free(&x11->egl);
xcb_disconnect(x11->xcb_conn); xcb_disconnect(x11->xcb_conn);
free(x11); free(x11);
} }
struct wlr_egl *wlr_x11_backend_get_egl(struct wlr_backend *backend) { static struct wlr_egl *wlr_x11_backend_get_egl(struct wlr_backend *backend) {
return NULL; struct wlr_x11_backend *x11 = (struct wlr_x11_backend *)backend;
return &x11->egl;
} }
bool wlr_backend_is_x11(struct wlr_backend *backend) { bool wlr_backend_is_x11(struct wlr_backend *backend) {

1
include/backend/x11.h
View file

@ -11,6 +11,7 @@ struct wlr_x11_backend {
Display *xlib_conn; Display *xlib_conn;
xcb_connection_t *xcb_conn; xcb_connection_t *xcb_conn;
xcb_screen_t *screen;
xcb_window_t win; xcb_window_t win;
struct wlr_egl egl; struct wlr_egl egl;