static void
dri3_copy_area(xcb_connection_t *c,
xcb_drawable_t src_drawable,
xcb_drawable_t dst_drawable,
xcb_gcontext_t gc,
int16_t src_x,
int16_t src_y,
int16_t dst_x,
int16_t dst_y,
uint16_t width,
uint16_t height)
{
xcb_void_cookie_t cookie;
cookie = xcb_copy_area_checked(c,
src_drawable,
dst_drawable,
gc,
src_x,
src_y,
dst_x,
dst_y,
width,
height);
xcb_discard_reply(c, cookie.sequence);
}
BOOL
PRESENTHelperCopyFront(Display *dpy, PRESENTPixmapPriv *present_pixmap_priv)
{
PRESENTpriv *present_priv = present_pixmap_priv->present_priv;
xcb_void_cookie_t cookie;
xcb_generic_error_t *error;
uint32_t v = 0;
xcb_gcontext_t gc;
pthread_mutex_lock(&present_priv->mutex_present);
if (!present_priv->window) {
pthread_mutex_unlock(&present_priv->mutex_present);
return FALSE;
}
xcb_create_gc(present_priv->xcb_connection,
(gc = xcb_generate_id(present_priv->xcb_connection)),
present_priv->window,
XCB_GC_GRAPHICS_EXPOSURES,
&v);
cookie = xcb_copy_area_checked(present_priv->xcb_connection,
present_priv->window,
present_pixmap_priv->pixmap,
gc,
0, 0, 0, 0,
present_pixmap_priv->width,
present_pixmap_priv->height);
error = xcb_request_check(present_priv->xcb_connection, cookie);
xcb_free_gc(present_priv->xcb_connection, gc);
pthread_mutex_unlock(&present_priv->mutex_present);
return (error != NULL);
}
static void process_events(xcb_connection_t *c,
xcb_gcontext_t g,
xcb_window_t w,
xcb_pixmap_t p,
uint32_t width,
uint32_t height) {
xcb_generic_event_t *e;
xcb_void_cookie_t cookie;
while ((e = xcb_wait_for_event(c))) {
uint32_t r = XCB_EVENT_RESPONSE_TYPE(e);
xcb_generic_error_t *err;
fprintf(stderr, "event %d\n", r);
switch (r) {
case XCB_EXPOSE:
case XCB_MAP_NOTIFY:
cookie = xcb_copy_area_checked(c, p, w, g,
0, 0, 0, 0,
width, height);
assert(!xcb_request_check(c, cookie));
break;
case XCB_BUTTON_PRESS:
exit(0);
break;
case 0:
err = (xcb_generic_error_t *) e;
printf("error: %d (sequence %d)\n",
err->error_code, (unsigned int) err->full_sequence);
exit(1);
default:
break;
}
free(e);
}
}
