uint32_t
_cairo_xcb_connection_shm_attach (cairo_xcb_connection_t *connection,
uint32_t id,
cairo_bool_t readonly)
{
struct {
uint8_t req;
uint8_t shm_req;
uint16_t length;
uint32_t segment;
uint32_t id;
uint8_t readonly;
uint8_t pad1;
uint16_t pad2;
} req;
struct iovec vec[1];
COMPILE_TIME_ASSERT (sizeof (req) == 16);
req.req = connection->shm->major_opcode;
req.shm_req = 1;
req.length = sizeof (req) >> 2;
req.segment = _cairo_xcb_connection_get_xid (connection);
req.id = id;
req.readonly = readonly;
vec[0].iov_base = &req;
vec[0].iov_len = sizeof (req);
_cairo_xcb_connection_write (connection, vec, 1);
return req.segment;
}
uint32_t
_cairo_xcb_connection_shm_attach (cairo_xcb_connection_t *connection,
uint32_t id,
cairo_bool_t readonly)
{
uint32_t segment = _cairo_xcb_connection_get_xid (connection);
assert (connection->flags & CAIRO_XCB_HAS_SHM);
xcb_shm_attach (connection->xcb_connection, segment, id, readonly);
return segment;
}
xcb_gcontext_t
_cairo_xcb_connection_create_gc (cairo_xcb_connection_t *connection,
xcb_drawable_t drawable,
uint32_t value_mask,
uint32_t *values)
{
xcb_gcontext_t gc = _cairo_xcb_connection_get_xid (connection);
xcb_create_gc (connection->xcb_connection, gc, drawable,
value_mask, values);
return gc;
}
xcb_pixmap_t
_cairo_xcb_connection_create_pixmap (cairo_xcb_connection_t *connection,
uint8_t depth,
xcb_drawable_t drawable,
uint16_t width,
uint16_t height)
{
xcb_pixmap_t pixmap = _cairo_xcb_connection_get_xid (connection);
assert (width > 0);
assert (height > 0);
xcb_create_pixmap (connection->xcb_connection,
depth, pixmap, drawable,
width, height);
return pixmap;
}
