forked from KolibriOS/kolibrios
118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
/* cairo - a vector graphics library with display and print output
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*
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* Copyright © 2009 Intel Corporation
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*
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* This library is free software; you can redistribute it and/or
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* modify it either under the terms of the GNU Lesser General Public
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* License version 2.1 as published by the Free Software Foundation
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* (the "LGPL") or, at your option, under the terms of the Mozilla
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* Public License Version 1.1 (the "MPL"). If you do not alter this
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* notice, a recipient may use your version of this file under either
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* the MPL or the LGPL.
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*
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* You should have received a copy of the LGPL along with this library
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* in the file COPYING-LGPL-2.1; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
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* You should have received a copy of the MPL along with this library
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* in the file COPYING-MPL-1.1
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*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
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* OF ANY KIND, either express or implied. See the LGPL or the MPL for
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* the specific language governing rights and limitations.
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*
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* Contributor(s):
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* Chris Wilson <chris@chris-wilson.co.uk>
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*/
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#include "cairoint.h"
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#if CAIRO_HAS_XCB_SHM_FUNCTIONS
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#include "cairo-xcb-private.h"
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#include <xcb/xcbext.h>
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#include <xcb/shm.h>
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uint32_t
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_cairo_xcb_connection_shm_attach (cairo_xcb_connection_t *connection,
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uint32_t id,
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cairo_bool_t readonly)
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{
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uint32_t segment = _cairo_xcb_connection_get_xid (connection);
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assert (connection->flags & CAIRO_XCB_HAS_SHM);
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xcb_shm_attach (connection->xcb_connection, segment, id, readonly);
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return segment;
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}
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void
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_cairo_xcb_connection_shm_put_image (cairo_xcb_connection_t *connection,
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xcb_drawable_t dst,
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xcb_gcontext_t gc,
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uint16_t total_width,
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uint16_t total_height,
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int16_t src_x,
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int16_t src_y,
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uint16_t width,
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uint16_t height,
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int16_t dst_x,
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int16_t dst_y,
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uint8_t depth,
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uint32_t shm,
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uint32_t offset)
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{
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assert (connection->flags & CAIRO_XCB_HAS_SHM);
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xcb_shm_put_image (connection->xcb_connection, dst, gc, total_width, total_height,
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src_x, src_y, width, height, dst_x, dst_y, depth,
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XCB_IMAGE_FORMAT_Z_PIXMAP, 0, shm, offset);
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}
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cairo_status_t
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_cairo_xcb_connection_shm_get_image (cairo_xcb_connection_t *connection,
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xcb_drawable_t src,
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int16_t src_x,
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int16_t src_y,
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uint16_t width,
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uint16_t height,
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uint32_t shmseg,
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uint32_t offset)
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{
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xcb_shm_get_image_reply_t *reply;
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xcb_generic_error_t *error;
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assert (connection->flags & CAIRO_XCB_HAS_SHM);
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reply = xcb_shm_get_image_reply (connection->xcb_connection,
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xcb_shm_get_image (connection->xcb_connection,
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src,
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src_x, src_y,
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width, height,
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(uint32_t) -1,
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XCB_IMAGE_FORMAT_Z_PIXMAP,
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shmseg, offset),
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&error);
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free (reply);
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if (error) {
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/* an error here should be impossible */
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free (error);
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return _cairo_error (CAIRO_STATUS_READ_ERROR);
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}
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return CAIRO_STATUS_SUCCESS;
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}
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void
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_cairo_xcb_connection_shm_detach (cairo_xcb_connection_t *connection,
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uint32_t segment)
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{
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assert (connection->flags & CAIRO_XCB_HAS_SHM);
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xcb_shm_detach (connection->xcb_connection, segment);
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_cairo_xcb_connection_put_xid (connection, segment);
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}
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#endif /* CAIRO_HAS_XCB_SHM_FUNCTIONS */
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