diff options
Diffstat (limited to 'libs/cairo-1.16.0/src/cairo-drm.h')
-rw-r--r-- | libs/cairo-1.16.0/src/cairo-drm.h | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/libs/cairo-1.16.0/src/cairo-drm.h b/libs/cairo-1.16.0/src/cairo-drm.h new file mode 100644 index 0000000..907610d --- /dev/null +++ b/libs/cairo-1.16.0/src/cairo-drm.h @@ -0,0 +1,120 @@ +/* Cairo - a vector graphics library with display and print output + * + * Copyright © 2009 Chris Wilson + * + * This library is free software; you can redistribute it and/or + * modify it either under the terms of the GNU Lesser General Public + * License version 2.1 as published by the Free Software Foundation + * (the "LGPL") or, at your option, under the terms of the Mozilla + * Public License Version 1.1 (the "MPL"). If you do not alter this + * notice, a recipient may use your version of this file under either + * the MPL or the LGPL. + * + * You should have received a copy of the LGPL along with this library + * in the file COPYING-LGPL-2.1; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA + * You should have received a copy of the MPL along with this library + * in the file COPYING-MPL-1.1 + * + * The contents of this file are subject to the Mozilla Public License + * Version 1.1 (the "License"); you may not use this file except in + * compliance with the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY + * OF ANY KIND, either express or implied. See the LGPL or the MPL for + * the specific language governing rights and limitations. + * + * The Original Code is the cairo graphics library. + * + * The Initial Developer of the Original Code is Chris Wilson. + */ + +#ifndef CAIRO_DRM_H +#define CAIRO_DRM_H + +#include "cairo.h" + +#if CAIRO_HAS_DRM_SURFACE + +CAIRO_BEGIN_DECLS + +struct udev_device; + +cairo_public cairo_device_t * +cairo_drm_device_get (struct udev_device *device); + +cairo_public cairo_device_t * +cairo_drm_device_get_for_fd (int fd); + +cairo_public cairo_device_t * +cairo_drm_device_default (void); + +cairo_public int +cairo_drm_device_get_fd (cairo_device_t *device); + +cairo_public void +cairo_drm_device_throttle (cairo_device_t *device); + +cairo_public cairo_surface_t * +cairo_drm_surface_create (cairo_device_t *device, + cairo_format_t format, + int width, int height); + +cairo_public cairo_surface_t * +cairo_drm_surface_create_for_name (cairo_device_t *device, + unsigned int name, + cairo_format_t format, + int width, int height, int stride); + +cairo_public cairo_surface_t * +cairo_drm_surface_create_from_cacheable_image (cairo_device_t *device, + cairo_surface_t *surface); + +cairo_public cairo_status_t +cairo_drm_surface_enable_scan_out (cairo_surface_t *surface); + +cairo_public unsigned int +cairo_drm_surface_get_handle (cairo_surface_t *surface); + +cairo_public unsigned int +cairo_drm_surface_get_name (cairo_surface_t *surface); + +cairo_public cairo_format_t +cairo_drm_surface_get_format (cairo_surface_t *surface); + +cairo_public int +cairo_drm_surface_get_width (cairo_surface_t *surface); + +cairo_public int +cairo_drm_surface_get_height (cairo_surface_t *surface); + +cairo_public int +cairo_drm_surface_get_stride (cairo_surface_t *surface); + +/* XXX map/unmap, general surface layer? */ + +/* Rough outline, culled from a conversation on IRC: + * map() returns an image-surface representation of the drm-surface, + * which you unmap() when you are finished, i.e. map() pulls the buffer back + * from the GPU, maps it into the CPU domain and gives you direct access to + * the pixels. With the unmap(), the buffer is ready to be used again by the + * GPU and *until* the unmap(), all operations will be done in software. + * + * (Technically calling cairo_surface_flush() on the underlying drm-surface + * will also disassociate the mapping.) +*/ +cairo_public cairo_surface_t * +cairo_drm_surface_map_to_image (cairo_surface_t *surface); + +cairo_public void +cairo_drm_surface_unmap (cairo_surface_t *drm_surface, + cairo_surface_t *image_surface); + +CAIRO_END_DECLS + +#else /* CAIRO_HAS_DRM_SURFACE */ +# error Cairo was not compiled with support for the DRM backend +#endif /* CAIRO_HAS_DRM_SURFACE */ + +#endif /* CAIRO_DRM_H */ |