mutter/src/compositor/meta-shaped-texture-private.h
Robert Mader edfe5cc3b7 shaped-texture: Add support for viewports
This implements the viewporter protocol which offers a cropping and scaling
capabilities to wayland clients.

There are several use cases for this, for example video players and games,
both as a convenience function and as potential performance optimization when
paired with hardware overlays etc.

https://gitlab.gnome.org/GNOME/mutter/merge_requests/323
2019-02-06 12:24:02 +00:00

56 lines
2.6 KiB
C

/*
* shaped texture
*
* An actor to draw a texture clipped to a list of rectangles
*
* Authored By Neil Roberts <neil@linux.intel.com>
*
* Copyright (C) 2008 Intel Corporation
* 2013 Red Hat, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*/
#ifndef __META_SHAPED_TEXTURE_PRIVATE_H__
#define __META_SHAPED_TEXTURE_PRIVATE_H__
#include "backends/meta-monitor-manager-private.h"
#include "meta/meta-shaped-texture.h"
ClutterActor *meta_shaped_texture_new (void);
void meta_shaped_texture_set_texture (MetaShapedTexture *stex,
CoglTexture *texture);
void meta_shaped_texture_set_is_y_inverted (MetaShapedTexture *stex,
gboolean is_y_inverted);
void meta_shaped_texture_set_snippet (MetaShapedTexture *stex,
CoglSnippet *snippet);
void meta_shaped_texture_set_fallback_size (MetaShapedTexture *stex,
int fallback_width,
int fallback_height);
gboolean meta_shaped_texture_is_obscured (MetaShapedTexture *self);
cairo_region_t * meta_shaped_texture_get_opaque_region (MetaShapedTexture *stex);
void meta_shaped_texture_set_transform (MetaShapedTexture *stex,
MetaMonitorTransform transform);
void meta_shaped_texture_set_viewport_src_rect (MetaShapedTexture *stex,
ClutterRect *src_rect);
void meta_shaped_texture_reset_viewport_src_rect (MetaShapedTexture *stex);
void meta_shaped_texture_set_viewport_dst_size (MetaShapedTexture *stex,
int dst_width,
int dst_height);
void meta_shaped_texture_reset_viewport_dst_size (MetaShapedTexture *stex);
#endif