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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2010 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
*/
#ifndef __COGL_TEXTURE_PIXMAP_X11_H
#define __COGL_TEXTURE_PIXMAP_X11_H
#include <cogl/cogl.h>
#ifdef COGL_ENABLE_EXPERIMENTAL_API
/* All of the cogl-texture-pixmap-x11 API is currently experimental so
* we suffix the actual symbols with _EXP so if somone is monitoring
* for ABI changes it will hopefully be clearer to them what's going
* on if any of the symbols dissapear at a later date.
*/
#define cogl_texture_pixmap_x11_new cogl_texture_pixmap_x11_new_EXP
#define cogl_texture_pixmap_x11_update_area \
cogl_texture_pixmap_x11_update_area_EXP
#define cogl_texture_pixmap_x11_is_using_tfp_extension \
cogl_texture_pixmap_x11_is_using_tfp_extension_EXP
#define cogl_texture_pixmap_x11_set_damage_object \
cogl_texture_pixmap_x11_set_damage_object_EXP
#define cogl_is_texture_pixmap_x11 cogl_is_texture_pixmap_x11_EXP
typedef enum
{
COGL_TEXTURE_PIXMAP_X11_DAMAGE_RAW_RECTANGLES,
COGL_TEXTURE_PIXMAP_X11_DAMAGE_DELTA_RECTANGLES,
COGL_TEXTURE_PIXMAP_X11_DAMAGE_BOUNDING_BOX,
COGL_TEXTURE_PIXMAP_X11_DAMAGE_NON_EMPTY
} CoglTexturePixmapX11ReportLevel;
/**
* cogl_texture_pixmap_x11_new:
* @pixmap: A X11 pixmap ID
* @automatic_updates: Whether to automatically copy the contents of
* the pixmap to the texture.
*
* Creates a texture that contains the contents of @pixmap. If
* @automatic_updates is %TRUE then Cogl will attempt to listen for
* damage events on the pixmap and automatically update the texture
* when it changes.
*
* Return value: a CoglHandle to a texture
*
* Since: 1.4
* Stability: Unstable
*/
CoglHandle
cogl_texture_pixmap_x11_new (guint32 pixmap,
gboolean automatic_updates);
/**
* cogl_texture_pixmap_x11_update_area:
* @handle: A CoglHandle to a CoglTexturePixmapX11 instance
* @x: x coordinate of the area to update
* @y: y coordinate of the area to update
* @width: width of the area to update
* @height: height of the area to update
*
* Forces an update of the texture pointed to by @handle so that it is
* refreshed with the contents of the pixmap that was given to
* cogl_texture_pixmap_x11_new().
*
* Since: 1.4
* Stability: Unstable
*/
void
cogl_texture_pixmap_x11_update_area (CoglHandle handle,
int x,
int y,
int width,
int height);
/**
* cogl_texture_pixmap_x11_is_using_tfp_extension:
* @handle: A CoglHandle to a CoglTexturePixmapX11 instance
*
* Checks whether the texture is using the GLX_EXT_texture_from_pixmap
* or similar extension to copy the contents of the pixmap to the texture.
* This extension is usually implemented as zero-copy operation so it
* implies the updates are working efficiently.
*
* Return value: %TRUE if the texture is using an efficient extension
* and %FALSE otherwise
*
* Since: 1.4
* Stability: Unstable
*/
gboolean
cogl_texture_pixmap_x11_is_using_tfp_extension (CoglHandle handle);
/**
* cogl_texture_pixmap_x11_set_damage_object:
* @handle: A CoglHandle
* @damage: A X11 Damage object or 0
* @report_level: The report level which describes how to interpret
* the damage events. This should match the level that the damage
* object was created with.
*
* Sets the damage object that will be used to track automatic updates
* to the texture. Damage tracking can be disabled by passing 0 for
* @damage. Otherwise this damage will replace the one used if %TRUE
* was passed for automatic_updates to cogl_texture_pixmap_x11_new().
*
* Note that Cogl will subtract from the damage region as it processes
* damage events.
*
* Since: 1.4
* Stability: Unstable
*/
void
cogl_texture_pixmap_x11_set_damage_object (CoglHandle handle,
guint32 damage,
CoglTexturePixmapX11ReportLevel
report_level);
/**
* cogl_is_texture_pixmap_x11:
* @handle: A CoglHandle
*
* Checks whether @handle points to a CoglTexturePixmapX11 instance.
*
* Return value: %TRUE if the handle is a CoglTexturePixmapX11, and
* %FALSE otherwise
*
* Since: 1.4
* Stability: Unstable
*/
gboolean
cogl_is_texture_pixmap_x11 (CoglHandle handle);
#endif /* COGL_ENABLE_EXPERIMENTAL_API */
#endif /* __COGL_TEXTURE_PIXMAP_X11_H */
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