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/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2012 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_WAYLAND_SERVER_H
#define __COGL_WAYLAND_SERVER_H
#include <wayland-server.h>
/* NB: this is a top-level header that can be included directly but we
* want to be careful not to define __COGL_H_INSIDE__ when this is
* included internally while building Cogl itself since
* __COGL_H_INSIDE__ is used in headers to guard public vs private api
* definitions
*/
#ifndef COGL_COMPILATION
#define __COGL_H_INSIDE__
#endif
#include <cogl/cogl-context.h>
#include <cogl/cogl-texture-2d.h>
COGL_BEGIN_DECLS
/**
* cogl_wayland_display_set_compositor_display:
* @display: a #CoglDisplay
* @wayland_display: A compositor's Wayland display pointer
*
* Informs Cogl of a compositor's Wayland display pointer. This
* enables Cogl to register private wayland extensions required to
* pass buffers between the clients and compositor.
*
* Since: 1.10
* Stability: unstable
*/
void
cogl_wayland_display_set_compositor_display (CoglDisplay *display,
struct wl_display *wayland_display);
/**
* cogl_wayland_texture_2d_new_from_buffer:
* @ctx: A #CoglContext
* @buffer: A Wayland resource for a buffer
* @error: A #CoglError for exceptions
*
* Uploads the @buffer referenced by the given Wayland resource to a
* #CoglTexture2D. The buffer resource may refer to a wl_buffer or a
* wl_shm_buffer.
*
* <note>The results are undefined for passing an invalid @buffer
* pointer</note>
* <note>It is undefined if future updates to @buffer outside the
* control of Cogl will affect the allocated #CoglTexture2D. In some
* cases the contents of the buffer are copied (such as shm buffers),
* and in other cases the underlying storage is re-used directly (such
* as drm buffers)</note>
*
* Returns: A newly allocated #CoglTexture2D, or if Cogl could not
* validate the @buffer in some way (perhaps because of
* an unsupported format) it will return %NULL and set
* @error.
*
* Since: 1.10
* Stability: unstable
*/
CoglTexture2D *
cogl_wayland_texture_2d_new_from_buffer (CoglContext *ctx,
struct wl_resource *buffer,
CoglError **error);
/**
* cogl_wayland_texture_set_region_from_shm_buffer:
* @texture: a #CoglTexture
* @width: The width of the region to copy
* @height: The height of the region to copy
* @shm_buffer: The source buffer
* @src_x: The X offset within the source bufer to copy from
* @src_y: The Y offset within the source bufer to copy from
* @dst_x: The X offset within the texture to copy to
* @dst_y: The Y offset within the texture to copy to
* @level: The mipmap level of the texture to copy to
* @error: A #CoglError to return exceptional errors
*
* Sets the pixels in a rectangular subregion of @texture from a
* Wayland SHM buffer. Generally this would be used in response to
* wl_surface.damage event in a compositor in order to update the
* texture with the damaged region. This is just a convenience wrapper
* around getting the SHM buffer pointer and calling
* cogl_texture_set_region(). See that function for a description of
* the level parameter.
*
* <note>Since the storage for a #CoglTexture is allocated lazily then
* if the given @texture has not previously been allocated then this
* api can return %FALSE and throw an exceptional @error if there is
* not enough memory to allocate storage for @texture.</note>
*
* Return value: %TRUE if the subregion upload was successful, and
* %FALSE otherwise
* Since: 1.18
* Stability: unstable
*/
CoglBool
cogl_wayland_texture_set_region_from_shm_buffer (CoglTexture *texture,
int src_x,
int src_y,
int width,
int height,
struct wl_shm_buffer *
shm_buffer,
int dst_x,
int dst_y,
int level,
CoglError **error);
COGL_END_DECLS
#endif /* __COGL_WAYLAND_SERVER_H */
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