mirror of
https://github.com/brl/mutter.git
synced 2024-12-27 13:22:15 +00:00
e2f5579391
If you include a file that might define __INSIDE_COGL_H__, don't undefine it if it wasn't defined in that file. This makes it possible to include for example cogl-gles2.h from some other file which defines __INSIDE_COGL_H__. https://bugzilla.gnome.org/show_bug.cgi?id=768976
164 lines
6.2 KiB
C
164 lines
6.2 KiB
C
/*
|
|
* Cogl
|
|
*
|
|
* A Low Level GPU Graphics and Utilities API
|
|
*
|
|
* Copyright (C) 2012 Intel Corporation.
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person
|
|
* obtaining a copy of this software and associated documentation
|
|
* files (the "Software"), to deal in the Software without
|
|
* restriction, including without limitation the rights to use, copy,
|
|
* modify, merge, publish, distribute, sublicense, and/or sell copies
|
|
* of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be
|
|
* included in all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#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
|
|
|
|
/* Note: When building Cogl .gir we explicitly define
|
|
* __COGL_H_INSIDE__ */
|
|
#ifndef __COGL_H_INSIDE__
|
|
#define __COGL_H_INSIDE__
|
|
#define __COGL_MUST_UNDEF_COGL_H_INSIDE_COGL_WAYLAND_SERVER_
|
|
#endif
|
|
|
|
#endif /* COGL_COMPILATION */
|
|
|
|
#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
|
|
|
|
/* The gobject introspection scanner seems to parse public headers in
|
|
* isolation which means we need to be extra careful about how we
|
|
* define and undefine __COGL_H_INSIDE__ used to detect when internal
|
|
* headers are incorrectly included by developers. In the gobject
|
|
* introspection case we have to manually define __COGL_H_INSIDE__ as
|
|
* a commandline argument for the scanner which means we must be
|
|
* careful not to undefine it in a header...
|
|
*/
|
|
#ifdef __COGL_MUST_UNDEF_COGL_H_INSIDE_COGL_WAYLAND_SERVER_
|
|
#undef __COGL_H_INSIDE__
|
|
#undef __COGL_MUST_UNDEF_COGL_H_INSIDE_COGL_WAYLAND_SERVER_
|
|
#endif
|
|
|
|
#endif /* __COGL_WAYLAND_SERVER_H */
|