L4Re Operating System Framework
Interface and Usage Documentation
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goos.h
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1
6/*
7 * (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>
8 * economic rights: Technische Universität Dresden (Germany)
9 *
10 * This file is part of TUD:OS and distributed under the terms of the
11 * GNU General Public License 2.
12 * Please see the COPYING-GPL-2 file for details.
13 *
14 * As a special exception, you may use this file as part of a free software
15 * library without restriction. Specifically, if other files instantiate
16 * templates or use macros or inline functions from this file, or you compile
17 * this file and link it with other files to produce an executable, this
18 * file does not by itself cause the resulting executable to be covered by
19 * the GNU General Public License. This exception does not however
20 * invalidate any other reasons why the executable file might be covered by
21 * the GNU General Public License.
22 */
23#pragma once
24
25#include <l4/sys/types.h>
26#include <l4/re/c/dataspace.h>
28#include <l4/re/c/video/view.h>
29
46
51typedef struct
52{
53 unsigned long width;
54 unsigned long height;
55 unsigned flags;
60
66
68
80L4_CV int
83
93L4_CV int
95 int h) L4_NOTHROW;
96
108L4_CV int
110 l4_cap_idx_t buffer) L4_NOTHROW;
111
119L4_CV int
121
132L4_CV int
134 l4_cap_idx_t buffer) L4_NOTHROW;
135
142L4_CV int
145
153L4_CV int
156
157
169L4_CV int
172
Data space C interface.
l4_cap_idx_t l4re_video_goos_t
Goos object type.
Definition goos.h:65
l4re_video_goos_info_flags_t
Flags of information on the goos.
Definition goos.h:40
int l4re_video_goos_delete_buffer(l4re_video_goos_t goos, unsigned idx) L4_NOTHROW
Delete a pixel buffer.
int l4re_video_goos_info(l4re_video_goos_t goos, l4re_video_goos_info_t *ginfo) L4_NOTHROW
Get information on a goos.
int l4re_video_goos_refresh(l4re_video_goos_t goos, int x, int y, int w, int h) L4_NOTHROW
Flush a rectangle of pixels of the goos screen.
int l4re_video_goos_get_static_buffer(l4re_video_goos_t goos, unsigned idx, l4_cap_idx_t buffer) L4_NOTHROW
Get the data-space capability of the static pixel buffer.
int l4re_video_goos_get_view(l4re_video_goos_t goos, unsigned idx, l4re_video_view_t *view) L4_NOTHROW
Get a view for the given index.
int l4re_video_goos_create_view(l4re_video_goos_t goos, l4re_video_view_t *view) L4_NOTHROW
Create a new view (.
int l4re_video_goos_delete_view(l4re_video_goos_t goos, l4re_video_view_t *view) L4_NOTHROW
Delete a view.
int l4re_video_goos_create_buffer(l4re_video_goos_t goos, unsigned long size, l4_cap_idx_t buffer) L4_NOTHROW
Create a new buffer (memory buffer) for pixel data.
@ F_l4re_video_goos_pointer
We have a mouse pointer.
Definition goos.h:42
@ F_l4re_video_goos_dynamic_views
Supports dynamically allocated views.
Definition goos.h:43
@ F_l4re_video_goos_dynamic_buffers
Supports dynamically allocated buffers.
Definition goos.h:44
@ F_l4re_video_goos_auto_refresh
The graphics display is automatically refreshed.
Definition goos.h:41
unsigned long l4_cap_idx_t
Capability selector type.
Definition types.h:359
#define L4_CV
Define calling convention.
Definition linkage.h:44
#define L4_NOTHROW
Mark a function declaration and definition as never throwing an exception.
Definition compiler.h:188
#define EXTERN_C_BEGIN
Start section with C types and functions.
Definition compiler.h:192
#define EXTERN_C_END
End section with C types and functions.
Definition compiler.h:193
Common L4 ABI Data Types.
Goos information structure.
Definition goos.h:52
l4re_video_pixel_info_t pixel_info
Pixel layout of the goos.
Definition goos.h:58
unsigned long height
Height of the goos.
Definition goos.h:54
unsigned long width
Width of the goos.
Definition goos.h:53
unsigned num_static_views
Number of static views.
Definition goos.h:56
unsigned flags
Flags of the framebuffer, see l4re_video_goos_info_flags_t.
Definition goos.h:55
unsigned num_static_buffers
Number of static buffers.
Definition goos.h:57
Pixel_info structure.
Definition colors.h:42
C representation of a goos view.
Definition view.h:79