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view.h
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>
27 #include <l4/re/c/video/colors.h>
28 
33 enum l4re_video_view_info_flags_t
34 {
35  F_l4re_video_view_none = 0x00,
36  F_l4re_video_view_set_buffer = 0x01,
37  F_l4re_video_view_set_buffer_offset = 0x02,
38  F_l4re_video_view_set_bytes_per_line = 0x04,
39  F_l4re_video_view_set_pixel = 0x08,
40  F_l4re_video_view_set_position = 0x10,
41  F_l4re_video_view_dyn_allocated = 0x20,
42  F_l4re_video_view_set_background = 0x40,
43  F_l4re_video_view_set_flags = 0x80,
44  F_l4re_video_view_fully_dynamic = F_l4re_video_view_set_buffer
45  | F_l4re_video_view_set_buffer_offset
46  | F_l4re_video_view_set_bytes_per_line
47  | F_l4re_video_view_set_pixel
48  | F_l4re_video_view_set_position
49  | F_l4re_video_view_dyn_allocated,
50 
51  F_l4re_video_view_above = 0x01000,
52  F_l4re_video_view_flags_mask = 0xff000,
53 };
54 
59 typedef struct l4re_video_view_info_t
60 {
61  unsigned flags;
62  unsigned view_index;
63  unsigned long xpos, ypos, width, height;
64  unsigned long buffer_offset;
65  unsigned long bytes_per_line;
66  l4re_video_pixel_info_t pixel_info;
67  unsigned buffer_index;
68 } l4re_video_view_info_t;
69 
70 
78 typedef struct l4re_video_view_t
79 {
80  l4_cap_idx_t goos;
81  unsigned idx;
82 } l4re_video_view_t;
83 
84 
85 EXTERN_C_BEGIN
86 
96 L4_CV int
97 l4re_video_view_refresh(l4re_video_view_t *view, int x, int y, int w,
98  int h) L4_NOTHROW;
99 
106 L4_CV int
107 l4re_video_view_get_info(l4re_video_view_t *view,
108  l4re_video_view_info_t *info) L4_NOTHROW;
109 
120 L4_CV int
121 l4re_video_view_set_info(l4re_video_view_t *view,
122  l4re_video_view_info_t *info) L4_NOTHROW;
123 
139 L4_CV int
140 l4re_video_view_set_viewport(l4re_video_view_t *view, int x, int y, int w,
141  int h, unsigned long bofs) L4_NOTHROW;
142 
152 L4_CV int
153 l4re_video_view_stack(l4re_video_view_t *view, l4re_video_view_t *pivot,
154  int behind) L4_NOTHROW;
155 
156 EXTERN_C_END
157 
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