1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/**********************************************************
* Copyright 2009-2011 VMware, Inc. All rights reserved.
*
* 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.
*
* The format encoding idea is partially borrowed from libpixman, but it is not
* considered a "substantial part of the software", so the pixman copyright
* is left out for simplicity, and acknowledgment is instead given in this way.
*
*********************************************************
* Authors:
* Zack Rusin <zackr-at-vmware-dot-com>
* Thomas Hellstrom <thellstrom-at-vmware-dot-com>
*/
#ifndef _XA_TRACKER_H_
#define _XA_TRACKER_H_
#include <stdint.h>
#define XA_TRACKER_VERSION_MAJOR 2
#define XA_TRACKER_VERSION_MINOR 2
#define XA_TRACKER_VERSION_PATCH 0
#define XA_FLAG_SHARED (1 << 0)
#define XA_FLAG_RENDER_TARGET (1 << 1)
#define XA_FLAG_SCANOUT (1 << 2)
#define XA_MAP_READ (1 << 0)
#define XA_MAP_WRITE (1 << 1)
#define XA_MAP_MAP_DIRECTLY (1 << 2)
#define XA_MAP_UNSYNCHRONIZED (1 << 3)
#define XA_MAP_DONTBLOCK (1 << 4)
#define XA_MAP_DISCARD_WHOLE_RESOURCE (1 << 5)
#define XA_ERR_NONE 0
#define XA_ERR_NORES 1
#define XA_ERR_INVAL 2
#define XA_ERR_BUSY 3
enum xa_surface_type {
xa_type_other,
xa_type_a,
xa_type_argb,
xa_type_abgr,
xa_type_bgra,
xa_type_z,
xa_type_zs,
xa_type_sz,
xa_type_yuv_component
};
/*
* Note that these formats should not be assumed to be binary compatible with
* pixman formats, but with the below macros and a format type map,
* conversion should be simple. Macros for now. We might replace with
* inline functions.
*/
#define xa_format(bpp,type,a,r,g,b) (((bpp) << 24) | \
((type) << 16) | \
((a) << 12) | \
((r) << 8) | \
((g) << 4) | \
((b)))
/*
* Non-RGBA one- and two component formats.
*/
#define xa_format_c(bpp,type,c1,c2) (((bpp) << 24) | \
((type) << 16) | \
((c1) << 8) | \
((c2)))
#define xa_format_bpp(f) (((f) >> 24) )
#define xa_format_type(f) (((f) >> 16) & 0xff)
#define xa_format_a(f) (((f) >> 12) & 0x0f)
#define xa_format_r(f) (((f) >> 8) & 0x0f)
#define xa_format_g(f) (((f) >> 4) & 0x0f)
#define xa_format_b(f) (((f) ) & 0x0f)
#define xa_format_rgb(f) (((f) ) & 0xfff)
#define xa_format_c1(f) (((f) >> 8 ) & 0xff)
#define xa_format_c2(f) (((f) ) & 0xff)
#define xa_format_argb_depth(f) (xa_format_a(f) + \
xa_format_r(f) + \
xa_format_g(f) + \
xa_format_b(f))
#define xa_format_c_depth(f) (xa_format_c1(f) + \
xa_format_c2(f))
static inline int
xa_format_type_is_color(uint32_t xa_format)
{
return (xa_format_type(xa_format) < xa_type_z);
}
static inline unsigned int
xa_format_depth(uint32_t xa_format)
{
return ((xa_format_type_is_color(xa_format)) ?
xa_format_argb_depth(xa_format) : xa_format_c_depth(xa_format));
}
enum xa_formats {
xa_format_unknown = 0,
xa_format_a8 = xa_format(8, xa_type_a, 8, 0, 0, 0),
xa_format_a8r8g8b8 = xa_format(32, xa_type_argb, 8, 8, 8, 8),
xa_format_x8r8g8b8 = xa_format(32, xa_type_argb, 0, 8, 8, 8),
xa_format_r5g6b5 = xa_format(16, xa_type_argb, 0, 5, 6, 5),
xa_format_x1r5g5b5 = xa_format(16, xa_type_argb, 0, 5, 5, 5),
xa_format_z16 = xa_format_c(16, xa_type_z, 16, 0),
xa_format_z32 = xa_format_c(32, xa_type_z, 32, 0),
xa_format_z24 = xa_format_c(32, xa_type_z, 24, 0),
xa_format_x8z24 = xa_format_c(32, xa_type_sz, 24, 0),
xa_format_s8z24 = xa_format_c(32, xa_type_sz, 24, 8),
xa_format_z24x8 = xa_format_c(32, xa_type_zs, 24, 0),
xa_format_z24s8 = xa_format_c(32, xa_type_zs, 24, 8),
xa_format_yuv8 = xa_format_c(8, xa_type_yuv_component, 8, 0)
};
struct xa_tracker;
struct xa_surface;
struct xa_box {
uint16_t x1, y1, x2, y2;
};
enum xa_handle_type {
xa_handle_type_shared,
xa_handle_type_kms,
};
extern void xa_tracker_version(int *major, int *minor, int *patch);
extern struct xa_tracker *xa_tracker_create(int drm_fd);
extern void xa_tracker_destroy(struct xa_tracker *xa);
extern int xa_format_check_supported(struct xa_tracker *xa,
enum xa_formats xa_format,
unsigned int flags);
extern struct xa_surface *xa_surface_create(struct xa_tracker *xa,
int width,
int height,
int depth,
enum xa_surface_type stype,
enum xa_formats pform,
unsigned int flags);
extern struct xa_surface * xa_surface_from_handle(struct xa_tracker *xa,
int width,
int height,
int depth,
enum xa_surface_type stype,
enum xa_formats pform,
unsigned int flags,
uint32_t handle, uint32_t stride);
enum xa_formats xa_surface_format(const struct xa_surface *srf);
extern struct xa_surface *xa_surface_ref(struct xa_surface *srf);
extern void xa_surface_unref(struct xa_surface *srf);
extern int xa_surface_redefine(struct xa_surface *srf,
int width,
int height,
int depth,
enum xa_surface_type stype,
enum xa_formats rgb_format,
unsigned int new_flags,
int copy_contents);
extern int xa_surface_handle(struct xa_surface *srf,
enum xa_handle_type type,
uint32_t * handle,
unsigned int *byte_stride);
#endif
|