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
|
/**************************************************************************
*
* Copyright 2010 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, sub license, 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 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 NON-INFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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 above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
**************************************************************************/
/**
* @file
* Null software rasterizer winsys.
*
* There is no present support. Framebuffer data needs to be obtained via
* transfers.
*
* @author Jose Fonseca
*/
#include "pipe/p_format.h"
#include "util/u_memory.h"
#include "state_tracker/sw_winsys.h"
#include "null_sw_winsys.h"
static boolean
null_sw_is_displaytarget_format_supported(struct sw_winsys *ws,
unsigned tex_usage,
enum pipe_format format )
{
return FALSE;
}
static void *
null_sw_displaytarget_map(struct sw_winsys *ws,
struct sw_displaytarget *dt,
unsigned flags )
{
assert(0);
return NULL;
}
static void
null_sw_displaytarget_unmap(struct sw_winsys *ws,
struct sw_displaytarget *dt )
{
assert(0);
}
static void
null_sw_displaytarget_destroy(struct sw_winsys *winsys,
struct sw_displaytarget *dt)
{
assert(0);
}
static struct sw_displaytarget *
null_sw_displaytarget_create(struct sw_winsys *winsys,
unsigned tex_usage,
enum pipe_format format,
unsigned width, unsigned height,
unsigned alignment,
unsigned *stride)
{
return NULL;
}
static struct sw_displaytarget *
null_sw_displaytarget_from_handle(struct sw_winsys *winsys,
const struct pipe_resource *templet,
struct winsys_handle *whandle,
unsigned *stride)
{
return NULL;
}
static boolean
null_sw_displaytarget_get_handle(struct sw_winsys *winsys,
struct sw_displaytarget *dt,
struct winsys_handle *whandle)
{
assert(0);
return FALSE;
}
static void
null_sw_displaytarget_display(struct sw_winsys *winsys,
struct sw_displaytarget *dt,
void *context_private)
{
assert(0);
}
static void
null_sw_destroy(struct sw_winsys *winsys)
{
FREE(winsys);
}
struct sw_winsys *
null_sw_create(void)
{
static struct sw_winsys *winsys;
winsys = CALLOC_STRUCT(sw_winsys);
if (!winsys)
return NULL;
winsys->destroy = null_sw_destroy;
winsys->is_displaytarget_format_supported = null_sw_is_displaytarget_format_supported;
winsys->displaytarget_create = null_sw_displaytarget_create;
winsys->displaytarget_from_handle = null_sw_displaytarget_from_handle;
winsys->displaytarget_get_handle = null_sw_displaytarget_get_handle;
winsys->displaytarget_map = null_sw_displaytarget_map;
winsys->displaytarget_unmap = null_sw_displaytarget_unmap;
winsys->displaytarget_display = null_sw_displaytarget_display;
winsys->displaytarget_destroy = null_sw_displaytarget_destroy;
return winsys;
}
|
