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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
/**************************************************************************
*
* Copyright 2012 Francisco Jerez
* 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 above copyright notice and this permission notice (including the
* next paragraph) 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE 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.
*
**************************************************************************/
/**
* \file Library that provides device enumeration and creation of
* winsys/pipe_screen instances.
*/
#ifndef PIPE_LOADER_H
#define PIPE_LOADER_H
#include "pipe/p_compiler.h"
#include "state_tracker/drm_driver.h"
#include "util/xmlconfig.h"
#ifdef __cplusplus
extern "C" {
#endif
struct pipe_screen;
struct drisw_loader_funcs;
enum pipe_loader_device_type {
PIPE_LOADER_DEVICE_SOFTWARE,
PIPE_LOADER_DEVICE_PCI,
PIPE_LOADER_DEVICE_PLATFORM,
NUM_PIPE_LOADER_DEVICE_TYPES
};
/**
* A device known to the pipe loader.
*/
struct pipe_loader_device {
enum pipe_loader_device_type type;
union {
struct {
int vendor_id;
int chip_id;
} pci;
} u; /**< Discriminated by \a type */
char *driver_name;
const struct pipe_loader_ops *ops;
driOptionCache option_cache;
driOptionCache option_info;
};
/**
* Get a list of known devices.
*
* \param devs Array that will be filled with pointers to the devices
* available in the system.
* \param ndev Maximum number of devices to return.
* \return Number of devices available in the system.
*/
int
pipe_loader_probe(struct pipe_loader_device **devs, int ndev);
/**
* Create a pipe_screen for the specified device.
*
* \param dev Device the screen will be created for.
*/
struct pipe_screen *
pipe_loader_create_screen(struct pipe_loader_device *dev);
/**
* Ensure that dev->option_cache is initialized appropriately for the driver.
*
* This function can be called multiple times.
*
* \param dev Device for which options should be loaded.
*/
void
pipe_loader_load_options(struct pipe_loader_device *dev);
/**
* Get the driinfo XML string used by the given driver.
*
* The returned string is heap-allocated.
*/
char *
pipe_loader_get_driinfo_xml(const char *driver_name);
/**
* Release resources allocated for a list of devices.
*
* Should be called when the specified devices are no longer in use to
* release any resources allocated by pipe_loader_probe.
*
* \param devs Devices to release.
* \param ndev Number of devices to release.
*/
void
pipe_loader_release(struct pipe_loader_device **devs, int ndev);
/**
* Initialize sw dri device give the drisw_loader_funcs.
*
* This function is platform-specific.
*
* Function does not take ownership of the fd, but duplicates it locally.
* The local fd is closed during pipe_loader_release.
*
* \sa pipe_loader_probe
*/
bool
pipe_loader_sw_probe_dri(struct pipe_loader_device **devs,
const struct drisw_loader_funcs *drisw_lf);
/**
* Initialize a kms backed sw device given an fd.
*
* This function is platform-specific.
*
* Function does not take ownership of the fd, but duplicates it locally.
* The local fd is closed during pipe_loader_release.
*
* \sa pipe_loader_probe
*/
bool
pipe_loader_sw_probe_kms(struct pipe_loader_device **devs, int fd);
/**
* Initialize a null sw device.
*
* This function is platform-specific.
*
* \sa pipe_loader_probe
*/
bool
pipe_loader_sw_probe_null(struct pipe_loader_device **devs);
/**
* Get a list of known software devices.
*
* This function is platform-specific.
*
* \sa pipe_loader_probe
*/
int
pipe_loader_sw_probe(struct pipe_loader_device **devs, int ndev);
/**
* Get a software device wrapped atop another device.
*
* This function is platform-specific.
*
* \sa pipe_loader_probe
*/
boolean
pipe_loader_sw_probe_wrapped(struct pipe_loader_device **dev,
struct pipe_screen *screen);
/**
* Get a list of known DRM devices.
*
* This function is platform-specific.
*
* \sa pipe_loader_probe
*/
int
pipe_loader_drm_probe(struct pipe_loader_device **devs, int ndev);
/**
* Initialize a DRM device in an already opened fd.
*
* This function is platform-specific.
*
* \sa pipe_loader_probe
*/
bool
pipe_loader_drm_probe_fd(struct pipe_loader_device **dev, int fd);
/**
* Get the driinfo XML used for the DRM driver of the given name, if any.
*
* The returned string is heap-allocated.
*/
char *
pipe_loader_drm_get_driinfo_xml(const char *driver_name);
extern const char gallium_driinfo_xml[];
#ifdef __cplusplus
}
#endif
#endif /* PIPE_LOADER_H */
|
