1 /**************************************************************************
3 * Copyright 2012 Francisco Jerez
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 * \file Library that provides device enumeration and creation of
30 * winsys/pipe_screen instances.
36 #include "pipe/p_compiler.h"
38 #ifdef HAVE_WINSYS_XLIB
47 struct drisw_loader_funcs
;
49 enum pipe_loader_device_type
{
50 PIPE_LOADER_DEVICE_SOFTWARE
,
51 PIPE_LOADER_DEVICE_PCI
,
52 PIPE_LOADER_DEVICE_PLATFORM
,
53 NUM_PIPE_LOADER_DEVICE_TYPES
57 * A device known to the pipe loader.
59 struct pipe_loader_device
{
60 enum pipe_loader_device_type type
;
67 } u
; /**< Discriminated by \a type */
69 const char *driver_name
;
70 const struct pipe_loader_ops
*ops
;
74 * Get a list of known devices.
76 * \param devs Array that will be filled with pointers to the devices
77 * available in the system.
78 * \param ndev Maximum number of devices to return.
79 * \return Number of devices available in the system.
82 pipe_loader_probe(struct pipe_loader_device
**devs
, int ndev
);
85 * Create a pipe_screen for the specified device.
87 * \param dev Device the screen will be created for.
88 * \param library_paths Colon-separated list of filesystem paths that
89 * will be used to look for the pipe driver
90 * module that handles this device.
93 pipe_loader_create_screen(struct pipe_loader_device
*dev
,
94 const char *library_paths
);
97 * Release resources allocated for a list of devices.
99 * Should be called when the specified devices are no longer in use to
100 * release any resources allocated by pipe_loader_probe.
102 * \param devs Devices to release.
103 * \param ndev Number of devices to release.
106 pipe_loader_release(struct pipe_loader_device
**devs
, int ndev
);
108 #ifdef HAVE_WINSYS_XLIB
111 * Initialize Xlib for an associated display.
113 * This function is platform-specific.
115 * \sa pipe_loader_probe
118 pipe_loader_sw_probe_xlib(struct pipe_loader_device
**devs
, Display
*display
);
123 * Initialize sw dri device give the drisw_loader_funcs.
125 * This function is platform-specific.
127 * \sa pipe_loader_probe
130 pipe_loader_sw_probe_dri(struct pipe_loader_device
**devs
,
131 struct drisw_loader_funcs
*drisw_lf
);
135 * Initialize a null sw device.
137 * This function is platform-specific.
139 * \sa pipe_loader_probe
142 pipe_loader_sw_probe_null(struct pipe_loader_device
**devs
);
145 * Get a list of known software devices.
147 * This function is platform-specific.
149 * \sa pipe_loader_probe
152 pipe_loader_sw_probe(struct pipe_loader_device
**devs
, int ndev
);
154 #ifdef HAVE_PIPE_LOADER_DRM
157 * Get a list of known DRM devices.
159 * This function is platform-specific.
161 * \sa pipe_loader_probe
164 pipe_loader_drm_probe(struct pipe_loader_device
**devs
, int ndev
);
167 * Initialize a DRM device in an already opened fd.
169 * This function is platform-specific.
171 * \sa pipe_loader_probe
173 * \param auth_x If true, the pipe-loader will attempt to
174 * authenticate with the X server.
177 pipe_loader_drm_probe_fd(struct pipe_loader_device
**dev
, int fd
,
186 #endif /* PIPE_LOADER_H */