2 * Mesa 3-D graphics library
5 * Copyright (C) 2010-2011 LunarG Inc.
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation
10 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
11 * and/or sell copies of the Software, and to permit persons to whom the
12 * Software is furnished to do so, subject to the following conditions:
14 * The above copyright notice and this permission notice shall be included
15 * in all copies or substantial portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
22 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
23 * DEALINGS IN THE SOFTWARE.
26 * Chia-I Wu <olv@lunarg.com>
29 #include "common/egl_g3d_loader.h"
30 #include "egldriver.h"
36 #define DRIVER_MAP_GALLIUM_ONLY
37 #include "pci_ids/pci_id_driver_map.h"
43 static struct egl_g3d_loader egl_g3d_loader;
45 static struct st_module {
48 } st_modules[ST_API_COUNT];
50 static struct st_api *
51 get_st_api(enum st_api_type api)
53 struct st_module *stmod = &st_modules[api];
55 if (!stmod->initialized) {
56 stmod->stapi = egl_st_create_api(api);
57 stmod->initialized = TRUE;
64 drm_fd_get_screen_name(int fd)
68 struct udev_device *device, *parent;
71 int vendor_id, chip_id, idx = -1, i;
74 if (fstat(fd, &buf) < 0) {
75 _eglLog(_EGL_WARNING, "failed to stat fd %d", fd);
79 device = udev_device_new_from_devnum(udev, 'c', buf.st_rdev);
82 "could not create udev device for fd %d", fd);
86 parent = udev_device_get_parent(device);
88 _eglLog(_EGL_WARNING, "could not get parent device");
92 pci_id = udev_device_get_property_value(parent, "PCI_ID");
94 sscanf(pci_id, "%x:%x", &vendor_id, &chip_id) != 2) {
95 _eglLog(_EGL_WARNING, "malformed or no PCI ID");
99 /* find the driver index */
100 for (idx = 0; driver_map[idx].driver; idx++) {
101 if (vendor_id != driver_map[idx].vendor_id)
104 if (driver_map[idx].num_chips_ids == -1)
107 for (i = 0; i < driver_map[idx].num_chips_ids; i++) {
108 if (driver_map[idx].chip_ids[i] == chip_id)
114 udev_device_unref(device);
118 _eglLog((driver_map[idx].driver) ? _EGL_INFO : _EGL_WARNING,
119 "pci id for fd %d: %04x:%04x, driver %s",
120 fd, vendor_id, chip_id, driver_map[idx].driver);
122 return driver_map[idx].driver;
126 _eglLog(_EGL_WARNING, "failed to get driver name for fd %d", fd);
131 static struct pipe_screen *
132 create_drm_screen(const char *name, int fd)
135 name = drm_fd_get_screen_name(fd);
140 return egl_pipe_create_drm_screen(name, fd);
143 static struct pipe_screen *
144 create_sw_screen(struct sw_winsys *ws)
146 return egl_pipe_create_swrast_screen(ws);
149 static const struct egl_g3d_loader *
154 for (i = 0; i < ST_API_COUNT; i++)
155 egl_g3d_loader.profile_masks[i] = egl_st_get_profile_mask(i);
157 egl_g3d_loader.get_st_api = get_st_api;
158 egl_g3d_loader.create_drm_screen = create_drm_screen;
159 egl_g3d_loader.create_sw_screen = create_sw_screen;
161 return &egl_g3d_loader;
169 for (i = 0; i < ST_API_COUNT; i++) {
170 struct st_module *stmod = &st_modules[i];
173 egl_st_destroy_api(stmod->stapi);
176 stmod->initialized = FALSE;
181 egl_g3d_unload(_EGLDriver *drv)
183 egl_g3d_destroy_driver(drv);
188 _EGL_MAIN(const char *args)
190 const struct egl_g3d_loader *loader;
193 loader = loader_init();
194 drv = egl_g3d_create_driver(loader);
200 drv->Name = "Gallium";
201 drv->Unload = egl_g3d_unload;