Annotation of /trunk/opengl-update/dri-update.sh
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Wed Oct 5 11:17:13 2011 UTC (12 years, 11 months ago) by niro
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Wed Oct 5 11:17:13 2011 UTC (12 years, 11 months ago) by niro
File MIME type: application/x-sh
File size: 5231 byte(s)
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1 | niro | 1326 | #!/bin/bash |
2 | # Copyright 2011 Magellan-Linux | ||
3 | # Distributed under the terms of the GNU General Public License v2 | ||
4 | # $Id$ | ||
5 | # Author: Niels Rogalla <niro@magellan-linux.de> | ||
6 | # based on opengl-update from Gentoo-Linux | ||
7 | # | ||
8 | |||
9 | source /etc/init.d/functions | ||
10 | |||
11 | hasq() | ||
12 | { | ||
13 | local x | ||
14 | |||
15 | local me=${1} | ||
16 | shift | ||
17 | |||
18 | for x in $@ | ||
19 | do | ||
20 | [[ ${x} = ${me} ]] && return 0 | ||
21 | done | ||
22 | |||
23 | return 1 | ||
24 | } | ||
25 | |||
26 | check_user() | ||
27 | { | ||
28 | if [[ $(id -u) -ne 0 ]] | ||
29 | then | ||
30 | echo "${0}: Must be run as root." | ||
31 | exit 1 | ||
32 | fi | ||
33 | } | ||
34 | |||
35 | get_current_implem() | ||
36 | { | ||
37 | local implem | ||
38 | |||
39 | if [[ -f ${ENV_D} ]] | ||
40 | then | ||
41 | source ${ENV_D} | ||
42 | if [[ -n ${DRI_PROFILE} ]] | ||
43 | then | ||
44 | implem="${DRI_PROFILE}" | ||
45 | fi | ||
46 | unset DRI_PROFILE | ||
47 | fi | ||
48 | |||
49 | echo ${implem} | ||
50 | } | ||
51 | |||
52 | get_implementations() | ||
53 | { | ||
54 | local implems | ||
55 | |||
56 | for dir in ${PREFIX}/lib{,32,64}/mesa/* | ||
57 | do | ||
58 | if [[ -d ${dir} ]] && | ||
59 | ! hasq ${dir##*/} ${implems} | ||
60 | then | ||
61 | implems=${implems:+${implems} }${dir##*/} | ||
62 | fi | ||
63 | done | ||
64 | |||
65 | echo ${implems} | ||
66 | } | ||
67 | |||
68 | print_version() | ||
69 | { | ||
70 | echo "dri-update ${VERSION}" | ||
71 | } | ||
72 | |||
73 | print_usage() | ||
74 | { | ||
75 | # Get grammar right in message | ||
76 | local IS_ARE IMPLEM_PLURAL | ||
77 | |||
78 | if [[ $(echo ${AVAIL_IMPLEMS} | wc -w) -eq 1 ]] | ||
79 | then | ||
80 | IS_ARE="is" | ||
81 | IMPLEM_PLURAL="" | ||
82 | else | ||
83 | IS_ARE="are" | ||
84 | IMPLEM_PLURAL="s" | ||
85 | fi | ||
86 | |||
87 | print_version | ||
88 | |||
89 | cat << FOO | ||
90 | Usage: ${0##*/} [<options>] <DRI implementation> | ||
91 | Set the dri implementation. | ||
92 | Valid options: | ||
93 | --help|-h|-?: Prints this help. | ||
94 | --version: Shows the version of this utility. | ||
95 | --use-old: If an implementation is already set, use that one. | ||
96 | --prefix=<val>: Set the source prefix (default: /usr) | ||
97 | --dst-prefix=<val>: Set the destination prefix (default: /usr) | ||
98 | |||
99 | Usage: ${0##*/} --get-implementation | ||
100 | Print the current implementaion | ||
101 | |||
102 | This utility switches between DRI implementations. There ${IS_ARE} | ||
103 | $(echo ${AVAIL_IMPLEMS} | wc -w) available implementation${IMPLEM_PLURAL}: ${AVAIL_IMPLEMS} | ||
104 | |||
105 | Examples: | ||
106 | ${0##*/} classic | ||
107 | This will setup things to use the classic DRI drivers. | ||
108 | |||
109 | ${0##*/} gallium | ||
110 | This will setup things to use the gallium DRI drivers. | ||
111 | |||
112 | FOO | ||
113 | exit 1 | ||
114 | } | ||
115 | |||
116 | parse_options() | ||
117 | { | ||
118 | local opt | ||
119 | |||
120 | while [[ ${#} -gt 0 ]] | ||
121 | do | ||
122 | opt=${1} | ||
123 | shift | ||
124 | case ${opt} in | ||
125 | --use-old) | ||
126 | if [[ -n ${ACTION} ]] | ||
127 | then | ||
128 | ACTION="error" | ||
129 | echo "Invalid usage." | ||
130 | else | ||
131 | if [[ -n "${CURRENT_DRI_IMPLEM}" ]] && | ||
132 | hasq ${CURRENT_DRI_IMPLEM} ${AVAIL_IMPLEMS} | ||
133 | then | ||
134 | ACTION="old-implementation" | ||
135 | fi | ||
136 | fi | ||
137 | ;; | ||
138 | |||
139 | --get-implementation) | ||
140 | if [[ -n ${ACTION} ]] | ||
141 | then | ||
142 | ACTION="error" | ||
143 | echo "Invalid usage." | ||
144 | else | ||
145 | ACTION="get-implementation" | ||
146 | fi | ||
147 | ;; | ||
148 | |||
149 | --prefix=*) | ||
150 | PREFIX=${opt#*=} | ||
151 | AVAIL_IMPLEMS=$(get_implementations) | ||
152 | ;; | ||
153 | |||
154 | --dst-prefix=*) DST_PREFIX=${opt#*=} ;; | ||
155 | |||
156 | --help|-h|-?) ACTION="usage" ;; | ||
157 | |||
158 | --version) ACTION="version" ;; | ||
159 | |||
160 | *) | ||
161 | if hasq ${opt} ${AVAIL_IMPLEMS} | ||
162 | then | ||
163 | if [[ ${ACTION} != old-implementation ]] | ||
164 | then | ||
165 | if [[ -n ${ACTION} ]] | ||
166 | then | ||
167 | ACTION="error" | ||
168 | echo "Invalid usage." | ||
169 | else | ||
170 | ACTION="set-implementation" | ||
171 | NEW_DRI_IMPLEM="${opt}" | ||
172 | fi | ||
173 | fi | ||
174 | else | ||
175 | echo "Unrecognized option: ${opt}" | ||
176 | ACTION="error" | ||
177 | fi | ||
178 | ;; | ||
179 | esac | ||
180 | done | ||
181 | } | ||
182 | |||
183 | set_new_implementation() | ||
184 | { | ||
185 | local DRI_IMPLEM=${1} | ||
186 | local DRI_LOCAL | ||
187 | |||
188 | check_user | ||
189 | |||
190 | # Set a sane umask... bug #83115 | ||
191 | umask 022 | ||
192 | |||
193 | if ! hasq ${DRI_IMPLEM} ${AVAIL_IMPLEMS} | ||
194 | then | ||
195 | echo "Invalid profile selected." | ||
196 | exit 1 | ||
197 | fi | ||
198 | |||
199 | echo "Switching to ${DRI_IMPLEM} DRI drivers" | ||
200 | |||
201 | rm -f ${ENV_D} &> /dev/null | ||
202 | |||
203 | LIBDIRS="lib32 lib lib64" | ||
204 | for LIBDIR in ${LIBDIRS} | ||
205 | do | ||
206 | # Special case handling of lib32 because it can be a symlink to | ||
207 | # emul libs | ||
208 | if [[ ${LIBDIR} = lib32 ]] | ||
209 | then | ||
210 | [[ -d ${PREFIX}/${LIBDIR}/mesa ]] || continue | ||
211 | else | ||
212 | [[ -d ${PREFIX}/${LIBDIR}/mesa ]] && | ||
213 | [[ ! -h ${PREFIX}/${LIBDIR} ]] || continue | ||
214 | fi | ||
215 | |||
216 | # Fallback on classic if we don't have this implementation for this LIBDIR. | ||
217 | if [[ ! -d ${PREFIX}/${LIBDIR}/mesa/${DRI_IMPLEM} ]] | ||
218 | then | ||
219 | DRI_LOCAL="classic" | ||
220 | else | ||
221 | DRI_LOCAL="${DRI_IMPLEM}" | ||
222 | fi | ||
223 | |||
224 | mkdir -p ${DST_PREFIX}/${LIBDIR}/dri | ||
225 | pushd ${DST_PREFIX}/${LIBDIR}/dri &> /dev/null | ||
226 | # First remove old symlinks | ||
227 | for file in *_dri.so | ||
228 | do | ||
229 | [[ -h ${file} ]] && rm -f ${file} | ||
230 | done | ||
231 | |||
232 | for file in ${PREFIX}/${LIBDIR}/mesa/${DRI_LOCAL}/*_dri.so | ||
233 | do | ||
234 | [[ -f ${file} ]] || continue | ||
235 | [[ -f ${file##*/} ]] && rm -f ${file##*/} | ||
236 | |||
237 | ln -s ${file} | ||
238 | done | ||
239 | popd &> /dev/null | ||
240 | done | ||
241 | |||
242 | echo "DRI_PROFILE=\"${DRI_IMPLEM}\"" >> ${ENV_D} | ||
243 | |||
244 | env-rebuild | ||
245 | |||
246 | return 0 | ||
247 | } | ||
248 | |||
249 | ## START PROGRAM ## | ||
250 | |||
251 | ENV_D="/etc/env.d/03dri" | ||
252 | NEW_DRI_IMPLEM="" | ||
253 | ACTION="" | ||
254 | PREFIX="/usr" | ||
255 | DST_PREFIX="/usr" | ||
256 | AVAIL_IMPLEMS=$(get_implementations) | ||
257 | CURRENT_DRI_IMPLEM=$(get_current_implem) | ||
258 | VERSION="@@VERSION@@" | ||
259 | |||
260 | parse_options ${@} | ||
261 | |||
262 | case ${ACTION} in | ||
263 | get-implementation) | ||
264 | if [[ -n ${CURRENT_DRI_IMPLEM} ]] | ||
265 | then | ||
266 | echo ${CURRENT_DRI_IMPLEM} | ||
267 | exit 0 | ||
268 | else | ||
269 | exit 2 | ||
270 | fi | ||
271 | ;; | ||
272 | |||
273 | old-implementation) | ||
274 | set_new_implementation ${CURRENT_DRI_IMPLEM} | ||
275 | exit $? | ||
276 | ;; | ||
277 | |||
278 | set-implementation) | ||
279 | if [[ -n ${NEW_DRI_IMPLEM} ]] | ||
280 | then | ||
281 | set_new_implementation ${NEW_DRI_IMPLEM} | ||
282 | exit $? | ||
283 | else | ||
284 | print_usage | ||
285 | exit 1 | ||
286 | fi | ||
287 | ;; | ||
288 | |||
289 | version) | ||
290 | print_version | ||
291 | exit 0 | ||
292 | ;; | ||
293 | |||
294 | usage) | ||
295 | print_usage | ||
296 | exit 0 | ||
297 | ;; | ||
298 | |||
299 | error) | ||
300 | print_usage | ||
301 | exit 1 | ||
302 | ;; | ||
303 | |||
304 | *) | ||
305 | print_usage | ||
306 | exit 1 | ||
307 | ;; | ||
308 | esac |