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
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
|
Allows discovery of assets file via the LIBRETRO_ASSETS_DIRECTORY environment
variable.
Upstream-status: https://github.com/libretro/RetroArch/pull/17054
diff --git a/configuration.c b/configuration.c
index 5808a3f21c..0cc2909102 100644
--- a/configuration.c
+++ b/configuration.c
@@ -3573,6 +3573,11 @@ static bool config_load_file(global_t *global,
{
unsigned i;
char tmp_str[PATH_MAX_LENGTH];
+ char* libretro_directory = NULL;
+ char* libretro_assets_directory = NULL;
+ char* libretro_autoconfig_directory = NULL;
+ char* libretro_video_filter_directory = NULL;
+ char* libretro_video_shader_directory = NULL;
static bool first_load = true;
bool without_overrides = false;
unsigned msg_color = 0;
@@ -3848,12 +3853,6 @@ static bool config_load_file(global_t *global,
strlcpy(path_settings[i].ptr, tmp_str, PATH_MAX_LENGTH);
}
-#if !IOS
- if (config_get_path(conf, "libretro_directory", tmp_str, sizeof(tmp_str)))
- configuration_set_string(settings,
- settings->paths.directory_libretro, tmp_str);
-#endif
-
#ifdef RARCH_CONSOLE
if (conf)
video_driver_load_settings(global, conf);
@@ -3861,6 +3860,20 @@ static bool config_load_file(global_t *global,
/* Post-settings load */
+ libretro_directory = getenv("LIBRETRO_DIRECTORY");
+ if (libretro_directory) {
+ configuration_set_string(settings,
+ settings->paths.directory_libretro, libretro_directory);
+ configuration_set_string(settings,
+ settings->paths.path_libretro_info, libretro_directory);
+ }
+
+ libretro_autoconfig_directory = getenv("LIBRETRO_AUTOCONFIG_DIRECTORY");
+ if (libretro_autoconfig_directory)
+ configuration_set_string(settings,
+ settings->paths.directory_autoconfig,
+ libretro_autoconfig_directory);
+
if ( (rarch_flags & RARCH_FLAGS_HAS_SET_USERNAME)
&& (override_username))
{
@@ -4032,15 +4045,27 @@ static bool config_load_file(global_t *global,
*settings->paths.path_menu_wallpaper = '\0';
if (string_is_equal(settings->paths.path_rgui_theme_preset, "default"))
*settings->paths.path_rgui_theme_preset = '\0';
- if (string_is_equal(settings->paths.directory_video_shader, "default"))
+ libretro_video_shader_directory = getenv("LIBRETRO_VIDEO_SHADER_DIRECTORY");
+ if (libretro_video_shader_directory) { /* override configuration value */
+ configuration_set_string(settings, settings->paths.directory_video_shader,
+ libretro_video_shader_directory);
+ } else if (string_is_equal(settings->paths.directory_video_shader, "default"))
*settings->paths.directory_video_shader = '\0';
- if (string_is_equal(settings->paths.directory_video_filter, "default"))
+ libretro_video_filter_directory = getenv("LIBRETRO_VIDEO_FILTER_DIRECTORY");
+ if (libretro_video_filter_directory) { /* override configuration value */
+ configuration_set_string(settings, settings->paths.directory_video_filter,
+ libretro_video_filter_directory);
+ } else if (string_is_equal(settings->paths.directory_video_filter, "default"))
*settings->paths.directory_video_filter = '\0';
if (string_is_equal(settings->paths.directory_audio_filter, "default"))
*settings->paths.directory_audio_filter = '\0';
if (string_is_equal(settings->paths.directory_core_assets, "default"))
*settings->paths.directory_core_assets = '\0';
- if (string_is_equal(settings->paths.directory_assets, "default"))
+ libretro_assets_directory = getenv("LIBRETRO_ASSETS_DIRECTORY");
+ if (libretro_assets_directory) { /* override configuration value */
+ configuration_set_string(settings,
+ settings->paths.directory_assets, libretro_assets_directory);
+ } else if (string_is_equal(settings->paths.directory_assets, "default"))
*settings->paths.directory_assets = '\0';
#ifdef _3DS
if (string_is_equal(settings->paths.directory_bottom_assets, "default"))
diff --git a/docs/retroarch.6 b/docs/retroarch.6
index 7478040e17..f864e0e0d5 100644
--- a/docs/retroarch.6
+++ b/docs/retroarch.6
@@ -1,6 +1,6 @@
.\" retroarch.6:
-.TH "RETROARCH" "6" "November 1, 2011" "RETROARCH" "System Manager's Manual: retroarch"
+.TH "RETROARCH" "6" "September 28, 2024" "RETROARCH" "System Manager's Manual: retroarch"
.SH NAME
@@ -239,3 +239,36 @@ Disables all kinds of content patching.
.TP
\fB-D, --detach\fR
Detach from the current console. This is currently only relevant for Microsoft Windows.
+
+.SH ENVIRONMENT
+\fBretroarch\fR honors the following environment variables:
+
+.TP
+\fBLIBRETRO_DIRECTORY\fR
+Specify the directory where RetroArch looks for core and info files,
+overriding the value of the "libretro_directory" configuration file
+option.
+
+.TP
+\fBLIBRETRO_ASSETS_DIRECTORY\fR
+Specify the directory where RetroArch looks for assets, overriding
+the value of the "assets_directory" configuration file
+option.
+
+.TP
+\fBLIBRETRO_AUTOCONFIG_DIRECTORY\fR
+Specify the directory where RetroArch looks for controller
+auto-configuration files, overriding the value of the
+"joypad_autoconfig_dir" configuration file option.
+
+.TP
+\fBLIBRETRO_VIDEO_FILTER_DIRECTORY\fR
+Specify the directory where RetroArch looks for video filters,
+overriding the value of the "video_filter_dir" configuration file
+option.
+
+.TP
+\fBLIBRETRO_VIDEO_SHADER_DIRECTORY\fR
+Specify the directory where RetroArch looks for video shaders,
+overriding the value of the "video_shader_dir" configuration file
+option.
diff --git a/frontend/drivers/platform_unix.c b/frontend/drivers/platform_unix.c
index c157d355a1..ddf0b5ca87 100644
--- a/frontend/drivers/platform_unix.c
+++ b/frontend/drivers/platform_unix.c
@@ -1324,6 +1324,10 @@ static void frontend_unix_get_env(int *argc,
{
unsigned i;
const char* libretro_directory = getenv("LIBRETRO_DIRECTORY");
+ const char* libretro_assets_directory = getenv("LIBRETRO_ASSETS_DIRECTORY");
+ const char* libretro_autoconfig_directory = getenv("LIBRETRO_AUTOCONFIG_DIRECTORY");
+ const char* libretro_video_filter_directory = getenv("LIBRETRO_VIDEO_FILTER_DIRECTORY");
+ const char* libretro_video_shader_directory = getenv("LIBRETRO_VIDEO_SHADER_DIRECTORY");
#ifdef ANDROID
int32_t major, minor, rel;
char device_model[PROP_VALUE_MAX] = {0};
@@ -1765,12 +1769,20 @@ static void frontend_unix_get_env(int *argc,
"cores", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
else
#endif
- fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE_INFO], base_path,
- "cores", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
+ if (!string_is_empty(libretro_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_CORE_INFO], libretro_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
+ else
+ fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CORE_INFO], base_path,
+ "cores", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
#endif
- fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG], base_path,
- "autoconfig", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
-
+ if (!string_is_empty(libretro_autoconfig_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG],
+ libretro_autoconfig_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
+ else
+ fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG], base_path,
+ "autoconfig", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
#ifdef ASSETS_DIR
if (path_is_directory(ASSETS_DIR "/assets"))
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_ASSETS],
@@ -1778,7 +1790,10 @@ static void frontend_unix_get_env(int *argc,
"assets", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
else
#endif
- if (path_is_directory("/usr/local/share/retroarch/assets"))
+ if (!string_is_empty(libretro_assets_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_ASSETS], libretro_assets_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
+ else if (path_is_directory("/usr/local/share/retroarch/assets"))
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_ASSETS],
"/usr/local/share/retroarch",
"assets", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
@@ -1838,7 +1853,11 @@ static void frontend_unix_get_env(int *argc,
"filters/video", sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
else
#endif
- if (path_is_directory("/usr/local/share/retroarch/filters/video"))
+ if (!string_is_empty(libretro_video_filter_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER],
+ libretro_video_filter_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
+ else if (path_is_directory("/usr/local/share/retroarch/filters/video"))
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER],
"/usr/local/share/retroarch",
"filters/video", sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
@@ -1872,8 +1891,13 @@ static void frontend_unix_get_env(int *argc,
"records", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_DATABASE], base_path,
"database/rdb", sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
- fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SHADER], base_path,
- "shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
+ if (!string_is_empty(libretro_video_shader_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_SHADER],
+ libretro_video_shader_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
+ else
+ fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_SHADER], base_path,
+ "shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_CHEATS], base_path,
"cheats", sizeof(g_defaults.dirs[DEFAULT_DIR_CHEATS]));
fill_pathname_join(g_defaults.dirs[DEFAULT_DIR_OVERLAY], base_path,
diff --git a/frontend/drivers/platform_win32.c b/frontend/drivers/platform_win32.c
index 26ed25c04f..0cc9a9dc95 100644
--- a/frontend/drivers/platform_win32.c
+++ b/frontend/drivers/platform_win32.c
@@ -565,24 +565,38 @@ static void frontend_win32_env_get(int *argc, char *argv[],
{
const char *tmp_dir = getenv("TMP");
const char *libretro_directory = getenv("LIBRETRO_DIRECTORY");
+ const char *libretro_assets_directory = getenv("LIBRETRO_ASSETS_DIRECTORY");
+ const char* libretro_autoconfig_directory = getenv("LIBRETRO_AUTOCONFIG_DIRECTORY");
+ const char* libretro_video_filter_directory = getenv("LIBRETRO_VIDEO_FILTER_DIRECTORY");
+ const char* libretro_video_shader_directory = getenv("LIBRETRO_VIDEO_SHADER_DIRECTORY");
if (!string_is_empty(tmp_dir))
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CACHE],
tmp_dir, sizeof(g_defaults.dirs[DEFAULT_DIR_CACHE]));
gfx_set_dwm();
- fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_ASSETS],
- ":\\assets", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
+ if (!string_is_empty(libretro_assets_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_ASSETS], libretro_assets_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
+ else
+ fill_pathname_expand_special(
+ g_defaults.dirs[DEFAULT_DIR_ASSETS],
+ ":\\assets", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_AUDIO_FILTER],
":\\filters\\audio", sizeof(g_defaults.dirs[DEFAULT_DIR_AUDIO_FILTER]));
- fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER],
- ":\\filters\\video", sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
+ if (!string_is_empty(libretro_video_filter_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER],
+ libretro_video_filter_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
+ else
+ fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER],
+ ":\\filters\\video", sizeof(g_defaults.dirs[DEFAULT_DIR_VIDEO_FILTER]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CHEATS],
":\\cheats", sizeof(g_defaults.dirs[DEFAULT_DIR_CHEATS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_DATABASE],
":\\database\\rdb", sizeof(g_defaults.dirs[DEFAULT_DIR_DATABASE]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_PLAYLIST],
- ":\\playlists", sizeof(g_defaults.dirs[DEFAULT_DIR_ASSETS]));
+ ":\\playlists", sizeof(g_defaults.dirs[DEFAULT_DIR_PLAYLIST]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_RECORD_CONFIG],
":\\config\\record", sizeof(g_defaults.dirs[DEFAULT_DIR_RECORD_CONFIG]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_RECORD_OUTPUT],
@@ -605,12 +619,26 @@ static void frontend_win32_env_get(int *argc, char *argv[],
else
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CORE],
":\\cores", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE]));
- fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CORE_INFO],
- ":\\info", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
- fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG],
- ":\\autoconfig", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
- fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SHADER],
- ":\\shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
+ if (!string_is_empty(libretro_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_CORE_INFO], libretro_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
+ else
+ fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CORE_INFO],
+ ":\\info", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_INFO]));
+ if (!string_is_empty(libretro_autoconfig_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG],
+ libretro_autoconfig_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
+ else
+ fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG],
+ ":\\autoconfig", sizeof(g_defaults.dirs[DEFAULT_DIR_AUTOCONFIG]));
+ if (!string_is_empty(libretro_video_filter_directory))
+ strlcpy(g_defaults.dirs[DEFAULT_DIR_SHADER],
+ libretro_video_shader_directory,
+ sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
+ else
+ fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SHADER],
+ ":\\shaders", sizeof(g_defaults.dirs[DEFAULT_DIR_SHADER]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS],
":\\downloads", sizeof(g_defaults.dirs[DEFAULT_DIR_CORE_ASSETS]));
fill_pathname_expand_special(g_defaults.dirs[DEFAULT_DIR_SCREENSHOT],
|
