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mesa: Allow extensions in MESA_EXTENSION_OVERRIDE to be prefixed with '+'

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If an extension is prefixed with '+', attempt to enable it.  This
introduces symmetry with the prefix '-', which is already allowed.
This commit is contained in:
Chad Versace 2011-01-27 01:40:47 -08:00
parent 7cbcf4c583
commit ad3dc370d8
1 changed files with 5 additions and 0 deletions
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5
src/mesa/main/extensions.c
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@ -735,6 +735,7 @@ _mesa_extension_is_enabled( struct gl_context *ctx, const char *name )
*
* \c MESA_EXTENSION_OVERRIDE is a space-separated list of extensions to
* enable or disable. The list is processed thus:
* - Enable recognized extension names that are prefixed with '+'.
* - Disable recognized extension names that are prefixed with '-'.
* - Enable recognized extension names that are not prefixed.
* - Collect unrecognized extension names in a new string.
@ -761,6 +762,10 @@ get_extension_override( struct gl_context *ctx )
for (ext = strtok(env, " "); ext != NULL; ext = strtok(NULL, " ")) {
int enable;
switch (ext[0]) {
case '+':
enable = 1;
++ext;
break;
case '-':
enable = 0;
++ext;