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main/extensions: Build list of extensions that can't be disabled

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This will allow us to utilize the early MESA_EXTENSION_OVERRIDE
parsing at the later extension string initialization step.

Signed-off-by: Jordan Justen <jordan.l.justen@intel.com>
Reviewed-by: Anuj Phogat <anuj.phogat@gmail.com>
This commit is contained in:
Jordan Justen 2014-06-08 13:40:31 -07:00
parent 863f57ee1b
commit ac3e2efeff
1 changed files with 20 additions and 5 deletions
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25
src/mesa/main/extensions.c
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@ -40,6 +40,7 @@
struct gl_extensions _mesa_extension_override_enables;
struct gl_extensions _mesa_extension_override_disables;
static char *extra_extensions = NULL;
static char *cant_disable_extensions = NULL;
enum {
DISABLE = 0,
@ -592,15 +593,16 @@ get_extension_override( struct gl_context *ctx )
/**
* \brief Free extra_extensions string
* \brief Free extra_extensions and cant_disable_extensions strings
*
* This string is allocated early during the first context creation by
* These strings are allocated early during the first context creation by
* _mesa_one_time_init_extension_overrides.
*/
static void
free_unknown_extensions_strings(void)
{
free(extra_extensions);
free(cant_disable_extensions);
}
@ -629,6 +631,7 @@ _mesa_one_time_init_extension_overrides(void)
/* extra_exts: List of unrecognized extensions. */
extra_extensions = calloc(ALIGN(strlen(env_const) + 2, 4), sizeof(char));
cant_disable_extensions = calloc(ALIGN(strlen(env_const) + 2, 4), sizeof(char));
/* Copy env_const because strtok() is destructive. */
env = strdup(env_const);
@ -657,9 +660,14 @@ _mesa_one_time_init_extension_overrides(void)
recognized = false;
}
if (!recognized && enable) {
strcat(extra_extensions, ext);
strcat(extra_extensions, " ");
if (!recognized) {
if (enable) {
strcat(extra_extensions, ext);
strcat(extra_extensions, " ");
} else if (offset == o(dummy_true)) {
strcat(cant_disable_extensions, ext);
strcat(cant_disable_extensions, " ");
}
}
}
@ -673,6 +681,13 @@ _mesa_one_time_init_extension_overrides(void)
} else if (extra_extensions[len - 1] == ' ') {
extra_extensions[len - 1] = '\0';
}
len = strlen(cant_disable_extensions);
if (len == 0) {
free(cant_disable_extensions);
cant_disable_extensions = NULL;
} else if (cant_disable_extensions[len - 1] == ' ') {
cant_disable_extensions[len - 1] = '\0';
}
}