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u_format_s3tc.c: Don't call getenv() twice 

Reviewed-by: Brian Paul <brianp@vmware.com>
This commit is contained in:
Matt Turner 2012-10-10 15:34:59 -07:00
parent 60565b564b
commit fb85b204d3
1 changed files with 3 additions and 2 deletions
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5
src/gallium/auxiliary/util/u_format_s3tc.c
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@ -109,6 +109,7 @@ util_format_s3tc_init(void)
util_dl_proc fetch_2d_texel_rgba_dxt3;
util_dl_proc fetch_2d_texel_rgba_dxt5;
util_dl_proc tx_compress_dxtn;
char *force_s3tc_enable;
if (!first_time)
return;
@ -119,8 +120,8 @@ util_format_s3tc_init(void)
library = util_dl_open(DXTN_LIBNAME);
if (!library) {
if (getenv("force_s3tc_enable") &&
!strcmp(getenv("force_s3tc_enable"), "true")) {
if ((force_s3tc_enable = getenv("force_s3tc_enable")) &&
!strcmp(force_s3tc_enable, "true")) {
debug_printf("couldn't open " DXTN_LIBNAME ", enabling DXTn due to "
"force_s3tc_enable=true environment variable\n");
util_format_s3tc_enabled = TRUE;