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-rw-r--r--src/gallium/auxiliary/util/u_format_s3tc.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/gallium/auxiliary/util/u_format_s3tc.c b/src/gallium/auxiliary/util/u_format_s3tc.c
index bb989c29d81..d8a7c0d453f 100644
--- a/src/gallium/auxiliary/util/u_format_s3tc.c
+++ b/src/gallium/auxiliary/util/u_format_s3tc.c
@@ -119,8 +119,15 @@ util_format_s3tc_init(void)
library = util_dl_open(DXTN_LIBNAME);
if (!library) {
- debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn "
- "compression/decompression unavailable\n");
+ if (getenv("force_s3tc_enable") &&
+ !strcmp(getenv("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;
+ } else {
+ debug_printf("couldn't open " DXTN_LIBNAME ", software DXTn "
+ "compression/decompression unavailable\n");
+ }
return;
}