r600g: fix linear and flat interpolation

[mesa.git] / src / gallium / auxiliary / util / u_format_s3tc.c

diff --git a/src/gallium/auxiliary/util/u_format_s3tc.c b/src/gallium/auxiliary/util/u_format_s3tc.c
index 5b279b8fe26b7a1df252161e00ccb62c581d40e6..d8a7c0d453fdc37790873bf534bcd926ea2fdeb2 100644 (file)
--- 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");
+      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;
    }
 
@@ -142,7 +149,7 @@ util_format_s3tc_init(void)
        !util_format_dxtn_pack) {
       debug_printf("couldn't reference all symbols in " DXTN_LIBNAME
                    ", software DXTn compression/decompression "
-                   "unavailable");
+                   "unavailable\n");
       util_dl_close(library);
       return;
    }