2 files changed, 8 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c
index 8b6e66e968c..3387d3a047f 100644
--- a/src/gallium/drivers/llvmpipe/lp_screen.c
+++ b/src/gallium/drivers/llvmpipe/lp_screen.c
@@ -453,6 +453,10 @@ llvmpipe_is_format_supported( struct pipe_screen *_screen,
       return FALSE;
    }
 
+   if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
+       format != PIPE_FORMAT_ETC1_RGB8)
+      return FALSE;
+
    if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
       return util_format_s3tc_enabled;
    }
diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c
index bae136768a4..a269328aff8 100644
--- a/src/gallium/drivers/softpipe/sp_screen.c
+++ b/src/gallium/drivers/softpipe/sp_screen.c
@@ -353,6 +353,10 @@ softpipe_is_format_supported( struct pipe_screen *screen,
       return FALSE;
    }
 
+   if (format_desc->layout == UTIL_FORMAT_LAYOUT_ETC &&
+       format != PIPE_FORMAT_ETC1_RGB8)
+      return FALSE;
+
    /*
     * All other operations (sampling, transfer, etc).
     */