mesa: remove fallback RefCount == 0 pattern

We should never get here if this is 0 unless there is a
bug. Replace the check with an assert.

Reviewed-by: Nicolai Hähnle <[email protected]>
Reviewed-by: Samuel Pitoiset <[email protected]>

1 files changed, 4 insertions, 10 deletions

diff --git a/src/mesa/main/samplerobj.c b/src/mesa/main/samplerobj.c
index 183f1d2a862..63beaf1abba 100644
--- a/src/mesa/main/samplerobj.c
+++ b/src/mesa/main/samplerobj.c
@@ -97,16 +97,10 @@ _mesa_reference_sampler_object_(struct gl_context *ctx,
    if (samp) {
       /* reference new sampler */
       mtx_lock(&samp->Mutex);
-      if (samp->RefCount == 0) {
-         /* this sampler's being deleted (look just above) */
-         /* Not sure this can every really happen.  Warn if it does. */
-         _mesa_problem(NULL, "referencing deleted sampler object");
-         *ptr = NULL;
-      }
-      else {
-         samp->RefCount++;
-         *ptr = samp;
-      }
+      assert(samp->RefCount > 0);
+
+      samp->RefCount++;
+      *ptr = samp;
       mtx_unlock(&samp->Mutex);
    }
 }