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-rw-r--r--src/mesa/state_tracker/st_gen_mipmap.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mesa/state_tracker/st_gen_mipmap.c b/src/mesa/state_tracker/st_gen_mipmap.c
index f75b2348b82..c3bea3172a5 100644
--- a/src/mesa/state_tracker/st_gen_mipmap.c
+++ b/src/mesa/state_tracker/st_gen_mipmap.c
@@ -215,6 +215,9 @@ st_generate_mipmap(GLcontext *ctx, GLenum target,
/* find expected last mipmap level */
lastLevel = compute_num_levels(ctx, texObj, target) - 1;
+ if (lastLevel == 0)
+ return;
+
if (pt->last_level < lastLevel) {
/* The current gallium texture doesn't have space for all the
* mipmap levels we need to generate. So allocate a new texture.