iris: fix crash when binding optional shader for the first time

2018-08-23 21:21:04 -07:00
parent 6331b754df
commit 47d3019c4a
1 changed files with 3 additions and 1 deletions
@@ -172,7 +172,9 @@ iris_bind_cached_shader(struct iris_context *ice,
   if (!shader)
      return false;

-   if (memcmp(shader, ice->shaders.prog[cache_id], sizeof(*shader)) != 0) {
+   // XXX: why memcmp?
+   if (!ice->shaders.prog[cache_id] ||
+       memcmp(shader, ice->shaders.prog[cache_id], sizeof(*shader)) != 0) {
      ice->shaders.prog[cache_id] = shader;
      ice->state.dirty |= dirty_flag_for_cache(cache_id);
   }