st/mesa: fix computation of last_level during texture creation

Array textures were broken.

NOTE: This is a candidate for the stable branches.

Reviewed-by: Brian Paul <brianp@vmware.com>
Reviewed-by: Dave Airlie <airlied@redhat.com>

diff --git a/src/mesa/state_tracker/st_cb_texture.c b/src/mesa/state_tracker/st_cb_texture.c
index 9619dd290ed5ec01b788d56d040f19784d77d38b..f06814f9cd326db7abb1af2f46877f5c39492eb9 100644 (file)
--- a/src/mesa/state_tracker/st_cb_texture.c
+++ b/src/mesa/state_tracker/st_cb_texture.c
@@ -384,10 +384,8 @@ guess_and_alloc_texture(struct st_context *st,
    }
    else {
       /* alloc space for a full mipmap */
-      GLuint l2width = util_logbase2(width);
-      GLuint l2height = util_logbase2(height);
-      GLuint l2depth = util_logbase2(depth);
-      lastLevel = MAX2(MAX2(l2width, l2height), l2depth);
+      lastLevel = _mesa_get_tex_max_num_levels(stObj->base.Target,
+                                               width, height, depth) - 1;
    }
 
    /* Save the level=0 dimensions */