[Mesa-dev] [PATCH] i965: do not attempt fast clear with ISL_AUX_USAGE_NONE

[Tapani Pälli]

Aux usage is ISL_AUX_USAGE_NONE when miptree is set shareable
within (intel_miptree_make_shareable).

Signed-off-by: Tapani Pälli <tapani.palli at intel.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101925
---
 src/mesa/drivers/dri/i965/brw_blorp.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c b/src/mesa/drivers/dri/i965/brw_blorp.c
index b2987ca..7483e7c 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp.c
+++ b/src/mesa/drivers/dri/i965/brw_blorp.c
@@ -791,6 +791,10 @@ do_single_blorp_clear(struct brw_context *brw, struct gl_framebuffer *fb,
        !brw_is_color_fast_clear_compatible(brw, irb->mt, &ctx->Color.ClearColor))
       can_fast_clear = false;
 
+   /* Aux surface usage has been disabled. */
+   if (irb->mt->aux_usage == ISL_AUX_USAGE_NONE)
+      can_fast_clear = false;
+
    /* Surface state can only record one fast clear color value. Therefore
     * unless different levels/layers agree on the color it can be used to
     * represent only single level/layer. Here it will be reserved for the
-- 
2.9.4