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-rw-r--r--src/mesa/drivers/dri/i965/brw_bufmgr.c1
-rw-r--r--src/mesa/drivers/dri/i965/brw_bufmgr.h5
-rw-r--r--src/mesa/drivers/dri/i965/intel_mipmap_tree.c3
3 files changed, 9 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_bufmgr.c b/src/mesa/drivers/dri/i965/brw_bufmgr.c
index 9a65d32dd0a..2b42182d265 100644
--- a/src/mesa/drivers/dri/i965/brw_bufmgr.c
+++ b/src/mesa/drivers/dri/i965/brw_bufmgr.c
@@ -351,6 +351,7 @@ retry:
bo->name = name;
p_atomic_set(&bo->refcount, 1);
bo->reusable = true;
+ bo->cache_coherent = bufmgr->has_llc;
pthread_mutex_unlock(&bufmgr->lock);
diff --git a/src/mesa/drivers/dri/i965/brw_bufmgr.h b/src/mesa/drivers/dri/i965/brw_bufmgr.h
index 1e3e8cff456..6ce14bbcba6 100644
--- a/src/mesa/drivers/dri/i965/brw_bufmgr.h
+++ b/src/mesa/drivers/dri/i965/brw_bufmgr.h
@@ -123,6 +123,11 @@ struct brw_bo {
* Boolean of whether this buffer can be re-used
*/
bool reusable;
+
+ /**
+ * Boolean of whether this buffer is cache coherent
+ */
+ bool cache_coherent;
};
#define BO_ALLOC_FOR_RENDER (1<<0)
diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
index ebf77b65501..34b8651b004 100644
--- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
+++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
@@ -628,6 +628,9 @@ miptree_create(struct brw_context *brw,
alloc_flags);
}
+ if (layout_flags & MIPTREE_LAYOUT_FOR_SCANOUT)
+ mt->bo->cache_coherent = false;
+
return mt;
}