i965/blorp: Add fields brw_blorp_mip_info::level,layer

The new fields define the 2D miptree slice to be used. A following patch
will pass the new fields through to intel_miptree_slice_has_hiz().

Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Kenneth Graunke <kenneth@whitecape.org>
Signed-off-by: Chad Versace <chad.versace@linux.intel.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/i965/brw_blorp.h b/src/mesa/drivers/dri/i965/brw_blorp.h
index 79a3f3a..1b95818 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp.h
+++ b/src/mesa/drivers/dri/i965/brw_blorp.h
@@ -69,6 +69,17 @@ public:
    struct intel_mipmap_tree *mt;
 
    /**
+    * The miplevel to use.
+    */
+   uint32_t level;
+
+   /**
+    * The 2D layer within the miplevel. Combined, level and layer define the
+    * 2D miptree slice to use.
+    */
+   uint32_t layer;
+
+   /**
     * Width of the miplevel to be used.  For surfaces using
     * INTEL_MSAA_LAYOUT_IMS, this is measured in samples, not pixels.
     */