The guts of blorp and ISL don't understand i965's partial miptrees.
Instead, we need to subtract off first_level before we hand anything off
to blorp.
---
src/mesa/drivers/dri/i965/brw_blorp.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/mesa/drivers/dri/i965/brw_blorp.c
b/src/mesa/drivers/dri/i965/brw_blorp.c
index ebc4612..64aa4c9 100644
--- a/src/mesa/drivers/dri/i965/brw_blorp.c
+++ b/src/mesa/drivers/dri/i965/brw_blorp.c
@@ -271,6 +271,9 @@ blorp_surf_for_miptree(struct brw_context *brw,
}
assert((surf->aux_usage == ISL_AUX_USAGE_NONE) ==
(surf->aux_addr.buffer == NULL));
+
+ /* ISL wants real levels, not offset ones. */
+ *level -= mt->first_level;
}
static enum isl_format
--
2.5.0.400.gff86faf
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