If you look up a level that isn't in the miptree, you crash.
---
src/mesa/drivers/dri/i965/brw_wm_surface_state.c | 3 ++-
src/mesa/drivers/dri/i965/gen7_wm_surface_state.c | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index e732b6d..f8251b2 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -871,7 +871,8 @@ brw_update_texture_surface(struct gl_context *ctx,
surf[4] = 0;
- intel_miptree_get_tile_offsets(intelObj->mt, 0, 0, &tile_x, &tile_y);
+ intel_miptree_get_tile_offsets(intelObj->mt, firstImage->Level, 0,
+ &tile_x, &tile_y);
assert(brw->has_surface_tile_offset || (tile_x == 0 && tile_y == 0));
/* Note that the low bits of these fields are missing, so
* there's the possibility of getting in trouble.
diff --git a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
index 9c8bc17..179024a 100644
--- a/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/gen7_wm_surface_state.c
@@ -334,7 +334,8 @@ gen7_update_texture_surface(struct gl_context *ctx,
surf[3] = SET_FIELD(depth - 1, BRW_SURFACE_DEPTH) |
((intelObj->mt->region->pitch) - 1);
- intel_miptree_get_tile_offsets(intelObj->mt, 0, 0, &tile_x, &tile_y);
+ intel_miptree_get_tile_offsets(intelObj->mt, firstImage->Level, 0,
+ &tile_x, &tile_y);
assert(brw->has_surface_tile_offset || (tile_x == 0 && tile_y == 0));
/* Note that the low bits of these fields are missing, so
* there's the possibility of getting in trouble.
--
1.7.10.4
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