intel: Allocate hiz in intel_renderbuffer_move_to_temp()

When moving the renderbuffer to a new miptree, we neglected to allocate
the hiz buffer for the new miptree. Oops.

Fixes all Piglit depthstencil-render-miplevels tests from crash to pass on
Sandybridge.

Note: This is a candidate for the 9.1 branch.
Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Paul Berry <[email protected]>
Signed-off-by: Chad Versace <[email protected]>

1 files changed, 4 insertions, 0 deletions

diff --git a/src/mesa/drivers/dri/intel/intel_fbo.c b/src/mesa/drivers/dri/intel/intel_fbo.c
index b91d6e0b8d5..29775687cc9 100644
--- a/src/mesa/drivers/dri/intel/intel_fbo.c
+++ b/src/mesa/drivers/dri/intel/intel_fbo.c
@@ -1010,6 +1010,10 @@ intel_renderbuffer_move_to_temp(struct intel_context *intel,
                                  irb->mt->num_samples,
                                  false /* force_y_tiling */);
 
+   if (intel->vtbl.is_hiz_depth_format(intel, new_mt->format)) {
+      intel_miptree_alloc_hiz(intel, new_mt, irb->mt->num_samples);
+   }
+
    intel_miptree_copy_teximage(intel, intel_image, new_mt, invalidate);
 
    intel_miptree_reference(&irb->mt, intel_image->mt);