On Wednesday, July 02, 2014 12:33:16 PM Jordan Justen wrote:
> On Wed, Jul 2, 2014 at 5:39 AM, Pohjolainen, Topi
> <topi.pohjolai...@intel.com> wrote:
> > On Tue, Jul 01, 2014 at 04:53:06PM -0700, Jordan Justen wrote:
> >> We now skip allocating a hiz miptree for gen7. Instead, we calculate
> >> the required hiz buffer parameters and allocate a bo directly.
> >>
> >> Signed-off-by: Jordan Justen <jordan.l.jus...@intel.com>
> >> ---
> >> src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 67
++++++++++++++++++++++++++-
> >> 1 file changed, 65 insertions(+), 2 deletions(-)
> >>
> >> diff --git a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> >> index 8719c29..b308b0c 100644
> >> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> >> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> >> @@ -823,7 +823,10 @@ intel_miptree_release(struct intel_mipmap_tree **mt)
> >> drm_intel_bo_unreference((*mt)->bo);
> >> intel_miptree_release(&(*mt)->stencil_mt);
> >> if ((*mt)->hiz_buf) {
> >> - intel_miptree_release(&(*mt)->hiz_buf->mt);
> >> + if ((*mt)->hiz_buf->mt)
> >> + intel_miptree_release(&(*mt)->hiz_buf->mt);
> >> + else
> >> + drm_intel_bo_unreference((*mt)->hiz_buf->bo);
> >> free((*mt)->hiz_buf);
> >> }
> >> intel_miptree_release(&(*mt)->mcs_mt);
> >> @@ -1375,6 +1378,61 @@ intel_miptree_level_enable_hiz(struct brw_context
*brw,
> >>
> >>
> >> static struct intel_miptree_aux_buffer *
> >> +intel_hiz_buf_create(struct brw_context *brw,
> >> + struct intel_mipmap_tree *mt)
> >> +{
> >> + unsigned hz_width, hz_height;
> >> + unsigned H0, h0, h1, Z0;
> >> + const unsigned j = 8;
> >
> > This could read 'vertical_align' instead of 'j'.
>
> I wanted to stick with the 'j' terminology from the docs. Although,
> I'm not consistent about sticking with the docs, so how about a v2
> where I'm more consistent about that?I tend to prefer the more descriptive name as well. How about: const unsigned vertical_align = 8; /* 'j' in the docs */ In other places, we've called this align_h, which I hate (is 'h' height or horizontal?) But, it's up to you.
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