On Tue, May 16, 2017 at 03:44:59PM -0700, Jason Ekstrand wrote:
> 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));
Here it would be nice to have an assert:
assert(*level >= mt->first_level);
> +
> + /* ISL wants real levels, not offset ones. */
> + *level -= mt->first_level;
> }
>
> static enum isl_format
> --
> 2.5.0.400.gff86faf
>
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