[Mesa-dev] [Mesa-stable] [PATCH 1/2] i965/blit: Fix the src dimension sanity check in miptree_copy

[Emil Velikov]

Hi Jason,

On 6 December 2016 at 20:37, Jason Ekstrand <jason at jlekstrand.net> wrote:
> Cc: "13.0" <mesa-stable at lists.freedesktop.org>
> ---
>  src/mesa/drivers/dri/i965/intel_blit.c | 6 ++++--
>  1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/src/mesa/drivers/dri/i965/intel_blit.c b/src/mesa/drivers/dri/i965/intel_blit.c
> index 03a35ee..5f0cf74 100644
> --- a/src/mesa/drivers/dri/i965/intel_blit.c
> +++ b/src/mesa/drivers/dri/i965/intel_blit.c
> @@ -421,8 +421,10 @@ intel_miptree_copy(struct brw_context *brw,
>
>        assert(src_x % bw == 0);
>        assert(src_y % bh == 0);
> -      assert(src_width % bw == 0);
> -      assert(src_height % bh == 0);
> +      assert(src_width % bw == 0 ||
> +             src_x + src_width == minify(src_mt->logical_width0, src_level));
> +      assert(src_height % bh == 0 ||
> +             src_y + src_height == minify(src_mt->logical_height0, src_level));
>
This and 2/2 depend on earlier work, as mentioned a minute ago.
So depending on how that one goes, will determine whether we get these
in -stable.

Emil