Quoting Nanley Chery (2018-08-10 10:23:34)
> Satisfy the BLT engine's row pitch limitation on the destination
> miptree. The destination miptree is untiled, so its row_pitch will be
> slightly less than or equal to the source miptree's row_pitch. Use the
> source miptree's row_pitch in can_blit_slice instead of its blt_pitch.
>
> Fixes 0288fe8d0417730bdd5b3477130dd1dc32bdbcd3
> ("i965/miptree: Use the correct BLT pitch")
For the scripts in stable to pick this up I believe you need a ":", as in
Fixes: abc123 ("some patch")
Dylan
>
> Cc: <mesa-sta...@lists.freedesktop.org>
> Reported-by: Dylan Baker <dy...@pnwbakers.com>
> ---
> src/mesa/drivers/dri/i965/intel_mipmap_tree.c | 9 +++++++--
> 1 file changed, 7 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 a18d5ac3624..d8e823e4826 100644
> --- a/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> +++ b/src/mesa/drivers/dri/i965/intel_mipmap_tree.c
> @@ -3544,8 +3544,13 @@ static bool
> can_blit_slice(struct intel_mipmap_tree *mt,
> unsigned int level, unsigned int slice)
> {
> - /* See intel_miptree_blit() for details on the 32k pitch limit. */
> - if (intel_miptree_blt_pitch(mt) >= 32768)
> + /* The blit destination is untiled, so its row_pitch will be slightly less
> + * than or equal to the source's row_pitch. The BLT engine only supports
> + * linear row pitches up to but not including 32k.
> + *
> + * See intel_miptree_blit() for details on the 32k pitch limit.
> + */
> + if (mt->surf.row_pitch >= 32768)
> return false;
>
> return true;
> --
> 2.18.0
>
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> mesa-sta...@lists.freedesktop.org
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