On Thu, Apr 21, 2016 at 02:59:05PM +0300, Topi Pohjolainen wrote:
> Signed-off-by: Topi Pohjolainen <topi.pohjolai...@intel.com>
Reviewed-by: Ben Widawsky <b...@bwidawsk.net>
> ---
> src/mesa/drivers/dri/i965/brw_wm.c | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/src/mesa/drivers/dri/i965/brw_wm.c
> b/src/mesa/drivers/dri/i965/brw_wm.c
> index dbc626c..ced9708 100644
> --- a/src/mesa/drivers/dri/i965/brw_wm.c
> +++ b/src/mesa/drivers/dri/i965/brw_wm.c
> @@ -361,8 +361,12 @@ brw_populate_sampler_prog_key_data(struct gl_context
> *ctx,
> struct intel_texture_object *intel_tex =
> intel_texture_object((struct gl_texture_object *)t);
>
> + /* From gen9 onwards some single sampled buffers can also be
> + * compressed. These don't need ld2dms sampling along with mcs
> fetch.
> + */
> if (brw->gen >= 7 &&
> - intel_tex->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS) {
> + intel_tex->mt->msaa_layout == INTEL_MSAA_LAYOUT_CMS &&
> + intel_tex->mt->num_samples > 1) {
> key->compressed_multisample_layout_mask |= 1 << s;
>
> if (intel_tex->mt->num_samples >= 16) {
> --
> 2.5.5
>
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