Anuj Phogat writes:
> As per docs we're supposed to get the per slot SampleID written to
> 15:0 bits in R1.0. I used SSPI to compute the SampleID because I never
> got anything useful in these bits on IVB. Things might have changed on
> later platforms. So, I think it's worth trying to do what do
On Tue, Sep 22, 2015 at 4:18 PM, Ben Widawsky wrote:
> On Thu, Sep 17, 2015 at 05:00:11PM +0100, Neil Roberts wrote:
> > In order to accomodate 16x MSAA, the starting sample pair index is now
> > 3 bits rather than 2 on SKL+.
>
> Hooray for bad docs. "PS Thread Payload for Normal Dispatch": SSPI
On Thu, Sep 17, 2015 at 05:00:11PM +0100, Neil Roberts wrote:
> In order to accomodate 16x MSAA, the starting sample pair index is now
> 3 bits rather than 2 on SKL+.
Hooray for bad docs. "PS Thread Payload for Normal Dispatch": SSPI is 2 bits
(R0.0.7:6) with 1 reserved for expansion.
> ---
> sr
In order to accomodate 16x MSAA, the starting sample pair index is now
3 bits rather than 2 on SKL+.
---
src/mesa/drivers/dri/i965/brw_fs.cpp | 9 -
1 file changed, 8 insertions(+), 1 deletion(-)
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp
b/src/mesa/drivers/dri/i965/brw_fs.cpp
ind
