From: Ben Widawsky <ben@bwidawsk.net>
To: Kenneth Graunke <kenneth@whitecape.org>
Cc: DRI@freedesktop.org, Mesa Dev <mesa-dev@lists.freedesktop.org>,
intel-gfx@lists.freedesktop.org,
Devel <dri-devel@lists.freedesktop.org>
Subject: Re: [Mesa-dev] [PATCH 00/25] i915 HW context support
Date: Tue, 5 Jun 2012 09:32:25 -0700 [thread overview]
Message-ID: <20120605093225.3dde0c61@bwidawsk.net> (raw)
In-Reply-To: <4FCDB05A.6000303@whitecape.org>
On Tue, 05 Jun 2012 00:08:10 -0700
Kenneth Graunke <kenneth@whitecape.org> wrote:
> On 06/04/2012 10:53 PM, Dave Airlie wrote:
> >>
> >> I've run these on various workloads and saw nothing worth mentioning.
> >
> > Nothing at all? no speedups, slowdowns, etc
> >
> > why should we merge all this code then :-)
> >
> > Dave.
>
> Preserving hardware state across batches is going to be necessary for:
>
> * Transform feedback in the presence of geometry shaders
>
> Right now, Mesa counts the number of primitives emitted on the CPU,
> relies on the kernel resetting the register to 0, and offset values
> in software. With GS, we obviously can't count primitives on the CPU.
>
> * Primitive restart in hardware
>
> and seems to be increasingly necessary for new features as we move
> forward. So we'd like to get it in place; we can cut more state uploads
> and tune Mesa further once it's there.
Also, my testing was far from comprehensive.
--
Ben Widawsky, Intel Open Source Technology Center
next prev parent reply other threads:[~2012-06-05 16:32 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-06-04 21:42 [PATCH 00/25] i915 HW context support Ben Widawsky
2012-06-04 21:42 ` [PATCH 01/25] drm/i915: CXT_SIZE register offsets added Ben Widawsky
2012-06-04 21:42 ` [PATCH 02/25 v2] drm/i915: preliminary context support Ben Widawsky
2012-06-05 12:23 ` Ville Syrjälä
2012-06-05 16:30 ` Ben Widawsky
2012-06-04 21:42 ` [PATCH 03/25 v2] drm/i915: context basic create & destroy Ben Widawsky
2012-06-13 23:27 ` Ben Widawsky
2012-06-04 21:42 ` [PATCH 04/25] drm/i915: add context information to objects Ben Widawsky
2012-06-13 22:01 ` Daniel Vetter
2012-06-13 23:26 ` Ben Widawsky
2012-06-04 21:42 ` [PATCH 05/25] drm/i915: always bind context objects immediately Ben Widawsky
2012-06-04 21:42 ` [PATCH 06/25 v3] drm/i915: context switch implementation Ben Widawsky
2012-06-04 21:42 ` [PATCH 07/25] drm/i915: context trace events Ben Widawsky
2012-06-13 22:23 ` Daniel Vetter
2012-06-13 23:27 ` Ben Widawsky
2012-06-04 21:42 ` [PATCH 08/25] drm/i915: Ivybridge MI_ARB_ON_OFF context w/a Ben Widawsky
2012-06-04 21:42 ` [PATCH 09/25] drm/i915: PIPE_CONTROL_TLB_INVALIDATE Ben Widawsky
2012-06-04 21:42 ` [PATCH 10/25 v2] drm/i915: possibly invalidate TLB before context switch Ben Widawsky
2012-06-04 21:42 ` [PATCH 11/25] drm/i915: use the default context Ben Widawsky
2012-06-04 21:42 ` [PATCH 12/25] drm/i915: add ccid to error state Ben Widawsky
2012-06-04 21:42 ` [PATCH 13/25 v3] drm/i915: switch to default context on idle Ben Widawsky
2012-06-04 21:42 ` [PATCH 14/25 v3] drm/i915/context: create & destroy ioctls Ben Widawsky
2012-06-04 21:42 ` [PATCH 15/25 v2] drm/i915/context: switch contexts with execbuf2 Ben Widawsky
2012-06-04 21:42 ` [PATCH 16/25] drm/i915: reset the GPU on context fini Ben Widawsky
2012-06-04 21:42 ` [PATCH 17/25] intel: wait render placeholder Ben Widawsky
2012-06-04 21:42 ` [PATCH 18/25] intel: Merge updated kernel header Ben Widawsky
2012-06-04 21:42 ` [PATCH 19/25] intel/context: Add drm_intel_context type Ben Widawsky
2012-06-04 21:43 ` [PATCH 20/25] intel/context: new execbuf interface for contexts Ben Widawsky
2012-06-04 21:43 ` [PATCH 21/25] intel: add decoding of MI_SET_CONTEXT Ben Widawsky
2012-06-04 21:43 ` [PATCH 22/25] context: libdrm wrappers Ben Widawsky
2012-06-04 21:43 ` [PATCH 23/25] context: update for new execbuf2 element Ben Widawsky
2012-06-04 21:43 ` [PATCH 24/25] contexts: basic test coverage Ben Widawsky
2012-06-13 23:30 ` Daniel Vetter
2012-06-14 3:13 ` [PATCH] " Ben Widawsky
2012-06-04 21:43 ` [PATCH 25/25] i965: hw context support Ben Widawsky
2012-06-04 23:01 ` Paul Berry
2012-06-04 23:10 ` [Intel-gfx] " Ben Widawsky
2012-06-05 5:53 ` [PATCH 00/25] i915 HW " Dave Airlie
2012-06-05 7:08 ` [Mesa-dev] " Kenneth Graunke
2012-06-05 16:32 ` Ben Widawsky [this message]
2012-06-05 23:37 ` Kenneth Graunke
2012-06-07 16:17 ` Ben Widawsky
2012-06-14 16:04 ` Daniel Vetter
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