From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
To: "Ville Syrjälä" <ville.syrjala@linux.intel.com>,
"Kevin Strasser" <kevin.strasser@intel.com>
Cc: Daniel Vetter <daniel.vetter@ffwll.ch>,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org
Subject: Re: [PATCH v5 0/3] Support 64 bpp half float formats
Date: Wed, 13 Feb 2019 16:56:51 +0100 [thread overview]
Message-ID: <b78613aa-caca-6499-de0e-61b22380eb63@linux.intel.com> (raw)
In-Reply-To: <20190213155312.GH20097@intel.com>
Op 13-02-2019 om 16:53 schreef Ville Syrjälä:
> On Fri, Feb 08, 2019 at 01:49:40PM -0800, Kevin Strasser wrote:
>> This series defines new formats and adds implementation to the i915 driver.
>> Since posting v1 I have removed the pixel normalize property, as it's not needed
>> for basic functionality. Also, I have been working on adding support to
>> userspace, but we can't land any patches until drm_fourcc.h has been updated
>> here.
>>
>> I have submitted a series to Mesa to make use of the RGBA ordered formats:
>> https://patchwork.freedesktop.org/series/54759/
>>
>> My igt branch is reworked to drop usage of pixel normalize and includes use
>> of f16c intrinsics to speed up conversion:
>> https://gitlab.freedesktop.org/strassek/igt-gpu-tools/commits/fp16
> Was that posted to the ml? I can't seem to find it.
>
> Anyways, a quick look at the web thing tells me this predates
> Maarten's cairo float stuff. I believe that has now landed so you
> should probably switch to using that instead of rendering at 8bpc.
Yes, it's now in upstream igt. :)
RGB96F is just a float[3] = { r, g, b }; RGBA128F is the same with the alpha channel at the end,
should be possible to convert to half float with the right changes to the conversion function.
~Maarten
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next prev parent reply other threads:[~2019-02-13 15:56 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-08 21:49 [PATCH v5 0/3] Support 64 bpp half float formats Kevin Strasser
2019-02-08 21:49 ` [PATCH v5 1/3] drm/fourcc: Add " Kevin Strasser
2019-02-08 21:49 ` [PATCH v5 2/3] drm/i915: Refactor icl_is_hdr_plane Kevin Strasser
2019-02-08 21:49 ` [PATCH v5 3/3] drm/i915/icl: Implement half float formats Kevin Strasser
2019-02-08 22:35 ` ✗ Fi.CI.CHECKPATCH: warning for Support 64 bpp half float formats (rev6) Patchwork
2019-02-08 22:55 ` ✓ Fi.CI.BAT: success " Patchwork
2019-02-09 5:15 ` ✓ Fi.CI.IGT: " Patchwork
2019-02-13 15:53 ` [PATCH v5 0/3] Support 64 bpp half float formats Ville Syrjälä via dri-devel
2019-02-13 15:56 ` Maarten Lankhorst [this message]
2019-02-14 0:54 ` Strasser, Kevin
2019-02-15 19:41 ` Adam Jackson
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