From: Damien Lespiau <damien.lespiau@intel.com>
To: Daniel Vetter <daniel@ffwll.ch>
Cc: "Srinivas, Vidya" <vidya.srinivas@intel.com>,
David Airlie <airlied@linux.ie>,
Daniel Vetter <daniel.vetter@ffwll.ch>,
intel-gfx@lists.freedesktop.org,
Sagar Arun Kamble <sagar.a.kamble@intel.com>
Subject: Re: [PATCH 3/4] drm/i915: Enabling pre-multiplied alpha drm property
Date: Thu, 20 Mar 2014 14:00:05 +0000 [thread overview]
Message-ID: <20140320140005.GP6912@strange.amr.corp.intel.com> (raw)
In-Reply-To: <20140320135120.GN30571@phenom.ffwll.local>
On Thu, Mar 20, 2014 at 02:51:20PM +0100, Daniel Vetter wrote:
> I don't really have a decent opinion on the pre-multiplied vs
> non-premultiplied ARGB formats issue at hand. In case of doubt I think we
> should follow what gl does. But I have no clue how that's handled in gl
> ;-)
I'd still like a premultipled DRM format, but let's wait for Ville
opinion.
In GL, the blending equation doesn't do anything automatically. So if
you have a premultiplied source, you need to setup the blending
function/factor accordingly.
--
Damien
next prev parent reply other threads:[~2014-03-20 14:00 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-19 10:08 [RFC 1/1] drm/i915: Added support for setting plane alpha through drm property sagar.a.kamble
2014-02-24 15:44 ` Sagar Arun Kamble
2014-03-06 12:03 ` Damien Lespiau
2014-03-06 12:09 ` Damien Lespiau
2014-02-25 18:18 ` Ville Syrjälä
2014-03-04 9:42 ` [Intel-gfx] " Daniel Vetter
2014-03-04 12:06 ` Ville Syrjälä
2014-03-06 10:28 ` [Intel-gfx] " Sagar Arun Kamble
2014-03-06 11:24 ` Daniel Vetter
2014-03-08 8:21 ` [PATCH 0/4] Adding support for plane alpha/color blending " sagar.a.kamble
2014-03-08 8:21 ` [PATCH 1/4] drm: Added plane alpha and color blending property sagar.a.kamble
2014-03-08 8:21 ` sagar.a.kamble
2014-03-20 11:58 ` [Intel-gfx] " Damien Lespiau
2014-03-20 11:58 ` Damien Lespiau
2014-03-20 14:21 ` [Intel-gfx] " Damien Lespiau
2014-03-08 8:21 ` [PATCH 2/4] drm/i915: Enabling constant alpha drm property sagar.a.kamble
2014-03-20 13:51 ` Damien Lespiau
2014-03-25 14:32 ` [PATCH v2 1/4] drm: Adding new flag to restrict bitmask drm properties as 32 bit type and 32 bit value pair sagar.a.kamble
2014-03-25 14:32 ` sagar.a.kamble
2014-03-25 14:32 ` [PATCH v2 2/4] drm: Added plane alpha and color blending property sagar.a.kamble
2014-03-25 14:32 ` sagar.a.kamble
2014-03-25 14:32 ` [PATCH v2 3/4] drm/i915: Enabling constant alpha drm property sagar.a.kamble
2014-04-01 4:51 ` Sagar Arun Kamble
2014-04-02 6:12 ` Sagar Arun Kamble
2014-04-03 5:43 ` Sagar Arun Kamble
2014-04-15 9:44 ` Sagar Arun Kamble
2014-04-15 10:35 ` Ville Syrjälä
2014-04-15 11:23 ` Sagar Arun Kamble
2014-04-15 11:44 ` Ville Syrjälä
2014-03-25 14:32 ` [PATCH v2 4/4] Documentation: drm: describing plane alpha and color blending property sagar.a.kamble
2014-03-26 12:30 ` David Herrmann
2014-03-27 9:03 ` [PATCH v3 1/1] " sagar.a.kamble
2014-03-27 9:50 ` sagar.a.kamble
2014-03-27 12:38 ` David Herrmann
2014-03-27 17:31 ` [PATCH v4 " sagar.a.kamble
2014-04-10 10:39 ` [PATCH v2 1/4] drm: Adding new flag to restrict bitmask drm properties as 32 bit type and 32 bit value pair Sagar Arun Kamble
2014-04-10 10:39 ` Sagar Arun Kamble
2014-03-08 8:21 ` [PATCH 3/4] drm/i915: Enabling pre-multiplied alpha drm property sagar.a.kamble
2014-03-19 15:10 ` Damien Lespiau
2014-03-20 9:59 ` Sagar Arun Kamble
2014-03-20 11:38 ` Damien Lespiau
2014-03-20 13:51 ` Daniel Vetter
2014-03-20 14:00 ` Damien Lespiau [this message]
2014-03-08 8:21 ` [PATCH 4/4] Documentation: drm: describing plane alpha and color blending property sagar.a.kamble
2014-03-10 14:43 ` Laurent Pinchart
2014-03-20 14:11 ` [PATCH 0/4] Adding support for plane alpha/color blending through drm property Damien Lespiau
2014-03-20 14:45 ` Damien Lespiau
2014-03-21 13:36 ` Sagar Arun Kamble
2014-03-21 19:23 ` Damien Lespiau
2014-04-02 19:36 ` Ville Syrjälä
2014-03-25 10:03 ` Sagar Arun Kamble
2014-03-25 10:51 ` Daniel Vetter
2014-03-25 12:26 ` Damien Lespiau
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