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From: Paul Menzel <paulepanter@users.sourceforge.net>
To: intel-gfx@lists.freedesktop.org
Subject: Re: [PATCH] intel: Add support for (possibly) unsynchronized maps.
Date: Sat, 25 Feb 2012 10:03:18 +0100	[thread overview]
Message-ID: <1330160598.3345.3.camel@mattotaupa> (raw)
In-Reply-To: <1330142003-570-1-git-send-email-eric@anholt.net>


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Dear Eric,


Am Freitag, den 24.02.2012, 19:53 -0800 schrieb Eric Anholt:

[…]

> +/**
> + * Performs a mapping of the buffer object like the normal GTT
> + * mapping, but avoiding waiting for the GPU to be done reading from

s/avoiding/avoids/?

> + * or rendering to the buffer.
> + *
> + * This is used in the implementation of GL_ARB_map_buffer_range: The
> + * user asks to create a buffer, then does a mapping, fills some
> + * space, runs a drawing command, then asks to map it again without
> + * synchronizing because it guarantees that it won't write over the
> + * data that the GPU is busy using (or, more specifically, that if it
> + * does write over the data, it acknowledges that rendering is
> + * undefined).
> + */
> +
> +int drm_intel_gem_bo_map_unsynchronized(drm_intel_bo *bo)

[…]


Thanks,

Paul

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  parent reply	other threads:[~2012-02-25  9:03 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-25  3:53 [PATCH] intel: Add support for (possibly) unsynchronized maps Eric Anholt
2012-02-25  3:53 ` [PATCH] intel: Make use of the new GPU-unsynchronized map functionality in libdrm Eric Anholt
2012-02-25  8:55 ` [PATCH] intel: Add support for (possibly) unsynchronized maps Chris Wilson
2012-02-25  9:03 ` Paul Menzel [this message]
2012-02-25 11:00 ` Daniel Vetter
2012-02-25 11:16   ` Chris Wilson
2012-02-26 20:28   ` Kenneth Graunke
2012-02-27 11:15     ` Ben Widawsky
2012-02-27 19:05   ` Eric Anholt
2012-02-28  7:35 ` [PATCH 1/2] intel: Fix error check for I915_PARAM_HAS_LLC Eric Anholt
2012-02-28  7:35   ` [PATCH 2/2] intel: Add support for (possibly) unsynchronized maps Eric Anholt

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