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authorStuart Young <[email protected]>2018-09-20 17:12:43 +1000
committerEric Engestrom <[email protected]>2018-09-22 17:23:18 +0100
commitc95dd966c4362ef75bab1664726533c017a9b331 (patch)
treea8567555a57b37c928687ccf414ade920258d6bc /docs/faq.html
parentf580a895b1b113cf7903a64a7a031bf4fdcc5032 (diff)
docs: Update FAQ with respect to s3tc support
It's just over 10 months since 17.3.0 was released with s3tc support enabled. Probably a good idea to update the FAQ page. v2: Incorporate feedback from Adam Jackson <[email protected]> Reviewed-by: Adam Jackson <[email protected]> Reviewed-by: Eric Engestrom <[email protected]> Fixes: 04396a134f0 ("mesa: Import libtxc_dxtn sources") Reviewed-by: Emil Velikov <[email protected]>
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@@ -16,7 +16,7 @@
<center>
<h1>Mesa Frequently Asked Questions</h1>
-Last updated: 9 October 2012
+Last updated: 19 September 2018
</center>
<br>
@@ -373,18 +373,16 @@ the archives) is a good way to get information.
<h2>4.3 Why isn't GL_EXT_texture_compression_s3tc implemented in Mesa?</h2>
<p>
-The <a href="http://oss.sgi.com/projects/ogl-sample/registry/EXT/texture_compression_s3tc.txt">specification for the extension</a>
-indicates that there are intellectual property (IP) and/or patent issues
-to be dealt with.
+Oh but it is! Prior to 2nd October 2017, the Mesa project did not include s3tc
+support due to intellectual property (IP) and/or patent issues around the s3tc
+algorithm.
</p>
-<p>We've been unsuccessful in getting a response from S3 (or whoever owns
-the IP nowadays) to indicate whether or not an open source project can
-implement the extension (specifically the compression/decompression
-algorithms).
+<p>
+As of Mesa 17.3.0, Mesa now officially supports s3tc, as the patent has expired.
</p>
<p>
-In the mean time, a 3rd party <a href="https://dri.freedesktop.org/wiki/S3TC">
-plug-in library</a> is available.
+In versions prior to this, a 3rd party <a href="https://dri.freedesktop.org/wiki/S3TC">
+plug-in library</a> was required.
</p>
</div>