Nouveau Lands A OpenGL 4.3 Feature & Fixes MPEG4 Video Decoding
Written by Michael Larabel in Mesa on 12 September 2014 at 10:29 AM EDT. Add A Comment
MESA --
The latest high profile work by prolific Nouveau contributor Ilia Mirkin is the landing of GL_ARB_texture_view for the NV50 and NVC0 Gallium3D drivers.

Work on ARB_texture_view in Mesa dates back to November of last year while over the night, Ilia landed ARB_texture_view support for the Mesa state tracker and made other changes needed to support this GL 4.3 extension by the NV50 and NVC0 Gallium3D drivers -- providing it to all modern NVIDIA GPUs on this open-source driver.

As explained by the OpenGL.org registry, "This extension allows a texture's data store to be 'viewed' in multiple ways, either reinterpreting the data format/type as a different format/type with the same element size, or by clamping the mipmap level range or array slice range. The goals of this extension are to avoid having these alternate views become shared mutable containers of shared mutable objects, and to add the views to the API in a minimally invasive way."

Besides this work by Mirkin, Maarten Lankhorst of Canonical landed a few fixes -- including a fix for MPEG4 hardware decoding.

Then in some non-Nouveau Mesa commits over the night, there were more Intel "ILO" Gallium3D driver improvements beyond what we saw yesterday.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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