Intel Adds Support For ARB_copy_image
Written by Michael Larabel in Mesa on 11 August 2014 at 09:29 PM EDT. 6 Comments
While OpenGL 4.5 was announced today, Mesa developers are still battling for OpenGL 4.0 compliance but at least they are now able to scratch off another GL4 feature.

Intel Linux users as of today now have GL_ARB_copy_image support added to Mesa Git for the upcoming Mesa 10.3 release. ARB_copy_image as explained by the OpenGL registry comes down to, "[an] extension enables efficient image data transfer between image objects (i.e. textures and renderbuffers) without the need to bind the objects or otherwise configure the rendering pipeline. This is accomplised by adding a new entry-point CopyImageSubData, which takes a named source and destination."

GL_ARB_copy_image support is mandated by the OpenGL 4.3 specification. The i965 Intel driver's support for this extension is the first of the Mesa/Gallium3D drivers to support this extension (per this commit).
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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 10,000 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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