ARB_viewport_array Is Now Enabled For Intel Mesa
Written by Michael Larabel in Mesa on 20 January 2014 at 05:05 PM EST. Add A Comment
The OpenGL 4.1 ARB_viewport_array extension that was talked about a few days ago on Phoronix in Major OpenGL 4.1 Feature Almost Ready For Mesa has now been merged and enabled for Intel's Linux graphics driver.

GL_ARB_viewport_array is an extension mandated by OpenGL 4.1 as a means of exposing multiple viewports. Its specification is described at

Today's enabling of this OpenGL 4.1 feature is done just for the Intel Mesa DRI driver, aside from the core Mesa changes. This Intel support is also limited to Ivy Bridge graphics processors and newer.

The enabling of GL_ARB_viewport_array can be found as of this Git commit.

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Michael Larabel is the principal author of 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 automated benchmarking software. He can be followed via Twitter or contacted via

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