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Mesa Now Supports Intel's Performance Query Extension

Intel

Published on 04 May 2014 09:22 PM EDT
Written by Michael Larabel in Intel
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Intel developers landed the bulk of the support into Mesa for supporting the GL_INTEL_performance_query extension, which should be able to assist Linux game developers and driver developers in better optimizing software/games for the open-source Linux graphics drivers.

Since last year Mesa -- including the Intel driver -- has supported the AMD_performance_monitor extension for reading and capturing performance monitors related to the graphics hardware. There's also been Mesa support for GL_ARB_debug_output and GL_KHR_debug as other extensions for aiding OpenGL game developers and application writers for debugging or optimizing their OpenGL workloads under the open-source Linux graphics driver stack. The latest support is for INTEL_performance_query.

Going back to March have been Mesa patches out of Intel for hooking up the GL_INTEL_performance_query extension as the Intel-originated approach for exposing GPU counter information under Linux. The core support for the GL_INTEL_performance_query extension is done in the same way as the AMD_performance_monitor extension. As of Friday, that support is in Mesa with using the same AMD performance driver extension hooks. Though in terms of Mesa/Gallium3D drivers right now supporting this OpenGL performance tuning extension, only Intel is supported right now and it covers "Gen5" era hardware and newer.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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