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RadeonSI Gallium3D Made Some More OpenGL Performance Gains This Year

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Graphics/Benchmarks

From carrying out various benchmarks, the OpenGL performance of RadeonSI across the Mesa 18.x releases ranged from performing the same to in cases like Deus Ex: Mankind Divided being around 10% faster than just over one year ago. Not bad at all when considering most of the work on getting RadeonSI up to parity with their proprietary driver and the NVIDIA competition happened during 2016~2017 when it entered a really polished state.

The only main downside this year with the RadeonSI driver is that there is still no OpenGL 4.6 support due to the SPIR-V ingestion support not yet being complete... The proprietary AMD OpenGL driver meanwhile does support OpenGL 4.6 but for most Linux games runs slower than RadeonSI. Overall it was quite an exciting year for open-source Radeon graphics with these RadeonSI performance improvements, significant RADV Vulkan performance/feature work, ironing out various open-source driver issues, and now as we prepare for 2019 there is the long-awaited FreeSync/Adaptive-Sync support set to be merged with the upcoming Linux 4.21. Now we just need to cross our fingers that next year's Radeon Navi support will be in good open-source standing at launch.

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