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RadeonSI Gallium3D Now Supports GL4 Indirect Drawing Too

AMD

Published on 18 July 2014 12:13 AM EDT
Written by Michael Larabel in AMD
15 Comments

Just a very short time after Nouveau added support for OpenGL 4 indirect drawing, AMD developers have now added support for the related OpenGL 4.x extensions to the RadeonSI Gallium3D driver.

The extensions newly supported by the RadeonSI Gallium3D code in mainline Git is OpenGL 4.0's GL_ARB_draw_indirect and OpenGL 4.3's GL_ARB_multi_draw_indirect. This work is just about the RadeonSI Gallium3D driver and not R600g. These extensions are also enabled for the Gallium3D Softpipe and LLVMpipe fallback drivers too, besides the Nouveau NVC0 and Intel i965 support too.

Also added hours ago was a Gallium3D workaround for Unigine Heaven 4.0 and Unigine Valley 1.0 to workaround poor Unigine code. LLVM 3.4.2 has also now been made a requirement when building the Radeon Gallium3D driver for obtaining the very latest fixes found in the AMD GPU LLVM back-end.

For R600g users, the latest code now supports the GL_ARB_texture_gather extension of OpenGL 4.0 on AMD Radeon HD 5000 "Evergreen" graphics cards and newer.

These latest open-source AMD Linux graphics driver improvements can be found in the upcoming Mesa 10.3 release late this summer.

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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