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Mesa Makes Way For Assembly Shaders To GLSL IR

Intel

Published on 18 April 2012 10:16 AM EDT
Written by Michael Larabel in Intel
12 Comments

Intel's Ian Romanick has made progress in his long side-project of compiling OpenGL assembly shaders to GLSL IR. He's now up to the point of being able to run the Doom 3 binaries with this conversion work for Mesa.

Ian talked about his aspirations for compiling assembly shaders (e.g. GL_ARB_vertex_program) to GLSL IR back at XDC2011 Chicago.

As said on Ian's blog, "This project has turned into such an incredible rat's nest of irritation that I can't even believe it."

The good news is that he's now hit a big milestone by running Doom 3 binaries with the assembly shaders in GLSL IR. However, there's still issues like incorrect rendering and needing to disable HiZ. He has posted some screenshots from Doom 3 showing the progress on Intel Sandy Bridge.

Mesa Makes Way For Assembly Shaders To GLSL IR


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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