R600g SB Now Supports Geometry Shaders
Written by Michael Larabel in AMD on 12 April 2015 at 08:55 AM EDT. 12 Comments
AMD --
For those running older Radeon graphics cards with the R600 Gallium3D graphics driver, an important update landed in Mesa 10.6-devel Git this past week.

The R600g SB shader back-end that was developed by Vadim Girlin for delivering shader performance optimizations is now able to support OpenGL Geometry Shaders.

The work done by Glenn Kennard enables SB for geometry shaders within R600g. Adding this support took just a couple dozen lines of code with the SB GS support previously being disabled over not being able to handle CF_EMIT instructions. Details via this Git commit and the addition will be present in the upcoming Mesa 10.6 release.
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