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Codethink Senior Engineer Launches Open Source 3D Device Driver Project
A new open source 3D graphics driver project, www.limadriver.org, launched with a live interactive demonstration and discussion at the Free and Open Software Developers’ European Meeting (FOSDEM).
The project aims to bring together a community of liked-minded talented system and graphics engineers. This new community project anticipates helping embedded and mobile device manufacturers and their ecosystem partners and customers such as mobile application/
Accomplishment and Methodology
The initial driver precursor, Limare, will commence by slowly building-up knowledge of the ARM Ltd Mali graphics processing unit (GPU). An initial, single frame EGL/openGLES2 application was written which targets specific functionality of the GPU. Following that the command stream rendering a single frame was captured and analyzed. Using the same input data as the EGL/openGLES application (shader source, attributes and uniforms), the Limare infrastructure is expanded or improved until it shows the same render.
The following images were rendered and can be found in full on the project website, www.limadriver.org:
1) smoothed triangle.
2) smoothed strip.
3) smoothed fan.
4) flat quad.
5) triangle quad.
6) smoothed, lighted, rotated cube.
Luc Verhaegen said, “These renders are taken from a Mali-400, and they produce the exact same result on a Mali-200, albeit ever so slightly slower. They are 4x MSAA (Multi-Sample Anti-Aliasing)
Engineers wishing to participate can learn more at www.limadriver.org. For real-time communications interested persons can use the IRC channel, #lima, on freenode. In the near future, the source can be found on the git repositories at https://gitorious.org/
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