Difference between revisions of "Applications/Osmesa"
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Latest revision as of 13:49, 19 April 2017
Application Details
- Description: OSMesa is used since Octave 4.0 for offscreen rendering from OpenGL toolkits FLTK and Qt.
- Version: 11.2.2
- Modules: osmesa/llvmpipe/11.2.2
- Licence: Free, open-source
Usage
OSMesa is used since Octave 4.0 for offscreen rendering from OpenGL toolkits FLTK and Qt.
This enables printing without a X display, for example when ssh'ing to a remote machine, or if the figure is invisible.
Mesa's off-screen interface is used for rendering into user-allocated memory without any sort of window system or operating system dependencies. That is, the GL_FRONT colorbuffer is actually a buffer in main memory, rather than a window on your display.
The OSMesa API provides three basic functions for making off-screen renderings: OSMesaCreateContext(), OSMesaMakeCurrent(), and OSMesaDestroyContext(). See the Mesa/include/GL/osmesa.h header for more information about the API functions.
The OSMesa interface on this module has the following software renderers:
- llvmpipe - this is the high-performance Gallium LLVM driver
Further Information
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