More OpenGL Extensions Emerging In Mesa
It was just yesterday I was writing about a new OpenGL 4.1 extension in Mesa and today I have two more GL4 extensions to report on that are in the process of being enabled for the Mesa driver, in particularly within Intel's open-source code.
First up are a set of 15 patches by Chris Forbes that implement ARB_texture_view support for the Intel DRI driver. In the past there was some groundwork done on ARB_texture_view, but this new set of patches make the extension actually work for Intel's graphics driver with Ivy Bridge and Haswell. ARB_texture_view allows a texture's data store to be viewed in multiple ways and this extension is required by the OpenGL 4.3 specification.
The Intel ARB_texture_view work can be found on Mesa-dev.
The other extension work to already report on this morning is ARB_arrays_of_arrays. This work is the second-round of Mesa crowd-funding done independently by Timothy Arceri. This is another OpenGL 4.3 specification and allows basically multi-dimensional arrays within OpenGL and GLSL. It's taken some time to get this GL4 extension implemented but he's now up to a second version of the patches for review on the mailing list. Unfortunately the work isn't done in full yet -- i.e. hooking it up to the actual hardware GPU drivers -- and Arceri doesn't know how long it will be until he finishes up that work.
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