How to Rotate a Vertex by a Quaternion in GLSL
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LibreOffice and AMD are working together to create a faster version of the office suite's spreadsheet that will make use of AMD's GPUs within its Heterogeneous System Architecture (HSA) based Accelerated Processing Units (APUs). The work is only just beginning though and there is no timescale for a production release of the software. AMD is joining the LibreOffice Advisory Board as part of the collaboration, sitting alongside Google, Intel, Red Hat, SUSE and the FSF, among others.At its core, the aim of the work is to take the formulae of Calc spreadsheets, convert them into OpenCL, compile that OpenCL for the GPU and execute those formulae through the GPU. In a typical PC architecture, this would be rather complex because of the difficulty of feeding a large amount of data to the GPU through small memory apertures, but with AMD's HSA, the CPU and GPU have equal access to memory, resulting in an easier environment in which to GPU accelerate applications.