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+These are the headers for NVIDIA's OptiX ray tracing API. Usage of this
+API allows for an application to offload its ray tracing calculations
+to the system's onboard NVIDIA GPU card, potentially drastically
+render speeds.
+
+Currently, this is only present in the SlackBuilds.org repository as an
+optional dependency for graphics/Blender. If this is installed, the
+graphics/Blender SlackBuild will automatically detect the OptiX headers
+and Blender will be built with support for OptiX, allowing to use it
+for rendering, as well as GPGPU-accelerated image denoising.
+
+This SlackBuild also requires a recent CUDA toolkit (probably newer
+than the current one available in the SBo repository). It will install
+without it, it just will be useless without it.
+