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head/graphics/dri/pkg-help
The GALLIUM option enables gallium (llvm) backed drivers such as for example | VAAPI and VDPAU options enable building Gallium based VA-API and VDPAU | ||||
the r600 and radeonsi driver. | drivers to decode video on the GPU via libva and libvdpau, respectively. | ||||
Gallium based VAAPI and VDPAU drivers are only available for Radeon GPUs. | |||||
The VDPAU option enables VDPAU drivers to decode video on the GPU via the | Both GPU decode options require newer drm drivers than are currently present | ||||
VDPAU library. | in a released FreeBSD kernel. These are options for DRM-next and DragonFly. | ||||
The TEXTURE option enables texture-float support. However Silicon Graphics | The TEXTURE option enables texture-float support, which SGI claims requires | ||||
owns the US Patent #6,650,327 [1]. Use at your own risk! | US Patent #6,650,327 [1], filed Jun 16, 1998 thus expiring on Jun 16, 2018. | ||||
Use may require a license depending on jurisdiction, consult a lawyer. | |||||
See docs/patents.txt in the Mesa tarball or the follewing urls: | See docs/patents.txt in the Mesa tarball or the following URLs: | ||||
[1] http://www.google.com/patents/about?id=mIIOAAAAEBAJ&dq=6650327 | [1] https://www.google.com/patents/US6650327 | ||||
[2] http://www.opengl.org/registry/specs/ARB/texture_float.txt | [2] http://www.opengl.org/registry/specs/ARB/texture_float.txt |