compute-runtime/documentation/LIMITATIONS.md

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# Intel(R) Graphics Compute Runtime for OpenCL(TM)
## Known Issues and Limitations
OpenCL compliance of a driver built from open-source components should not be
assumed by default. Intel will clearly designate / tag specific builds to
indicate production quality including formal compliance. Other builds should be
considered experimental.
### Functional delta
The driver has the following functional delta compared to previously released drivers:
* Intel's closed source SRB5.0 driver (aka Classic)
https://software.intel.com/en-us/articles/opencl-drivers#latest_linux_driver
* Intel's former open-source Beignet driver
https://01.org/beignet
#### Preview extensions
* cl_intelx_video_enhancement
* cl_intelx_video_enhancement_camera_pipeline
* cl_intelx_video_enhancement_color_pipeline
* cl_intelx_hevc_pak
_Currently no plan to implement. If interested in these features, please use SRB5 to evaluate and provide feedback._
#### Other capabilities
* OpenGL sharing with MESA driver - _implementation is WIP (no comitted completion date)_
* CL_MEM_SVM_FINE_GRAIN_BUFFER (if using unpatched i915) - _patch is WIP_
* Creation of OpenCL context spanning both CPU and GPU devices is currently not supported
### External components
* Driver contains header used in Source Level Debugger from Intel SDK for OpenCL version - 7.0.0.2568x64,
from: https://software.intel.com/en-us/intel-opencl , path to header in SDK: "include/"
___(*) Other names and brands may be claimed as property of others.___