2015-10-13 18:27 GMT+08:00 Timo Rothenpieler <t...@rothenpieler.org>:
> Hi >> >> I use your filter, but the kernel can't pass the compile, you should >> consider the "double" type in the kernel, some GPU card does not support >> double type >> I add "#pragma OPENCL_EXTENSION cl_khr_fp64: enable " to the kernel, but >> it does not works >> >> I will check the error tomorrow >> > > I tested this filter on Nvidia on Linux, using driver 355 and on the Intel > CPU-based OpenCL SDK so far. > Using floats potentially has an impact on the keying quality. > Hi I have check the error, for some card, yes, just like what I said above, some cards does not support double type, so we must check the opencl extension: cl_khr_fp64 before the kernel compile. If the device support, we use GPU, else, we use CPU or use float type, Is it OK? Thanks Best regards _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel
