Are there open source opencl to FPGA compilers? If you're playing with FPGA's, you might as well directly compile the kernel into a circuit, rather than buildi

Are there open source opencl to FPGA compilers? If you're playing with FPGA's, you might as well directly compile the kernel into a circuit, rather than building a gpu on an FPGA and running your kernel on that. Proprietary solutions like Altera OpenCL compiler exist.