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(asdf:load-systems :slynk :opencl :alexandria)
(in-package #:ocl)
;; (slynk:create-server)
(defun print-platform (platform)
(loop :for info :in '(:platform-profile
:platform-version
:platform-name
:platform-vendor
:platform-extensions
:platform-host-timer-resolution)
:do
(format t "~A: ~A~%" info (get-platform-info platform info))))
(defun main (context kernel queue)
(let* ((a (make-array 3 :element-type 'single-float :initial-contents '(1.0 2.0 3.0)))
(b (make-array 3 :element-type 'single-float :initial-contents '(2.0 2.0 3.0)))
(c (make-array 3 :element-type 'single-float))
(size (* (cffi:foreign-type-size :float) 3)))
(with-buffer-from-array (a-buffer context '(:mem-copy-host-ptr :mem-read-only) a)
(with-buffer-from-array (b-buffer context '(:mem-copy-host-ptr :mem-read-only) b)
(with-buffer (c-buffer context :mem-write-only size)
(set-kernel-arg kernel 0 'cl-mem a-buffer)
(set-kernel-arg kernel 1 'cl-mem b-buffer)
(set-kernel-arg kernel 2 'cl-mem c-buffer)
(set-kernel-arg kernel 3 :unsigned-int 3)
(enqueue-nd-range-kernel queue kernel 0 3 1)
(finish queue)
(copy-buffer-to-array queue c-buffer c)
(dotimes (i 3)
(format t "~A~%" (aref c i))))))))
(let ((platforms (get-platform-ids)))
(format t "~&Found ~A OpenCL platforms!~%" (length platforms))
(print-platform (first platforms))
(let ((devices (get-device-ids (first platforms) :device-type-cpu)))
(format t "Found ~A devices!~%Type: ~A~%" (length devices)
(get-device-info (first devices) :device-type))
(with-context (context devices :platform (first platforms))
(with-program-from-source (program context (alexandria:read-file-into-string "test.cl"))
(build-program program (first devices))
(with-command-queue (queue context (first devices))
(with-kernel (kernel program "vecAdd")
(main context kernel queue)))))))
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