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(in-package #:ocl)
(defun get-device-ids (platform device-type)
(let (num-devices)
(cffi:with-foreign-object (c-num-devices 'cl-uint)
(check-error (%get-device-ids platform device-type 0 (cffi:null-pointer) c-num-devices))
(setf num-devices (cffi:mem-ref c-num-devices 'cl-uint)))
(cffi:with-foreign-object (c-devices 'cl-device-id num-devices)
(check-error (%get-device-ids platform device-type num-devices c-devices (cffi:null-pointer)))
(loop :for i :below num-devices
:collect (cffi:mem-aref c-devices 'cl-device-id i)))))
(defparameter +device-info-type-alist+
'((:device-type . cl-device-type)
(:device-vendor-id . cl-uint)
(:device-max-compute-units . cl-uint)
(:device-max-work-item-dimensions . cl-uint)
(:device-max-work-group-size . :size)
(:device-max-work-item-sizes . (:pointer :size))
(:device-preferred-vector-width-char . cl-uint)
(:device-preferred-vector-width-short . cl-uint)
(:device-preferred-vector-width-int . cl-uint)
(:device-preferred-vector-width-long . cl-uint)
(:device-preferred-vector-width-float . cl-uint)
(:device-preferred-vector-width-double . cl-uint)
(:device-max-clock-frequency . cl-uint)
(:device-address-bits . cl-uint)
(:device-max-read-image-args . cl-uint)
(:device-max-write-image-args . cl-uint)
(:device-max-mem-alloc-size . cl-ulong)
(:device-image2d-max-width . :size)
(:device-image2d-max-height . :size)
(:device-image3d-max-width . :size)
(:device-image3d-max-height . :size)
(:device-image3d-max-depth . :size)
(:device-image-support . cl-bool)
(:device-max-parameter-size . :size)
(:device-max-samplers . cl-uint)
(:device-mem-base-addr-align . cl-uint)
(:device-min-data-type-align-size . cl-uint)
(:device-single-fp-config . cl-device-fp-config)
(:device-global-mem-cache-type . cl-device-mem-cache-type)
(:device-global-mem-cacheline-size . cl-uint)
(:device-global-mem-cache-size . cl-ulong)
(:device-global-mem-size . cl-ulong)
(:device-max-constant-buffer-size . cl-ulong)
(:device-max-constant-args . cl-uint)
(:device-local-mem-type . cl-device-local-mem-type)
(:device-local-mem-size . cl-ulong)
(:device-error-correction-support . cl-bool)
(:device-profiling-timer-resolution . :size)
(:device-endian-little . cl-bool)
(:device-available . cl-bool)
(:device-compiler-available . cl-bool)
(:device-execution-capabilities . cl-device-exec-capabilities)
(:device-queue-properties . cl-command-queue-properties)
(:device-queue-on-host-properties . cl-command-queue-properties)
(:device-name . :string)
(:device-vendor . :string)
(:driver-version . :string)
(:device-profile . :string)
(:device-version . :string)
(:device-extensions . :string)
(:device-platform . cl-platform-id)
(:device-double-fp-config . cl-device-fp-config)
(:device-preferred-vector-width-half . cl-uint)
(:device-host-unified-memory . cl-bool)
(:device-native-vector-width-char . cl-uint)
(:device-native-vector-width-short . cl-uint)
(:device-native-vector-width-int . cl-uint)
(:device-native-vector-width-long . cl-uint)
(:device-native-vector-width-float . cl-uint)
(:device-native-vector-width-double . cl-uint)
(:device-native-vector-width-half . cl-uint)
(:device-opencl-c-version . :string)
(:device-linker-available . cl-bool)
(:device-built-in-kernels . :string)
(:device-image-max-buffer-size . :size)
(:device-image-max-array-size . :size)
(:device-parent-device . cl-device-id)
(:device-partition-max-sub-devices . cl-uint)
(:device-partition-properties . (:pointer cl-device-partition-property))
(:device-partition-affinity-domain . cl-device-affinity-domain)
(:device-partition-type . (:pointer cl-device-partition-property))
(:device-reference-count . cl-uint)
(:device-preferred-interop-user-sync . cl-bool)
(:device-printf-buffer-size . :size)
(:device-image-pitch-alignment . cl-uint)
(:device-image-base-address-alignment . cl-uint)
(:device-max-read-write-image-args . cl-uint)
(:device-max-global-variable-size . :size)
(:device-queue-on-device-properties . cl-command-queue-properties)
(:device-queue-on-device-preferred-size . cl-uint)
(:device-queue-on-device-max-size . cl-uint)
(:device-max-on-device-queues . cl-uint)
(:device-max-on-device-events . cl-uint)
(:device-svm-capabilities . cl-device-svm-capabilities)
(:device-global-variable-preferred-total-size . :size)
(:device-max-pipe-args . cl-uint)
(:device-pipe-max-active-reservations . cl-uint)
(:device-pipe-max-packet-size . cl-uint)
(:device-preferred-platform-atomic-alignment . cl-uint)
(:device-preferred-global-atomic-alignment . cl-uint)
(:device-preferred-local-atomic-alignment . cl-uint)
(:device-il-version . :string)
(:device-max-num-sub-groups . cl-uint)
(:device-sub-group-independent-forward-progress . cl-bool)
(:device-numeric-version . cl-version)
(:device-extensions-with-version . (:pointer cl-name-version))
(:device-ils-with-version . (:pointer cl-name-version))
(:device-built-in-kernels-with-version . (:pointer cl-name-version))
(:device-atomic-memory-capabilities . cl-device-atomic-capabilities)
(:device-atomic-fence-capabilities . cl-device-atomic-capabilities)
(:device-non-uniform-work-group-support . cl-bool)
(:device-opencl-c-all-versions . (:pointer cl-name-version))
(:device-preferred-work-group-size-multiple . :size)
(:device-work-group-collective-functions-support . cl-bool)
(:device-generic-address-space-support . cl-bool)
(:device-opencl-c-features . (:pointer cl-name-version))
(:device-device-enqueue-capabilities . cl-device-device-enqueue-capabilities)
(:device-pipe-support . cl-bool)
(:device-latest-conformance-version-passed . :string)))
(wrap-get-info-function get-device-info %get-device-info +device-info-type-alist+)
;; (defun get-device-info (device param-name)
;; (let ((type (assoc-value +device-info-type-alist+ param-name))
;; (return-size nil)
;; (error-code nil)
;; (return-value nil))
;; (cffi:with-foreign-object (c-return-size :size)
;; (setf error-code (%get-device-info device param-name 0 (cffi:null-pointer) c-return-size))
;; (unless (eq error-code :success)
;; (error 'opencl-error :code error-code))
;; (setf return-size (cffi:mem-ref c-return-size :size)))
;; (cond ((vector-type-p type)
;; (let ((count (/ return-size (cffi:foreign-type-size (second type)))))
;; (cffi:with-foreign-object (c-value type count)
;; (setf error-code (%get-device-info device param-name return-size c-value (cffi:null-pointer)))
;; (setf return-value (loop :for i :below count :collect (cffi:mem-aref c-value type i))) )))
;; ((string-type-p type)
;; (setf return-value
;; (cffi:with-foreign-pointer-as-string (c-string return-size)
;; (setf error-code (%get-device-info device param-name return-size c-string (cffi:null-pointer))))))
;; (t
;; (cffi:with-foreign-object (c-value type)
;; (setf error-code (%get-device-info device param-name (cffi:foreign-type-size type)
;; c-value (cffi:null-pointer)))
;; (setf return-value (cffi:mem-ref c-value type)))))
;; (unless (eq error-code :success)
;; (error 'opencl-error :code error-code))
;; return-value))
;; (defun create-sub-devices (in-device properties)
;; (check-error (%create-sub-devices in-device )))
(defun retain-device (device)
(check-error (%retain-device device)))
(defun release-device (device)
(check-error (%release-device device)))
(defun set-default-device-command-queue (context device command-queue)
(check-error (%set-default-device-command-queue context device command-queue)))
(defun get-device-and-host-timer (device)
(cffi:with-foreign-objects ((device-timestamp 'cl-ulong)
(host-timestamp 'cl-ulong))
(check-error (%get-device-and-host-timer device device-timestamp host-timestamp))
(values (cffi:mem-ref device-timestamp 'cl-ulong)
(cffi:mem-ref host-timestamp 'cl-ulong))))
(defun get-host-timer (device)
(cffi:with-foreign-object (host-timestamp 'cl-ulong)
(check-error (%get-host-timer device host-timestamp))
(cffi:mem-ref host-timestamp 'cl-ulong)))
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