78 lines
2.5 KiB
Factor
78 lines
2.5 KiB
Factor
! Copyright (C) 2010 Doug Coleman.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors alien alien.data alien.parser alien.strings
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alien.syntax arrays assocs byte-arrays classes.struct
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combinators continuations cuda.ffi cuda.memory cuda.utils
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destructors fry init io io.backend io.encodings.string
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io.encodings.utf8 kernel lexer locals macros math math.parser
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namespaces opengl.gl.extensions parser prettyprint quotations
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sequences words cuda.libraries ;
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QUALIFIED-WITH: alien.c-types c
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IN: cuda
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: init-cuda ( -- )
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0 cuInit cuda-error ; inline
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TUPLE: function-launcher
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dim-grid dim-block shared-size stream ;
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: (set-up-cuda-context) ( device flags create-quot -- )
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H{ } clone cuda-modules set-global
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H{ } clone cuda-functions set
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call ; inline
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: (with-cuda-context) ( context quot -- )
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swap '[ [ sync-context ] ignore-errors _ destroy-context ] [ ] cleanup ; inline
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: with-cuda-context ( device flags quot -- )
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[ [ create-context ] (set-up-cuda-context) ] dip (with-cuda-context) ; inline
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: c-type>cuda-setter ( c-type -- n cuda-type )
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{
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{ [ dup c:int = ] [ drop 4 [ cuda-int* ] ] }
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{ [ dup c:uint = ] [ drop 4 [ cuda-int* ] ] }
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{ [ dup c:float = ] [ drop 4 [ cuda-float* ] ] }
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{ [ dup c:pointer? ] [ drop 4 [ cuda-int* ] ] }
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{ [ dup c:void* = ] [ drop 4 [ cuda-int* ] ] }
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} cond ;
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<PRIVATE
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: block-dim ( block -- x y z )
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dup sequence? [ 3 1 pad-tail first3 ] [ 1 1 ] if ; inline
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: grid-dim ( block -- x y )
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dup sequence? [ 2 1 pad-tail first2 ] [ 1 ] if ; inline
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PRIVATE>
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: run-function-launcher ( function-launcher function -- )
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swap
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{
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[ dim-block>> block-dim function-block-shape* ]
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[ shared-size>> function-shared-size* ]
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[
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dim-grid>>
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[ grid-dim launch-function-grid* ]
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[ launch-function* ] if*
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]
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} 2cleave ;
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: cuda-argument-setter ( offset c-type -- offset' quot )
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c-type>cuda-setter
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[ over [ + ] dip ] dip
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'[ swap _ swap _ call ] ;
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MACRO: cuda-arguments ( c-types -- quot: ( args... function -- ) )
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[ 0 ] dip [ cuda-argument-setter ] map reverse
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swap '[ _ param-size* ] suffix
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'[ _ cleave ] ;
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: define-cuda-word ( word module-name function-name arguments -- )
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[
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'[
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_ _ cached-function
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[ nip _ cuda-arguments ]
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[ run-function-launcher ] 2bi
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]
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]
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[ 2nip \ function-launcher suffix c:void function-effect ]
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3bi define-declared ;
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