! Copyright (C) 2010 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
-USING: accessors alien.data alien.parser arrays
-assocs combinators cuda cuda.ffi fry io.backend kernel macros
-math namespaces sequences words ;
+USING: accessors alien.data alien.parser arrays assocs
+byte-arrays classes.struct combinators combinators.short-circuit
+cuda cuda.ffi fry generalizations io.backend kernel macros math
+namespaces sequences words ;
+FROM: classes.struct.private => compute-struct-offsets write-struct-slot ;
QUALIFIED-WITH: alien.c-types c
IN: cuda.libraries
: ?delete-at ( key assoc -- old/key ? )
2dup delete-at* [ 2nip t ] [ 2drop f ] if ; inline
-: cuda-int ( function offset value -- )
- cuParamSeti cuda-error ; inline
-
-: cuda-float ( function offset value -- )
- cuParamSetf cuda-error ; inline
+: cuda-param-size ( function n -- )
+ cuParamSetSize cuda-error ; inline
: cuda-vector ( function offset ptr n -- )
cuParamSetv cuda-error ; inline
-: param-size ( function n -- )
- cuParamSetSize cuda-error ; inline
-
: launch-function-grid ( function width height -- )
cuLaunchGrid cuda-error ; inline
: <grid-shared-stream> ( dim-grid dim-block shared-size stream -- grid )
grid boa ; inline
-: c-type>cuda-setter ( c-type -- n cuda-type )
- {
- { [ dup c:int = ] [ drop 4 [ cuda-int ] ] }
- { [ dup c:uint = ] [ drop 4 [ cuda-int ] ] }
- { [ dup c:float = ] [ drop 4 [ cuda-float ] ] }
- { [ dup c:pointer? ] [ drop 4 [ cuda-int ] ] }
- { [ dup c:void* = ] [ drop 4 [ cuda-int ] ] }
- } cond ;
-
<PRIVATE
: block-dim ( block -- x y z )
dup sequence? [ 3 1 pad-tail first3 ] [ 1 1 ] if ; inline
]
} 2cleave ;
-: cuda-argument-setter ( offset c-type -- offset' quot )
- c-type>cuda-setter
- [ over [ + ] dip ] dip
- '[ swap _ swap _ call ] ;
+<PRIVATE
+: make-param-buffer ( function size -- buffer size )
+ [ cuda-param-size ] [ (byte-array) ] [ ] tri ; inline
+
+: fill-param-buffer ( values... buffer quots... n -- )
+ [ cleave-curry ] [ spread* ] bi ; inline
+
+: >argument-type ( c-type -- c-type' )
+ dup { [ c:void* = ] [ c:pointer? ] } 1|| [ drop CUdeviceptr ] when ;
+
+: >argument-struct-slot ( type -- slot )
+ "cuda-arg" swap >argument-type { } <struct-slot-spec> ;
+
+: [cuda-arguments] ( c-types -- quot )
+ [ >argument-struct-slot ] map
+ [ compute-struct-offsets ]
+ [ [ '[ _ write-struct-slot ] ] [ ] map-as ]
+ [ length ] tri
+ '[
+ [ _ make-param-buffer [ drop @ _ fill-param-buffer ] 2keep ]
+ [ '[ _ 0 ] 2dip cuda-vector ] bi
+ ] ;
+PRIVATE>
MACRO: cuda-arguments ( c-types -- quot: ( args... function -- ) )
- [ 0 ] dip [ cuda-argument-setter ] map reverse
- swap '[ _ param-size ] suffix
- '[ _ cleave ] ;
+ [ [ 0 cuda-param-size ] ] [ [cuda-arguments] ] if-empty ;
: get-function-ptr ( module string -- function )
[ CUfunction <c-object> ] 2dip