1 ! Copyright (C) 2010 Joe Groff.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors alien alien.c-types alien.data alien.destructors
4 alien.enums continuations cuda cuda.contexts cuda.ffi
5 cuda.gl.ffi destructors fry gpu.buffers kernel ;
8 : create-gl-cuda-context ( device flags -- context )
10 [ { CUcontext } ] 2dip
11 '[ _ _ cuGLCtxCreate cuda-error ] with-out-parameters ; inline
13 : with-gl-cuda-context ( device flags quot -- )
14 [ set-up-cuda-context create-gl-cuda-context ] dip (with-cuda-context) ; inline
16 : gl-buffer>resource ( gl-buffer flags -- resource )
18 [ { CUgraphicsResource } ] 2dip
19 '[ _ _ cuGraphicsGLRegisterBuffer cuda-error ] with-out-parameters ; inline
21 : buffer>resource ( buffer flags -- resource )
22 [ handle>> ] dip gl-buffer>resource ; inline
24 : map-resource ( resource -- device-ptr size )
25 [ 1 swap void* <ref> f cuGraphicsMapResources cuda-error ] [
26 [ { CUdeviceptr uint } ] dip
27 '[ _ cuGraphicsResourceGetMappedPointer cuda-error ]
31 : unmap-resource ( resource -- )
32 1 swap void* <ref> f cuGraphicsUnmapResources cuda-error ; inline
34 DESTRUCTOR: unmap-resource
36 : free-resource ( resource -- )
37 cuGraphicsUnregisterResource cuda-error ; inline
39 DESTRUCTOR: free-resource
41 : with-mapped-resource ( ..a resource quot: ( ..a device-ptr size -- ..b ) -- ..b )
42 over [ map-resource ] 2dip '[ _ unmap-resource ] [ ] cleanup ; inline
46 { resource pinned-c-ptr } ;
48 : <cuda-buffer> ( upload usage kind size initial-data flags -- buffer )
49 [ <buffer> dup ] dip buffer>resource cuda-buffer boa ; inline
51 M: cuda-buffer dispose
52 [ [ free-resource ] when* f ] change-resource
53 buffer>> dispose ; inline
55 : with-mapped-cuda-buffer ( ..a cuda-buffer quot: ( ..a device-ptr size -- ..b ) -- ..b )
56 [ resource>> ] dip with-mapped-resource ; inline