… | |
… | |
157 | $id = get_global_id (0); |
157 | $id = get_global_id (0); |
158 | output [id] = input [id] * input [id]; |
158 | output [id] = input [id] * input [id]; |
159 | } |
159 | } |
160 | '; |
160 | '; |
161 | |
161 | |
162 | my $prog = $ctx->program_with_source ($src); |
162 | my $prog = $ctx->build_program ($src); |
163 | |
|
|
164 | # build croaks on compile errors, so catch it and print the compile errors |
|
|
165 | eval { $prog->build ($dev); 1 } |
|
|
166 | or die $prog->build_log; |
|
|
167 | |
|
|
168 | my $kernel = $prog->kernel ("squareit"); |
163 | my $kernel = $prog->kernel ("squareit"); |
169 | |
164 | |
170 | =head2 Create some input and output float buffers, then call the |
165 | =head2 Create some input and output float buffers, then call the |
171 | 'squareit' kernel on them. |
166 | 'squareit' kernel on them. |
172 | |
167 | |
… | |
… | |
267 | |
262 | |
268 | float3 colour = (float3)(z.x, z.y, z.x * z.y); |
263 | float3 colour = (float3)(z.x, z.y, z.x * z.y); |
269 | write_imagef (img, (int2)(get_global_id (0), get_global_id (1)), (float4)(colour * p.x * p.x, 1.)); |
264 | write_imagef (img, (int2)(get_global_id (0), get_global_id (1)), (float4)(colour * p.x * p.x, 1.)); |
270 | } |
265 | } |
271 | EOF |
266 | EOF |
|
|
267 | |
272 | my $prog = $ctx->program_with_source ($src); |
268 | my $prog = $ctx->build_program ($src); |
273 | eval { $prog->build ($dev); 1 } |
|
|
274 | or die $prog->build_log ($dev); |
|
|
275 | |
|
|
276 | my $kernel = $prog->kernel ("juliatunnel"); |
269 | my $kernel = $prog->kernel ("juliatunnel"); |
277 | |
270 | |
278 | # program compiled, kernel ready, now draw and loop |
271 | # program compiled, kernel ready, now draw and loop |
279 | |
272 | |
280 | for (my $time; ; ++$time) { |
273 | for (my $time; ; ++$time) { |
… | |
… | |
336 | =item * Structures are often specified by flattening out their components |
329 | =item * Structures are often specified by flattening out their components |
337 | as with short vectors, and returned as arrayrefs. |
330 | as with short vectors, and returned as arrayrefs. |
338 | |
331 | |
339 | =item * When enqueuing commands, the wait list is specified by adding |
332 | =item * When enqueuing commands, the wait list is specified by adding |
340 | extra arguments to the function - anywhere a C<$wait_events...> argument |
333 | extra arguments to the function - anywhere a C<$wait_events...> argument |
341 | is documented this can be any number of event objects. |
334 | is documented this can be any number of event objects. As an extsnion |
|
|
335 | implemented by this module, C<undef> values will be ignored in the event |
|
|
336 | list. |
342 | |
337 | |
343 | =item * When enqueuing commands, if the enqueue method is called in void |
338 | =item * When enqueuing commands, if the enqueue method is called in void |
344 | context, no event is created. In all other contexts an event is returned |
339 | context, no event is created. In all other contexts an event is returned |
345 | by the method. |
340 | by the method. |
346 | |
341 | |
… | |
… | |
381 | |
376 | |
382 | For this to work, the OpenGL library must be loaded, a GLX context must |
377 | For this to work, the OpenGL library must be loaded, a GLX context must |
383 | have been created and be made current, and C<dlsym> must be available and |
378 | have been created and be made current, and C<dlsym> must be available and |
384 | capable of finding the function via C<RTLD_DEFAULT>. |
379 | capable of finding the function via C<RTLD_DEFAULT>. |
385 | |
380 | |
|
|
381 | =cut |
|
|
382 | |
|
|
383 | package OpenCL; |
|
|
384 | |
|
|
385 | use common::sense; |
|
|
386 | |
|
|
387 | BEGIN { |
|
|
388 | our $VERSION = '0.96'; |
|
|
389 | |
|
|
390 | require XSLoader; |
|
|
391 | XSLoader::load (__PACKAGE__, $VERSION); |
|
|
392 | |
|
|
393 | @OpenCL::Platform::ISA = |
|
|
394 | @OpenCL::Device::ISA = |
|
|
395 | @OpenCL::Context::ISA = |
|
|
396 | @OpenCL::Queue::ISA = |
|
|
397 | @OpenCL::Memory::ISA = |
|
|
398 | @OpenCL::Sampler::ISA = |
|
|
399 | @OpenCL::Program::ISA = |
|
|
400 | @OpenCL::Kernel::ISA = |
|
|
401 | @OpenCL::Event::ISA = OpenCL::Object::; |
|
|
402 | |
|
|
403 | @OpenCL::Buffer::ISA = |
|
|
404 | @OpenCL::Image::ISA = OpenCL::Memory::; |
|
|
405 | |
|
|
406 | @OpenCL::BufferObj::ISA = OpenCL::Buffer::; |
|
|
407 | |
|
|
408 | @OpenCL::Image2D::ISA = |
|
|
409 | @OpenCL::Image3D::ISA = |
|
|
410 | @OpenCL::Image2DArray::ISA = |
|
|
411 | @OpenCL::Image1D::ISA = |
|
|
412 | @OpenCL::Image1DArray::ISA = |
|
|
413 | @OpenCL::Image1DBuffer::ISA = OpenCL::Image::; |
|
|
414 | |
|
|
415 | @OpenCL::UserEvent::ISA = OpenCL::Event::; |
|
|
416 | } |
|
|
417 | |
386 | =head2 THE OpenCL PACKAGE |
418 | =head2 THE OpenCL PACKAGE |
387 | |
419 | |
388 | =over 4 |
420 | =over 4 |
389 | |
421 | |
390 | =item $int = OpenCL::errno |
422 | =item $int = OpenCL::errno |
… | |
… | |
422 | |
454 | |
423 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clWaitForEvents.html> |
455 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clWaitForEvents.html> |
424 | |
456 | |
425 | =back |
457 | =back |
426 | |
458 | |
|
|
459 | =head2 THE OpenCL::Object CLASS |
|
|
460 | |
|
|
461 | This is the base class for all objects in the OpenCL module. The only |
|
|
462 | method it implements is the C<id> method, which is only useful if you want |
|
|
463 | to interface to OpenCL on the C level. |
|
|
464 | |
|
|
465 | =over 4 |
|
|
466 | |
|
|
467 | =item $iv = $obj->id |
|
|
468 | |
|
|
469 | OpenCL objects are represented by pointers or integers on the C level. If |
|
|
470 | you want to interface to an OpenCL object directly on the C level, then |
|
|
471 | you need this value, which is returned by this method. You should use an |
|
|
472 | C<IV> type in your code and cast that to the correct type. |
|
|
473 | |
|
|
474 | =cut |
|
|
475 | |
|
|
476 | sub OpenCL::Object::id { |
|
|
477 | ${$_[0]} |
|
|
478 | } |
|
|
479 | |
|
|
480 | =back |
|
|
481 | |
427 | =head2 THE OpenCL::Platform CLASS |
482 | =head2 THE OpenCL::Platform CLASS |
428 | |
483 | |
429 | =over 4 |
484 | =over 4 |
430 | |
485 | |
431 | =item @devices = $platform->devices ($type = OpenCL::DEVICE_TYPE_ALL) |
486 | =item @devices = $platform->devices ($type = OpenCL::DEVICE_TYPE_ALL) |
… | |
… | |
454 | It's best to avoid this method and use one of the following convenience |
509 | It's best to avoid this method and use one of the following convenience |
455 | wrappers. |
510 | wrappers. |
456 | |
511 | |
457 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformInfo.html> |
512 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformInfo.html> |
458 | |
513 | |
|
|
514 | =item $platform->unload_compiler |
|
|
515 | |
|
|
516 | Attempts to unload the compiler for this platform, for endless |
|
|
517 | profit. Does nothing on OpenCL 1.1. |
|
|
518 | |
|
|
519 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clUnloadPlatformCompiler.html> |
|
|
520 | |
459 | =for gengetinfo begin platform |
521 | =for gengetinfo begin platform |
460 | |
522 | |
461 | =item $string = $platform->profile |
523 | =item $string = $platform->profile |
462 | |
524 | |
463 | Calls C<clGetPlatformInfo> with C<CL_PLATFORM_PROFILE> and returns the result. |
525 | Calls C<clGetPlatformInfo> with C<CL_PLATFORM_PROFILE> and returns the result. |
… | |
… | |
748 | |
810 | |
749 | =item @device_partition_property_exts = $device->affinity_domains_ext |
811 | =item @device_partition_property_exts = $device->affinity_domains_ext |
750 | |
812 | |
751 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_AFFINITY_DOMAINS_EXT> and returns the result. |
813 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_AFFINITY_DOMAINS_EXT> and returns the result. |
752 | |
814 | |
753 | =item $uint = $device->reference_count_ext |
815 | =item $uint = $device->reference_count_ext |
754 | |
816 | |
755 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_REFERENCE_COUNT_EXT > and returns the result. |
817 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_REFERENCE_COUNT_EXT> and returns the result. |
756 | |
818 | |
757 | =item @device_partition_property_exts = $device->partition_style_ext |
819 | =item @device_partition_property_exts = $device->partition_style_ext |
758 | |
820 | |
759 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PARTITION_STYLE_EXT> and returns the result. |
821 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PARTITION_STYLE_EXT> and returns the result. |
760 | |
822 | |
… | |
… | |
764 | |
826 | |
765 | =head2 THE OpenCL::Context CLASS |
827 | =head2 THE OpenCL::Context CLASS |
766 | |
828 | |
767 | =over 4 |
829 | =over 4 |
768 | |
830 | |
|
|
831 | =item $prog = $ctx->build_program ($program, $options = "") |
|
|
832 | |
|
|
833 | This convenience function tries to build the program on all devices in |
|
|
834 | the context. If the build fails, then the function will C<croak> with the |
|
|
835 | build log. Otherwise ti returns the program object. |
|
|
836 | |
|
|
837 | The C<$program> can either be a C<OpenCL::Program> object or a string |
|
|
838 | containing the program. In the latter case, a program objetc will be |
|
|
839 | created automatically. |
|
|
840 | |
|
|
841 | =cut |
|
|
842 | |
|
|
843 | sub OpenCL::Context::build_program { |
|
|
844 | my ($self, $prog, $options) = @_; |
|
|
845 | |
|
|
846 | $prog = $self->program_with_source ($prog) |
|
|
847 | unless ref $prog; |
|
|
848 | |
|
|
849 | for my $dev ($self->devices) { |
|
|
850 | eval { $prog->build ($dev, $options); 1 } |
|
|
851 | or Carp::croak "Building OpenCL program for device '" . $dev->name . "' failed:\n" |
|
|
852 | . $prog->build_log ($dev); |
|
|
853 | } |
|
|
854 | |
|
|
855 | $prog |
|
|
856 | } |
|
|
857 | |
769 | =item $queue = $ctx->queue ($device, $properties) |
858 | =item $queue = $ctx->queue ($device, $properties) |
770 | |
859 | |
771 | Create a new OpenCL::Queue object from the context and the given device. |
860 | Create a new OpenCL::Queue object from the context and the given device. |
772 | |
861 | |
773 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateCommandQueue.html> |
862 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateCommandQueue.html> |
|
|
863 | |
|
|
864 | Example: create an out-of-order queue. |
|
|
865 | |
|
|
866 | $queue = $ctx->queue ($device, OpenCL::QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE); |
774 | |
867 | |
775 | =item $ev = $ctx->user_event |
868 | =item $ev = $ctx->user_event |
776 | |
869 | |
777 | Creates a new OpenCL::UserEvent object. |
870 | Creates a new OpenCL::UserEvent object. |
778 | |
871 | |
… | |
… | |
788 | =item $buf = $ctx->buffer_sv ($flags, $data) |
881 | =item $buf = $ctx->buffer_sv ($flags, $data) |
789 | |
882 | |
790 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object and |
883 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object and |
791 | initialise it with the given data values. |
884 | initialise it with the given data values. |
792 | |
885 | |
|
|
886 | =item $img = $ctx->image ($self, $flags, $channel_order, $channel_type, $type, $width, $height, $depth, $array_size = 0, $row_pitch = 0, $slice_pitch = 0, $num_mip_level = 0, $num_samples = 0, $*data = &PL_sv_undef) |
|
|
887 | |
|
|
888 | Creates a new OpenCL::Image object and optionally initialises it with |
|
|
889 | the given data values. |
|
|
890 | |
|
|
891 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateImage.html> |
|
|
892 | |
793 | =item $img = $ctx->image2d ($flags, $channel_order, $channel_type, $width, $height, $row_pitch = 0, $data = undef) |
893 | =item $img = $ctx->image2d ($flags, $channel_order, $channel_type, $width, $height, $row_pitch = 0, $data = undef) |
794 | |
894 | |
795 | Creates a new OpenCL::Image2D object and optionally initialises it with |
895 | Creates a new OpenCL::Image2D object and optionally initialises it with |
796 | the given data values. |
896 | the given data values. |
797 | |
897 | |
… | |
… | |
809 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object that refers to the given |
909 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object that refers to the given |
810 | OpenGL buffer object. |
910 | OpenGL buffer object. |
811 | |
911 | |
812 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLBuffer.html |
912 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLBuffer.html |
813 | |
913 | |
|
|
914 | =item $img = $ctx->gl_texture ($flags, $target, $miplevel, $texture) |
|
|
915 | |
|
|
916 | Creates a new OpenCL::Image object that refers to the given OpenGL |
|
|
917 | texture object or buffer. |
|
|
918 | |
|
|
919 | http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateFromGLTexture.html |
|
|
920 | |
814 | =item $ctx->gl_texture2d ($flags, $target, $miplevel, $texture) |
921 | =item $img = $ctx->gl_texture2d ($flags, $target, $miplevel, $texture) |
815 | |
922 | |
816 | Creates a new OpenCL::Image2D object that refers to the given OpenGL |
923 | Creates a new OpenCL::Image2D object that refers to the given OpenGL |
817 | 2D texture object. |
924 | 2D texture object. |
818 | |
925 | |
819 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLTexture2D.html |
926 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLTexture2D.html |
820 | |
927 | |
821 | =item $ctx->gl_texture3d ($flags, $target, $miplevel, $texture) |
928 | =item $img = $ctx->gl_texture3d ($flags, $target, $miplevel, $texture) |
822 | |
929 | |
823 | Creates a new OpenCL::Image3D object that refers to the given OpenGL |
930 | Creates a new OpenCL::Image3D object that refers to the given OpenGL |
824 | 3D texture object. |
931 | 3D texture object. |
825 | |
932 | |
826 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLTexture3D.html |
933 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLTexture3D.html |
… | |
… | |
889 | for completion, unless the method is called in void context, in which case |
996 | for completion, unless the method is called in void context, in which case |
890 | no event object is created. |
997 | no event object is created. |
891 | |
998 | |
892 | They also allow you to specify any number of other event objects that this |
999 | They also allow you to specify any number of other event objects that this |
893 | request has to wait for before it starts executing, by simply passing the |
1000 | request has to wait for before it starts executing, by simply passing the |
894 | event objects as extra parameters to the enqueue methods. |
1001 | event objects as extra parameters to the enqueue methods. To simplify |
|
|
1002 | program design, this module ignores any C<undef> values in the list of |
|
|
1003 | events. This makes it possible to code operations such as this, without |
|
|
1004 | having to put a valid event object into C<$event> first: |
|
|
1005 | |
|
|
1006 | $event = $queue->enqueue_xxx (..., $event); |
895 | |
1007 | |
896 | Queues execute in-order by default, without any parallelism, so in most |
1008 | Queues execute in-order by default, without any parallelism, so in most |
897 | cases (i.e. you use only one queue) it's not necessary to wait for or |
1009 | cases (i.e. you use only one queue) it's not necessary to wait for or |
898 | create event objects. |
1010 | create event objects, althoguh an our of order queue is often a bit |
|
|
1011 | faster. |
899 | |
1012 | |
900 | =over 4 |
1013 | =over 4 |
901 | |
1014 | |
902 | =item $ev = $queue->enqueue_read_buffer ($buffer, $blocking, $offset, $len, $data, $wait_events...) |
1015 | =item $ev = $queue->enqueue_read_buffer ($buffer, $blocking, $offset, $len, $data, $wait_events...) |
903 | |
1016 | |
… | |
… | |
946 | =item $ev = $queue->enqueue_copy_buffer_rect ($src, $dst, $src_x, $src_y, $src_z, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $src_row_pitch, $src_slice_pitch, $dst_row_pitch, $dst_slice_pitch, $wait_event...) |
1059 | =item $ev = $queue->enqueue_copy_buffer_rect ($src, $dst, $src_x, $src_y, $src_z, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $src_row_pitch, $src_slice_pitch, $dst_row_pitch, $dst_slice_pitch, $wait_event...) |
947 | |
1060 | |
948 | Yeah. |
1061 | Yeah. |
949 | |
1062 | |
950 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBufferToImage.html>. |
1063 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBufferToImage.html>. |
|
|
1064 | |
|
|
1065 | =item $ev = $queue->enqueue_fill_buffer ($mem, $pattern, $offset, $size, ...) |
|
|
1066 | |
|
|
1067 | Fills the given buffer object with repeated applications of C<$pattern>, |
|
|
1068 | starting at C<$offset> for C<$size> octets. |
|
|
1069 | |
|
|
1070 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clEnqueueFillBuffer.html> |
|
|
1071 | |
|
|
1072 | =item $ev = $queue->enqueue_fill_image ($img, $r, $g, $b, $a, $x, $y, $z, $width, $height, $depth, ...) |
|
|
1073 | |
|
|
1074 | Fills the given image area with the given rgba colour components. The |
|
|
1075 | components are normally floating point values between C<0> and C<1>, |
|
|
1076 | except when the image channel data type is a signe dor unsigned |
|
|
1077 | unnormalised format, in which case the range is determined by the format. |
|
|
1078 | |
|
|
1079 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clEnqueueFillImage.html> |
951 | |
1080 | |
952 | =item $ev = $queue->enqueue_task ($kernel, $wait_events...) |
1081 | =item $ev = $queue->enqueue_task ($kernel, $wait_events...) |
953 | |
1082 | |
954 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueTask.html> |
1083 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueTask.html> |
955 | |
1084 | |
… | |
… | |
969 | reference to an array of local work sizes, with the same number of |
1098 | reference to an array of local work sizes, with the same number of |
970 | elements as @$global_work_size. |
1099 | elements as @$global_work_size. |
971 | |
1100 | |
972 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueNDRangeKernel.html> |
1101 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueNDRangeKernel.html> |
973 | |
1102 | |
974 | =item $ev = $queue->enqueue_marker ($wait_events...) |
|
|
975 | |
|
|
976 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueMarker.html> |
|
|
977 | |
|
|
978 | =item $ev = $queue->enqueue_acquire_gl_objects ([object, ...], $wait_events...) |
1103 | =item $ev = $queue->enqueue_acquire_gl_objects ([object, ...], $wait_events...) |
979 | |
1104 | |
980 | Enqueues a list (an array-ref of OpenCL::Memory objects) to be acquired |
1105 | Enqueues a list (an array-ref of OpenCL::Memory objects) to be acquired |
981 | for subsequent OpenCL usage. |
1106 | for subsequent OpenCL usage. |
982 | |
1107 | |
… | |
… | |
991 | |
1116 | |
992 | =item $ev = $queue->enqueue_wait_for_events ($wait_events...) |
1117 | =item $ev = $queue->enqueue_wait_for_events ($wait_events...) |
993 | |
1118 | |
994 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWaitForEvents.html> |
1119 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWaitForEvents.html> |
995 | |
1120 | |
996 | =item $queue->enqueue_barrier |
1121 | =item $ev = $queue->enqueue_marker ($wait_events...) |
997 | |
1122 | |
|
|
1123 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clEnqueueMarkerWithWaitList.html> |
|
|
1124 | |
|
|
1125 | =item $ev = $queue->enqueue_barrier ($wait_events...) |
|
|
1126 | |
998 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueBarrier.html> |
1127 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clEnqueueBarrierWithWaitList.html> |
999 | |
1128 | |
1000 | =item $queue->flush |
1129 | =item $queue->flush |
1001 | |
1130 | |
1002 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clFlush.html> |
1131 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clFlush.html> |
1003 | |
1132 | |
… | |
… | |
1118 | |
1247 | |
1119 | =back |
1248 | =back |
1120 | |
1249 | |
1121 | =head2 THE OpenCL::Image CLASS |
1250 | =head2 THE OpenCL::Image CLASS |
1122 | |
1251 | |
1123 | This is the superclass of all image objects - OpenCL::Image2D and OpenCL::Image3D. |
1252 | This is the superclass of all image objects - OpenCL::Image1D, |
|
|
1253 | OpenCL::Image1DArray, OpenCL::Image1DBuffer, OpenCL::Image2D, |
|
|
1254 | OpenCL::Image2DArray and OpenCL::Image3D. |
1124 | |
1255 | |
1125 | =over 4 |
1256 | =over 4 |
1126 | |
1257 | |
1127 | =item $packed_value = $ev->image_info ($name) |
1258 | =item $packed_value = $image->image_info ($name) |
1128 | |
1259 | |
1129 | See C<< $platform->info >> for details. |
1260 | See C<< $platform->info >> for details. |
1130 | |
1261 | |
1131 | The reason this method is not called C<info> is that there already is an |
1262 | The reason this method is not called C<info> is that there already is an |
1132 | C<< ->info >> method inherited from C<OpenCL::Memory>. |
1263 | C<< ->info >> method inherited from C<OpenCL::Memory>. |
1133 | |
1264 | |
1134 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetImageInfo.html> |
1265 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetImageInfo.html> |
1135 | |
1266 | |
|
|
1267 | =item ($channel_order, $channel_data_type) = $image->format |
|
|
1268 | |
|
|
1269 | Returns the channel order and type used to create the image by calling |
|
|
1270 | C<clGetImageInfo> with C<CL_IMAGE_FORMAT>. |
|
|
1271 | |
1136 | =for gengetinfo begin image |
1272 | =for gengetinfo begin image |
1137 | |
1273 | |
1138 | =item $int = $image->element_size |
1274 | =item $int = $image->element_size |
1139 | |
1275 | |
1140 | Calls C<clGetImageInfo> with C<CL_IMAGE_ELEMENT_SIZE> and returns the result. |
1276 | Calls C<clGetImageInfo> with C<CL_IMAGE_ELEMENT_SIZE> and returns the result. |
… | |
… | |
1215 | |
1351 | |
1216 | =over 4 |
1352 | =over 4 |
1217 | |
1353 | |
1218 | =item $program->build ($device, $options = "") |
1354 | =item $program->build ($device, $options = "") |
1219 | |
1355 | |
1220 | Tries to build the program with the givne options. |
1356 | Tries to build the program with the given options. See also the |
|
|
1357 | C<$ctx->build> convenience function. |
1221 | |
1358 | |
1222 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clBuildProgram.html> |
1359 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clBuildProgram.html> |
1223 | |
1360 | |
1224 | =item $packed_value = $program->build_info ($device, $name) |
1361 | =item $packed_value = $program->build_info ($device, $name) |
1225 | |
1362 | |
… | |
… | |
1232 | |
1369 | |
1233 | Creates an OpenCL::Kernel object out of the named C<__kernel> function in |
1370 | Creates an OpenCL::Kernel object out of the named C<__kernel> function in |
1234 | the program. |
1371 | the program. |
1235 | |
1372 | |
1236 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateKernel.html> |
1373 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateKernel.html> |
|
|
1374 | |
|
|
1375 | =item @kernels = $program->kernels_in_program |
|
|
1376 | |
|
|
1377 | Returns all kernels successfully compiled for all devices in program. |
|
|
1378 | |
|
|
1379 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateKernelsInProgram.html |
1237 | |
1380 | |
1238 | =for gengetinfo begin program_build |
1381 | =for gengetinfo begin program_build |
1239 | |
1382 | |
1240 | =item $build_status = $program->build_status ($device) |
1383 | =item $build_status = $program->build_status ($device) |
1241 | |
1384 | |
… | |
… | |
1377 | float and double as floating point values, memory/buffer/image2d/image3d |
1520 | float and double as floating point values, memory/buffer/image2d/image3d |
1378 | must be an object of that type or C<undef>, local-memory arguments are |
1521 | must be an object of that type or C<undef>, local-memory arguments are |
1379 | set by specifying the size, and sampler and event must be objects of that |
1522 | set by specifying the size, and sampler and event must be objects of that |
1380 | type. |
1523 | type. |
1381 | |
1524 | |
|
|
1525 | Setting an argument for a kernel does NOT keep a reference to the object - |
|
|
1526 | for example, if you set an argument to some image object, free the image, |
|
|
1527 | and call the kernel, you will run into undefined behaviour. |
|
|
1528 | |
1382 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clSetKernelArg.html> |
1529 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clSetKernelArg.html> |
1383 | |
1530 | |
1384 | =back |
1531 | =back |
1385 | |
1532 | |
1386 | =head2 THE OpenCL::Event CLASS |
1533 | =head2 THE OpenCL::Event CLASS |
… | |
… | |
1469 | |
1616 | |
1470 | =back |
1617 | =back |
1471 | |
1618 | |
1472 | =cut |
1619 | =cut |
1473 | |
1620 | |
1474 | package OpenCL; |
|
|
1475 | |
|
|
1476 | use common::sense; |
|
|
1477 | |
|
|
1478 | BEGIN { |
|
|
1479 | our $VERSION = '0.95'; |
|
|
1480 | |
|
|
1481 | require XSLoader; |
|
|
1482 | XSLoader::load (__PACKAGE__, $VERSION); |
|
|
1483 | |
|
|
1484 | @OpenCL::Buffer::ISA = |
|
|
1485 | @OpenCL::Image::ISA = OpenCL::Memory::; |
|
|
1486 | |
|
|
1487 | @OpenCL::BufferObj::ISA = OpenCL::Buffer::; |
|
|
1488 | |
|
|
1489 | @OpenCL::Image2D::ISA = |
|
|
1490 | @OpenCL::Image3D::ISA = OpenCL::Image::; |
|
|
1491 | |
|
|
1492 | @OpenCL::UserEvent::ISA = OpenCL::Event::; |
|
|
1493 | } |
|
|
1494 | |
|
|
1495 | 1; |
1621 | 1; |
1496 | |
1622 | |
1497 | =head1 AUTHOR |
1623 | =head1 AUTHOR |
1498 | |
1624 | |
1499 | Marc Lehmann <schmorp@schmorp.de> |
1625 | Marc Lehmann <schmorp@schmorp.de> |