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Revision 1.74 by root, Fri May 4 15:04:51 2012 UTC vs.
Revision 1.83 by root, Sat May 5 15:11:19 2012 UTC

28specific device ("compiling and linking"), also binary programs. For each 28specific device ("compiling and linking"), also binary programs. For each
29kernel function in a program you can then create an OpenCL::Kernel object 29kernel function in a program you can then create an OpenCL::Kernel object
30which represents basically a function call with argument values. 30which represents basically a function call with argument values.
31 31
32OpenCL::Memory objects of various flavours: OpenCL::Buffer objects (flat 32OpenCL::Memory objects of various flavours: OpenCL::Buffer objects (flat
33memory areas, think arrays or structs) and OpenCL::Image objects (think 2d 33memory areas, think arrays or structs) and OpenCL::Image objects (think 2D
34or 3d array) for bulk data and input and output for kernels. 34or 3D array) for bulk data and input and output for kernels.
35 35
36OpenCL::Sampler objects, which are kind of like texture filter modes in 36OpenCL::Sampler objects, which are kind of like texture filter modes in
37OpenGL. 37OpenGL.
38 38
39OpenCL::Queue objects - command queues, which allow you to submit memory 39OpenCL::Queue objects - command queues, which allow you to submit memory
213 $ev->wait; 213 $ev->wait;
214 214
215=head2 Use the OpenGL module to share a texture between OpenCL and OpenGL and draw some julia 215=head2 Use the OpenGL module to share a texture between OpenCL and OpenGL and draw some julia
216set flight effect. 216set flight effect.
217 217
218This is quite a long example to get you going - you can download it from 218This is quite a long example to get you going - you can also download it
219L<http://cvs.schmorp.de/OpenCL/examples/juliaflight>. 219from L<http://cvs.schmorp.de/OpenCL/examples/juliaflight>.
220 220
221 use OpenGL ":all"; 221 use OpenGL ":all";
222 use OpenCL; 222 use OpenCL;
223 223
224 my $S = $ARGV[0] || 256; # window/texture size, smaller is faster 224 my $S = $ARGV[0] || 256; # window/texture size, smaller is faster
388 388
389=item * When enqueuing commands, if the enqueue method is called in void 389=item * When enqueuing commands, if the enqueue method is called in void
390context, no event is created. In all other contexts an event is returned 390context, no event is created. In all other contexts an event is returned
391by the method. 391by the method.
392 392
393=item * This module expects all functions to return C<CL_SUCCESS>. If any 393=item * This module expects all functions to return C<OpenCL::SUCCESS>. If any
394other status is returned the function will throw an exception, so you 394other status is returned the function will throw an exception, so you
395don't normally have to to any error checking. 395don't normally have to to any error checking.
396 396
397=back 397=back
398
399=head2 CONSTANTS
400
401All C<CL_xxx> constants that this module supports are always available
402in the C<OpenCL> namespace as C<OpenCL::xxx> (i.e. without the C<CL_>
403prefix). Constants which are not defined in the header files used during
404compilation, or otherwise are not available, will have the value C<-1>.
405
406The latest version of this module knows and exports the constants
407listed in L<http://cvs.schmorp.de/OpenCL/constiv.h>.
408
409=head2 OPENCL 1.1 VS. OPENCL 1.2
410
411This module supports both OpenCL version 1.1 and 1.2, although the OpenCL
4121.2 interface hasn't been tested much for lack of availability of an
413actual implementation.
414
415Every function or method in this manual page that interfaces to a
416particular OpenCL function has a link to the its C manual page.
417
418If the link contains a F<1.1>, then this function is an OpenCL 1.1
419function. Most but not all also exist in OpenCL 1.2, and this module
420tries to emulate the missing ones for you, when told to do so at
421compiletime. You can check whether a function was removed in OpenCL 1.2 by
422replacing the F<1.1> component in the URL by F<1.2>.
423
424If the link contains a F<1.2>, then this is a OpenCL 1.2-only
425function. Even if the module was compiled with OpenCL 1.2 header files
426and has an 1.2 OpenCL library, calling such a function on a platform that
427doesn't implement 1.2 causes undefined behaviour, usually a crash (But
428this is not guaranteed).
429
430You can find out whether this module was compiled to prefer 1.1
431functionality by ooking at C<OpenCL::PREFER_1_1> - if it is true, then
4321.1 functions generally are implemented using 1.1 OpenCL functions. If it
433is false, then 1.1 functions missing from 1.2 are emulated by calling 1.2
434fucntions.
435
436This is a somewhat sorry state of affairs, but the Khronos group choose to
437make every release of OpenCL source and binary incompatible with previous
438releases.
398 439
399=head2 PERL AND OPENCL TYPES 440=head2 PERL AND OPENCL TYPES
400 441
401This handy(?) table lists OpenCL types and their perl, PDL and pack/unpack 442This handy(?) table lists OpenCL types and their perl, PDL and pack/unpack
402format equivalents: 443format equivalents:
600The last error returned by a function - it's only valid after an error occured 641The last error returned by a function - it's only valid after an error occured
601and before calling another OpenCL function. 642and before calling another OpenCL function.
602 643
603=item $str = OpenCL::err2str [$errval] 644=item $str = OpenCL::err2str [$errval]
604 645
605Converts an error value into a human readable string. IF no error value is 646Converts an error value into a human readable string. If no error value is
606given, then the last error will be used (as returned by OpenCL::errno). 647given, then the last error will be used (as returned by OpenCL::errno).
648
649The latest version of this module knows the error constants
650listed in L<http://cvs.schmorp.de/OpenCL/errstr.h>.
607 651
608=item $str = OpenCL::enum2str $enum 652=item $str = OpenCL::enum2str $enum
609 653
610Converts most enum values (of parameter names, image format constants, 654Converts most enum values (of parameter names, image format constants,
611object types, addressing and filter modes, command types etc.) into a 655object types, addressing and filter modes, command types etc.) into a
612human readable string. When confronted with some random integer it can be 656human readable string. When confronted with some random integer it can be
613very helpful to pass it through this function to maybe get some readable 657very helpful to pass it through this function to maybe get some readable
614string out of it. 658string out of it.
615 659
660The latest version of this module knows the enumaration constants
661listed in L<http://cvs.schmorp.de/OpenCL/enumstr.h>.
662
616=item @platforms = OpenCL::platforms 663=item @platforms = OpenCL::platforms
617 664
618Returns all available OpenCL::Platform objects. 665Returns all available OpenCL::Platform objects.
619 666
620L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformIDs.html> 667L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformIDs.html>
621 668
622=item $ctx = OpenCL::context_from_type $properties, $type = OpenCL::DEVICE_TYPE_DEFAULT, $callback->($err, $pvt) = $print_stderr 669=item $ctx = OpenCL::context_from_type $properties, $type = OpenCL::DEVICE_TYPE_DEFAULT, $callback->($err, $pvt) = $print_stderr
623 670
624Tries to create a context from a default device and platform type - never worked for me. 671Tries to create a context from a default device and platform type - never worked for me.
672Consider using C<< $platform->context_from_type >> instead.
625 673
626type: OpenCL::DEVICE_TYPE_DEFAULT, OpenCL::DEVICE_TYPE_CPU, OpenCL::DEVICE_TYPE_GPU, 674type: OpenCL::DEVICE_TYPE_DEFAULT, OpenCL::DEVICE_TYPE_CPU, OpenCL::DEVICE_TYPE_GPU,
627OpenCL::DEVICE_TYPE_ACCELERATOR, OpenCL::DEVICE_TYPE_CUSTOM, OpenCL::DEVICE_TYPE_ALL. 675OpenCL::DEVICE_TYPE_ACCELERATOR, OpenCL::DEVICE_TYPE_CUSTOM, OpenCL::DEVICE_TYPE_ALL.
628 676
629L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContextFromType.html> 677L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContextFromType.html>
630 678
631=item $ctx = OpenCL::context $properties, \@devices, $callback->($err, $pvt) = $print_stderr) 679=item $ctx = OpenCL::context $properties, \@devices, $callback->($err, $pvt) = $print_stderr)
632 680
633Create a new OpenCL::Context object using the given device object(s). This 681Create a new OpenCL::Context object using the given device object(s).
634function isn't implemented yet, use C<< $platform->context >> instead. 682Consider using C<< $platform->context >> instead.
635 683
636L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContext.html> 684L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContext.html>
637 685
638=item OpenCL::wait_for_events $wait_events... 686=item OpenCL::wait_for_events $wait_events...
639 687
720L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContextFromType.html> 768L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContextFromType.html>
721 769
722=item $ctx = $platform->context ($properties, \@devices, $callback->($err, $pvt) = $print_stderr) 770=item $ctx = $platform->context ($properties, \@devices, $callback->($err, $pvt) = $print_stderr)
723 771
724Create a new OpenCL::Context object using the given device object(s)- a 772Create a new OpenCL::Context object using the given device object(s)- a
725CL_CONTEXT_PLATFORM property is supplied automatically. 773OpenCL::CONTEXT_PLATFORM property is supplied automatically.
726 774
727L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContext.html> 775L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContext.html>
728 776
729=item $packed_value = $platform->info ($name) 777=item $packed_value = $platform->info ($name)
730 778
775=over 4 823=over 4
776 824
777=item $packed_value = $device->info ($name) 825=item $packed_value = $device->info ($name)
778 826
779See C<< $platform->info >> for details. 827See C<< $platform->info >> for details.
828
829type: OpenCL::DEVICE_TYPE_DEFAULT, OpenCL::DEVICE_TYPE_CPU,
830OpenCL::DEVICE_TYPE_GPU, OpenCL::DEVICE_TYPE_ACCELERATOR,
831OpenCL::DEVICE_TYPE_CUSTOM, OpenCL::DEVICE_TYPE_ALL.
832
833fp_config: OpenCL::FP_DENORM, OpenCL::FP_INF_NAN, OpenCL::FP_ROUND_TO_NEAREST,
834OpenCL::FP_ROUND_TO_ZERO, OpenCL::FP_ROUND_TO_INF, OpenCL::FP_FMA,
835OpenCL::FP_SOFT_FLOAT, OpenCL::FP_CORRECTLY_ROUNDED_DIVIDE_SQRT.
836
837mem_cache_type: OpenCL::NONE, OpenCL::READ_ONLY_CACHE, OpenCL::READ_WRITE_CACHE.
838
839local_mem_type: OpenCL::LOCAL, OpenCL::GLOBAL.
840
841exec_capabilities: OpenCL::EXEC_KERNEL, OpenCL::EXEC_NATIVE_KERNEL.
842
843command_queue_properties: OpenCL::QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE,
844OpenCL::QUEUE_PROFILING_ENABLE.
845
846partition_properties: OpenCL::DEVICE_PARTITION_EQUALLY,
847OpenCL::DEVICE_PARTITION_BY_COUNTS, OpenCL::DEVICE_PARTITION_BY_COUNTS_LIST_END,
848OpenCL::DEVICE_PARTITION_BY_AFFINITY_DOMAIN.
849
850affinity_domain: OpenCL::DEVICE_AFFINITY_DOMAIN_NUMA,
851OpenCL::DEVICE_AFFINITY_DOMAIN_L4_CACHE, OpenCL::DEVICE_AFFINITY_DOMAIN_L3_CACHE,
852OpenCL::DEVICE_AFFINITY_DOMAIN_L2_CACHE, OpenCL::DEVICE_AFFINITY_DOMAIN_L1_CACHE,
853OpenCL::DEVICE_AFFINITY_DOMAIN_NEXT_PARTITIONABLE.
780 854
781L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetDeviceInfo.html> 855L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetDeviceInfo.html>
782 856
783=item @devices = $device->sub_devices (\@properties) 857=item @devices = $device->sub_devices (\@properties)
784 858
1164OpenCL::UNORM_INT16, OpenCL::UNORM_SHORT_565, OpenCL::UNORM_SHORT_555, 1238OpenCL::UNORM_INT16, OpenCL::UNORM_SHORT_565, OpenCL::UNORM_SHORT_555,
1165OpenCL::UNORM_INT_101010, OpenCL::SIGNED_INT8, OpenCL::SIGNED_INT16, 1239OpenCL::UNORM_INT_101010, OpenCL::SIGNED_INT8, OpenCL::SIGNED_INT16,
1166OpenCL::SIGNED_INT32, OpenCL::UNSIGNED_INT8, OpenCL::UNSIGNED_INT16, 1240OpenCL::SIGNED_INT32, OpenCL::UNSIGNED_INT8, OpenCL::UNSIGNED_INT16,
1167OpenCL::UNSIGNED_INT32, OpenCL::HALF_FLOAT, OpenCL::FLOAT. 1241OpenCL::UNSIGNED_INT32, OpenCL::HALF_FLOAT, OpenCL::FLOAT.
1168 1242
1169
1170type: OpenCL::MEM_OBJECT_BUFFER, OpenCL::MEM_OBJECT_IMAGE2D, 1243type: OpenCL::MEM_OBJECT_BUFFER, OpenCL::MEM_OBJECT_IMAGE2D,
1171OpenCL::MEM_OBJECT_IMAGE3D, OpenCL::MEM_OBJECT_IMAGE2D_ARRAY, 1244OpenCL::MEM_OBJECT_IMAGE3D, OpenCL::MEM_OBJECT_IMAGE2D_ARRAY,
1172OpenCL::MEM_OBJECT_IMAGE1D, OpenCL::MEM_OBJECT_IMAGE1D_ARRAY, 1245OpenCL::MEM_OBJECT_IMAGE1D, OpenCL::MEM_OBJECT_IMAGE1D_ARRAY,
1173OpenCL::MEM_OBJECT_IMAGE1D_BUFFER. 1246OpenCL::MEM_OBJECT_IMAGE1D_BUFFER.
1174 1247
1271 1344
1272Creates a new OpenCL::Program object from the given built-in kernel names. 1345Creates a new OpenCL::Program object from the given built-in kernel names.
1273 1346
1274L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateProgramWithBuiltInKernels.html> 1347L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateProgramWithBuiltInKernels.html>
1275 1348
1349=item $program = $ctx->link_program (\@devices, $options, \@programs, $cb->($program) = undef)
1350
1351Links all (already compiled) program objects specified in C<@programs>
1352together and returns a new OpenCL::Program object with the result.
1353
1354L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clLinkProgram.html>
1355
1276=item $packed_value = $ctx->info ($name) 1356=item $packed_value = $ctx->info ($name)
1277 1357
1278See C<< $platform->info >> for details. 1358See C<< $platform->info >> for details.
1279 1359
1280L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetContextInfo.html> 1360L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetContextInfo.html>
1342 1422
1343=item $ev = $queue->copy_buffer ($src, $dst, $src_offset, $dst_offset, $len, $wait_events...) 1423=item $ev = $queue->copy_buffer ($src, $dst, $src_offset, $dst_offset, $len, $wait_events...)
1344 1424
1345L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBuffer.html> 1425L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBuffer.html>
1346 1426
1347=item $ev = $queue->read_buffer_rect (OpenCL::Memory buf, cl_bool blocking, $buf_x, $buf_y, $buf_z, $host_x, $host_y, $host_z, $width, $height, $depth, $buf_row_pitch, $buf_slice_pitch, $host_row_pitch, $host_slice_pitch, $data, $wait_events...) 1427$eue->read_buffer_rect ($buf, cl_bool blocking, $buf_x, $buf_y, $buf_z, $host_x, $host_y, $host_z, $width, $height, $depth, $buf_row_pitch, $buf_slice_pitch, $host_row_pitch, $host_slice_pitch, $data, $wait_events...)
1348 1428
1349http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueReadBufferRect.html 1429http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueReadBufferRect.html
1350 1430
1351=item $ev = $queue->write_buffer_rect (OpenCL::Memory buf, cl_bool blocking, $buf_x, $buf_y, $buf_z, $host_x, $host_y, $host_z, $width, $height, $depth, $buf_row_pitch, $buf_slice_pitch, $host_row_pitch, $host_slice_pitch, $data, $wait_events...) 1431=item $ev = $queue->write_buffer_rect ($buf, $blocking, $buf_y, $host_x, $host_z, $height, $buf_row_pitch, $host_row_pitch, $data, $wait_events...)
1352 1432
1353http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteBufferRect.html 1433http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteBufferRect.html
1354 1434
1355=item $ev = $queue->copy_buffer_to_image ($src_buffer, $dst_image, $src_offset, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $wait_events...) 1435=item $ev = $queue->copy_buffer_to_image ($src_buffer, $dst_image, $src_offset, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $wait_events...)
1356 1436
1571 1651
1572See C<< $platform->info >> for details. 1652See C<< $platform->info >> for details.
1573 1653
1574L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetMemObjectInfo.html> 1654L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetMemObjectInfo.html>
1575 1655
1656=item $memory->destructor_callback ($cb->())
1657
1658Sets a callback that will be invoked after the memory object is destructed.
1659
1660L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clSetMemObjectDestructorCallback.html>
1661
1576=for gengetinfo begin mem 1662=for gengetinfo begin mem
1577 1663
1578=item $mem_object_type = $mem->type 1664=item $mem_object_type = $mem->type
1579 1665
1580Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_TYPE> and returns the result. 1666Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_TYPE> and returns the result.
1637=over 4 1723=over 4
1638 1724
1639=item $subbuf = $buf_obj->sub_buffer_region ($flags, $origin, $size) 1725=item $subbuf = $buf_obj->sub_buffer_region ($flags, $origin, $size)
1640 1726
1641Creates an OpenCL::Buffer objects from this buffer and returns it. The 1727Creates an OpenCL::Buffer objects from this buffer and returns it. The
1642C<buffer_create_type> is assumed to be C<CL_BUFFER_CREATE_TYPE_REGION>. 1728C<buffer_create_type> is assumed to be C<OpenCL::BUFFER_CREATE_TYPE_REGION>.
1643 1729
1644L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateSubBuffer.html> 1730L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateSubBuffer.html>
1645 1731
1646=back 1732=back
1647 1733
1663L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetImageInfo.html> 1749L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetImageInfo.html>
1664 1750
1665=item ($channel_order, $channel_data_type) = $image->format 1751=item ($channel_order, $channel_data_type) = $image->format
1666 1752
1667Returns the channel order and type used to create the image by calling 1753Returns the channel order and type used to create the image by calling
1668C<clGetImageInfo> with C<CL_IMAGE_FORMAT>. 1754C<clGetImageInfo> with C<OpenCL::IMAGE_FORMAT>.
1669 1755
1670=for gengetinfo begin image 1756=for gengetinfo begin image
1671 1757
1672=item $int = $image->element_size 1758=item $int = $image->element_size
1673 1759
1773C<-cl-mad-enable>, C<-cl-no-signed-zeros>, C<-cl-unsafe-math-optimizations>, 1859C<-cl-mad-enable>, C<-cl-no-signed-zeros>, C<-cl-unsafe-math-optimizations>,
1774C<-cl-finite-math-only>, C<-cl-fast-relaxed-math>, 1860C<-cl-finite-math-only>, C<-cl-fast-relaxed-math>,
1775C<-w>, C<-Werror>, C<-cl-std=CL1.1/CL1.2>, C<-cl-kernel-arg-info>, 1861C<-w>, C<-Werror>, C<-cl-std=CL1.1/CL1.2>, C<-cl-kernel-arg-info>,
1776C<-create-library>, C<-enable-link-options>. 1862C<-create-library>, C<-enable-link-options>.
1777 1863
1864build_status: OpenCL::BUILD_SUCCESS, OpenCL::BUILD_NONE,
1865OpenCL::BUILD_ERROR, OpenCL::BUILD_IN_PROGRESS.
1866
1778L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clBuildProgram.html> 1867L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clBuildProgram.html>
1779 1868
1780=item $program->build_async (\@devices = undef, $options = "", $cb->($program) = undef) 1869=item $program->build_async (\@devices = undef, $options = "", $cb->($program) = undef)
1781 1870
1782Similar to C<< ->build >>, except it starts a thread, and never fails (you 1871Similar to C<< ->build >>, except it starts a thread, and never fails (you
1783need to check the compilation status form the callback, or by polling). 1872need to check the compilation status form the callback, or by polling).
1784 1873
1785build_status: OpenCL::BUILD_SUCCESS, OpenCL::BUILD_NONE, 1874=item $program->compile (\@devices = undef, $options = "", \%headers = undef, $cb->($program) = undef)
1786OpenCL::BUILD_ERROR, OpenCL::BUILD_IN_PROGRESS. 1875
1876Compiles the given program for the given devices (or all devices if
1877undef). If C<$headers> is given, it must be a hashref with include name =>
1878OpenCL::Program pairs.
1879
1880L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCompileProgram.html>
1787 1881
1788=item $packed_value = $program->build_info ($device, $name) 1882=item $packed_value = $program->build_info ($device, $name)
1789 1883
1790Similar to C<< $platform->info >>, but returns build info for a previous 1884Similar to C<< $platform->info >>, but returns build info for a previous
1791build attempt for the given device. 1885build attempt for the given device.
1792 1886
1887binary_type: OpenCL::PROGRAM_BINARY_TYPE_NONE,
1888OpenCL::PROGRAM_BINARY_TYPE_COMPILED_OBJECT,
1889OpenCL::PROGRAM_BINARY_TYPE_LIBRARY,
1890OpenCL::PROGRAM_BINARY_TYPE_EXECUTABLE.
1891
1793L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetBuildInfo.html> 1892L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetBuildInfo.html>
1794 1893
1795=item $kernel = $program->kernel ($function_name) 1894=item $kernel = $program->kernel ($function_name)
1796 1895
1797Creates an OpenCL::Kernel object out of the named C<__kernel> function in 1896Creates an OpenCL::Kernel object out of the named C<__kernel> function in
1816Calls C<clGetProgramBuildInfo> with C<OpenCL::PROGRAM_BUILD_OPTIONS> and returns the result. 1915Calls C<clGetProgramBuildInfo> with C<OpenCL::PROGRAM_BUILD_OPTIONS> and returns the result.
1817 1916
1818=item $string = $program->build_log ($device) 1917=item $string = $program->build_log ($device)
1819 1918
1820Calls C<clGetProgramBuildInfo> with C<OpenCL::PROGRAM_BUILD_LOG> and returns the result. 1919Calls C<clGetProgramBuildInfo> with C<OpenCL::PROGRAM_BUILD_LOG> and returns the result.
1920
1921=item $binary_type = $program->binary_type ($device)
1922
1923Calls C<clGetProgramBuildInfo> with C<OpenCL::PROGRAM_BINARY_TYPE> and returns the result.
1821 1924
1822=for gengetinfo end program_build 1925=for gengetinfo end program_build
1823 1926
1824=item $packed_value = $program->info ($name) 1927=item $packed_value = $program->info ($name)
1825 1928

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