[ViewVC] Diff of: cvs/OpenCL/OpenCL.pm

Comparing OpenCL/OpenCL.pm (file contents):
Revision 1.32 by root, Thu Apr 19 12:12:03 2012 UTC vs.
Revision 1.51 by root, Tue Apr 24 13:45:58 2012 UTC

…		…
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
…		…
210	# enqueue an async read	205	# enqueue an async read
211	$ev = $queue->enqueue_read_buffer ($output, 0, 0, OpenCL::SIZEOF_FLOAT * 4, my $data, $ev);	206	$ev = $queue->enqueue_read_buffer ($output, 0, 0, OpenCL::SIZEOF_FLOAT * 4, my $data, $ev);
212		207
213	# wait for the last event to complete	208	# wait for the last event to complete
214	$ev->wait;	209	$ev->wait;
		210
		211	=head2 Use the OpenGL module to share a texture between OpenCL and OpenGL and draw some julia
		212	set tunnel effect.
		213
		214	This is quite a long example to get you going.
		215
		216	use OpenGL ":all";
		217	use OpenCL;
		218
		219	# open a window and create a gl texture
		220	OpenGL::glpOpenWindow width => 256, height => 256;
		221	my $texid = glGenTextures_p 1;
		222	glBindTexture GL_TEXTURE_2D, $texid;
		223	glTexImage2D_c GL_TEXTURE_2D, 0, GL_RGBA8, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0;
		224
		225	# find and use the first opencl device that let's us get a shared opengl context
		226	my $platform;
		227	my $dev;
		228	my $ctx;
		229
		230	for (OpenCL::platforms) {
		231	$platform = $_;
		232	for ($platform->devices) {
		233	$dev = $_;
		234	$ctx = $platform->context ([OpenCL::GLX_DISPLAY_KHR, undef, OpenCL::GL_CONTEXT_KHR, undef], [$dev])
		235	and last;
		236	}
		237	}
		238
		239	$ctx
		240	or die "cannot find suitable OpenCL device\n";
		241
		242	my $queue = $ctx->queue ($dev);
		243
		244	# now attach an opencl image2d object to the opengl texture
		245	my $tex = $ctx->gl_texture2d (OpenCL::MEM_WRITE_ONLY, GL_TEXTURE_2D, 0, $texid);
		246
		247	# now the boring opencl code
		248	my $src = <<EOF;
		249	kernel void
		250	juliatunnel (write_only image2d_t img, float time)
		251	{
		252	float2 p = (float2)(get_global_id (0), get_global_id (1)) / 256.f * 2.f - 1.f;
		253
		254	float2 m = (float2)(1.f, p.y) / fabs (p.x);
		255	m.x = fabs (fmod (m.x + time * 0.05f, 4.f)) - 2.f;
		256
		257	float2 z = m;
		258	float2 c = (float2)(sin (time * 0.05005), cos (time * 0.06001));
		259
		260	for (int i = 0; i < 25 && dot (z, z) < 4.f; ++i)
		261	z = (float2)(z.x * z.x - z.y * z.y, 2.f * z.x * z.y) + c;
		262
		263	float3 colour = (float3)(z.x, z.y, z.x * z.y);
		264	write_imagef (img, (int2)(get_global_id (0), get_global_id (1)), (float4)(colour * p.x * p.x, 1.));
		265	}
		266	EOF
		267
		268	my $prog = $ctx->build_program ($src);
		269	my $kernel = $prog->kernel ("juliatunnel");
		270
		271	# program compiled, kernel ready, now draw and loop
		272
		273	for (my $time; ; ++$time) {
		274	# acquire objects from opengl
		275	$queue->enqueue_acquire_gl_objects ([$tex]);
		276
		277	# configure and run our kernel
		278	$kernel->set_image2d (0, $tex);
		279	$kernel->set_float (1, $time);
		280	$queue->enqueue_nd_range_kernel ($kernel, undef, [256, 256], undef);
		281
		282	# release objects to opengl again
		283	$queue->enqueue_release_gl_objects ([$tex]);
		284
		285	# wait
		286	$queue->finish;
		287
		288	# now draw the texture, the defaults should be all right
		289	glTexParameterf GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST;
		290
		291	glEnable GL_TEXTURE_2D;
		292	glBegin GL_QUADS;
		293	glTexCoord2f 0, 1; glVertex3i -1, -1, -1;
		294	glTexCoord2f 0, 0; glVertex3i 1, -1, -1;
		295	glTexCoord2f 1, 0; glVertex3i 1, 1, -1;
		296	glTexCoord2f 1, 1; glVertex3i -1, 1, -1;
		297	glEnd;
		298
		299	glXSwapBuffers;
		300
		301	select undef, undef, undef, 1/60;
		302	}
215		303
216	=head1 DOCUMENTATION	304	=head1 DOCUMENTATION
217		305
218	=head2 BASIC CONVENTIONS	306	=head2 BASIC CONVENTIONS
219		307
…		…
241	=item * Structures are often specified by flattening out their components	329	=item * Structures are often specified by flattening out their components
242	as with short vectors, and returned as arrayrefs.	330	as with short vectors, and returned as arrayrefs.
243		331
244	=item * When enqueuing commands, the wait list is specified by adding	332	=item * When enqueuing commands, the wait list is specified by adding
245	extra arguments to the function - anywhere a C<$wait_events...> argument	333	extra arguments to the function - anywhere a C<$wait_events...> argument
246	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.
247		337
248	=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
249	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
250	by the method.	340	by the method.
251		341
…		…
271	ulong IV - Q	361	ulong IV - Q
272	float NV float f	362	float NV float f
273	half IV ushort S	363	half IV ushort S
274	double NV double d	364	double NV double d
275		365
276	=head2 OpenGL sharing	366	=head2 GLX SUPPORT
277		367
278	This module can be optionally compiled with support for	368	Due to the sad state that OpenGL support is in in Perl (mostly the OpenGL
279	OpenGL sharing. The sharing functions are only available when	369	module, which has little to no documentation and has little to no support
280	C<OpenCL::HAVE_OPENGL> returns true, otherwise they are absent and cannot	370	for glX), this module, as a special extension, treats context creation
281	be called.	371	properties C<OpenCL::GLX_DISPLAY_KHR> and C<OpenCL::GL_CONTEXT_KHR>
		372	specially: If either or both of these are C<undef>, then the OpenCL
		373	module tries to dynamically resolve C<glXGetCurrentDisplay> and
		374	C<glXGetCurrentContext>, call these functions and use their return values
		375	instead.
		376
		377	For this to work, the OpenGL library must be loaded, a GLX context must
		378	have been created and be made current, and C<dlsym> must be available and
		379	capable of finding the function via C<RTLD_DEFAULT>.
282		380
283	=head2 THE OpenCL PACKAGE	381	=head2 THE OpenCL PACKAGE
284		382
285	=over 4	383	=over 4
286		384
…		…
351	It's best to avoid this method and use one of the following convenience	449	It's best to avoid this method and use one of the following convenience
352	wrappers.	450	wrappers.
353		451
354	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformInfo.html>	452	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformInfo.html>
355		453
		454	=item $platform->unload_compiler
		455
		456	Attempts to unload the compiler for this platform, for endless
		457	profit. Does nothing on OpenCL 1.1.
		458
		459	L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clUnloadPlatformCompiler.html>
		460
356	=for gengetinfo begin platform	461	=for gengetinfo begin platform
357		462
358	=item $string = $platform->profile	463	=item $string = $platform->profile
359		464
360	Calls C<clGetPlatformInfo> with C<CL_PLATFORM_PROFILE> and returns the result.	465	Calls C<clGetPlatformInfo> with C<CL_PLATFORM_PROFILE> and returns the result.
…		…
645		750
646	=item @device_partition_property_exts = $device->affinity_domains_ext	751	=item @device_partition_property_exts = $device->affinity_domains_ext
647		752
648	Calls C<clGetDeviceInfo> with C<CL_DEVICE_AFFINITY_DOMAINS_EXT> and returns the result.	753	Calls C<clGetDeviceInfo> with C<CL_DEVICE_AFFINITY_DOMAINS_EXT> and returns the result.
649		754
650	=item $uint = $device->reference_count_ext	755	=item $uint = $device->reference_count_ext
651		756
652	Calls C<clGetDeviceInfo> with C<CL_DEVICE_REFERENCE_COUNT_EXT > and returns the result.	757	Calls C<clGetDeviceInfo> with C<CL_DEVICE_REFERENCE_COUNT_EXT> and returns the result.
653		758
654	=item @device_partition_property_exts = $device->partition_style_ext	759	=item @device_partition_property_exts = $device->partition_style_ext
655		760
656	Calls C<clGetDeviceInfo> with C<CL_DEVICE_PARTITION_STYLE_EXT> and returns the result.	761	Calls C<clGetDeviceInfo> with C<CL_DEVICE_PARTITION_STYLE_EXT> and returns the result.
657		762
…		…
661		766
662	=head2 THE OpenCL::Context CLASS	767	=head2 THE OpenCL::Context CLASS
663		768
664	=over 4	769	=over 4
665		770
		771	=item $prog = $ctx->build_program ($program, $options = "")
		772
		773	This convenience function tries to build the program on all devices in
		774	the context. If the build fails, then the function will C<croak> with the
		775	build log. Otherwise ti returns the program object.
		776
		777	The C<$program> can either be a C<OpenCL::Program> object or a string
		778	containing the program. In the latter case, a program objetc will be
		779	created automatically.
		780
		781	=cut
		782
		783	sub OpenCL::Context::build_program {
		784	my ($self, $prog, $options) = @_;
		785
		786	$prog = $self->program_with_source ($prog)
		787	unless ref $prog;
		788
		789	for my $dev ($self->devices) {
		790	eval { $prog->build ($dev, $options); 1 }
		791	or Carp::croak "Building OpenCL program for device '" . $dev->name . "' failed:\n"
		792	. $prog->build_log ($dev);
		793	}
		794
		795	$prog
		796	}
		797
666	=item $queue = $ctx->queue ($device, $properties)	798	=item $queue = $ctx->queue ($device, $properties)
667		799
668	Create a new OpenCL::Queue object from the context and the given device.	800	Create a new OpenCL::Queue object from the context and the given device.
669		801
670	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateCommandQueue.html>	802	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateCommandQueue.html>
		803
		804	Example: create an out-of-order queue.
		805
		806	$queue = $ctx->queue ($device, OpenCL::QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE);
671		807
672	=item $ev = $ctx->user_event	808	=item $ev = $ctx->user_event
673		809
674	Creates a new OpenCL::UserEvent object.	810	Creates a new OpenCL::UserEvent object.
675		811
…		…
685	=item $buf = $ctx->buffer_sv ($flags, $data)	821	=item $buf = $ctx->buffer_sv ($flags, $data)
686		822
687	Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object and	823	Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object and
688	initialise it with the given data values.	824	initialise it with the given data values.
689		825
		826	=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)
		827
		828	Creates a new OpenCL::Image object and optionally initialises it with
		829	the given data values.
		830
		831	L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateImage.html>
		832
690	=item $img = $ctx->image2d ($flags, $channel_order, $channel_type, $width, $height, $row_pitch = 0, $data = undef)	833	=item $img = $ctx->image2d ($flags, $channel_order, $channel_type, $width, $height, $row_pitch = 0, $data = undef)
691		834
692	Creates a new OpenCL::Image2D object and optionally initialises it with	835	Creates a new OpenCL::Image2D object and optionally initialises it with
693	the given data values.	836	the given data values.
694		837
…		…
698		841
699	Creates a new OpenCL::Image3D object and optionally initialises it with	842	Creates a new OpenCL::Image3D object and optionally initialises it with
700	the given data values.	843	the given data values.
701		844
702	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateImage3D.html>	845	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateImage3D.html>
		846
		847	=item $buffer = $ctx->gl_buffer ($flags, $bufobj)
		848
		849	Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object that refers to the given
		850	OpenGL buffer object.
		851
		852	http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLBuffer.html
		853
		854	=item $img = $ctx->gl_texture ($flags, $target, $miplevel, $texture)
		855
		856	Creates a new OpenCL::Image object that refers to the given OpenGL
		857	texture object or buffer.
		858
		859	http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateFromGLTexture.html
		860
		861	=item $img = $ctx->gl_texture2d ($flags, $target, $miplevel, $texture)
		862
		863	Creates a new OpenCL::Image2D object that refers to the given OpenGL
		864	2D texture object.
		865
		866	http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLTexture2D.html
		867
		868	=item $img = $ctx->gl_texture3d ($flags, $target, $miplevel, $texture)
		869
		870	Creates a new OpenCL::Image3D object that refers to the given OpenGL
		871	3D texture object.
		872
		873	http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLTexture3D.html
		874
		875	=item $ctx->gl_renderbuffer ($flags, $renderbuffer)
		876
		877	Creates a new OpenCL::Image2D object that refers to the given OpenGL
		878	render buffer.
		879
		880	http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLRenderbuffer.html
703		881
704	=item @formats = $ctx->supported_image_formats ($flags, $image_type)	882	=item @formats = $ctx->supported_image_formats ($flags, $image_type)
705		883
706	Returns a list of matching image formats - each format is an arrayref with	884	Returns a list of matching image formats - each format is an arrayref with
707	two values, $channel_order and $channel_type, in it.	885	two values, $channel_order and $channel_type, in it.
…		…
758	for completion, unless the method is called in void context, in which case	936	for completion, unless the method is called in void context, in which case
759	no event object is created.	937	no event object is created.
760		938
761	They also allow you to specify any number of other event objects that this	939	They also allow you to specify any number of other event objects that this
762	request has to wait for before it starts executing, by simply passing the	940	request has to wait for before it starts executing, by simply passing the
763	event objects as extra parameters to the enqueue methods.	941	event objects as extra parameters to the enqueue methods. To simplify
		942	program design, this module ignores any C<undef> values in the list of
		943	events. This makes it possible to code operations such as this, without
		944	having to put a valid event object into C<$event> first:
		945
		946	$event = $queue->enqueue_xxx (..., $event);
764		947
765	Queues execute in-order by default, without any parallelism, so in most	948	Queues execute in-order by default, without any parallelism, so in most
766	cases (i.e. you use only one queue) it's not necessary to wait for or	949	cases (i.e. you use only one queue) it's not necessary to wait for or
767	create event objects.	950	create event objects, althoguh an our of order queue is often a bit
		951	faster.
768		952
769	=over 4	953	=over 4
770		954
771	=item $ev = $queue->enqueue_read_buffer ($buffer, $blocking, $offset, $len, $data, $wait_events...)	955	=item $ev = $queue->enqueue_read_buffer ($buffer, $blocking, $offset, $len, $data, $wait_events...)
772		956
…		…
838	reference to an array of local work sizes, with the same number of	1022	reference to an array of local work sizes, with the same number of
839	elements as @$global_work_size.	1023	elements as @$global_work_size.
840		1024
841	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueNDRangeKernel.html>	1025	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueNDRangeKernel.html>
842		1026
843	=item $ev = $queue->enqueue_marker	1027	=item $ev = $queue->enqueue_acquire_gl_objects ([object, ...], $wait_events...)
844		1028
		1029	Enqueues a list (an array-ref of OpenCL::Memory objects) to be acquired
		1030	for subsequent OpenCL usage.
		1031
845	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueMarker.html>	1032	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueAcquireGLObjects.html>
		1033
		1034	=item $ev = $queue->enqueue_release_gl_objects ([object, ...], $wait_events...)
		1035
		1036	Enqueues a list (an array-ref of OpenCL::Memory objects) to be released
		1037	for subsequent OpenGL usage.
		1038
		1039	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueReleaseGLObjects.html>
846		1040
847	=item $ev = $queue->enqueue_wait_for_events ($wait_events...)	1041	=item $ev = $queue->enqueue_wait_for_events ($wait_events...)
848		1042
849	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWaitForEvents.html>	1043	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWaitForEvents.html>
850		1044
851	=item $queue->enqueue_barrier	1045	=item $ev = $queue->enqueue_marker ($wait_events...)
852		1046
		1047	L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clEnqueueMarkerWithWaitList.html>
		1048
		1049	=item $ev = $queue->enqueue_barrier ($wait_events...)
		1050
853	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueBarrier.html>	1051	L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clEnqueueBarrierWithWaitList.html>
854		1052
855	=item $queue->flush	1053	=item $queue->flush
856		1054
857	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clFlush.html>	1055	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clFlush.html>
858		1056
…		…
938	=item $int = $mem->offset	1136	=item $int = $mem->offset
939		1137
940	Calls C<clGetMemObjectInfo> with C<CL_MEM_OFFSET> and returns the result.	1138	Calls C<clGetMemObjectInfo> with C<CL_MEM_OFFSET> and returns the result.
941		1139
942	=for gengetinfo end mem	1140	=for gengetinfo end mem
		1141
		1142	=item ($type, $name) = $mem->gl_object_info
		1143
		1144	Returns the OpenGL object type (e.g. OpenCL::GL_OBJECT_TEXTURE2D) and the
		1145	object "name" (e.g. the texture name) used to create this memory object.
		1146
		1147	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetGLObjectInfo.html>
943		1148
944	=back	1149	=back
945		1150
946	=head2 THE OpenCL::Buffer CLASS	1151	=head2 THE OpenCL::Buffer CLASS
947		1152
…		…
966		1171
967	=back	1172	=back
968		1173
969	=head2 THE OpenCL::Image CLASS	1174	=head2 THE OpenCL::Image CLASS
970		1175
971	This is the superclass of all image objects - OpenCL::Image2D and OpenCL::Image3D.	1176	This is the superclass of all image objects - OpenCL::Image1D,
		1177	OpenCL::Image1DArray, OpenCL::Image1DBuffer, OpenCL::Image2D,
		1178	OpenCL::Image2DArray and OpenCL::Image3D.
972		1179
973	=over 4	1180	=over 4
974		1181
975	=item $packed_value = $ev->image_info ($name)	1182	=item $packed_value = $ev->image_info ($name)
976		1183
…		…
1007		1214
1008	Calls C<clGetImageInfo> with C<CL_IMAGE_DEPTH> and returns the result.	1215	Calls C<clGetImageInfo> with C<CL_IMAGE_DEPTH> and returns the result.
1009		1216
1010	=for gengetinfo end image	1217	=for gengetinfo end image
1011		1218
		1219	=for gengetinfo begin gl_texture
		1220
		1221	=item $GLenum = $gl_texture->target
		1222
		1223	Calls C<clGetGLTextureInfo> with C<CL_GL_TEXTURE_TARGET> and returns the result.
		1224
		1225	=item $GLint = $gl_texture->gl_mipmap_level
		1226
		1227	Calls C<clGetGLTextureInfo> with C<CL_GL_MIPMAP_LEVEL> and returns the result.
		1228
		1229	=for gengetinfo end gl_texture
		1230
1012	=back	1231	=back
1013		1232
1014	=head2 THE OpenCL::Sampler CLASS	1233	=head2 THE OpenCL::Sampler CLASS
1015		1234
1016	=over 4	1235	=over 4
…		…
1051		1270
1052	=over 4	1271	=over 4
1053		1272
1054	=item $program->build ($device, $options = "")	1273	=item $program->build ($device, $options = "")
1055		1274
1056	Tries to build the program with the givne options.	1275	Tries to build the program with the given options. See also the
		1276	C<$ctx->build> convenience function.
1057		1277
1058	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clBuildProgram.html>	1278	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clBuildProgram.html>
1059		1279
1060	=item $packed_value = $program->build_info ($device, $name)	1280	=item $packed_value = $program->build_info ($device, $name)
1061		1281
…		…
1068		1288
1069	Creates an OpenCL::Kernel object out of the named C<__kernel> function in	1289	Creates an OpenCL::Kernel object out of the named C<__kernel> function in
1070	the program.	1290	the program.
1071		1291
1072	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateKernel.html>	1292	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateKernel.html>
		1293
		1294	=item @kernels = $program->kernels_in_program
		1295
		1296	Returns all kernels successfully compiled for all devices in program.
		1297
		1298	http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateKernelsInProgram.html
1073		1299
1074	=for gengetinfo begin program_build	1300	=for gengetinfo begin program_build
1075		1301
1076	=item $build_status = $program->build_status ($device)	1302	=item $build_status = $program->build_status ($device)
1077		1303
…		…
1205		1431
1206	This is a family of methods to set the kernel argument with the number C<$index> to the give C<$value>.	1432	This is a family of methods to set the kernel argument with the number C<$index> to the give C<$value>.
1207		1433
1208	TYPE is one of C<char>, C<uchar>, C<short>, C<ushort>, C<int>, C<uint>,	1434	TYPE is one of C<char>, C<uchar>, C<short>, C<ushort>, C<int>, C<uint>,
1209	C<long>, C<ulong>, C<half>, C<float>, C<double>, C<memory>, C<buffer>,	1435	C<long>, C<ulong>, C<half>, C<float>, C<double>, C<memory>, C<buffer>,
1210	C<image2d>, C<image3d>, C<sampler> or C<event>.	1436	C<image2d>, C<image3d>, C<sampler>, C<local> or C<event>.
1211		1437
1212	Chars and integers (including the half type) are specified as integers,	1438	Chars and integers (including the half type) are specified as integers,
1213	float and double as floating point values, memory/buffer/image2d/image3d	1439	float and double as floating point values, memory/buffer/image2d/image3d
1214	must be an object of that type or C<undef>, and sampler and event must be	1440	must be an object of that type or C<undef>, local-memory arguments are
1215	objects of that type.	1441	set by specifying the size, and sampler and event must be objects of that
		1442	type.
		1443
		1444	Setting an argument for a kernel does NOT keep a reference to the object -
		1445	for example, if you set an argument to some image object, free the image,
		1446	and call the kernel, you will run into undefined behaviour.
1216		1447
1217	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clSetKernelArg.html>	1448	L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clSetKernelArg.html>
1218		1449
1219	=back	1450	=back
1220		1451
…		…
1309	package OpenCL;	1540	package OpenCL;
1310		1541
1311	use common::sense;	1542	use common::sense;
1312		1543
1313	BEGIN {	1544	BEGIN {
1314	our $VERSION = '0.92';	1545	our $VERSION = '0.96';
1315		1546
1316	require XSLoader;	1547	require XSLoader;
1317	XSLoader::load (__PACKAGE__, $VERSION);	1548	XSLoader::load (__PACKAGE__, $VERSION);
1318		1549
1319	@OpenCL::Buffer::ISA =	1550	@OpenCL::Buffer::ISA =
1320	@OpenCL::Image::ISA = OpenCL::Memory::;	1551	@OpenCL::Image::ISA = OpenCL::Memory::;
1321		1552
1322	@OpenCL::BufferObj::ISA = OpenCL::Buffer::;	1553	@OpenCL::BufferObj::ISA = OpenCL::Buffer::;
1323		1554
1324	@OpenCL::Image2D::ISA =	1555	@OpenCL::Image2D::ISA =
		1556	@OpenCL::Image3D::ISA =
		1557	@OpenCL::Image2DArray::ISA =
		1558	@OpenCL::Image1D::ISA =
		1559	@OpenCL::Image1DArray::ISA =
1325	@OpenCL::Image3D::ISA = OpenCL::Image::;	1560	@OpenCL::Image1DBuffer::ISA = OpenCL::Image::;
1326		1561
1327	@OpenCL::UserEvent::ISA = OpenCL::Event::;	1562	@OpenCL::UserEvent::ISA = OpenCL::Event::;
1328	}	1563	}
1329		1564
1330	1;	1565	1;
1331		1566
1332	=head1 AUTHOR	1567	=head1 AUTHOR

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Comparing OpenCL/OpenCL.pm (file contents): Revision 1.32 by root, Thu Apr 19 12:12:03 2012 UTC vs. Revision 1.51 by root, Tue Apr 24 13:45:58 2012 UTC

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Comparing OpenCL/OpenCL.pm (file contents):
Revision 1.32 by root, Thu Apr 19 12:12:03 2012 UTC vs.
Revision 1.51 by root, Tue Apr 24 13:45:58 2012 UTC