… | |
… | |
43 | |
43 | |
44 | OpenCL::Event objects are used to signal when something is complete. |
44 | OpenCL::Event objects are used to signal when something is complete. |
45 | |
45 | |
46 | =head2 HELPFUL RESOURCES |
46 | =head2 HELPFUL RESOURCES |
47 | |
47 | |
48 | The OpenCL specs used to develop this module: |
48 | The OpenCL specs used to develop this module - download these and keept |
|
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49 | hema round, they are required reference material: |
49 | |
50 | |
50 | http://www.khronos.org/registry/cl/specs/opencl-1.1.pdf |
51 | http://www.khronos.org/registry/cl/specs/opencl-1.1.pdf |
51 | http://www.khronos.org/registry/cl/specs/opencl-1.2.pdf |
52 | http://www.khronos.org/registry/cl/specs/opencl-1.2.pdf |
52 | http://www.khronos.org/registry/cl/specs/opencl-1.2-extensions.pdf |
53 | http://www.khronos.org/registry/cl/specs/opencl-1.2-extensions.pdf |
53 | |
54 | |
… | |
… | |
95 | initialised at creation time). |
96 | initialised at creation time). |
96 | |
97 | |
97 | Enqueue the kernel execution. |
98 | Enqueue the kernel execution. |
98 | |
99 | |
99 | Enqueue buffer reads for your output buffer to read results. |
100 | Enqueue buffer reads for your output buffer to read results. |
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101 | |
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102 | =head1 OPENCL 1.1 VS. OPENCL 1.2 |
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103 | |
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104 | This module supports both OpenCL version 1.1 and 1.2, although the OpenCL |
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105 | 1.2 interface hasn't been tested much for lack of availability of an |
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106 | actual implementation. |
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107 | |
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108 | Every function or method in this manual page that interfaces to a |
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109 | particular OpenCL function has a link to the its C manual page. |
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110 | |
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111 | If the link contains a F<1.1>, then this function is an OpenCL 1.1 |
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112 | function. Most but not all also exist in OpenCL 1.2, and this module |
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113 | tries to emulate the missing ones for you, when told to do so at |
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114 | compiletime. You cna check whether a function was removed in OpenCL 1.2 by |
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115 | replacing the F<1.1> component in the URL by F<1.2>. |
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116 | |
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117 | If the link contains a F<1.2>, then this is a OpenCL 1.2-only |
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118 | function. Even if the module was compiled with OpenCL 1.2 header files |
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119 | and has an 1.2 OpenCL library, calling such a function on a platform that |
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120 | doesn't implement 1.2 causes undefined behaviour, usually a crash (But |
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121 | this is not guaranteed). |
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122 | |
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123 | You can find out whether this module was compiled to prefer 1.1 |
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124 | functionality by ooking at C<OpenCL::PREFER_1_1> - if it is true, then |
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125 | 1.1 functions generally are implemented using 1.1 OpenCL functions. If it |
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126 | is false, then 1.1 functions missing from 1.2 are emulated by calling 1.2 |
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127 | fucntions. |
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128 | |
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129 | This is a somewhat sorry state of affairs, but the Khronos group choose to |
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130 | make every release of OpenCL source and binary incompatible with previous |
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131 | releases. |
100 | |
132 | |
101 | =head1 EXAMPLES |
133 | =head1 EXAMPLES |
102 | |
134 | |
103 | =head2 Enumerate all devices and get contexts for them. |
135 | =head2 Enumerate all devices and get contexts for them. |
104 | |
136 | |
… | |
… | |
210 | |
242 | |
211 | # wait for the last event to complete |
243 | # wait for the last event to complete |
212 | $ev->wait; |
244 | $ev->wait; |
213 | |
245 | |
214 | =head2 Use the OpenGL module to share a texture between OpenCL and OpenGL and draw some julia |
246 | =head2 Use the OpenGL module to share a texture between OpenCL and OpenGL and draw some julia |
215 | set tunnel effect. |
247 | set flight effect. |
216 | |
248 | |
217 | This is quite a long example to get you going. |
249 | This is quite a long example to get you going - you can download it from |
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250 | L<http://cvs.schmorp.de/OpenCL/examples/juliaflight>. |
218 | |
251 | |
219 | use OpenGL ":all"; |
252 | use OpenGL ":all"; |
220 | use OpenCL; |
253 | use OpenCL; |
221 | |
254 | |
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255 | my $S = $ARGV[0] || 256; # window/texture size, smaller is faster |
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256 | |
222 | # open a window and create a gl texture |
257 | # open a window and create a gl texture |
223 | OpenGL::glpOpenWindow width => 256, height => 256; |
258 | OpenGL::glpOpenWindow width => $S, height => $S; |
224 | my $texid = glGenTextures_p 1; |
259 | my $texid = glGenTextures_p 1; |
225 | glBindTexture GL_TEXTURE_2D, $texid; |
260 | glBindTexture GL_TEXTURE_2D, $texid; |
226 | glTexImage2D_c GL_TEXTURE_2D, 0, GL_RGBA8, 256, 256, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0; |
261 | glTexImage2D_c GL_TEXTURE_2D, 0, GL_RGBA8, $S, $S, 0, GL_RGBA, GL_UNSIGNED_BYTE, 0; |
227 | |
262 | |
228 | # find and use the first opencl device that let's us get a shared opengl context |
263 | # find and use the first opencl device that let's us get a shared opengl context |
229 | my $platform; |
264 | my $platform; |
230 | my $dev; |
265 | my $dev; |
231 | my $ctx; |
266 | my $ctx; |
… | |
… | |
250 | # now the boring opencl code |
285 | # now the boring opencl code |
251 | my $src = <<EOF; |
286 | my $src = <<EOF; |
252 | kernel void |
287 | kernel void |
253 | juliatunnel (write_only image2d_t img, float time) |
288 | juliatunnel (write_only image2d_t img, float time) |
254 | { |
289 | { |
255 | float2 p = (float2)(get_global_id (0), get_global_id (1)) / 256.f * 2.f - 1.f; |
290 | int2 xy = (int2)(get_global_id (0), get_global_id (1)); |
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291 | float2 p = convert_float2 (xy) / $S.f * 2.f - 1.f; |
256 | |
292 | |
257 | float2 m = (float2)(1.f, p.y) / fabs (p.x); |
293 | float2 m = (float2)(1.f, p.y) / fabs (p.x); // tunnel |
258 | m.x = fabs (fmod (m.x + time * 0.05f, 4.f)) - 2.f; |
294 | m.x = fabs (fmod (m.x + time * 0.05f, 4.f) - 2.f); |
259 | |
295 | |
260 | float2 z = m; |
296 | float2 z = m; |
261 | float2 c = (float2)(sin (time * 0.05005), cos (time * 0.06001)); |
297 | float2 c = (float2)(sin (time * 0.01133f), cos (time * 0.02521f)); |
262 | |
298 | |
263 | for (int i = 0; i < 25 && dot (z, z) < 4.f; ++i) |
299 | for (int i = 0; i < 25 && dot (z, z) < 4.f; ++i) // standard julia |
264 | z = (float2)(z.x * z.x - z.y * z.y, 2.f * z.x * z.y) + c; |
300 | z = (float2)(z.x * z.x - z.y * z.y, 2.f * z.x * z.y) + c; |
265 | |
301 | |
266 | float3 colour = (float3)(z.x, z.y, z.x * z.y); |
302 | float3 colour = (float3)(z.x, z.y, atan2 (z.y, z.x)); |
267 | write_imagef (img, (int2)(get_global_id (0), get_global_id (1)), (float4)(colour * p.x * p.x, 1.)); |
303 | write_imagef (img, xy, (float4)(colour * p.x * p.x, 1.)); |
268 | } |
304 | } |
269 | EOF |
305 | EOF |
270 | |
306 | |
271 | my $prog = $ctx->build_program ($src); |
307 | my $prog = $ctx->build_program ($src); |
272 | my $kernel = $prog->kernel ("juliatunnel"); |
308 | my $kernel = $prog->kernel ("juliatunnel"); |
… | |
… | |
276 | for (my $time; ; ++$time) { |
312 | for (my $time; ; ++$time) { |
277 | # acquire objects from opengl |
313 | # acquire objects from opengl |
278 | $queue->acquire_gl_objects ([$tex]); |
314 | $queue->acquire_gl_objects ([$tex]); |
279 | |
315 | |
280 | # configure and run our kernel |
316 | # configure and run our kernel |
281 | $kernel->set_image2d (0, $tex); |
317 | $kernel->setf ("mf", $tex, $time*2); # mf = memory object, float |
282 | $kernel->set_float (1, $time); |
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283 | $queue->nd_range_kernel ($kernel, undef, [256, 256], undef); |
318 | $queue->nd_range_kernel ($kernel, undef, [$S, $S], undef); |
284 | |
319 | |
285 | # release objects to opengl again |
320 | # release objects to opengl again |
286 | $queue->release_gl_objects ([$tex]); |
321 | $queue->release_gl_objects ([$tex]); |
287 | |
322 | |
288 | # wait |
323 | # wait |
… | |
… | |
301 | |
336 | |
302 | glXSwapBuffers; |
337 | glXSwapBuffers; |
303 | |
338 | |
304 | select undef, undef, undef, 1/60; |
339 | select undef, undef, undef, 1/60; |
305 | } |
340 | } |
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341 | |
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342 | =head2 How to modify the previous example to not rely on GL sharing. |
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343 | |
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344 | For those poor souls with only a sucky CPU OpenCL implementation, you |
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345 | currently have to read the image into some perl scalar, and then modify a |
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346 | texture or use glDrawPixels or so). |
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347 | |
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348 | First, when you don't need gl sharing, you can create the context much simpler: |
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349 | |
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350 | $ctx = $platform->context (undef, [$dev]) |
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351 | |
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352 | To use a texture, you would modify the above example by creating an |
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353 | OpenCL::Image manually instead of deriving it from a texture: |
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354 | |
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355 | my $tex = $ctx->image2d (OpenCL::MEM_WRITE_ONLY, OpenCL::RGBA, OpenCL::UNORM_INT8, $S, $S); |
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356 | |
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357 | And in the draw loop, intead of acquire_gl_objects/release_gl_objects, you |
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358 | would read the image2d after the kernel has written it: |
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359 | |
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360 | $queue->read_image ($tex, 0, 0, 0, 0, $S, $S, 1, 0, 0, my $data); |
|
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361 | |
|
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362 | And then you would upload the pixel data to the texture (or use glDrawPixels): |
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363 | |
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364 | glTexSubImage2D_s GL_TEXTURE_2D, 0, 0, 0, $S, $S, GL_RGBA, GL_UNSIGNED_BYTE, $data; |
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365 | |
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366 | The fully modified example can be found at |
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367 | L<http://cvs.schmorp.de/OpenCL/examples/juliaflight-nosharing>. |
|
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368 | |
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369 | =head2 Julia sets look soooo 80ies. |
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370 | |
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371 | Then colour them differently, e.g. using orbit traps! Replace the loop and |
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372 | colour calculation from the previous examples by this: |
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373 | |
|
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374 | float2 dm = (float2)(1.f, 1.f); |
|
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375 | |
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376 | for (int i = 0; i < 25; ++i) |
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377 | { |
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378 | z = (float2)(z.x * z.x - z.y * z.y, 2.f * z.x * z.y) + c; |
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379 | dm = fmin (dm, (float2)(fabs (dot (z, z) - 1.f), fabs (z.x - 1.f))); |
|
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380 | } |
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381 | |
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382 | float3 colour = (float3)(dm.x * dm.y, dm.x * dm.y, dm.x); |
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383 | |
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384 | Also try C<-10.f> instead of C<-1.f>. |
306 | |
385 | |
307 | =head1 DOCUMENTATION |
386 | =head1 DOCUMENTATION |
308 | |
387 | |
309 | =head2 BASIC CONVENTIONS |
388 | =head2 BASIC CONVENTIONS |
310 | |
389 | |
… | |
… | |
386 | OpenCL can generate a number of (potentially) asynchronous events, for |
465 | OpenCL can generate a number of (potentially) asynchronous events, for |
387 | example, after compiling a program, to signal a context-related error or, |
466 | example, after compiling a program, to signal a context-related error or, |
388 | perhaps most important, to signal completion of queued jobs (by setting |
467 | perhaps most important, to signal completion of queued jobs (by setting |
389 | callbacks on OpenCL::Event objects). |
468 | callbacks on OpenCL::Event objects). |
390 | |
469 | |
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470 | The OpenCL module converts all these callbacks into events - you can |
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471 | still register callbacks, but they are not executed when your OpenCL |
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472 | implementation calls the actual callback, but only later. Therefore, none |
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473 | of the limitations of OpenCL callbacks apply to the perl implementation: |
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474 | it is perfectly safe to make blocking operations from event callbacks, and |
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475 | enqueued operations don't need to be flushed. |
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476 | |
391 | To facilitate this, this module maintains an event queue - each |
477 | To facilitate this, this module maintains an event queue - each |
392 | time an asynchronous event happens, it is queued, and perl will be |
478 | time an asynchronous event happens, it is queued, and perl will be |
393 | interrupted. This is implemented via the L<Async::Interrupt> module. In |
479 | interrupted. This is implemented via the L<Async::Interrupt> module. In |
394 | addition, this module has L<AnyEvent> support, so it can seamlessly |
480 | addition, this module has L<AnyEvent> support, so it can seamlessly |
395 | integrate itself into many event loops. |
481 | integrate itself into many event loops. |
396 | |
482 | |
397 | Since this module is a bit hard to understand, here are some case examples: |
483 | Since L<Async::Interrupt> is a bit hard to understand, here are some case examples: |
398 | |
484 | |
399 | =head3 Don't use callbacks. |
485 | =head3 Don't use callbacks. |
400 | |
486 | |
401 | When your program never uses any callbacks, then there will never be any |
487 | When your program never uses any callbacks, then there will never be any |
402 | notifications you need to take care of, and therefore no need to worry |
488 | notifications you need to take care of, and therefore no need to worry |
… | |
… | |
493 | =cut |
579 | =cut |
494 | |
580 | |
495 | package OpenCL; |
581 | package OpenCL; |
496 | |
582 | |
497 | use common::sense; |
583 | use common::sense; |
|
|
584 | use Carp (); |
498 | use Async::Interrupt (); |
585 | use Async::Interrupt (); |
499 | |
586 | |
500 | our $POLL_FUNC; # set by XS |
587 | our $POLL_FUNC; # set by XS |
501 | |
588 | |
502 | BEGIN { |
589 | BEGIN { |
503 | our $VERSION = '0.97'; |
590 | our $VERSION = '0.99'; |
504 | |
591 | |
505 | require XSLoader; |
592 | require XSLoader; |
506 | XSLoader::load (__PACKAGE__, $VERSION); |
593 | XSLoader::load (__PACKAGE__, $VERSION); |
507 | |
594 | |
508 | @OpenCL::Platform::ISA = |
595 | @OpenCL::Platform::ISA = |
… | |
… | |
513 | @OpenCL::Sampler::ISA = |
600 | @OpenCL::Sampler::ISA = |
514 | @OpenCL::Program::ISA = |
601 | @OpenCL::Program::ISA = |
515 | @OpenCL::Kernel::ISA = |
602 | @OpenCL::Kernel::ISA = |
516 | @OpenCL::Event::ISA = OpenCL::Object::; |
603 | @OpenCL::Event::ISA = OpenCL::Object::; |
517 | |
604 | |
|
|
605 | @OpenCL::SubDevice::ISA = OpenCL::Device::; |
|
|
606 | |
518 | @OpenCL::Buffer::ISA = |
607 | @OpenCL::Buffer::ISA = |
519 | @OpenCL::Image::ISA = OpenCL::Memory::; |
608 | @OpenCL::Image::ISA = OpenCL::Memory::; |
520 | |
609 | |
521 | @OpenCL::BufferObj::ISA = OpenCL::Buffer::; |
610 | @OpenCL::BufferObj::ISA = OpenCL::Buffer::; |
522 | |
611 | |
… | |
… | |
526 | @OpenCL::Image1D::ISA = |
615 | @OpenCL::Image1D::ISA = |
527 | @OpenCL::Image1DArray::ISA = |
616 | @OpenCL::Image1DArray::ISA = |
528 | @OpenCL::Image1DBuffer::ISA = OpenCL::Image::; |
617 | @OpenCL::Image1DBuffer::ISA = OpenCL::Image::; |
529 | |
618 | |
530 | @OpenCL::UserEvent::ISA = OpenCL::Event::; |
619 | @OpenCL::UserEvent::ISA = OpenCL::Event::; |
|
|
620 | |
|
|
621 | @OpenCL::MappedBuffer::ISA = |
|
|
622 | @OpenCL::MappedImage::ISA = OpenCL::Mapped::; |
531 | } |
623 | } |
532 | |
624 | |
533 | =head2 THE OpenCL PACKAGE |
625 | =head2 THE OpenCL PACKAGE |
534 | |
626 | |
535 | =over 4 |
627 | =over 4 |
… | |
… | |
537 | =item $int = OpenCL::errno |
629 | =item $int = OpenCL::errno |
538 | |
630 | |
539 | The last error returned by a function - it's only valid after an error occured |
631 | The last error returned by a function - it's only valid after an error occured |
540 | and before calling another OpenCL function. |
632 | and before calling another OpenCL function. |
541 | |
633 | |
542 | =item $str = OpenCL::err2str $errval |
634 | =item $str = OpenCL::err2str [$errval] |
543 | |
635 | |
544 | Comverts an error value into a human readable string. |
636 | Converts an error value into a human readable string. IF no error value is |
|
|
637 | given, then the last error will be used (as returned by OpenCL::errno). |
545 | |
638 | |
546 | =item $str = OpenCL::enum2str $enum |
639 | =item $str = OpenCL::enum2str $enum |
547 | |
640 | |
548 | Converts most enum values (of parameter names, image format constants, |
641 | Converts most enum values (of parameter names, image format constants, |
549 | object types, addressing and filter modes, command types etc.) into a |
642 | object types, addressing and filter modes, command types etc.) into a |
… | |
… | |
558 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformIDs.html> |
651 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetPlatformIDs.html> |
559 | |
652 | |
560 | =item $ctx = OpenCL::context_from_type $properties, $type = OpenCL::DEVICE_TYPE_DEFAULT, $callback->($err, $pvt) = $print_stderr |
653 | =item $ctx = OpenCL::context_from_type $properties, $type = OpenCL::DEVICE_TYPE_DEFAULT, $callback->($err, $pvt) = $print_stderr |
561 | |
654 | |
562 | Tries to create a context from a default device and platform type - never worked for me. |
655 | Tries to create a context from a default device and platform type - never worked for me. |
|
|
656 | Consider using C<< $platform->context_from_type >> instead. |
|
|
657 | |
|
|
658 | type: OpenCL::DEVICE_TYPE_DEFAULT, OpenCL::DEVICE_TYPE_CPU, OpenCL::DEVICE_TYPE_GPU, |
|
|
659 | OpenCL::DEVICE_TYPE_ACCELERATOR, OpenCL::DEVICE_TYPE_CUSTOM, OpenCL::DEVICE_TYPE_ALL. |
563 | |
660 | |
564 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContextFromType.html> |
661 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContextFromType.html> |
565 | |
662 | |
566 | =item $ctx = OpenCL::context $properties, \@devices, $callback->($err, $pvt) = $print_stderr) |
663 | =item $ctx = OpenCL::context $properties, \@devices, $callback->($err, $pvt) = $print_stderr) |
567 | |
664 | |
568 | Create a new OpenCL::Context object using the given device object(s). This |
665 | Create a new OpenCL::Context object using the given device object(s). |
569 | function isn't implemented yet, use C<< $platform->context >> instead. |
666 | Consider using C<< $platform->context >> instead. |
570 | |
667 | |
571 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContext.html> |
668 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateContext.html> |
572 | |
669 | |
573 | =item OpenCL::wait_for_events $wait_events... |
670 | =item OpenCL::wait_for_events $wait_events... |
574 | |
671 | |
… | |
… | |
681 | |
778 | |
682 | =for gengetinfo begin platform |
779 | =for gengetinfo begin platform |
683 | |
780 | |
684 | =item $string = $platform->profile |
781 | =item $string = $platform->profile |
685 | |
782 | |
686 | Calls C<clGetPlatformInfo> with C<CL_PLATFORM_PROFILE> and returns the result. |
783 | Calls C<clGetPlatformInfo> with C<OpenCL::PLATFORM_PROFILE> and returns the result. |
687 | |
784 | |
688 | =item $string = $platform->version |
785 | =item $string = $platform->version |
689 | |
786 | |
690 | Calls C<clGetPlatformInfo> with C<CL_PLATFORM_VERSION> and returns the result. |
787 | Calls C<clGetPlatformInfo> with C<OpenCL::PLATFORM_VERSION> and returns the result. |
691 | |
788 | |
692 | =item $string = $platform->name |
789 | =item $string = $platform->name |
693 | |
790 | |
694 | Calls C<clGetPlatformInfo> with C<CL_PLATFORM_NAME> and returns the result. |
791 | Calls C<clGetPlatformInfo> with C<OpenCL::PLATFORM_NAME> and returns the result. |
695 | |
792 | |
696 | =item $string = $platform->vendor |
793 | =item $string = $platform->vendor |
697 | |
794 | |
698 | Calls C<clGetPlatformInfo> with C<CL_PLATFORM_VENDOR> and returns the result. |
795 | Calls C<clGetPlatformInfo> with C<OpenCL::PLATFORM_VENDOR> and returns the result. |
699 | |
796 | |
700 | =item $string = $platform->extensions |
797 | =item $string = $platform->extensions |
701 | |
798 | |
702 | Calls C<clGetPlatformInfo> with C<CL_PLATFORM_EXTENSIONS> and returns the result. |
799 | Calls C<clGetPlatformInfo> with C<OpenCL::PLATFORM_EXTENSIONS> and returns the result. |
703 | |
800 | |
704 | =for gengetinfo end platform |
801 | =for gengetinfo end platform |
705 | |
802 | |
706 | =back |
803 | =back |
707 | |
804 | |
… | |
… | |
711 | |
808 | |
712 | =item $packed_value = $device->info ($name) |
809 | =item $packed_value = $device->info ($name) |
713 | |
810 | |
714 | See C<< $platform->info >> for details. |
811 | See C<< $platform->info >> for details. |
715 | |
812 | |
|
|
813 | type: OpenCL::DEVICE_TYPE_DEFAULT, OpenCL::DEVICE_TYPE_CPU, |
|
|
814 | OpenCL::DEVICE_TYPE_GPU, OpenCL::DEVICE_TYPE_ACCELERATOR, |
|
|
815 | OpenCL::DEVICE_TYPE_CUSTOM, OpenCL::DEVICE_TYPE_ALL. |
|
|
816 | |
|
|
817 | fp_config: OpenCL::FP_DENORM, OpenCL::FP_INF_NAN, OpenCL::FP_ROUND_TO_NEAREST, |
|
|
818 | OpenCL::FP_ROUND_TO_ZERO, OpenCL::FP_ROUND_TO_INF, OpenCL::FP_FMA, |
|
|
819 | OpenCL::FP_SOFT_FLOAT, OpenCL::FP_CORRECTLY_ROUNDED_DIVIDE_SQRT. |
|
|
820 | |
|
|
821 | mem_cache_type: OpenCL::NONE, OpenCL::READ_ONLY_CACHE, OpenCL::READ_WRITE_CACHE. |
|
|
822 | |
|
|
823 | local_mem_type: OpenCL::LOCAL, OpenCL::GLOBAL. |
|
|
824 | |
|
|
825 | exec_capabilities: OpenCL::EXEC_KERNEL, OpenCL::EXEC_NATIVE_KERNEL. |
|
|
826 | |
|
|
827 | command_queue_properties: OpenCL::QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE, |
|
|
828 | OpenCL::QUEUE_PROFILING_ENABLE. |
|
|
829 | |
|
|
830 | partition_properties: OpenCL::DEVICE_PARTITION_EQUALLY, |
|
|
831 | OpenCL::DEVICE_PARTITION_BY_COUNTS, OpenCL::DEVICE_PARTITION_BY_COUNTS_LIST_END, |
|
|
832 | OpenCL::DEVICE_PARTITION_BY_AFFINITY_DOMAIN. |
|
|
833 | |
|
|
834 | affinity_domain: OpenCL::DEVICE_AFFINITY_DOMAIN_NUMA, |
|
|
835 | OpenCL::DEVICE_AFFINITY_DOMAIN_L4_CACHE, OpenCL::DEVICE_AFFINITY_DOMAIN_L3_CACHE, |
|
|
836 | OpenCL::DEVICE_AFFINITY_DOMAIN_L2_CACHE, OpenCL::DEVICE_AFFINITY_DOMAIN_L1_CACHE, |
|
|
837 | OpenCL::DEVICE_AFFINITY_DOMAIN_NEXT_PARTITIONABLE. |
|
|
838 | |
716 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetDeviceInfo.html> |
839 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetDeviceInfo.html> |
717 | |
840 | |
|
|
841 | =item @devices = $device->sub_devices (\@properties) |
|
|
842 | |
|
|
843 | Creates OpencL::SubDevice objects by partitioning an existing device. |
|
|
844 | |
|
|
845 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateSubDevices.html> |
|
|
846 | |
718 | =for gengetinfo begin device |
847 | =for gengetinfo begin device |
719 | |
848 | |
720 | =item $device_type = $device->type |
849 | =item $device_type = $device->type |
721 | |
850 | |
722 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_TYPE> and returns the result. |
851 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_TYPE> and returns the result. |
723 | |
852 | |
724 | =item $uint = $device->vendor_id |
853 | =item $uint = $device->vendor_id |
725 | |
854 | |
726 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_VENDOR_ID> and returns the result. |
855 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_VENDOR_ID> and returns the result. |
727 | |
856 | |
728 | =item $uint = $device->max_compute_units |
857 | =item $uint = $device->max_compute_units |
729 | |
858 | |
730 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_COMPUTE_UNITS> and returns the result. |
859 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_COMPUTE_UNITS> and returns the result. |
731 | |
860 | |
732 | =item $uint = $device->max_work_item_dimensions |
861 | =item $uint = $device->max_work_item_dimensions |
733 | |
862 | |
734 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_WORK_ITEM_DIMENSIONS> and returns the result. |
863 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_WORK_ITEM_DIMENSIONS> and returns the result. |
735 | |
864 | |
736 | =item $int = $device->max_work_group_size |
865 | =item $int = $device->max_work_group_size |
737 | |
866 | |
738 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_WORK_GROUP_SIZE> and returns the result. |
867 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_WORK_GROUP_SIZE> and returns the result. |
739 | |
868 | |
740 | =item @ints = $device->max_work_item_sizes |
869 | =item @ints = $device->max_work_item_sizes |
741 | |
870 | |
742 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_WORK_ITEM_SIZES> and returns the result. |
871 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_WORK_ITEM_SIZES> and returns the result. |
743 | |
872 | |
744 | =item $uint = $device->preferred_vector_width_char |
873 | =item $uint = $device->preferred_vector_width_char |
745 | |
874 | |
746 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PREFERRED_VECTOR_WIDTH_CHAR> and returns the result. |
875 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PREFERRED_VECTOR_WIDTH_CHAR> and returns the result. |
747 | |
876 | |
748 | =item $uint = $device->preferred_vector_width_short |
877 | =item $uint = $device->preferred_vector_width_short |
749 | |
878 | |
750 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PREFERRED_VECTOR_WIDTH_SHORT> and returns the result. |
879 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PREFERRED_VECTOR_WIDTH_SHORT> and returns the result. |
751 | |
880 | |
752 | =item $uint = $device->preferred_vector_width_int |
881 | =item $uint = $device->preferred_vector_width_int |
753 | |
882 | |
754 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PREFERRED_VECTOR_WIDTH_INT> and returns the result. |
883 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PREFERRED_VECTOR_WIDTH_INT> and returns the result. |
755 | |
884 | |
756 | =item $uint = $device->preferred_vector_width_long |
885 | =item $uint = $device->preferred_vector_width_long |
757 | |
886 | |
758 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PREFERRED_VECTOR_WIDTH_LONG> and returns the result. |
887 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PREFERRED_VECTOR_WIDTH_LONG> and returns the result. |
759 | |
888 | |
760 | =item $uint = $device->preferred_vector_width_float |
889 | =item $uint = $device->preferred_vector_width_float |
761 | |
890 | |
762 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT> and returns the result. |
891 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PREFERRED_VECTOR_WIDTH_FLOAT> and returns the result. |
763 | |
892 | |
764 | =item $uint = $device->preferred_vector_width_double |
893 | =item $uint = $device->preferred_vector_width_double |
765 | |
894 | |
766 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE> and returns the result. |
895 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PREFERRED_VECTOR_WIDTH_DOUBLE> and returns the result. |
767 | |
896 | |
768 | =item $uint = $device->max_clock_frequency |
897 | =item $uint = $device->max_clock_frequency |
769 | |
898 | |
770 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_CLOCK_FREQUENCY> and returns the result. |
899 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_CLOCK_FREQUENCY> and returns the result. |
771 | |
900 | |
772 | =item $bitfield = $device->address_bits |
901 | =item $bitfield = $device->address_bits |
773 | |
902 | |
774 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_ADDRESS_BITS> and returns the result. |
903 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_ADDRESS_BITS> and returns the result. |
775 | |
904 | |
776 | =item $uint = $device->max_read_image_args |
905 | =item $uint = $device->max_read_image_args |
777 | |
906 | |
778 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_READ_IMAGE_ARGS> and returns the result. |
907 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_READ_IMAGE_ARGS> and returns the result. |
779 | |
908 | |
780 | =item $uint = $device->max_write_image_args |
909 | =item $uint = $device->max_write_image_args |
781 | |
910 | |
782 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_WRITE_IMAGE_ARGS> and returns the result. |
911 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_WRITE_IMAGE_ARGS> and returns the result. |
783 | |
912 | |
784 | =item $ulong = $device->max_mem_alloc_size |
913 | =item $ulong = $device->max_mem_alloc_size |
785 | |
914 | |
786 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_MEM_ALLOC_SIZE> and returns the result. |
915 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_MEM_ALLOC_SIZE> and returns the result. |
787 | |
916 | |
788 | =item $int = $device->image2d_max_width |
917 | =item $int = $device->image2d_max_width |
789 | |
918 | |
790 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_IMAGE2D_MAX_WIDTH> and returns the result. |
919 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_IMAGE2D_MAX_WIDTH> and returns the result. |
791 | |
920 | |
792 | =item $int = $device->image2d_max_height |
921 | =item $int = $device->image2d_max_height |
793 | |
922 | |
794 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_IMAGE2D_MAX_HEIGHT> and returns the result. |
923 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_IMAGE2D_MAX_HEIGHT> and returns the result. |
795 | |
924 | |
796 | =item $int = $device->image3d_max_width |
925 | =item $int = $device->image3d_max_width |
797 | |
926 | |
798 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_IMAGE3D_MAX_WIDTH> and returns the result. |
927 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_IMAGE3D_MAX_WIDTH> and returns the result. |
799 | |
928 | |
800 | =item $int = $device->image3d_max_height |
929 | =item $int = $device->image3d_max_height |
801 | |
930 | |
802 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_IMAGE3D_MAX_HEIGHT> and returns the result. |
931 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_IMAGE3D_MAX_HEIGHT> and returns the result. |
803 | |
932 | |
804 | =item $int = $device->image3d_max_depth |
933 | =item $int = $device->image3d_max_depth |
805 | |
934 | |
806 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_IMAGE3D_MAX_DEPTH> and returns the result. |
935 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_IMAGE3D_MAX_DEPTH> and returns the result. |
807 | |
936 | |
808 | =item $uint = $device->image_support |
937 | =item $uint = $device->image_support |
809 | |
938 | |
810 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_IMAGE_SUPPORT> and returns the result. |
939 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_IMAGE_SUPPORT> and returns the result. |
811 | |
940 | |
812 | =item $int = $device->max_parameter_size |
941 | =item $int = $device->max_parameter_size |
813 | |
942 | |
814 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_PARAMETER_SIZE> and returns the result. |
943 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_PARAMETER_SIZE> and returns the result. |
815 | |
944 | |
816 | =item $uint = $device->max_samplers |
945 | =item $uint = $device->max_samplers |
817 | |
946 | |
818 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_SAMPLERS> and returns the result. |
947 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_SAMPLERS> and returns the result. |
819 | |
948 | |
820 | =item $uint = $device->mem_base_addr_align |
949 | =item $uint = $device->mem_base_addr_align |
821 | |
950 | |
822 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MEM_BASE_ADDR_ALIGN> and returns the result. |
951 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MEM_BASE_ADDR_ALIGN> and returns the result. |
823 | |
952 | |
824 | =item $uint = $device->min_data_type_align_size |
953 | =item $uint = $device->min_data_type_align_size |
825 | |
954 | |
826 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MIN_DATA_TYPE_ALIGN_SIZE> and returns the result. |
955 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MIN_DATA_TYPE_ALIGN_SIZE> and returns the result. |
827 | |
956 | |
828 | =item $device_fp_config = $device->single_fp_config |
957 | =item $device_fp_config = $device->single_fp_config |
829 | |
958 | |
830 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_SINGLE_FP_CONFIG> and returns the result. |
959 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_SINGLE_FP_CONFIG> and returns the result. |
831 | |
960 | |
832 | =item $device_mem_cache_type = $device->global_mem_cache_type |
961 | =item $device_mem_cache_type = $device->global_mem_cache_type |
833 | |
962 | |
834 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_GLOBAL_MEM_CACHE_TYPE> and returns the result. |
963 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_GLOBAL_MEM_CACHE_TYPE> and returns the result. |
835 | |
964 | |
836 | =item $uint = $device->global_mem_cacheline_size |
965 | =item $uint = $device->global_mem_cacheline_size |
837 | |
966 | |
838 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_GLOBAL_MEM_CACHELINE_SIZE> and returns the result. |
967 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_GLOBAL_MEM_CACHELINE_SIZE> and returns the result. |
839 | |
968 | |
840 | =item $ulong = $device->global_mem_cache_size |
969 | =item $ulong = $device->global_mem_cache_size |
841 | |
970 | |
842 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_GLOBAL_MEM_CACHE_SIZE> and returns the result. |
971 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_GLOBAL_MEM_CACHE_SIZE> and returns the result. |
843 | |
972 | |
844 | =item $ulong = $device->global_mem_size |
973 | =item $ulong = $device->global_mem_size |
845 | |
974 | |
846 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_GLOBAL_MEM_SIZE> and returns the result. |
975 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_GLOBAL_MEM_SIZE> and returns the result. |
847 | |
976 | |
848 | =item $ulong = $device->max_constant_buffer_size |
977 | =item $ulong = $device->max_constant_buffer_size |
849 | |
978 | |
850 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_CONSTANT_BUFFER_SIZE> and returns the result. |
979 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_CONSTANT_BUFFER_SIZE> and returns the result. |
851 | |
980 | |
852 | =item $uint = $device->max_constant_args |
981 | =item $uint = $device->max_constant_args |
853 | |
982 | |
854 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_MAX_CONSTANT_ARGS> and returns the result. |
983 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_MAX_CONSTANT_ARGS> and returns the result. |
855 | |
984 | |
856 | =item $device_local_mem_type = $device->local_mem_type |
985 | =item $device_local_mem_type = $device->local_mem_type |
857 | |
986 | |
858 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_LOCAL_MEM_TYPE> and returns the result. |
987 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_LOCAL_MEM_TYPE> and returns the result. |
859 | |
988 | |
860 | =item $ulong = $device->local_mem_size |
989 | =item $ulong = $device->local_mem_size |
861 | |
990 | |
862 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_LOCAL_MEM_SIZE> and returns the result. |
991 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_LOCAL_MEM_SIZE> and returns the result. |
863 | |
992 | |
864 | =item $boolean = $device->error_correction_support |
993 | =item $boolean = $device->error_correction_support |
865 | |
994 | |
866 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_ERROR_CORRECTION_SUPPORT> and returns the result. |
995 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_ERROR_CORRECTION_SUPPORT> and returns the result. |
867 | |
996 | |
868 | =item $int = $device->profiling_timer_resolution |
997 | =item $int = $device->profiling_timer_resolution |
869 | |
998 | |
870 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PROFILING_TIMER_RESOLUTION> and returns the result. |
999 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PROFILING_TIMER_RESOLUTION> and returns the result. |
871 | |
1000 | |
872 | =item $boolean = $device->endian_little |
1001 | =item $boolean = $device->endian_little |
873 | |
1002 | |
874 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_ENDIAN_LITTLE> and returns the result. |
1003 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_ENDIAN_LITTLE> and returns the result. |
875 | |
1004 | |
876 | =item $boolean = $device->available |
1005 | =item $boolean = $device->available |
877 | |
1006 | |
878 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_AVAILABLE> and returns the result. |
1007 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_AVAILABLE> and returns the result. |
879 | |
1008 | |
880 | =item $boolean = $device->compiler_available |
1009 | =item $boolean = $device->compiler_available |
881 | |
1010 | |
882 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_COMPILER_AVAILABLE> and returns the result. |
1011 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_COMPILER_AVAILABLE> and returns the result. |
883 | |
1012 | |
884 | =item $device_exec_capabilities = $device->execution_capabilities |
1013 | =item $device_exec_capabilities = $device->execution_capabilities |
885 | |
1014 | |
886 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_EXECUTION_CAPABILITIES> and returns the result. |
1015 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_EXECUTION_CAPABILITIES> and returns the result. |
887 | |
1016 | |
888 | =item $command_queue_properties = $device->properties |
1017 | =item $command_queue_properties = $device->properties |
889 | |
1018 | |
890 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_QUEUE_PROPERTIES> and returns the result. |
1019 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_QUEUE_PROPERTIES> and returns the result. |
891 | |
1020 | |
892 | =item $ = $device->platform |
1021 | =item $ = $device->platform |
893 | |
1022 | |
894 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PLATFORM> and returns the result. |
1023 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PLATFORM> and returns the result. |
895 | |
1024 | |
896 | =item $string = $device->name |
1025 | =item $string = $device->name |
897 | |
1026 | |
898 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_NAME> and returns the result. |
1027 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_NAME> and returns the result. |
899 | |
1028 | |
900 | =item $string = $device->vendor |
1029 | =item $string = $device->vendor |
901 | |
1030 | |
902 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_VENDOR> and returns the result. |
1031 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_VENDOR> and returns the result. |
903 | |
1032 | |
904 | =item $string = $device->driver_version |
1033 | =item $string = $device->driver_version |
905 | |
1034 | |
906 | Calls C<clGetDeviceInfo> with C<CL_DRIVER_VERSION> and returns the result. |
1035 | Calls C<clGetDeviceInfo> with C<OpenCL::DRIVER_VERSION> and returns the result. |
907 | |
1036 | |
908 | =item $string = $device->profile |
1037 | =item $string = $device->profile |
909 | |
1038 | |
910 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PROFILE> and returns the result. |
1039 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PROFILE> and returns the result. |
911 | |
1040 | |
912 | =item $string = $device->version |
1041 | =item $string = $device->version |
913 | |
1042 | |
914 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_VERSION> and returns the result. |
1043 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_VERSION> and returns the result. |
915 | |
1044 | |
916 | =item $string = $device->extensions |
1045 | =item $string = $device->extensions |
917 | |
1046 | |
918 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_EXTENSIONS> and returns the result. |
1047 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_EXTENSIONS> and returns the result. |
919 | |
1048 | |
920 | =item $uint = $device->preferred_vector_width_half |
1049 | =item $uint = $device->preferred_vector_width_half |
921 | |
1050 | |
922 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PREFERRED_VECTOR_WIDTH_HALF> and returns the result. |
1051 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PREFERRED_VECTOR_WIDTH_HALF> and returns the result. |
923 | |
1052 | |
924 | =item $uint = $device->native_vector_width_char |
1053 | =item $uint = $device->native_vector_width_char |
925 | |
1054 | |
926 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_NATIVE_VECTOR_WIDTH_CHAR> and returns the result. |
1055 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_NATIVE_VECTOR_WIDTH_CHAR> and returns the result. |
927 | |
1056 | |
928 | =item $uint = $device->native_vector_width_short |
1057 | =item $uint = $device->native_vector_width_short |
929 | |
1058 | |
930 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_NATIVE_VECTOR_WIDTH_SHORT> and returns the result. |
1059 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_NATIVE_VECTOR_WIDTH_SHORT> and returns the result. |
931 | |
1060 | |
932 | =item $uint = $device->native_vector_width_int |
1061 | =item $uint = $device->native_vector_width_int |
933 | |
1062 | |
934 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_NATIVE_VECTOR_WIDTH_INT> and returns the result. |
1063 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_NATIVE_VECTOR_WIDTH_INT> and returns the result. |
935 | |
1064 | |
936 | =item $uint = $device->native_vector_width_long |
1065 | =item $uint = $device->native_vector_width_long |
937 | |
1066 | |
938 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_NATIVE_VECTOR_WIDTH_LONG> and returns the result. |
1067 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_NATIVE_VECTOR_WIDTH_LONG> and returns the result. |
939 | |
1068 | |
940 | =item $uint = $device->native_vector_width_float |
1069 | =item $uint = $device->native_vector_width_float |
941 | |
1070 | |
942 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_NATIVE_VECTOR_WIDTH_FLOAT> and returns the result. |
1071 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_NATIVE_VECTOR_WIDTH_FLOAT> and returns the result. |
943 | |
1072 | |
944 | =item $uint = $device->native_vector_width_double |
1073 | =item $uint = $device->native_vector_width_double |
945 | |
1074 | |
946 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE> and returns the result. |
1075 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_NATIVE_VECTOR_WIDTH_DOUBLE> and returns the result. |
947 | |
1076 | |
948 | =item $uint = $device->native_vector_width_half |
1077 | =item $uint = $device->native_vector_width_half |
949 | |
1078 | |
950 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_NATIVE_VECTOR_WIDTH_HALF> and returns the result. |
1079 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_NATIVE_VECTOR_WIDTH_HALF> and returns the result. |
951 | |
1080 | |
952 | =item $device_fp_config = $device->double_fp_config |
1081 | =item $device_fp_config = $device->double_fp_config |
953 | |
1082 | |
954 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_DOUBLE_FP_CONFIG> and returns the result. |
1083 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_DOUBLE_FP_CONFIG> and returns the result. |
955 | |
1084 | |
956 | =item $device_fp_config = $device->half_fp_config |
1085 | =item $device_fp_config = $device->half_fp_config |
957 | |
1086 | |
958 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_HALF_FP_CONFIG> and returns the result. |
1087 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_HALF_FP_CONFIG> and returns the result. |
959 | |
1088 | |
960 | =item $boolean = $device->host_unified_memory |
1089 | =item $boolean = $device->host_unified_memory |
961 | |
1090 | |
962 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_HOST_UNIFIED_MEMORY> and returns the result. |
1091 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_HOST_UNIFIED_MEMORY> and returns the result. |
963 | |
1092 | |
964 | =item $device = $device->parent_device_ext |
1093 | =item $device = $device->parent_device_ext |
965 | |
1094 | |
966 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PARENT_DEVICE_EXT> and returns the result. |
1095 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PARENT_DEVICE_EXT> and returns the result. |
967 | |
1096 | |
968 | =item @device_partition_property_exts = $device->partition_types_ext |
1097 | =item @device_partition_property_exts = $device->partition_types_ext |
969 | |
1098 | |
970 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PARTITION_TYPES_EXT> and returns the result. |
1099 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PARTITION_TYPES_EXT> and returns the result. |
971 | |
1100 | |
972 | =item @device_partition_property_exts = $device->affinity_domains_ext |
1101 | =item @device_partition_property_exts = $device->affinity_domains_ext |
973 | |
1102 | |
974 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_AFFINITY_DOMAINS_EXT> and returns the result. |
1103 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_AFFINITY_DOMAINS_EXT> and returns the result. |
975 | |
1104 | |
976 | =item $uint = $device->reference_count_ext |
1105 | =item $uint = $device->reference_count_ext |
977 | |
1106 | |
978 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_REFERENCE_COUNT_EXT> and returns the result. |
1107 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_REFERENCE_COUNT_EXT> and returns the result. |
979 | |
1108 | |
980 | =item @device_partition_property_exts = $device->partition_style_ext |
1109 | =item @device_partition_property_exts = $device->partition_style_ext |
981 | |
1110 | |
982 | Calls C<clGetDeviceInfo> with C<CL_DEVICE_PARTITION_STYLE_EXT> and returns the result. |
1111 | Calls C<clGetDeviceInfo> with C<OpenCL::DEVICE_PARTITION_STYLE_EXT> and returns the result. |
983 | |
1112 | |
984 | =for gengetinfo end device |
1113 | =for gengetinfo end device |
985 | |
1114 | |
986 | =back |
1115 | =back |
987 | |
1116 | |
988 | =head2 THE OpenCL::Context CLASS |
1117 | =head2 THE OpenCL::Context CLASS |
|
|
1118 | |
|
|
1119 | An OpenCL::Context is basically a container, or manager, for a number of |
|
|
1120 | devices of a platform. It is used to create all sorts of secondary objects |
|
|
1121 | such as buffers, queues, programs and so on. |
|
|
1122 | |
|
|
1123 | All context creation functions and methods take a list of properties |
|
|
1124 | (type-value pairs). All property values can be specified as integers - |
|
|
1125 | some additionally support other types: |
|
|
1126 | |
|
|
1127 | =over 4 |
|
|
1128 | |
|
|
1129 | =item OpenCL::CONTEXT_PLATFORM |
|
|
1130 | |
|
|
1131 | Also accepts OpenCL::Platform objects. |
|
|
1132 | |
|
|
1133 | =item OpenCL::GLX_DISPLAY_KHR |
|
|
1134 | |
|
|
1135 | Also accepts C<undef>, in which case a deep and troubling hack is engaged |
|
|
1136 | to find the current glx display (see L<GLX SUPPORT>). |
|
|
1137 | |
|
|
1138 | =item OpenCL::GL_CONTEXT_KHR |
|
|
1139 | |
|
|
1140 | Also accepts C<undef>, in which case a deep and troubling hack is engaged |
|
|
1141 | to find the current glx context (see L<GLX SUPPORT>). |
|
|
1142 | |
|
|
1143 | =back |
989 | |
1144 | |
990 | =over 4 |
1145 | =over 4 |
991 | |
1146 | |
992 | =item $prog = $ctx->build_program ($program, $options = "") |
1147 | =item $prog = $ctx->build_program ($program, $options = "") |
993 | |
1148 | |
… | |
… | |
1002 | =cut |
1157 | =cut |
1003 | |
1158 | |
1004 | sub OpenCL::Context::build_program { |
1159 | sub OpenCL::Context::build_program { |
1005 | my ($self, $prog, $options) = @_; |
1160 | my ($self, $prog, $options) = @_; |
1006 | |
1161 | |
1007 | require Carp; |
|
|
1008 | |
|
|
1009 | $prog = $self->program_with_source ($prog) |
1162 | $prog = $self->program_with_source ($prog) |
1010 | unless ref $prog; |
1163 | unless ref $prog; |
1011 | |
1164 | |
1012 | # we build separately per device so we instantly know which one failed |
1165 | eval { $prog->build (undef, $options); 1 } |
|
|
1166 | or errno == BUILD_PROGRAM_FAILURE |
|
|
1167 | or errno == INVALID_BINARY # workaround nvidia bug |
|
|
1168 | or Carp::croak "OpenCL::Context->build_program: " . err2str; |
|
|
1169 | |
|
|
1170 | # we check status for all devices |
1013 | for my $dev ($self->devices) { |
1171 | for my $dev ($self->devices) { |
1014 | eval { $prog->build ([$dev], $options); 1 } |
1172 | $prog->build_status ($dev) == BUILD_SUCCESS |
1015 | or Carp::croak ("Building OpenCL program for device '" . $dev->name . "' failed:\n" |
1173 | or Carp::croak "Building OpenCL program for device '" . $dev->name . "' failed:\n" |
1016 | . $prog->build_log ($dev)); |
1174 | . $prog->build_log ($dev); |
1017 | } |
1175 | } |
1018 | |
1176 | |
1019 | $prog |
1177 | $prog |
1020 | } |
1178 | } |
1021 | |
1179 | |
… | |
… | |
1038 | =item $buf = $ctx->buffer ($flags, $len) |
1196 | =item $buf = $ctx->buffer ($flags, $len) |
1039 | |
1197 | |
1040 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object with the |
1198 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object with the |
1041 | given flags and octet-size. |
1199 | given flags and octet-size. |
1042 | |
1200 | |
|
|
1201 | flags: OpenCL::MEM_READ_WRITE, OpenCL::MEM_WRITE_ONLY, OpenCL::MEM_READ_ONLY, |
|
|
1202 | OpenCL::MEM_USE_HOST_PTR, OpenCL::MEM_ALLOC_HOST_PTR, OpenCL::MEM_COPY_HOST_PTR, |
|
|
1203 | OpenCL::MEM_HOST_WRITE_ONLY, OpenCL::MEM_HOST_READ_ONLY, OpenCL::MEM_HOST_NO_ACCESS. |
|
|
1204 | |
1043 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateBuffer.html> |
1205 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateBuffer.html> |
1044 | |
1206 | |
1045 | =item $buf = $ctx->buffer_sv ($flags, $data) |
1207 | =item $buf = $ctx->buffer_sv ($flags, $data) |
1046 | |
1208 | |
1047 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object and |
1209 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object and |
… | |
… | |
1050 | =item $img = $ctx->image ($self, $flags, $channel_order, $channel_type, $type, $width, $height, $depth = 0, $array_size = 0, $row_pitch = 0, $slice_pitch = 0, $num_mip_level = 0, $num_samples = 0, $*data = &PL_sv_undef) |
1212 | =item $img = $ctx->image ($self, $flags, $channel_order, $channel_type, $type, $width, $height, $depth = 0, $array_size = 0, $row_pitch = 0, $slice_pitch = 0, $num_mip_level = 0, $num_samples = 0, $*data = &PL_sv_undef) |
1051 | |
1213 | |
1052 | Creates a new OpenCL::Image object and optionally initialises it with |
1214 | Creates a new OpenCL::Image object and optionally initialises it with |
1053 | the given data values. |
1215 | the given data values. |
1054 | |
1216 | |
|
|
1217 | channel_order: OpenCL::R, OpenCL::A, OpenCL::RG, OpenCL::RA, OpenCL::RGB, |
|
|
1218 | OpenCL::RGBA, OpenCL::BGRA, OpenCL::ARGB, OpenCL::INTENSITY, OpenCL::LUMINANCE, |
|
|
1219 | OpenCL::Rx, OpenCL::RGx, OpenCL::RGBx. |
|
|
1220 | |
|
|
1221 | channel_type: OpenCL::SNORM_INT8, OpenCL::SNORM_INT16, OpenCL::UNORM_INT8, |
|
|
1222 | OpenCL::UNORM_INT16, OpenCL::UNORM_SHORT_565, OpenCL::UNORM_SHORT_555, |
|
|
1223 | OpenCL::UNORM_INT_101010, OpenCL::SIGNED_INT8, OpenCL::SIGNED_INT16, |
|
|
1224 | OpenCL::SIGNED_INT32, OpenCL::UNSIGNED_INT8, OpenCL::UNSIGNED_INT16, |
|
|
1225 | OpenCL::UNSIGNED_INT32, OpenCL::HALF_FLOAT, OpenCL::FLOAT. |
|
|
1226 | |
|
|
1227 | type: OpenCL::MEM_OBJECT_BUFFER, OpenCL::MEM_OBJECT_IMAGE2D, |
|
|
1228 | OpenCL::MEM_OBJECT_IMAGE3D, OpenCL::MEM_OBJECT_IMAGE2D_ARRAY, |
|
|
1229 | OpenCL::MEM_OBJECT_IMAGE1D, OpenCL::MEM_OBJECT_IMAGE1D_ARRAY, |
|
|
1230 | OpenCL::MEM_OBJECT_IMAGE1D_BUFFER. |
|
|
1231 | |
1055 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateImage.html> |
1232 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateImage.html> |
1056 | |
1233 | |
1057 | =item $img = $ctx->image2d ($flags, $channel_order, $channel_type, $width, $height, $row_pitch = 0, $data = undef) |
1234 | =item $img = $ctx->image2d ($flags, $channel_order, $channel_type, $width, $height, $row_pitch = 0, $data = undef) |
1058 | |
1235 | |
1059 | Creates a new OpenCL::Image2D object and optionally initialises it with |
1236 | Creates a new OpenCL::Image2D object and optionally initialises it with |
… | |
… | |
1071 | =item $buffer = $ctx->gl_buffer ($flags, $bufobj) |
1248 | =item $buffer = $ctx->gl_buffer ($flags, $bufobj) |
1072 | |
1249 | |
1073 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object that refers to the given |
1250 | Creates a new OpenCL::Buffer (actually OpenCL::BufferObj) object that refers to the given |
1074 | OpenGL buffer object. |
1251 | OpenGL buffer object. |
1075 | |
1252 | |
|
|
1253 | flags: OpenCL::MEM_READ_WRITE, OpenCL::MEM_READ_ONLY, OpenCL::MEM_WRITE_ONLY. |
|
|
1254 | |
1076 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLBuffer.html |
1255 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateFromGLBuffer.html |
1077 | |
1256 | |
1078 | =item $img = $ctx->gl_texture ($flags, $target, $miplevel, $texture) |
1257 | =item $img = $ctx->gl_texture ($flags, $target, $miplevel, $texture) |
1079 | |
1258 | |
1080 | Creates a new OpenCL::Image object that refers to the given OpenGL |
1259 | Creates a new OpenCL::Image object that refers to the given OpenGL |
1081 | texture object or buffer. |
1260 | texture object or buffer. |
1082 | |
1261 | |
|
|
1262 | target: GL_TEXTURE_1D, GL_TEXTURE_1D_ARRAY, GL_TEXTURE_BUFFER, |
|
|
1263 | GL_TEXTURE_2D, GL_TEXTURE_2D_ARRAY, GL_TEXTURE_3D, |
|
|
1264 | GL_TEXTURE_CUBE_MAP_POSITIVE_X, GL_TEXTURE_CUBE_MAP_POSITIVE_Y, |
|
|
1265 | GL_TEXTURE_CUBE_MAP_POSITIVE_Z, GL_TEXTURE_CUBE_MAP_NEGATIVE_X, |
|
|
1266 | GL_TEXTURE_CUBE_MAP_NEGATIVE_Y, GL_TEXTURE_CUBE_MAP_NEGATIVE_Z, |
|
|
1267 | GL_TEXTURE_RECTANGLE/GL_TEXTURE_RECTANGLE_ARB. |
|
|
1268 | |
1083 | http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateFromGLTexture.html |
1269 | http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateFromGLTexture.html |
1084 | |
1270 | |
1085 | =item $img = $ctx->gl_texture2d ($flags, $target, $miplevel, $texture) |
1271 | =item $img = $ctx->gl_texture2d ($flags, $target, $miplevel, $texture) |
1086 | |
1272 | |
1087 | Creates a new OpenCL::Image2D object that refers to the given OpenGL |
1273 | Creates a new OpenCL::Image2D object that refers to the given OpenGL |
… | |
… | |
1112 | |
1298 | |
1113 | =item $sampler = $ctx->sampler ($normalized_coords, $addressing_mode, $filter_mode) |
1299 | =item $sampler = $ctx->sampler ($normalized_coords, $addressing_mode, $filter_mode) |
1114 | |
1300 | |
1115 | Creates a new OpenCL::Sampler object. |
1301 | Creates a new OpenCL::Sampler object. |
1116 | |
1302 | |
|
|
1303 | addressing_mode: OpenCL::ADDRESS_NONE, OpenCL::ADDRESS_CLAMP_TO_EDGE, |
|
|
1304 | OpenCL::ADDRESS_CLAMP, OpenCL::ADDRESS_REPEAT, OpenCL::ADDRESS_MIRRORED_REPEAT. |
|
|
1305 | |
|
|
1306 | filter_mode: OpenCL::FILTER_NEAREST, OpenCL::FILTER_LINEAR. |
|
|
1307 | |
1117 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateSampler.html> |
1308 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateSampler.html> |
1118 | |
1309 | |
1119 | =item $program = $ctx->program_with_source ($string) |
1310 | =item $program = $ctx->program_with_source ($string) |
1120 | |
1311 | |
1121 | Creates a new OpenCL::Program object from the given source code. |
1312 | Creates a new OpenCL::Program object from the given source code. |
1122 | |
1313 | |
1123 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateProgramWithSource.html> |
1314 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateProgramWithSource.html> |
1124 | |
1315 | |
|
|
1316 | =item ($program, \@status) = $ctx->program_with_binary (\@devices, \@binaries) |
|
|
1317 | |
|
|
1318 | Creates a new OpenCL::Program object from the given binaries. |
|
|
1319 | |
|
|
1320 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clCreateProgramWithBinary.html> |
|
|
1321 | |
|
|
1322 | Example: clone an existing program object that contains a successfully |
|
|
1323 | compiled program, no matter how useless this is. |
|
|
1324 | |
|
|
1325 | my $clone = $ctx->program_with_binary ([$prog->devices], [$prog->binaries]); |
|
|
1326 | |
|
|
1327 | =item $program = $ctx->program_with_built_in_kernels (\@devices, $kernel_names) |
|
|
1328 | |
|
|
1329 | Creates a new OpenCL::Program object from the given built-in kernel names. |
|
|
1330 | |
|
|
1331 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCreateProgramWithBuiltInKernels.html> |
|
|
1332 | |
|
|
1333 | =item $program = $ctx->link_program (\@devices, $options, \@programs, $cb->($program) = undef) |
|
|
1334 | |
|
|
1335 | Links all (already compiled) program objects specified in C<@programs> |
|
|
1336 | together and returns a new OpenCL::Program object with the result. |
|
|
1337 | |
|
|
1338 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clLinkProgram.html> |
|
|
1339 | |
1125 | =item $packed_value = $ctx->info ($name) |
1340 | =item $packed_value = $ctx->info ($name) |
1126 | |
1341 | |
1127 | See C<< $platform->info >> for details. |
1342 | See C<< $platform->info >> for details. |
1128 | |
1343 | |
1129 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetContextInfo.html> |
1344 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetContextInfo.html> |
1130 | |
1345 | |
1131 | =for gengetinfo begin context |
1346 | =for gengetinfo begin context |
1132 | |
1347 | |
1133 | =item $uint = $context->reference_count |
1348 | =item $uint = $context->reference_count |
1134 | |
1349 | |
1135 | Calls C<clGetContextInfo> with C<CL_CONTEXT_REFERENCE_COUNT> and returns the result. |
1350 | Calls C<clGetContextInfo> with C<OpenCL::CONTEXT_REFERENCE_COUNT> and returns the result. |
1136 | |
1351 | |
1137 | =item @devices = $context->devices |
1352 | =item @devices = $context->devices |
1138 | |
1353 | |
1139 | Calls C<clGetContextInfo> with C<CL_CONTEXT_DEVICES> and returns the result. |
1354 | Calls C<clGetContextInfo> with C<OpenCL::CONTEXT_DEVICES> and returns the result. |
1140 | |
1355 | |
1141 | =item @property_ints = $context->properties |
1356 | =item @property_ints = $context->properties |
1142 | |
1357 | |
1143 | Calls C<clGetContextInfo> with C<CL_CONTEXT_PROPERTIES> and returns the result. |
1358 | Calls C<clGetContextInfo> with C<OpenCL::CONTEXT_PROPERTIES> and returns the result. |
1144 | |
1359 | |
1145 | =item $uint = $context->num_devices |
1360 | =item $uint = $context->num_devices |
1146 | |
1361 | |
1147 | Calls C<clGetContextInfo> with C<CL_CONTEXT_NUM_DEVICES> and returns the result. |
1362 | Calls C<clGetContextInfo> with C<OpenCL::CONTEXT_NUM_DEVICES> and returns the result. |
1148 | |
1363 | |
1149 | =for gengetinfo end context |
1364 | =for gengetinfo end context |
1150 | |
1365 | |
1151 | =back |
1366 | =back |
1152 | |
1367 | |
… | |
… | |
1199 | |
1414 | |
1200 | =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...) |
1415 | =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...) |
1201 | |
1416 | |
1202 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteBufferRect.html |
1417 | http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteBufferRect.html |
1203 | |
1418 | |
|
|
1419 | =item $ev = $queue->copy_buffer_to_image ($src_buffer, $dst_image, $src_offset, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $wait_events...) |
|
|
1420 | |
|
|
1421 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBufferToImage.html> |
|
|
1422 | |
1204 | =item $ev = $queue->read_image ($src, $blocking, $x, $y, $z, $width, $height, $depth, $row_pitch, $slice_pitch, $data, $wait_events...) |
1423 | =item $ev = $queue->read_image ($src, $blocking, $x, $y, $z, $width, $height, $depth, $row_pitch, $slice_pitch, $data, $wait_events...) |
1205 | |
1424 | |
1206 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyBufferRect.html> |
1425 | C<$row_pitch> (and C<$slice_pitch>) can be C<0>, in which case the OpenCL |
1207 | |
1426 | module uses the image width (and height) to supply default values. |
1208 | =item $ev = $queue->copy_buffer_to_image ($src_buffer, $dst_image, $src_offset, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $wait_events...) |
|
|
1209 | |
1427 | |
1210 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueReadImage.html> |
1428 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueReadImage.html> |
1211 | |
1429 | |
1212 | =item $ev = $queue->write_image ($src, $blocking, $x, $y, $z, $width, $height, $depth, $row_pitch, $slice_pitch, $data, $wait_events...) |
1430 | =item $ev = $queue->write_image ($src, $blocking, $x, $y, $z, $width, $height, $depth, $row_pitch, $slice_pitch, $data, $wait_events...) |
1213 | |
1431 | |
|
|
1432 | C<$row_pitch> (and C<$slice_pitch>) can be C<0>, in which case the OpenCL |
|
|
1433 | module uses the image width (and height) to supply default values. |
1214 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteImage.html> |
1434 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueWriteImage.html> |
1215 | |
1435 | |
1216 | =item $ev = $queue->copy_image ($src_image, $dst_image, $src_x, $src_y, $src_z, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $wait_events...) |
1436 | =item $ev = $queue->copy_image ($src_image, $dst_image, $src_x, $src_y, $src_z, $dst_x, $dst_y, $dst_z, $width, $height, $depth, $wait_events...) |
1217 | |
1437 | |
1218 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyImage.html> |
1438 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueCopyImage.html> |
… | |
… | |
1263 | reference to an array of local work sizes, with the same number of |
1483 | reference to an array of local work sizes, with the same number of |
1264 | elements as \@global_work_size. |
1484 | elements as \@global_work_size. |
1265 | |
1485 | |
1266 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueNDRangeKernel.html> |
1486 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueNDRangeKernel.html> |
1267 | |
1487 | |
|
|
1488 | =item $ev = $queue->migrate_mem_objects (\@mem_objects, $flags, $wait_events...) |
|
|
1489 | |
|
|
1490 | Migrates a number of OpenCL::Memory objects to or from the device. |
|
|
1491 | |
|
|
1492 | flags: OpenCL::MIGRATE_MEM_OBJECT_HOST, OpenCL::MIGRATE_MEM_OBJECT_CONTENT_UNDEFINED |
|
|
1493 | |
|
|
1494 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clEnqueueMigrateMemObjects.html> |
|
|
1495 | |
1268 | =item $ev = $queue->acquire_gl_objects ([object, ...], $wait_events...) |
1496 | =item $ev = $queue->acquire_gl_objects ([object, ...], $wait_events...) |
1269 | |
1497 | |
1270 | Enqueues a list (an array-ref of OpenCL::Memory objects) to be acquired |
1498 | Enqueues a list (an array-ref of OpenCL::Memory objects) to be acquired |
1271 | for subsequent OpenCL usage. |
1499 | for subsequent OpenCL usage. |
1272 | |
1500 | |
… | |
… | |
1307 | |
1535 | |
1308 | =for gengetinfo begin command_queue |
1536 | =for gengetinfo begin command_queue |
1309 | |
1537 | |
1310 | =item $ctx = $command_queue->context |
1538 | =item $ctx = $command_queue->context |
1311 | |
1539 | |
1312 | Calls C<clGetCommandQueueInfo> with C<CL_QUEUE_CONTEXT> and returns the result. |
1540 | Calls C<clGetCommandQueueInfo> with C<OpenCL::QUEUE_CONTEXT> and returns the result. |
1313 | |
1541 | |
1314 | =item $device = $command_queue->device |
1542 | =item $device = $command_queue->device |
1315 | |
1543 | |
1316 | Calls C<clGetCommandQueueInfo> with C<CL_QUEUE_DEVICE> and returns the result. |
1544 | Calls C<clGetCommandQueueInfo> with C<OpenCL::QUEUE_DEVICE> and returns the result. |
1317 | |
1545 | |
1318 | =item $uint = $command_queue->reference_count |
1546 | =item $uint = $command_queue->reference_count |
1319 | |
1547 | |
1320 | Calls C<clGetCommandQueueInfo> with C<CL_QUEUE_REFERENCE_COUNT> and returns the result. |
1548 | Calls C<clGetCommandQueueInfo> with C<OpenCL::QUEUE_REFERENCE_COUNT> and returns the result. |
1321 | |
1549 | |
1322 | =item $command_queue_properties = $command_queue->properties |
1550 | =item $command_queue_properties = $command_queue->properties |
1323 | |
1551 | |
1324 | Calls C<clGetCommandQueueInfo> with C<CL_QUEUE_PROPERTIES> and returns the result. |
1552 | Calls C<clGetCommandQueueInfo> with C<OpenCL::QUEUE_PROPERTIES> and returns the result. |
1325 | |
1553 | |
1326 | =for gengetinfo end command_queue |
1554 | =for gengetinfo end command_queue |
|
|
1555 | |
|
|
1556 | =back |
|
|
1557 | |
|
|
1558 | =head3 MEMORY MAPPED BUFFERS |
|
|
1559 | |
|
|
1560 | OpenCL allows you to map buffers and images to host memory (read: perl |
|
|
1561 | scalars). This is done much like reading or copying a buffer, by enqueuing |
|
|
1562 | a map or unmap operation on the command queue. |
|
|
1563 | |
|
|
1564 | The map operations return an C<OpenCL::Mapped> object - see L<THE |
|
|
1565 | OpenCL::Mapped CLASS> section for details on what to do with these |
|
|
1566 | objects. |
|
|
1567 | |
|
|
1568 | The object will be unmapped automatically when the mapped object is |
|
|
1569 | destroyed (you can use a barrier to make sure the unmap has finished, |
|
|
1570 | before using the buffer in a kernel), but you can also enqueue an unmap |
|
|
1571 | operation manually. |
|
|
1572 | |
|
|
1573 | =over 4 |
|
|
1574 | |
|
|
1575 | =item $mapped_buffer = $queue->map_buffer ($buf, $blocking=1, $map_flags=OpenCL::MAP_READ|OpenCL::MAP_WRITE, $offset=0, $size=undef, $wait_events...) |
|
|
1576 | |
|
|
1577 | Maps the given buffer into host memory and returns an |
|
|
1578 | C<OpenCL::MappedBuffer> object. If C<$size> is specified as undef, then |
|
|
1579 | the map will extend to the end of the buffer. |
|
|
1580 | |
|
|
1581 | map_flags: OpenCL::MAP_READ, OpenCL::MAP_WRITE, OpenCL::MAP_WRITE_INVALIDATE_REGION. |
|
|
1582 | |
|
|
1583 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueMapBuffer.html> |
|
|
1584 | |
|
|
1585 | Example: map the buffer $buf fully and replace the first 4 bytes by "abcd", then unmap. |
|
|
1586 | |
|
|
1587 | { |
|
|
1588 | my $mapped = $queue->map_buffer ($buf, 1, OpenCL::MAP_WRITE); |
|
|
1589 | substr $$mapped, 0, 4, "abcd"; |
|
|
1590 | } # asynchronously unmap because $mapped is destroyed |
|
|
1591 | |
|
|
1592 | =item $mapped_image = $queue->map_image ($img, $blocking=1, $map_flags=OpenCL::MAP_READ|OpenCL::MAP_WRITE, $x=0, $y=0, $z=0, $width=undef, $height=undef, $depth=undef, $wait_events...) |
|
|
1593 | |
|
|
1594 | Maps the given image area into host memory and return an |
|
|
1595 | C<OpenCL::MappedImage> object. |
|
|
1596 | |
|
|
1597 | If any of C<$width>, C<$height> and/or C<$depth> are C<undef> then they |
|
|
1598 | will be replaced by the maximum possible value. |
|
|
1599 | |
|
|
1600 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clEnqueueMapImage.html> |
|
|
1601 | |
|
|
1602 | Example: map an image (with OpenCL::UNSIGNED_INT8 channel type) and set |
|
|
1603 | the first channel of the leftmost column to 5, then explicitly unmap |
|
|
1604 | it. You are not necessarily meant to do it this way, this example just |
|
|
1605 | shows you the accessors to use :) |
|
|
1606 | |
|
|
1607 | my $mapped = $queue->map_image ($image, 1, OpenCL::MAP_WRITE); |
|
|
1608 | |
|
|
1609 | $mapped->set ($_ * $mapped->row_pitch, pack "C", 5) |
|
|
1610 | for 0..$image->height; |
|
|
1611 | |
|
|
1612 | $mapped->unmap;. |
|
|
1613 | $mapped->wait; # only needed for out of order queues normally |
|
|
1614 | |
|
|
1615 | =item $ev = $queue->unmap ($mapped, $wait_events...) |
|
|
1616 | |
|
|
1617 | Unmaps the data from host memory. You must not call any methods that |
|
|
1618 | modify the data, or modify the data scalar directly, after calling this |
|
|
1619 | method. |
|
|
1620 | |
|
|
1621 | The mapped event object will always be passed as part of the |
|
|
1622 | $wait_events. The mapped event object will be replaced by the new event |
|
|
1623 | object that this request creates. |
1327 | |
1624 | |
1328 | =back |
1625 | =back |
1329 | |
1626 | |
1330 | =head2 THE OpenCL::Memory CLASS |
1627 | =head2 THE OpenCL::Memory CLASS |
1331 | |
1628 | |
… | |
… | |
1342 | |
1639 | |
1343 | =for gengetinfo begin mem |
1640 | =for gengetinfo begin mem |
1344 | |
1641 | |
1345 | =item $mem_object_type = $mem->type |
1642 | =item $mem_object_type = $mem->type |
1346 | |
1643 | |
1347 | Calls C<clGetMemObjectInfo> with C<CL_MEM_TYPE> and returns the result. |
1644 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_TYPE> and returns the result. |
1348 | |
1645 | |
1349 | =item $mem_flags = $mem->flags |
1646 | =item $mem_flags = $mem->flags |
1350 | |
1647 | |
1351 | Calls C<clGetMemObjectInfo> with C<CL_MEM_FLAGS> and returns the result. |
1648 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_FLAGS> and returns the result. |
1352 | |
1649 | |
1353 | =item $int = $mem->size |
1650 | =item $int = $mem->size |
1354 | |
1651 | |
1355 | Calls C<clGetMemObjectInfo> with C<CL_MEM_SIZE> and returns the result. |
1652 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_SIZE> and returns the result. |
1356 | |
1653 | |
1357 | =item $ptr_value = $mem->host_ptr |
1654 | =item $ptr_value = $mem->host_ptr |
1358 | |
1655 | |
1359 | Calls C<clGetMemObjectInfo> with C<CL_MEM_HOST_PTR> and returns the result. |
1656 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_HOST_PTR> and returns the result. |
1360 | |
1657 | |
1361 | =item $uint = $mem->map_count |
1658 | =item $uint = $mem->map_count |
1362 | |
1659 | |
1363 | Calls C<clGetMemObjectInfo> with C<CL_MEM_MAP_COUNT> and returns the result. |
1660 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_MAP_COUNT> and returns the result. |
1364 | |
1661 | |
1365 | =item $uint = $mem->reference_count |
1662 | =item $uint = $mem->reference_count |
1366 | |
1663 | |
1367 | Calls C<clGetMemObjectInfo> with C<CL_MEM_REFERENCE_COUNT> and returns the result. |
1664 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_REFERENCE_COUNT> and returns the result. |
1368 | |
1665 | |
1369 | =item $ctx = $mem->context |
1666 | =item $ctx = $mem->context |
1370 | |
1667 | |
1371 | Calls C<clGetMemObjectInfo> with C<CL_MEM_CONTEXT> and returns the result. |
1668 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_CONTEXT> and returns the result. |
1372 | |
1669 | |
1373 | =item $mem = $mem->associated_memobject |
1670 | =item $mem = $mem->associated_memobject |
1374 | |
1671 | |
1375 | Calls C<clGetMemObjectInfo> with C<CL_MEM_ASSOCIATED_MEMOBJECT> and returns the result. |
1672 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_ASSOCIATED_MEMOBJECT> and returns the result. |
1376 | |
1673 | |
1377 | =item $int = $mem->offset |
1674 | =item $int = $mem->offset |
1378 | |
1675 | |
1379 | Calls C<clGetMemObjectInfo> with C<CL_MEM_OFFSET> and returns the result. |
1676 | Calls C<clGetMemObjectInfo> with C<OpenCL::MEM_OFFSET> and returns the result. |
1380 | |
1677 | |
1381 | =for gengetinfo end mem |
1678 | =for gengetinfo end mem |
1382 | |
1679 | |
1383 | =item ($type, $name) = $mem->gl_object_info |
1680 | =item ($type, $name) = $mem->gl_object_info |
1384 | |
1681 | |
… | |
… | |
1436 | |
1733 | |
1437 | =for gengetinfo begin image |
1734 | =for gengetinfo begin image |
1438 | |
1735 | |
1439 | =item $int = $image->element_size |
1736 | =item $int = $image->element_size |
1440 | |
1737 | |
1441 | Calls C<clGetImageInfo> with C<CL_IMAGE_ELEMENT_SIZE> and returns the result. |
1738 | Calls C<clGetImageInfo> with C<OpenCL::IMAGE_ELEMENT_SIZE> and returns the result. |
1442 | |
1739 | |
1443 | =item $int = $image->row_pitch |
1740 | =item $int = $image->row_pitch |
1444 | |
1741 | |
1445 | Calls C<clGetImageInfo> with C<CL_IMAGE_ROW_PITCH> and returns the result. |
1742 | Calls C<clGetImageInfo> with C<OpenCL::IMAGE_ROW_PITCH> and returns the result. |
1446 | |
1743 | |
1447 | =item $int = $image->slice_pitch |
1744 | =item $int = $image->slice_pitch |
1448 | |
1745 | |
1449 | Calls C<clGetImageInfo> with C<CL_IMAGE_SLICE_PITCH> and returns the result. |
1746 | Calls C<clGetImageInfo> with C<OpenCL::IMAGE_SLICE_PITCH> and returns the result. |
1450 | |
1747 | |
1451 | =item $int = $image->width |
1748 | =item $int = $image->width |
1452 | |
1749 | |
1453 | Calls C<clGetImageInfo> with C<CL_IMAGE_WIDTH> and returns the result. |
1750 | Calls C<clGetImageInfo> with C<OpenCL::IMAGE_WIDTH> and returns the result. |
1454 | |
1751 | |
1455 | =item $int = $image->height |
1752 | =item $int = $image->height |
1456 | |
1753 | |
1457 | Calls C<clGetImageInfo> with C<CL_IMAGE_HEIGHT> and returns the result. |
1754 | Calls C<clGetImageInfo> with C<OpenCL::IMAGE_HEIGHT> and returns the result. |
1458 | |
1755 | |
1459 | =item $int = $image->depth |
1756 | =item $int = $image->depth |
1460 | |
1757 | |
1461 | Calls C<clGetImageInfo> with C<CL_IMAGE_DEPTH> and returns the result. |
1758 | Calls C<clGetImageInfo> with C<OpenCL::IMAGE_DEPTH> and returns the result. |
1462 | |
1759 | |
1463 | =for gengetinfo end image |
1760 | =for gengetinfo end image |
1464 | |
1761 | |
1465 | =for gengetinfo begin gl_texture |
1762 | =for gengetinfo begin gl_texture |
1466 | |
1763 | |
1467 | =item $GLenum = $gl_texture->target |
1764 | =item $GLenum = $gl_texture->target |
1468 | |
1765 | |
1469 | Calls C<clGetGLTextureInfo> with C<CL_GL_TEXTURE_TARGET> and returns the result. |
1766 | Calls C<clGetGLTextureInfo> with C<OpenCL::GL_TEXTURE_TARGET> and returns the result. |
1470 | |
1767 | |
1471 | =item $GLint = $gl_texture->gl_mipmap_level |
1768 | =item $GLint = $gl_texture->gl_mipmap_level |
1472 | |
1769 | |
1473 | Calls C<clGetGLTextureInfo> with C<CL_GL_MIPMAP_LEVEL> and returns the result. |
1770 | Calls C<clGetGLTextureInfo> with C<OpenCL::GL_MIPMAP_LEVEL> and returns the result. |
1474 | |
1771 | |
1475 | =for gengetinfo end gl_texture |
1772 | =for gengetinfo end gl_texture |
1476 | |
1773 | |
1477 | =back |
1774 | =back |
1478 | |
1775 | |
… | |
… | |
1488 | |
1785 | |
1489 | =for gengetinfo begin sampler |
1786 | =for gengetinfo begin sampler |
1490 | |
1787 | |
1491 | =item $uint = $sampler->reference_count |
1788 | =item $uint = $sampler->reference_count |
1492 | |
1789 | |
1493 | Calls C<clGetSamplerInfo> with C<CL_SAMPLER_REFERENCE_COUNT> and returns the result. |
1790 | Calls C<clGetSamplerInfo> with C<OpenCL::SAMPLER_REFERENCE_COUNT> and returns the result. |
1494 | |
1791 | |
1495 | =item $ctx = $sampler->context |
1792 | =item $ctx = $sampler->context |
1496 | |
1793 | |
1497 | Calls C<clGetSamplerInfo> with C<CL_SAMPLER_CONTEXT> and returns the result. |
1794 | Calls C<clGetSamplerInfo> with C<OpenCL::SAMPLER_CONTEXT> and returns the result. |
1498 | |
1795 | |
1499 | =item $addressing_mode = $sampler->normalized_coords |
1796 | =item $addressing_mode = $sampler->normalized_coords |
1500 | |
1797 | |
1501 | Calls C<clGetSamplerInfo> with C<CL_SAMPLER_NORMALIZED_COORDS> and returns the result. |
1798 | Calls C<clGetSamplerInfo> with C<OpenCL::SAMPLER_NORMALIZED_COORDS> and returns the result. |
1502 | |
1799 | |
1503 | =item $filter_mode = $sampler->addressing_mode |
1800 | =item $filter_mode = $sampler->addressing_mode |
1504 | |
1801 | |
1505 | Calls C<clGetSamplerInfo> with C<CL_SAMPLER_ADDRESSING_MODE> and returns the result. |
1802 | Calls C<clGetSamplerInfo> with C<OpenCL::SAMPLER_ADDRESSING_MODE> and returns the result. |
1506 | |
1803 | |
1507 | =item $boolean = $sampler->filter_mode |
1804 | =item $boolean = $sampler->filter_mode |
1508 | |
1805 | |
1509 | Calls C<clGetSamplerInfo> with C<CL_SAMPLER_FILTER_MODE> and returns the result. |
1806 | Calls C<clGetSamplerInfo> with C<OpenCL::SAMPLER_FILTER_MODE> and returns the result. |
1510 | |
1807 | |
1511 | =for gengetinfo end sampler |
1808 | =for gengetinfo end sampler |
1512 | |
1809 | |
1513 | =back |
1810 | =back |
1514 | |
1811 | |
… | |
… | |
1524 | If a callback is specified, then it will be called when compilation is |
1821 | If a callback is specified, then it will be called when compilation is |
1525 | finished. Note that many OpenCL implementations block your program while |
1822 | finished. Note that many OpenCL implementations block your program while |
1526 | compiling whether you use a callback or not. See C<build_async> if you |
1823 | compiling whether you use a callback or not. See C<build_async> if you |
1527 | want to make sure the build is done in the background. |
1824 | want to make sure the build is done in the background. |
1528 | |
1825 | |
1529 | Note that some OpenCL implementations atc up badly, and don't call the |
1826 | Note that some OpenCL implementations act up badly, and don't call the |
1530 | callback in some error cases (but call it in others). This implementation |
1827 | callback in some error cases (but call it in others). This implementation |
1531 | assumes the callback will always be called, and leaks memory if this is |
1828 | assumes the callback will always be called, and leaks memory if this is |
1532 | not so. So best make sure you don't pass in invalid values. |
1829 | not so. So best make sure you don't pass in invalid values. |
1533 | |
1830 | |
|
|
1831 | Some implementations fail with C<OpenCL::INVALID_BINARY> when the |
|
|
1832 | compilation state is successful but some later stage fails. |
|
|
1833 | |
|
|
1834 | options: C<-D name>, C<-D name=definition>, C<-I dir>, |
|
|
1835 | C<-cl-single-precision-constant>, C<-cl-denorms-are-zero>, |
|
|
1836 | C<-cl-fp32-correctly-rounded-divide-sqrt>, C<-cl-opt-disable>, |
|
|
1837 | C<-cl-mad-enable>, C<-cl-no-signed-zeros>, C<-cl-unsafe-math-optimizations>, |
|
|
1838 | C<-cl-finite-math-only>, C<-cl-fast-relaxed-math>, |
|
|
1839 | C<-w>, C<-Werror>, C<-cl-std=CL1.1/CL1.2>, C<-cl-kernel-arg-info>, |
|
|
1840 | C<-create-library>, C<-enable-link-options>. |
|
|
1841 | |
|
|
1842 | build_status: OpenCL::BUILD_SUCCESS, OpenCL::BUILD_NONE, |
|
|
1843 | OpenCL::BUILD_ERROR, OpenCL::BUILD_IN_PROGRESS. |
|
|
1844 | |
1534 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clBuildProgram.html> |
1845 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clBuildProgram.html> |
1535 | |
1846 | |
1536 | =item $program->build_async (\@devices = undef, $options = "", $cb->($program) = undef) |
1847 | =item $program->build_async (\@devices = undef, $options = "", $cb->($program) = undef) |
1537 | |
1848 | |
1538 | Similar to C<< ->build >>, except it starts a thread, and never fails (you |
1849 | Similar to C<< ->build >>, except it starts a thread, and never fails (you |
1539 | need to check the compilation status form the callback, or by polling). |
1850 | need to check the compilation status form the callback, or by polling). |
1540 | |
1851 | |
|
|
1852 | =item $program->compile (\@devices = undef, $options = "", \%headers = undef, $cb->($program) = undef) |
|
|
1853 | |
|
|
1854 | Compiles the given program for the given devices (or all devices if |
|
|
1855 | undef). If C<$headers> is given, it must be a hashref with include name => |
|
|
1856 | OpenCL::Program pairs. |
|
|
1857 | |
|
|
1858 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clCompileProgram.html> |
|
|
1859 | |
1541 | =item $packed_value = $program->build_info ($device, $name) |
1860 | =item $packed_value = $program->build_info ($device, $name) |
1542 | |
1861 | |
1543 | Similar to C<< $platform->info >>, but returns build info for a previous |
1862 | Similar to C<< $platform->info >>, but returns build info for a previous |
1544 | build attempt for the given device. |
1863 | build attempt for the given device. |
1545 | |
1864 | |
|
|
1865 | binary_type: OpenCL::PROGRAM_BINARY_TYPE_NONE, |
|
|
1866 | OpenCL::PROGRAM_BINARY_TYPE_COMPILED_OBJECT, |
|
|
1867 | OpenCL::PROGRAM_BINARY_TYPE_LIBRARY, |
|
|
1868 | OpenCL::PROGRAM_BINARY_TYPE_EXECUTABLE. |
|
|
1869 | |
1546 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetBuildInfo.html> |
1870 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetBuildInfo.html> |
1547 | |
1871 | |
1548 | =item $kernel = $program->kernel ($function_name) |
1872 | =item $kernel = $program->kernel ($function_name) |
1549 | |
1873 | |
1550 | Creates an OpenCL::Kernel object out of the named C<__kernel> function in |
1874 | Creates an OpenCL::Kernel object out of the named C<__kernel> function in |
… | |
… | |
1560 | |
1884 | |
1561 | =for gengetinfo begin program_build |
1885 | =for gengetinfo begin program_build |
1562 | |
1886 | |
1563 | =item $build_status = $program->build_status ($device) |
1887 | =item $build_status = $program->build_status ($device) |
1564 | |
1888 | |
1565 | Calls C<clGetProgramBuildInfo> with C<CL_PROGRAM_BUILD_STATUS> and returns the result. |
1889 | Calls C<clGetProgramBuildInfo> with C<OpenCL::PROGRAM_BUILD_STATUS> and returns the result. |
1566 | |
1890 | |
1567 | =item $string = $program->build_options ($device) |
1891 | =item $string = $program->build_options ($device) |
1568 | |
1892 | |
1569 | Calls C<clGetProgramBuildInfo> with C<CL_PROGRAM_BUILD_OPTIONS> and returns the result. |
1893 | Calls C<clGetProgramBuildInfo> with C<OpenCL::PROGRAM_BUILD_OPTIONS> and returns the result. |
1570 | |
1894 | |
1571 | =item $string = $program->build_log ($device) |
1895 | =item $string = $program->build_log ($device) |
1572 | |
1896 | |
1573 | Calls C<clGetProgramBuildInfo> with C<CL_PROGRAM_BUILD_LOG> and returns the result. |
1897 | Calls C<clGetProgramBuildInfo> with C<OpenCL::PROGRAM_BUILD_LOG> and returns the result. |
1574 | |
1898 | |
1575 | =for gengetinfo end program_build |
1899 | =for gengetinfo end program_build |
1576 | |
1900 | |
1577 | =item $packed_value = $program->info ($name) |
1901 | =item $packed_value = $program->info ($name) |
1578 | |
1902 | |
… | |
… | |
1582 | |
1906 | |
1583 | =for gengetinfo begin program |
1907 | =for gengetinfo begin program |
1584 | |
1908 | |
1585 | =item $uint = $program->reference_count |
1909 | =item $uint = $program->reference_count |
1586 | |
1910 | |
1587 | Calls C<clGetProgramInfo> with C<CL_PROGRAM_REFERENCE_COUNT> and returns the result. |
1911 | Calls C<clGetProgramInfo> with C<OpenCL::PROGRAM_REFERENCE_COUNT> and returns the result. |
1588 | |
1912 | |
1589 | =item $ctx = $program->context |
1913 | =item $ctx = $program->context |
1590 | |
1914 | |
1591 | Calls C<clGetProgramInfo> with C<CL_PROGRAM_CONTEXT> and returns the result. |
1915 | Calls C<clGetProgramInfo> with C<OpenCL::PROGRAM_CONTEXT> and returns the result. |
1592 | |
1916 | |
1593 | =item $uint = $program->num_devices |
1917 | =item $uint = $program->num_devices |
1594 | |
1918 | |
1595 | Calls C<clGetProgramInfo> with C<CL_PROGRAM_NUM_DEVICES> and returns the result. |
1919 | Calls C<clGetProgramInfo> with C<OpenCL::PROGRAM_NUM_DEVICES> and returns the result. |
1596 | |
1920 | |
1597 | =item @devices = $program->devices |
1921 | =item @devices = $program->devices |
1598 | |
1922 | |
1599 | Calls C<clGetProgramInfo> with C<CL_PROGRAM_DEVICES> and returns the result. |
1923 | Calls C<clGetProgramInfo> with C<OpenCL::PROGRAM_DEVICES> and returns the result. |
1600 | |
1924 | |
1601 | =item $string = $program->source |
1925 | =item $string = $program->source |
1602 | |
1926 | |
1603 | Calls C<clGetProgramInfo> with C<CL_PROGRAM_SOURCE> and returns the result. |
1927 | Calls C<clGetProgramInfo> with C<OpenCL::PROGRAM_SOURCE> and returns the result. |
1604 | |
1928 | |
1605 | =item @ints = $program->binary_sizes |
1929 | =item @ints = $program->binary_sizes |
1606 | |
1930 | |
1607 | Calls C<clGetProgramInfo> with C<CL_PROGRAM_BINARY_SIZES> and returns the result. |
1931 | Calls C<clGetProgramInfo> with C<OpenCL::PROGRAM_BINARY_SIZES> and returns the result. |
1608 | |
1932 | |
1609 | =for gengetinfo end program |
1933 | =for gengetinfo end program |
1610 | |
1934 | |
1611 | =item @blobs = $program->binaries |
1935 | =item @blobs = $program->binaries |
1612 | |
1936 | |
… | |
… | |
1633 | |
1957 | |
1634 | =for gengetinfo begin kernel |
1958 | =for gengetinfo begin kernel |
1635 | |
1959 | |
1636 | =item $string = $kernel->function_name |
1960 | =item $string = $kernel->function_name |
1637 | |
1961 | |
1638 | Calls C<clGetKernelInfo> with C<CL_KERNEL_FUNCTION_NAME> and returns the result. |
1962 | Calls C<clGetKernelInfo> with C<OpenCL::KERNEL_FUNCTION_NAME> and returns the result. |
1639 | |
1963 | |
1640 | =item $uint = $kernel->num_args |
1964 | =item $uint = $kernel->num_args |
1641 | |
1965 | |
1642 | Calls C<clGetKernelInfo> with C<CL_KERNEL_NUM_ARGS> and returns the result. |
1966 | Calls C<clGetKernelInfo> with C<OpenCL::KERNEL_NUM_ARGS> and returns the result. |
1643 | |
1967 | |
1644 | =item $uint = $kernel->reference_count |
1968 | =item $uint = $kernel->reference_count |
1645 | |
1969 | |
1646 | Calls C<clGetKernelInfo> with C<CL_KERNEL_REFERENCE_COUNT> and returns the result. |
1970 | Calls C<clGetKernelInfo> with C<OpenCL::KERNEL_REFERENCE_COUNT> and returns the result. |
1647 | |
1971 | |
1648 | =item $ctx = $kernel->context |
1972 | =item $ctx = $kernel->context |
1649 | |
1973 | |
1650 | Calls C<clGetKernelInfo> with C<CL_KERNEL_CONTEXT> and returns the result. |
1974 | Calls C<clGetKernelInfo> with C<OpenCL::KERNEL_CONTEXT> and returns the result. |
1651 | |
1975 | |
1652 | =item $program = $kernel->program |
1976 | =item $program = $kernel->program |
1653 | |
1977 | |
1654 | Calls C<clGetKernelInfo> with C<CL_KERNEL_PROGRAM> and returns the result. |
1978 | Calls C<clGetKernelInfo> with C<OpenCL::KERNEL_PROGRAM> and returns the result. |
1655 | |
1979 | |
1656 | =for gengetinfo end kernel |
1980 | =for gengetinfo end kernel |
1657 | |
1981 | |
1658 | =item $packed_value = $kernel->work_group_info ($device, $name) |
1982 | =item $packed_value = $kernel->work_group_info ($device, $name) |
1659 | |
1983 | |
1660 | See C<< $platform->info >> for details. |
1984 | See C<< $platform->info >> for details. |
1661 | |
1985 | |
1662 | The reason this method is not called C<info> is that there already is an |
|
|
1663 | C<< ->info >> method. |
|
|
1664 | |
|
|
1665 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetKernelWorkGroupInfo.html> |
1986 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clGetKernelWorkGroupInfo.html> |
1666 | |
1987 | |
1667 | =for gengetinfo begin kernel_work_group |
1988 | =for gengetinfo begin kernel_work_group |
1668 | |
1989 | |
1669 | =item $int = $kernel->work_group_size ($device) |
1990 | =item $int = $kernel->work_group_size ($device) |
1670 | |
1991 | |
1671 | Calls C<clGetKernelWorkGroupInfo> with C<CL_KERNEL_WORK_GROUP_SIZE> and returns the result. |
1992 | Calls C<clGetKernelWorkGroupInfo> with C<OpenCL::KERNEL_WORK_GROUP_SIZE> and returns the result. |
1672 | |
1993 | |
1673 | =item @ints = $kernel->compile_work_group_size ($device) |
1994 | =item @ints = $kernel->compile_work_group_size ($device) |
1674 | |
1995 | |
1675 | Calls C<clGetKernelWorkGroupInfo> with C<CL_KERNEL_COMPILE_WORK_GROUP_SIZE> and returns the result. |
1996 | Calls C<clGetKernelWorkGroupInfo> with C<OpenCL::KERNEL_COMPILE_WORK_GROUP_SIZE> and returns the result. |
1676 | |
1997 | |
1677 | =item $ulong = $kernel->local_mem_size ($device) |
1998 | =item $ulong = $kernel->local_mem_size ($device) |
1678 | |
1999 | |
1679 | Calls C<clGetKernelWorkGroupInfo> with C<CL_KERNEL_LOCAL_MEM_SIZE> and returns the result. |
2000 | Calls C<clGetKernelWorkGroupInfo> with C<OpenCL::KERNEL_LOCAL_MEM_SIZE> and returns the result. |
1680 | |
2001 | |
1681 | =item $int = $kernel->preferred_work_group_size_multiple ($device) |
2002 | =item $int = $kernel->preferred_work_group_size_multiple ($device) |
1682 | |
2003 | |
1683 | Calls C<clGetKernelWorkGroupInfo> with C<CL_KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE> and returns the result. |
2004 | Calls C<clGetKernelWorkGroupInfo> with C<OpenCL::KERNEL_PREFERRED_WORK_GROUP_SIZE_MULTIPLE> and returns the result. |
1684 | |
2005 | |
1685 | =item $ulong = $kernel->private_mem_size ($device) |
2006 | =item $ulong = $kernel->private_mem_size ($device) |
1686 | |
2007 | |
1687 | Calls C<clGetKernelWorkGroupInfo> with C<CL_KERNEL_PRIVATE_MEM_SIZE> and returns the result. |
2008 | Calls C<clGetKernelWorkGroupInfo> with C<OpenCL::KERNEL_PRIVATE_MEM_SIZE> and returns the result. |
1688 | |
2009 | |
1689 | =for gengetinfo end kernel_work_group |
2010 | =for gengetinfo end kernel_work_group |
|
|
2011 | |
|
|
2012 | =item $packed_value = $kernel->arg_info ($idx, $name) |
|
|
2013 | |
|
|
2014 | See C<< $platform->info >> for details. |
|
|
2015 | |
|
|
2016 | L<http://www.khronos.org/registry/cl/sdk/1.2/docs/man/xhtml/clGetKernelArgInfo.html> |
|
|
2017 | |
|
|
2018 | =for gengetinfo begin kernel_arg |
|
|
2019 | |
|
|
2020 | =item $kernel_arg_address_qualifier = $kernel->arg_address_qualifier ($idx) |
|
|
2021 | |
|
|
2022 | Calls C<clGetKernelArgInfo> with C<OpenCL::KERNEL_ARG_ADDRESS_QUALIFIER> and returns the result. |
|
|
2023 | |
|
|
2024 | =item $kernel_arg_access_qualifier = $kernel->arg_access_qualifier ($idx) |
|
|
2025 | |
|
|
2026 | Calls C<clGetKernelArgInfo> with C<OpenCL::KERNEL_ARG_ACCESS_QUALIFIER> and returns the result. |
|
|
2027 | |
|
|
2028 | =item $string = $kernel->arg_type_name ($idx) |
|
|
2029 | |
|
|
2030 | Calls C<clGetKernelArgInfo> with C<OpenCL::KERNEL_ARG_TYPE_NAME> and returns the result. |
|
|
2031 | |
|
|
2032 | =item $kernel_arg_type_qualifier = $kernel->arg_type_qualifier ($idx) |
|
|
2033 | |
|
|
2034 | Calls C<clGetKernelArgInfo> with C<OpenCL::KERNEL_ARG_TYPE_QUALIFIER> and returns the result. |
|
|
2035 | |
|
|
2036 | =item $string = $kernel->arg_name ($idx) |
|
|
2037 | |
|
|
2038 | Calls C<clGetKernelArgInfo> with C<OpenCL::KERNEL_ARG_NAME> and returns the result. |
|
|
2039 | |
|
|
2040 | =for gengetinfo end kernel_arg |
1690 | |
2041 | |
1691 | =item $kernel->setf ($format, ...) |
2042 | =item $kernel->setf ($format, ...) |
1692 | |
2043 | |
1693 | Sets the arguments of a kernel. Since OpenCL 1.1 doesn't have a generic |
2044 | Sets the arguments of a kernel. Since OpenCL 1.1 doesn't have a generic |
1694 | way to set arguments (and with OpenCL 1.2 it might be rather slow), you |
2045 | way to set arguments (and with OpenCL 1.2 it might be rather slow), you |
… | |
… | |
1806 | |
2157 | |
1807 | =for gengetinfo begin event |
2158 | =for gengetinfo begin event |
1808 | |
2159 | |
1809 | =item $queue = $event->command_queue |
2160 | =item $queue = $event->command_queue |
1810 | |
2161 | |
1811 | Calls C<clGetEventInfo> with C<CL_EVENT_COMMAND_QUEUE> and returns the result. |
2162 | Calls C<clGetEventInfo> with C<OpenCL::EVENT_COMMAND_QUEUE> and returns the result. |
1812 | |
2163 | |
1813 | =item $command_type = $event->command_type |
2164 | =item $command_type = $event->command_type |
1814 | |
2165 | |
1815 | Calls C<clGetEventInfo> with C<CL_EVENT_COMMAND_TYPE> and returns the result. |
2166 | Calls C<clGetEventInfo> with C<OpenCL::EVENT_COMMAND_TYPE> and returns the result. |
1816 | |
2167 | |
1817 | =item $uint = $event->reference_count |
2168 | =item $uint = $event->reference_count |
1818 | |
2169 | |
1819 | Calls C<clGetEventInfo> with C<CL_EVENT_REFERENCE_COUNT> and returns the result. |
2170 | Calls C<clGetEventInfo> with C<OpenCL::EVENT_REFERENCE_COUNT> and returns the result. |
1820 | |
2171 | |
1821 | =item $uint = $event->command_execution_status |
2172 | =item $uint = $event->command_execution_status |
1822 | |
2173 | |
1823 | Calls C<clGetEventInfo> with C<CL_EVENT_COMMAND_EXECUTION_STATUS> and returns the result. |
2174 | Calls C<clGetEventInfo> with C<OpenCL::EVENT_COMMAND_EXECUTION_STATUS> and returns the result. |
1824 | |
2175 | |
1825 | =item $ctx = $event->context |
2176 | =item $ctx = $event->context |
1826 | |
2177 | |
1827 | Calls C<clGetEventInfo> with C<CL_EVENT_CONTEXT> and returns the result. |
2178 | Calls C<clGetEventInfo> with C<OpenCL::EVENT_CONTEXT> and returns the result. |
1828 | |
2179 | |
1829 | =for gengetinfo end event |
2180 | =for gengetinfo end event |
1830 | |
2181 | |
1831 | =item $packed_value = $ev->profiling_info ($name) |
2182 | =item $packed_value = $ev->profiling_info ($name) |
1832 | |
2183 | |
… | |
… | |
1839 | |
2190 | |
1840 | =for gengetinfo begin profiling |
2191 | =for gengetinfo begin profiling |
1841 | |
2192 | |
1842 | =item $ulong = $event->profiling_command_queued |
2193 | =item $ulong = $event->profiling_command_queued |
1843 | |
2194 | |
1844 | Calls C<clGetEventProfilingInfo> with C<CL_PROFILING_COMMAND_QUEUED> and returns the result. |
2195 | Calls C<clGetEventProfilingInfo> with C<OpenCL::PROFILING_COMMAND_QUEUED> and returns the result. |
1845 | |
2196 | |
1846 | =item $ulong = $event->profiling_command_submit |
2197 | =item $ulong = $event->profiling_command_submit |
1847 | |
2198 | |
1848 | Calls C<clGetEventProfilingInfo> with C<CL_PROFILING_COMMAND_SUBMIT> and returns the result. |
2199 | Calls C<clGetEventProfilingInfo> with C<OpenCL::PROFILING_COMMAND_SUBMIT> and returns the result. |
1849 | |
2200 | |
1850 | =item $ulong = $event->profiling_command_start |
2201 | =item $ulong = $event->profiling_command_start |
1851 | |
2202 | |
1852 | Calls C<clGetEventProfilingInfo> with C<CL_PROFILING_COMMAND_START> and returns the result. |
2203 | Calls C<clGetEventProfilingInfo> with C<OpenCL::PROFILING_COMMAND_START> and returns the result. |
1853 | |
2204 | |
1854 | =item $ulong = $event->profiling_command_end |
2205 | =item $ulong = $event->profiling_command_end |
1855 | |
2206 | |
1856 | Calls C<clGetEventProfilingInfo> with C<CL_PROFILING_COMMAND_END> and returns the result. |
2207 | Calls C<clGetEventProfilingInfo> with C<OpenCL::PROFILING_COMMAND_END> and returns the result. |
1857 | |
2208 | |
1858 | =for gengetinfo end profiling |
2209 | =for gengetinfo end profiling |
1859 | |
2210 | |
1860 | =back |
2211 | =back |
1861 | |
2212 | |
… | |
… | |
1868 | =item $ev->set_status ($execution_status) |
2219 | =item $ev->set_status ($execution_status) |
1869 | |
2220 | |
1870 | Sets the execution status of the user event. Can only be called once, |
2221 | Sets the execution status of the user event. Can only be called once, |
1871 | either with OpenCL::COMPLETE or a negative number as status. |
2222 | either with OpenCL::COMPLETE or a negative number as status. |
1872 | |
2223 | |
|
|
2224 | execution_status: OpenCL::COMPLETE or a negative integer. |
|
|
2225 | |
1873 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clSetUserEventStatus.html> |
2226 | L<http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/clSetUserEventStatus.html> |
1874 | |
2227 | |
1875 | =back |
2228 | =back |
|
|
2229 | |
|
|
2230 | =head2 THE OpenCL::Mapped CLASS |
|
|
2231 | |
|
|
2232 | This class represents objects mapped into host memory. They are |
|
|
2233 | represented by a blessed string scalar. The string data is the mapped |
|
|
2234 | memory area, that is, if you read or write it, then the mapped object is |
|
|
2235 | accessed directly. |
|
|
2236 | |
|
|
2237 | You must only ever use operations that modify the string in-place - for |
|
|
2238 | example, a C<substr> that doesn't change the length, or maybe a regex that |
|
|
2239 | doesn't change the length. Any other operation might cause the data to be |
|
|
2240 | copied. |
|
|
2241 | |
|
|
2242 | When the object is destroyed it will enqueue an implicit unmap operation |
|
|
2243 | on the queue that was used to create it. |
|
|
2244 | |
|
|
2245 | Keep in mind that you I<need> to unmap (or destroy) mapped objects before |
|
|
2246 | OpenCL sees the changes, even if some implementations don't need this |
|
|
2247 | sometimes. |
|
|
2248 | |
|
|
2249 | Example, replace the first two floats in the mapped buffer by 1 and 2. |
|
|
2250 | |
|
|
2251 | my $mapped = $queue->map_buffer ($buf, ... |
|
|
2252 | $mapped->event->wait; # make sure it's there |
|
|
2253 | |
|
|
2254 | # now replace first 8 bytes by new data, which is exactly 8 bytes long |
|
|
2255 | # we blindly assume device endianness to equal host endianness |
|
|
2256 | # (and of course, we assume iee 754 single precision floats :) |
|
|
2257 | substr $$mapped, 0, 8, pack "f*", 1, 2; |
|
|
2258 | |
|
|
2259 | =over 4 |
|
|
2260 | |
|
|
2261 | =item $ev = $mapped->unmap ($wait_events...) |
|
|
2262 | |
|
|
2263 | Unmaps the mapped memory object, using the queue originally used to create |
|
|
2264 | it, quite similarly to C<< $queue->unmap ($mapped, ...) >>. |
|
|
2265 | |
|
|
2266 | =item $bool = $mapped->mapped |
|
|
2267 | |
|
|
2268 | Returns whether the object is still mapped - true before an C<unmap> is |
|
|
2269 | enqueued, false afterwards. |
|
|
2270 | |
|
|
2271 | =item $ev = $mapped->event |
|
|
2272 | |
|
|
2273 | Return the event object associated with the mapped object. Initially, this |
|
|
2274 | will be the event object created when mapping the object, and after an |
|
|
2275 | unmap, this will be the event object that the unmap operation created. |
|
|
2276 | |
|
|
2277 | =item $mapped->wait |
|
|
2278 | |
|
|
2279 | Same as C<< $mapped->event->wait >> - makes sure no operations on this |
|
|
2280 | mapped object are outstanding. |
|
|
2281 | |
|
|
2282 | =item $bytes = $mapped->size |
|
|
2283 | |
|
|
2284 | Returns the size of the mapped area, in bytes. Same as C<length $$mapped>. |
|
|
2285 | |
|
|
2286 | =item $ptr = $mapped->ptr |
|
|
2287 | |
|
|
2288 | Returns the raw memory address of the mapped area. |
|
|
2289 | |
|
|
2290 | =item $mapped->set ($offset, $data) |
|
|
2291 | |
|
|
2292 | Replaces the data at the given C<$offset> in the memory area by the new |
|
|
2293 | C<$data>. This method is safer than direct manipulation of C<$mapped> |
|
|
2294 | because it does bounds-checking, but also slower. |
|
|
2295 | |
|
|
2296 | =item $data = $mapped->get ($offset, $length) |
|
|
2297 | |
|
|
2298 | Returns (without copying) a scalar representing the data at the given |
|
|
2299 | C<$offset> and C<$length> in the mapped memory area. This is the same as |
|
|
2300 | the following substr, except much slower; |
|
|
2301 | |
|
|
2302 | $data = substr $$mapped, $offset, $length |
|
|
2303 | |
|
|
2304 | =cut |
|
|
2305 | |
|
|
2306 | sub OpenCL::Mapped::get { |
|
|
2307 | substr ${$_[0]}, $_[1], $_[2] |
|
|
2308 | } |
|
|
2309 | |
|
|
2310 | =back |
|
|
2311 | |
|
|
2312 | =head2 THE OpenCL::MappedBuffer CLASS |
|
|
2313 | |
|
|
2314 | This is a subclass of OpenCL::Mapped, representing mapped buffers. |
|
|
2315 | |
|
|
2316 | =head2 THE OpenCL::MappedImage CLASS |
|
|
2317 | |
|
|
2318 | This is a subclass of OpenCL::Mapped, representing mapped images. |
|
|
2319 | |
|
|
2320 | =over 4 |
|
|
2321 | |
|
|
2322 | =item $bytes = $mapped->row_pitch |
|
|
2323 | |
|
|
2324 | =item $bytes = $mapped->slice_pitch |
|
|
2325 | |
|
|
2326 | Return the row or slice pitch of the image that has been mapped. |
|
|
2327 | |
|
|
2328 | =back |
|
|
2329 | |
1876 | |
2330 | |
1877 | =cut |
2331 | =cut |
1878 | |
2332 | |
1879 | 1; |
2333 | 1; |
1880 | |
2334 | |