--- OpenCL/OpenCL.pm 2012/04/19 19:36:24 1.38 +++ OpenCL/OpenCL.pm 2012/04/21 19:17:09 1.46 @@ -162,7 +162,7 @@ my $prog = $ctx->program_with_source ($src); # build croaks on compile errors, so catch it and print the compile errors - eval { $prog->build ($dev); 1 } + eval { $prog->build ($dev, "-cl-fast-relaxed-math"); 1 } or die $prog->build_log; my $kernel = $prog->kernel ("squareit"); @@ -262,7 +262,7 @@ float2 z = m; float2 c = (float2)(sin (time * 0.05005), cos (time * 0.06001)); - for (int i = 0; i < 100 && dot (z, z) < 4.f; ++i) + for (int i = 0; i < 25 && dot (z, z) < 4.f; ++i) z = (float2)(z.x * z.x - z.y * z.y, 2.f * z.x * z.y) + c; float3 colour = (float3)(z.x, z.y, z.x * z.y); @@ -290,7 +290,7 @@ $queue->enqueue_release_gl_objects ([$tex]); # wait - $queue->flush; + $queue->finish; # now draw the texture, the defaults should be all right glTexParameterf GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST; @@ -338,7 +338,9 @@ =item * When enqueuing commands, the wait list is specified by adding extra arguments to the function - anywhere a C<$wait_events...> argument -is documented this can be any number of event objects. +is documented this can be any number of event objects. As an extsnion +implemented by this module, C values will be ignored in the event +list. =item * When enqueuing commands, if the enqueue method is called in void context, no event is created. In all other contexts an event is returned @@ -750,7 +752,7 @@ Calls C with C and returns the result. -=item $uint = $device->reference_count_ext +=item $uint = $device->reference_count_ext Calls C with C and returns the result. @@ -772,6 +774,10 @@ L +Example: create an out-of-order queue. + + $queue = $ctx->queue ($device, OpenCL::QUEUE_OUT_OF_ORDER_EXEC_MODE_ENABLE); + =item $ev = $ctx->user_event Creates a new OpenCL::UserEvent object. @@ -891,11 +897,17 @@ They also allow you to specify any number of other event objects that this request has to wait for before it starts executing, by simply passing the -event objects as extra parameters to the enqueue methods. +event objects as extra parameters to the enqueue methods. To simplify +program design, this module ignores any C values in the list of +events. This makes it possible to code operations such as this, without +having to put a valid event object into C<$event> first: + + $event = $queue->enqueue_xxx (..., $event); Queues execute in-order by default, without any parallelism, so in most cases (i.e. you use only one queue) it's not necessary to wait for or -create event objects. +create event objects, althoguh an our of order queue is often a bit +faster. =over 4 @@ -971,10 +983,6 @@ L -=item $ev = $queue->enqueue_marker ($wait_events...) - -L - =item $ev = $queue->enqueue_acquire_gl_objects ([object, ...], $wait_events...) Enqueues a list (an array-ref of OpenCL::Memory objects) to be acquired @@ -993,9 +1001,13 @@ L -=item $queue->enqueue_barrier +=item $ev = $queue->enqueue_marker ($wait_events...) + +L + +=item $ev = $queue->enqueue_barrier ($wait_events...) -L +L =item $queue->flush @@ -1371,12 +1383,13 @@ TYPE is one of C, C, C, C, C, C, C, C, C, C, C, C, C, -C, C, C or C. +C, C, C, C or C. Chars and integers (including the half type) are specified as integers, float and double as floating point values, memory/buffer/image2d/image3d -must be an object of that type or C, and sampler and event must be -objects of that type. +must be an object of that type or C, local-memory arguments are +set by specifying the size, and sampler and event must be objects of that +type. L @@ -1475,7 +1488,7 @@ use common::sense; BEGIN { - our $VERSION = '0.95'; + our $VERSION = '0.96'; require XSLoader; XSLoader::load (__PACKAGE__, $VERSION);