| // |
| // Copyright 2012 Francisco Jerez |
| // |
| // Permission is hereby granted, free of charge, to any person obtaining a |
| // copy of this software and associated documentation files (the "Software"), |
| // to deal in the Software without restriction, including without limitation |
| // the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| // and/or sell copies of the Software, and to permit persons to whom the |
| // Software is furnished to do so, subject to the following conditions: |
| // |
| // The above copyright notice and this permission notice shall be included in |
| // all copies or substantial portions of the Software. |
| // |
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| // THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF |
| // OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| // SOFTWARE. |
| // |
| |
| #include <algorithm> |
| |
| #include "core/queue.hpp" |
| #include "core/event.hpp" |
| #include "pipe/p_screen.h" |
| #include "pipe/p_context.h" |
| |
| using namespace clover; |
| |
| _cl_command_queue::_cl_command_queue(context &ctx, device &dev, |
| cl_command_queue_properties props) : |
| ctx(ctx), dev(dev), __props(props) { |
| pipe = dev.pipe->context_create(dev.pipe, NULL); |
| if (!pipe) |
| throw error(CL_INVALID_DEVICE); |
| } |
| |
| _cl_command_queue::~_cl_command_queue() { |
| pipe->destroy(pipe); |
| } |
| |
| void |
| _cl_command_queue::flush() { |
| pipe_screen *screen = dev.pipe; |
| pipe_fence_handle *fence = NULL; |
| |
| if (!queued_events.empty()) { |
| // Find out which events have already been signalled. |
| auto first = queued_events.begin(); |
| auto last = std::find_if(queued_events.begin(), queued_events.end(), |
| [](event_ptr &ev) { return !ev->signalled(); }); |
| |
| // Flush and fence them. |
| pipe->flush(pipe, &fence); |
| std::for_each(first, last, [&](event_ptr &ev) { ev->fence(fence); }); |
| screen->fence_reference(screen, &fence, NULL); |
| queued_events.erase(first, last); |
| } |
| } |
| |
| void |
| _cl_command_queue::sequence(clover::hard_event *ev) { |
| if (!queued_events.empty()) |
| queued_events.back()->chain(ev); |
| |
| queued_events.push_back(ev); |
| } |