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| 4358 | Serge | 1 | // |
| 2 | // Copyright 2012 Francisco Jerez |
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| 3 | // |
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| 4 | // Permission is hereby granted, free of charge, to any person obtaining a |
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| 5 | // copy of this software and associated documentation files (the "Software"), |
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| 6 | // to deal in the Software without restriction, including without limitation |
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| 7 | // the rights to use, copy, modify, merge, publish, distribute, sublicense, |
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| 8 | // and/or sell copies of the Software, and to permit persons to whom the |
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| 9 | // Software is furnished to do so, subject to the following conditions: |
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| 10 | // |
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| 11 | // The above copyright notice and this permission notice shall be included in |
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| 12 | // all copies or substantial portions of the Software. |
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| 13 | // |
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| 14 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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| 15 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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| 16 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
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| 17 | // THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR |
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| 18 | // OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
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| 19 | // ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
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| 20 | // OTHER DEALINGS IN THE SOFTWARE. |
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| 21 | // |
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| 22 | |||
| 23 | #include |
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| 24 | |||
| 25 | #include "core/queue.hpp" |
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| 26 | #include "core/event.hpp" |
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| 27 | #include "pipe/p_screen.h" |
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| 28 | #include "pipe/p_context.h" |
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| 29 | |||
| 30 | using namespace clover; |
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| 31 | |||
| 32 | _cl_command_queue::_cl_command_queue(context &ctx, device &dev, |
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| 33 | cl_command_queue_properties props) : |
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| 34 | ctx(ctx), dev(dev), __props(props) { |
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| 35 | pipe = dev.pipe->context_create(dev.pipe, NULL); |
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| 36 | if (!pipe) |
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| 37 | throw error(CL_INVALID_DEVICE); |
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| 38 | } |
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| 39 | |||
| 40 | _cl_command_queue::~_cl_command_queue() { |
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| 41 | pipe->destroy(pipe); |
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| 42 | } |
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| 43 | |||
| 44 | void |
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| 45 | _cl_command_queue::flush() { |
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| 46 | pipe_screen *screen = dev.pipe; |
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| 47 | pipe_fence_handle *fence = NULL; |
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| 48 | |||
| 49 | if (!queued_events.empty()) { |
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| 50 | // Find out which events have already been signalled. |
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| 51 | auto first = queued_events.begin(); |
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| 52 | auto last = std::find_if(queued_events.begin(), queued_events.end(), |
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| 53 | [](event_ptr &ev) { return !ev->signalled(); }); |
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| 54 | |||
| 55 | // Flush and fence them. |
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| 56 | pipe->flush(pipe, &fence, 0); |
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| 57 | std::for_each(first, last, [&](event_ptr &ev) { ev->fence(fence); }); |
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| 58 | screen->fence_reference(screen, &fence, NULL); |
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| 59 | queued_events.erase(first, last); |
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| 60 | } |
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| 61 | } |
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| 62 | |||
| 63 | void |
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| 64 | _cl_command_queue::sequence(clover::hard_event *ev) { |
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| 65 | if (!queued_events.empty()) |
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| 66 | queued_events.back()->chain(ev); |
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| 67 | |||
| 68 | queued_events.push_back(ev); |
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| 69 | } |