2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>
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4 * This file is part of CasparCG.
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6 * CasparCG is free software: you can redistribute it and/or modify
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7 * it under the terms of the GNU General Public License as published by
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8 * the Free Software Foundation, either version 3 of the License, or
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9 * (at your option) any later version.
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11 * CasparCG is distributed in the hope that it will be useful,
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12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 * GNU General Public License for more details.
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16 * You should have received a copy of the GNU General Public License
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17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
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22 #include "host_buffer.h"
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23 #include "device_buffer.h"
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25 #include <common/concurrency/executor.h>
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26 #include <common/memory/safe_ptr.h>
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28 #include <tbb/concurrent_unordered_map.h>
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29 #include <tbb/concurrent_queue.h>
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31 #include <boost/thread/future.hpp>
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35 #include <SFML/Window/Context.hpp>
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37 namespace caspar { namespace mixer {
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41 std::unique_ptr<sf::Context> context_;
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43 std::array<tbb::concurrent_unordered_map<size_t, tbb::concurrent_bounded_queue<std::shared_ptr<device_buffer>>>, 4> device_pools_;
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44 std::array<tbb::concurrent_unordered_map<size_t, tbb::concurrent_bounded_queue<std::shared_ptr<host_buffer>>>, 2> host_pools_;
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53 static ogl_device& get_instance()
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55 static ogl_device device;
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59 template<typename Func>
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60 auto do_begin_invoke(Func&& func) -> boost::unique_future<decltype(func())> // noexcept
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62 return executor_.begin_invoke(std::forward<Func>(func));
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65 template<typename Func>
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66 auto do_invoke(Func&& func) -> decltype(func())
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68 return executor_.invoke(std::forward<Func>(func));
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71 safe_ptr<device_buffer> do_create_device_buffer(size_t width, size_t height, size_t stride);
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72 safe_ptr<host_buffer> do_create_host_buffer(size_t size, host_buffer::usage_t usage);
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75 template<typename Func>
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76 static auto begin_invoke(Func&& func) -> boost::unique_future<decltype(func())> // noexcept
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78 return get_instance().do_begin_invoke(std::forward<Func>(func));
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81 template<typename Func>
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82 static auto invoke(Func&& func) -> decltype(func())
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84 return get_instance().do_invoke(std::forward<Func>(func));
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87 static safe_ptr<device_buffer> create_device_buffer(size_t width, size_t height, size_t stride)
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89 return get_instance().do_create_device_buffer(width, height, stride);
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92 static safe_ptr<host_buffer> create_host_buffer(size_t size, host_buffer::usage_t usage)
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94 return get_instance().do_create_host_buffer(size, usage);
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97 static std::wstring get_version();
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