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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20 #include "../../stdafx.h"
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22 #include "ogl_device.h"
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24 #include <common/utility/assert.h>
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27 #include <SFML/Window.hpp>
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29 #include <boost/foreach.hpp>
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31 namespace caspar { namespace mixer {
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33 ogl_device::ogl_device() : executor_(L"ogl_device")
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37 context_.reset(new sf::Context());
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38 context_->SetActive(true);
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42 ogl_device::~ogl_device()
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46 BOOST_FOREACH(auto& pool, device_pools_)
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48 BOOST_FOREACH(auto& pool, host_pools_)
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53 safe_ptr<device_buffer> ogl_device::create_device_buffer(size_t width, size_t height, size_t stride)
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55 CASPAR_VERIFY(stride > 0 && stride < 5);
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56 CASPAR_VERIFY(width > 0 && height > 0);
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57 auto pool = &device_pools_[stride-1][((width << 16) & 0xFFFF0000) | (height & 0x0000FFFF)];
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58 std::shared_ptr<device_buffer> buffer;
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59 if(!pool->try_pop(buffer))
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61 executor_.invoke([&]
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63 buffer = std::make_shared<device_buffer>(width, height, stride);
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67 return safe_ptr<device_buffer>(buffer.get(), [=](device_buffer*){pool->push(buffer);});
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70 safe_ptr<host_buffer> ogl_device::create_host_buffer(size_t size, host_buffer::usage_t usage)
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72 CASPAR_VERIFY(usage == host_buffer::write_only || usage == host_buffer::read_only);
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73 CASPAR_VERIFY(size > 0);
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74 auto pool = &host_pools_[usage][size];
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75 std::shared_ptr<host_buffer> buffer;
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76 if(!pool->try_pop(buffer))
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78 executor_.invoke([&]
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80 buffer = std::make_shared<host_buffer>(size, usage);
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81 if(usage == host_buffer::write_only)
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88 return safe_ptr<host_buffer>(buffer.get(), [=](host_buffer*)
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90 executor_.begin_invoke([=]
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92 if(usage == host_buffer::write_only)
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