git.sesse.net Git - casparcg/blob - core/mixer/gpu/ogl_device.h

   1 /*\r
   2 * copyright (c) 2010 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 *  This file is part of CasparCG.\r
   5 *\r
   6 *    CasparCG is free software: you can redistribute it and/or modify\r
   7 *    it under the terms of the GNU General Public License as published by\r
   8 *    the Free Software Foundation, either version 3 of the License, or\r
   9 *    (at your option) any later version.\r
  10 *\r
  11 *    CasparCG is distributed in the hope that it will be useful,\r
  12 *    but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 *    GNU General Public License for more details.\r
  15 \r
  16 *    You should have received a copy of the GNU General Public License\r
  17 *    along with CasparCG.  If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 */\r
  20 #pragma once\r
  21 \r
  22 #include "host_buffer.h"\r
  23 #include "device_buffer.h"\r
  24 \r
  25 #include <common/concurrency/executor.h>\r
  26 #include <common/memory/safe_ptr.h>\r
  27 \r
  28 #include <tbb/concurrent_unordered_map.h>\r
  29 #include <tbb/concurrent_queue.h>\r
  30 \r
  31 #include <boost/thread/future.hpp>\r
  32 \r
  33 #include <array>\r
  34 \r
  35 #include "../../dependencies\SFML-1.6\include\SFML/Window/Context.hpp"\r
  36 \r
  37 namespace caspar { namespace core {\r
  38 \r
  39 class ogl_device\r
  40 {       \r
  41         std::unique_ptr<sf::Context> context_;\r
  42         \r
  43         std::array<tbb::concurrent_unordered_map<size_t, tbb::concurrent_bounded_queue<std::shared_ptr<device_buffer>>>, 4> device_pools_;\r
  44         std::array<tbb::concurrent_unordered_map<size_t, tbb::concurrent_bounded_queue<std::shared_ptr<host_buffer>>>, 2> host_pools_;\r
  45         \r
  46         unsigned int fbo_;\r
  47 \r
  48         executor executor_;\r
  49 \r
  50         ogl_device();\r
  51         ~ogl_device();\r
  52 \r
  53         static ogl_device& get_instance()\r
  54         {\r
  55                 static ogl_device device;\r
  56                 return device;\r
  57         }\r
  58         \r
  59         template<typename Func>\r
  60         auto do_begin_invoke(Func&& func) -> boost::unique_future<decltype(func())> // noexcept\r
  61         {                       \r
  62                 return executor_.begin_invoke(std::forward<Func>(func));\r
  63         }\r
  64         \r
  65         template<typename Func>\r
  66         auto do_invoke(Func&& func) -> decltype(func())\r
  67         {\r
  68                 return executor_.invoke(std::forward<Func>(func));\r
  69         }\r
  70                 \r
  71         safe_ptr<device_buffer> do_create_device_buffer(size_t width, size_t height, size_t stride);\r
  72         safe_ptr<host_buffer> do_create_host_buffer(size_t size, host_buffer::usage_t usage);\r
  73 public:         \r
  74         \r
  75         template<typename Func>\r
  76         static auto begin_invoke(Func&& func) -> boost::unique_future<decltype(func())> // noexcept\r
  77         {                       \r
  78                 return get_instance().do_begin_invoke(std::forward<Func>(func));\r
  79         }\r
  80         \r
  81         template<typename Func>\r
  82         static auto invoke(Func&& func) -> decltype(func())\r
  83         {\r
  84                 return get_instance().do_invoke(std::forward<Func>(func));\r
  85         }\r
  86                 \r
  87         static safe_ptr<device_buffer> create_device_buffer(size_t width, size_t height, size_t stride)\r
  88         {\r
  89                 return get_instance().do_create_device_buffer(width, height, stride);\r
  90         }\r
  91 \r
  92         static safe_ptr<host_buffer> create_host_buffer(size_t size, host_buffer::usage_t usage)\r
  93         {\r
  94                 return get_instance().do_create_host_buffer(size, usage);\r
  95         }\r
  96 \r
  97         static std::wstring get_version();\r
  98 };\r
  99 \r
 100 }}