git.sesse.net Git - casparcg/blob - core/mixer/image/image_kernel.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 "blend_modes.h"\r
  23 \r
  24 #include <common/memory/safe_ptr.h>\r
  25 \r
  26 #include <core/producer/frame/pixel_format.h>\r
  27 #include <core/producer/frame/image_transform.h>\r
  28 \r
  29 #include <boost/noncopyable.hpp>\r
  30 \r
  31 namespace caspar { namespace core {\r
  32         \r
  33 class device_buffer;\r
  34 class ogl_device;\r
  35 \r
  36 struct render_item\r
  37 {\r
  38         pixel_format_desc                                               pix_desc;\r
  39         std::vector<safe_ptr<device_buffer>>    textures;\r
  40         image_transform                                                 transform;\r
  41         video_mode::type                                                mode;\r
  42         const void*                                                             tag;\r
  43         blend_mode::type                                                blend_mode;\r
  44         \r
  45         render_item(const pixel_format_desc& pix_desc, const std::vector<safe_ptr<device_buffer>>& textures, const image_transform& transform, video_mode::type mode, const void* tag, blend_mode::type blend_mode)\r
  46                 : pix_desc(pix_desc)\r
  47                 , textures(textures)\r
  48                 , transform(transform)\r
  49                 , mode(mode)\r
  50                 , tag(tag)\r
  51                 , blend_mode(blend_mode){}\r
  52         render_item(render_item&& other)\r
  53                 : pix_desc(other.pix_desc)\r
  54                 , textures(std::move(other.textures))\r
  55                 , transform(other.transform)\r
  56                 , mode(other.mode)\r
  57                 , tag(other.tag)\r
  58                 , blend_mode(blend_mode){}\r
  59 };\r
  60 \r
  61 bool operator==(const render_item& lhs, const render_item& rhs);\r
  62 \r
  63 class image_kernel : boost::noncopyable\r
  64 {\r
  65 public:\r
  66         image_kernel();\r
  67         void draw(ogl_device& ogl, \r
  68                           render_item&& item, \r
  69                           const safe_ptr<device_buffer>& background, \r
  70                           const std::shared_ptr<device_buffer>& local_key = nullptr, \r
  71                           const std::shared_ptr<device_buffer>& layer_key = nullptr);\r
  72 private:\r
  73         struct implementation;\r
  74         safe_ptr<implementation> impl_;\r
  75 };\r
  76 \r
  77 }}