git.sesse.net Git - casparcg/blob - accelerator/ogl/image/image_kernel.h

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\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 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 #pragma once\r
  23 \r
  24 #include <core/mixer/image/blend_modes.h>\r
  25 \r
  26 #include <common/enum_class.h>\r
  27 #include <common/memory.h>\r
  28 \r
  29 #include <core/frame/pixel_format.h>\r
  30 #include <core/frame/frame_transform.h>\r
  31 \r
  32 namespace caspar { namespace accelerator { namespace ogl {\r
  33         \r
  34 struct keyer_def\r
  35 {\r
  36         enum type\r
  37         {\r
  38                 linear = 0,\r
  39                 additive,\r
  40         };\r
  41 };\r
  42 typedef enum_class<keyer_def> keyer;\r
  43 \r
  44 struct draw_params sealed\r
  45 {\r
  46         core::pixel_format_desc                                         pix_desc;\r
  47         std::vector<spl::shared_ptr<class texture>>     textures;\r
  48         core::image_transform                                           transform;\r
  49         core::blend_mode                                                        blend_mode;\r
  50         keyer                                                                           keyer;\r
  51         std::shared_ptr<class texture>                          background;\r
  52         std::shared_ptr<class texture>                          local_key;\r
  53         std::shared_ptr<class texture>                          layer_key;\r
  54 \r
  55         draw_params() \r
  56                 : pix_desc(core::pixel_format::invalid)\r
  57                 , blend_mode(core::blend_mode::normal)\r
  58                 , keyer(keyer::linear)\r
  59         {\r
  60         }\r
  61 };\r
  62 \r
  63 class image_kernel sealed\r
  64 {\r
  65         image_kernel(const image_kernel&);\r
  66         image_kernel& operator=(const image_kernel&);\r
  67 public:\r
  68 \r
  69         // Static Members\r
  70 \r
  71         // Constructors\r
  72 \r
  73         image_kernel(const spl::shared_ptr<class device>& ogl);\r
  74         ~image_kernel();\r
  75 \r
  76         // Methods\r
  77 \r
  78         void draw(const draw_params& params);\r
  79         \r
  80         // Properties\r
  81 \r
  82         bool has_blend_modes() const;\r
  83 private:\r
  84         struct impl;\r
  85         spl::unique_ptr<impl> impl_;\r
  86 };\r
  87 \r
  88 }}}