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

   1 /*
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>
   3 *
   4 * This file is part of CasparCG (www.casparcg.com).
   5 *
   6 * CasparCG is free software: you can redistribute it and/or modify
   7 * it under the terms of the GNU General Public License as published by
   8 * the Free Software Foundation, either version 3 of the License, or
   9 * (at your option) any later version.
  10 *
  11 * CasparCG is distributed in the hope that it will be useful,
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 * GNU General Public License for more details.
  15 *
  16 * You should have received a copy of the GNU General Public License
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.
  18 *
  19 * Author: Robert Nagy, ronag89@gmail.com
  20 */
  21
  22 #pragma once
  23
  24 #include <core/mixer/image/blend_modes.h>
  25
  26 #include <common/enum_class.h>
  27 #include <common/memory.h>
  28
  29 #include <core/frame/pixel_format.h>
  30 #include <core/frame/frame_transform.h>
  31
  32 namespace caspar { namespace accelerator { namespace ogl {
  33
  34 struct keyer_def
  35 {
  36         enum type
  37         {
  38                 linear = 0,
  39                 additive,
  40         };
  41 };
  42 typedef enum_class<keyer_def> keyer;
  43
  44 struct draw_params sealed
  45 {
  46         core::pixel_format_desc                                         pix_desc;
  47         std::vector<spl::shared_ptr<class texture>>     textures;
  48         core::image_transform                                           transform;
  49         core::blend_mode                                                        blend_mode;
  50         keyer                                                                           keyer;
  51         std::shared_ptr<class texture>                          background;
  52         std::shared_ptr<class texture>                          local_key;
  53         std::shared_ptr<class texture>                          layer_key;
  54
  55         draw_params()
  56                 : pix_desc(core::pixel_format::invalid)
  57                 , blend_mode(core::blend_mode::normal)
  58                 , keyer(keyer::linear)
  59         {
  60         }
  61 };
  62
  63 class image_kernel sealed
  64 {
  65         image_kernel(const image_kernel&);
  66         image_kernel& operator=(const image_kernel&);
  67 public:
  68
  69         // Static Members
  70
  71         // Constructors
  72
  73         image_kernel(const spl::shared_ptr<class device>& ogl);
  74         ~image_kernel();
  75
  76         // Methods
  77
  78         void draw(const draw_params& params);
  79
  80         // Properties
  81
  82         bool has_blend_modes() const;
  83 private:
  84         struct impl;
  85         spl::unique_ptr<impl> impl_;
  86 };
  87
  88 }}}