src/blitter/8bpp_optimized.hpp

   1 /*
   2  * This file is part of OpenTTD.
   3  * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
   4  * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   5  * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
   6  */
   7
   8 /** @file 8bpp_optimized.hpp An optimized 8 bpp blitter. */
   9
  10 #ifndef BLITTER_8BPP_OPTIMIZED_HPP
  11 #define BLITTER_8BPP_OPTIMIZED_HPP
  12
  13 #include "8bpp_base.hpp"
  14 #include "factory.hpp"
  15
  16 /** 8bpp blitter optimised for speed. */
  17 class Blitter_8bppOptimized FINAL : public Blitter_8bppBase {
  18 public:
  19         /** Data stored about a (single) sprite. */
  20         struct SpriteData {
  21                 uint32 offset[ZOOM_LVL_COUNT]; ///< Offsets (from .data) to streams for different zoom levels.
  22                 byte data[];                   ///< Data, all zoomlevels.
  23         };
  24
  25         void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override;
  26         Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) override;
  27
  28         const char *GetName() override { return "8bpp-optimized"; }
  29 };
  30
  31 /** Factory for the 8bpp blitter optimised for speed. */
  32 class FBlitter_8bppOptimized : public BlitterFactory {
  33 public:
  34         FBlitter_8bppOptimized() : BlitterFactory("8bpp-optimized", "8bpp Optimized Blitter (compression + all-ZoomLevel cache)") {}
  35         Blitter *CreateInstance() override { return new Blitter_8bppOptimized(); }
  36 };
  37
  38 #endif /* BLITTER_8BPP_OPTIMIZED_HPP */