src/blitter/32bpp_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 32bpp_optimized.hpp Optimized 32 bpp blitter. */
   9
  10 #ifndef BLITTER_32BPP_OPTIMIZED_HPP
  11 #define BLITTER_32BPP_OPTIMIZED_HPP
  12
  13 #include "32bpp_simple.hpp"
  14
  15 /** The optimised 32 bpp blitter (without palette animation). */
  16 class Blitter_32bppOptimized : public Blitter_32bppSimple {
  17 public:
  18         /** Data stored about a (single) sprite. */
  19         struct SpriteData {
  20                 uint32_t offset[ZOOM_LVL_END][2]; ///< Offsets (from .data) to streams for different zoom levels, and the normal and remap image information.
  21                 uint8_t data[];                      ///< Data, all zoomlevels.
  22         };
  23
  24         void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override;
  25         Sprite *Encode(const SpriteLoader::SpriteCollection &sprite, SpriteAllocator &allocator) override;
  26
  27         std::string_view GetName() override { return "32bpp-optimized"; }
  28
  29         template <BlitterMode mode, bool Tpal_to_rgb = false> void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom);
  30
  31 protected:
  32         template <bool Tpal_to_rgb> void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom);
  33         template <bool Tpal_to_rgb> Sprite *EncodeInternal(const SpriteLoader::SpriteCollection &sprite, SpriteAllocator &allocator);
  34 };
  35
  36 /** Factory for the optimised 32 bpp blitter (without palette animation). */
  37 class FBlitter_32bppOptimized : public BlitterFactory {
  38 public:
  39         FBlitter_32bppOptimized() : BlitterFactory("32bpp-optimized", "32bpp Optimized Blitter (no palette animation)") {}
  40         Blitter *CreateInstance() override { return new Blitter_32bppOptimized(); }
  41 };
  42
  43 #endif /* BLITTER_32BPP_OPTIMIZED_HPP */