mirror of https://github.com/OpenTTD/OpenTTD.git
39 lines
1.7 KiB
C++
39 lines
1.7 KiB
C++
/*
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* This file is part of OpenTTD.
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* 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.
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* 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.
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* 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/>.
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*/
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/** @file 8bpp_optimized.hpp An optimized 8 bpp blitter. */
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#ifndef BLITTER_8BPP_OPTIMIZED_HPP
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#define BLITTER_8BPP_OPTIMIZED_HPP
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#include "8bpp_base.hpp"
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#include "factory.hpp"
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/** 8bpp blitter optimised for speed. */
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class Blitter_8bppOptimized final : public Blitter_8bppBase {
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public:
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/** Data stored about a (single) sprite. */
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struct SpriteData {
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uint32_t offset[ZOOM_LVL_END]; ///< Offsets (from .data) to streams for different zoom levels.
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uint8_t data[]; ///< Data, all zoomlevels.
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};
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void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override;
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Sprite *Encode(const SpriteLoader::SpriteCollection &sprite, AllocatorProc *allocator) override;
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const char *GetName() override { return "8bpp-optimized"; }
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};
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/** Factory for the 8bpp blitter optimised for speed. */
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class FBlitter_8bppOptimized : public BlitterFactory {
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public:
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FBlitter_8bppOptimized() : BlitterFactory("8bpp-optimized", "8bpp Optimized Blitter (compression + all-ZoomLevel cache)") {}
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Blitter *CreateInstance() override { return new Blitter_8bppOptimized(); }
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};
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#endif /* BLITTER_8BPP_OPTIMIZED_HPP */
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