mirror of https://github.com/OpenTTD/OpenTTD.git
61 lines
2.8 KiB
C++
61 lines
2.8 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 40bpp_optimized.hpp Optimized 40 bpp blitter. */
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#ifndef BLITTER_40BPP_OPTIMIZED_HPP
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#define BLITTER_40BPP_OPTIMIZED_HPP
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#include "32bpp_optimized.hpp"
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#include "../video/video_driver.hpp"
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/** The optimized 40 bpp blitter (for OpenGL video driver). */
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class Blitter_40bppAnim : public Blitter_32bppOptimized {
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public:
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void SetPixel(void *video, int x, int y, uint8_t colour) override;
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void DrawRect(void *video, int width, int height, uint8_t colour) override;
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void DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8_t colour, int width, int dash) override;
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void CopyFromBuffer(void *video, const void *src, int width, int height) override;
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void CopyToBuffer(const void *video, void *dst, int width, int height) override;
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void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) override;
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void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) override;
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void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override;
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void DrawColourMappingRect(void *dst, int width, int height, PaletteID pal) override;
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Sprite *Encode(const SpriteLoader::SpriteCollection &sprite, AllocatorProc *allocator) override;
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size_t BufferSize(uint width, uint height) override;
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Blitter::PaletteAnimation UsePaletteAnimation() override;
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bool NeedsAnimationBuffer() override;
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std::string_view GetName() override { return "40bpp-anim"; }
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template <BlitterMode mode> void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom);
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protected:
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static inline Colour RealizeBlendedColour(uint8_t anim, Colour c)
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{
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return anim != 0 ? AdjustBrightness(LookupColourInPalette(anim), GetColourBrightness(c)) : c;
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}
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};
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/** Factory for the 40 bpp animated blitter (for OpenGL). */
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class FBlitter_40bppAnim : public BlitterFactory {
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protected:
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bool IsUsable() const override
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{
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return VideoDriver::GetInstance() == nullptr || VideoDriver::GetInstance()->HasAnimBuffer();
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}
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public:
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FBlitter_40bppAnim() : BlitterFactory("40bpp-anim", "40bpp Animation Blitter (OpenGL)") {}
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Blitter *CreateInstance() override { return new Blitter_40bppAnim(); }
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};
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#endif /* BLITTER_40BPP_OPTIMIZED_HPP */
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