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Diffstat (limited to 'src/blitter/40bpp_anim.hpp')
-rw-r--r-- | src/blitter/40bpp_anim.hpp | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/blitter/40bpp_anim.hpp b/src/blitter/40bpp_anim.hpp new file mode 100644 index 000000000..8d7e6ce32 --- /dev/null +++ b/src/blitter/40bpp_anim.hpp @@ -0,0 +1,63 @@ +/* $Id$ */ + +/* + * This file is part of OpenTTD. + * 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. + * 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. + * 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/>. + */ + +/** @file 40bpp_optimized.hpp Optimized 40 bpp blitter. */ + +#ifndef BLITTER_40BPP_OPTIMIZED_HPP +#define BLITTER_40BPP_OPTIMIZED_HPP + + +#include "32bpp_optimized.hpp" +#include "../video/video_driver.hpp" + +/** The optimized 40 bpp blitter (for OpenGL video driver). */ +class Blitter_40bppAnim : public Blitter_32bppOptimized { +public: + + // void *MoveTo(void *video, int x, int y) override; + void SetPixel(void *video, int x, int y, uint8 colour) override; + void DrawRect(void *video, int width, int height, uint8 colour) override; + void CopyFromBuffer(void *video, const void *src, int width, int height) override; + void CopyToBuffer(const void *video, void *dst, int width, int height) override; + void CopyImageToBuffer(const void *video, void *dst, int width, int height, int dst_pitch) override; + void ScrollBuffer(void *video, int &left, int &top, int &width, int &height, int scroll_x, int scroll_y) override; + void Draw(Blitter::BlitterParams *bp, BlitterMode mode, ZoomLevel zoom) override; + void DrawColourMappingRect(void *dst, int width, int height, PaletteID pal) override; + Sprite *Encode(const SpriteLoader::Sprite *sprite, AllocatorProc *allocator) override; + int BufferSize(int width, int height) override; + Blitter::PaletteAnimation UsePaletteAnimation() override; + bool NeedsAnimationBuffer() override; + + const char *GetName() override { return "40bpp-anim"; } + int GetBytesPerPixel() override { return 5; } + + template <BlitterMode mode> void Draw(const Blitter::BlitterParams *bp, ZoomLevel zoom); + +protected: + static inline Colour RealizeBlendedColour(uint8 anim, Colour c) + { + return anim != 0 ? AdjustBrightness(LookupColourInPalette(anim), GetColourBrightness(c)) : c; + } + +}; + +/** Factory for the 40 bpp animated blitter (for OpenGL). */ +class FBlitter_40bppAnim : public BlitterFactory { +protected: + bool IsUsable() const override + { + return VideoDriver::GetInstance() == nullptr || VideoDriver::GetInstance()->HasAnimBuffer(); + } + +public: + FBlitter_40bppAnim() : BlitterFactory("40bpp-anim", "40bpp Animation Blitter (OpenGL)") {} + Blitter *CreateInstance() override { return new Blitter_40bppAnim(); } +}; + +#endif /* BLITTER_40BPP_OPTIMIZED_HPP */ |