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/* $Id$ */
/*
* 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 DrawLine(void *video, int x, int y, int x2, int y2, int screen_width, int screen_height, uint8 colour, int width, int dash) 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 */
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