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/*
Copyright 2016-2022 melonDS team
This file is part of melonDS.
melonDS 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, either version 3 of the License, or (at your option)
any later version.
melonDS 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 melonDS. If not, see http://www.gnu.org/licenses/.
*/
#pragma once
#include "GPU2D.h"
namespace GPU2D
{
class SoftRenderer : public Renderer2D
{
public:
SoftRenderer();
~SoftRenderer() override {}
void DrawScanline(u32 line, Unit* unit) override;
void DrawSprites(u32 line, Unit* unit) override;
void VBlankEnd(Unit* unitA, Unit* unitB) override;
private:
alignas(8) u32 BGOBJLine[256*3];
u32* _3DLine;
alignas(8) u8 WindowMask[256];
alignas(8) u32 OBJLine[2][256];
alignas(8) u8 OBJWindow[2][256];
u32 NumSprites[2];
u8* CurBGXMosaicTable;
u8 MosaicTable[16][256];
u32 ColorBlend4(u32 val1, u32 val2, u32 eva, u32 evb);
u32 ColorBlend5(u32 val1, u32 val2);
u32 ColorBrightnessUp(u32 val, u32 factor, u32 bias);
u32 ColorBrightnessDown(u32 val, u32 factor, u32 bias);
u32 ColorComposite(int i, u32 val1, u32 val2);
template<u32 bgmode> void DrawScanlineBGMode(u32 line);
void DrawScanlineBGMode6(u32 line);
void DrawScanlineBGMode7(u32 line);
void DrawScanline_BGOBJ(u32 line);
static void DrawPixel_Normal(u32* dst, u16 color, u32 flag);
static void DrawPixel_Accel(u32* dst, u16 color, u32 flag);
typedef void (*DrawPixel)(u32* dst, u16 color, u32 flag);
void DrawBG_3D();
template<bool mosaic, DrawPixel drawPixel> void DrawBG_Text(u32 line, u32 bgnum);
template<bool mosaic, DrawPixel drawPixel> void DrawBG_Affine(u32 line, u32 bgnum);
template<bool mosaic, DrawPixel drawPixel> void DrawBG_Extended(u32 line, u32 bgnum);
template<bool mosaic, DrawPixel drawPixel> void DrawBG_Large(u32 line);
void ApplySpriteMosaicX();
template<DrawPixel drawPixel>
void InterleaveSprites(u32 prio);
template<bool window> void DrawSprite_Rotscale(u32 num, u32 boundwidth, u32 boundheight, u32 width, u32 height, s32 xpos, s32 ypos);
template<bool window> void DrawSprite_Normal(u32 num, u32 width, u32 height, s32 xpos, s32 ypos);
void DoCapture(u32 line, u32 width);
};
}
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