mirror of https://github.com/ZDoom/gzdoom.git
93 lines
2.8 KiB
C++
93 lines
2.8 KiB
C++
/*
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** DrawColumn code generation
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** Copyright (c) 2016 Magnus Norddahl
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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*/
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#pragma once
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#include "drawercodegen.h"
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enum class DrawColumnVariant
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{
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Fill,
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FillAdd,
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FillAddClamp,
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FillSubClamp,
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FillRevSubClamp,
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DrawCopy,
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Draw,
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DrawAdd,
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DrawTranslated,
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DrawTlatedAdd,
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DrawShaded,
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DrawAddClamp,
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DrawAddClampTranslated,
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DrawSubClamp,
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DrawSubClampTranslated,
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DrawRevSubClamp,
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DrawRevSubClampTranslated
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};
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class DrawColumnCodegen : public DrawerCodegen
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{
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public:
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void Generate(DrawColumnVariant variant, SSAValue args, SSAValue thread_data);
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private:
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void LoopShade(DrawColumnVariant variant, bool isSimpleShade);
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void Loop(DrawColumnVariant variant, bool isSimpleShade, bool isNearestFilter);
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SSAVec4i ProcessPixel(SSAInt sample_index, SSAVec4i bgcolor, DrawColumnVariant variant, bool isSimpleShade, bool isNearestFilter);
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SSAVec4i ProcessPixelPal(SSAInt sample_index, SSAVec4i bgcolor, DrawColumnVariant variant, bool isSimpleShade);
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SSAVec4i Sample(SSAInt frac, bool isNearestFilter);
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SSAVec4i SampleLinear(SSAUBytePtr col0, SSAUBytePtr col1, SSAInt texturefracx, SSAInt texturefracy, SSAInt one, SSAInt height);
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SSAInt ColormapSample(SSAInt frac);
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SSAVec4i TranslateSample(SSAInt frac);
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SSAInt TranslateSamplePal(SSAInt frac);
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SSAVec4i Shade(SSAVec4i fgcolor, bool isSimpleShade);
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SSAVec4i ShadePal(SSAInt palIndex, bool isSimpleShade);
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bool IsPaletteInput(DrawColumnVariant variant);
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SSAStack<SSAInt> stack_index, stack_frac;
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SSAUBytePtr dest;
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SSAUBytePtr source;
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SSAUBytePtr source2;
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SSAUBytePtr colormap;
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SSAUBytePtr translation;
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SSAUBytePtr basecolors;
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SSAInt pitch;
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SSAInt count;
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SSAInt dest_y;
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SSAInt iscale;
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SSAInt texturefracx;
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SSAInt textureheight;
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SSAInt one;
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SSAInt texturefrac;
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SSAInt light;
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SSAVec4i color;
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SSAVec4i srccolor;
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SSAInt srcalpha;
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SSAInt destalpha;
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SSABool is_simple_shade;
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SSABool is_nearest_filter;
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SSAShadeConstants shade_constants;
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SSAWorkerThread thread;
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};
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