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https://github.com/ZDoom/gzdoom-gles.git
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86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
//-----------------------------------------------------------------------------
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//
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// Copyright 1993-1996 id Software
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// Copyright 1999-2016 Randy Heit
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// Copyright 2016 Magnus Norddahl
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see http://www.gnu.org/licenses/
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//
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//-----------------------------------------------------------------------------
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#include <stddef.h>
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#include "r_drawerargs.h"
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namespace swrenderer
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{
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void DrawerArgs::SetLight(FSWColormap *base_colormap, float light, int shade)
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{
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mBaseColormap = base_colormap;
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assert(mBaseColormap->Maps != nullptr);
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mLight = light;
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mShade = shade;
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}
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void DrawerArgs::SetTranslationMap(lighttable_t *translation)
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{
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mTranslation = translation;
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}
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uint8_t *DrawerArgs::Colormap(RenderViewport *viewport) const
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{
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if (mBaseColormap)
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{
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if (viewport->RenderTarget->IsBgra())
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return mBaseColormap->Maps;
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else
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return mBaseColormap->Maps + (GETPALOOKUP(mLight, mShade) << COLORMAPSHIFT);
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}
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else
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{
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return mTranslation;
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}
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}
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ShadeConstants DrawerArgs::ColormapConstants() const
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{
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ShadeConstants shadeConstants;
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if (mBaseColormap)
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{
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shadeConstants.light_red = mBaseColormap->Color.r * 256 / 255;
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shadeConstants.light_green = mBaseColormap->Color.g * 256 / 255;
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shadeConstants.light_blue = mBaseColormap->Color.b * 256 / 255;
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shadeConstants.light_alpha = mBaseColormap->Color.a * 256 / 255;
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shadeConstants.fade_red = mBaseColormap->Fade.r;
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shadeConstants.fade_green = mBaseColormap->Fade.g;
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shadeConstants.fade_blue = mBaseColormap->Fade.b;
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shadeConstants.fade_alpha = mBaseColormap->Fade.a;
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shadeConstants.desaturate = MIN(abs(mBaseColormap->Desaturate), 255) * 255 / 256;
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shadeConstants.simple_shade = (mBaseColormap->Color.d == 0x00ffffff && mBaseColormap->Fade.d == 0x00000000 && mBaseColormap->Desaturate == 0);
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}
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else
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{
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shadeConstants.light_red = 256;
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shadeConstants.light_green = 256;
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shadeConstants.light_blue = 256;
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shadeConstants.light_alpha = 256;
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shadeConstants.fade_red = 0;
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shadeConstants.fade_green = 0;
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shadeConstants.fade_blue = 0;
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shadeConstants.fade_alpha = 256;
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shadeConstants.desaturate = 0;
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shadeConstants.simple_shade = true;
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}
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return shadeConstants;
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}
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}
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