mirror of
https://github.com/ZDoom/gzdoom.git
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75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
//
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//---------------------------------------------------------------------------
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//
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// Copyright(C) 2007-2016 Christoph Oelckers
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// All rights reserved.
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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 Lesser 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 Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser 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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//
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/*
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** gl_translate.cpp
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** GL-related translation stuff
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**
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*/
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#include "doomtype.h"
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#include "r_data/r_translate.h"
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#include "gl/textures/gl_translate.h"
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#include "m_crc32.h"
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TArray<GLTranslationPalette::PalData> GLTranslationPalette::AllPalettes;
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GLTranslationPalette *GLTranslationPalette::CreatePalette(FRemapTable *remap)
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{
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GLTranslationPalette *p = new GLTranslationPalette(remap);
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p->Update();
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return p;
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}
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bool GLTranslationPalette::Update()
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{
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PalData pd;
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memset(pd.pe, 0, sizeof(pd.pe));
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memcpy(pd.pe, remap->Palette, remap->NumEntries * sizeof(*remap->Palette));
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pd.crc32 = CalcCRC32((uint8_t*)pd.pe, sizeof(pd.pe));
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for(unsigned int i=0;i< AllPalettes.Size(); i++)
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{
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if (pd.crc32 == AllPalettes[i].crc32)
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{
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if (!memcmp(pd.pe, AllPalettes[i].pe, sizeof(pd.pe)))
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{
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Index = 1+i;
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return true;
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}
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}
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}
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Index = 1+AllPalettes.Push(pd);
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return true;
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}
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int GLTranslationPalette::GetInternalTranslation(int trans)
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{
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if (trans <= 0) return 0;
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FRemapTable *remap = TranslationToTable(trans);
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if (remap == NULL || remap->Inactive) return 0;
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GLTranslationPalette *tpal = static_cast<GLTranslationPalette*>(remap->GetNative());
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if (tpal == NULL) return 0;
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return tpal->GetIndex();
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}
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