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103 lines
3.3 KiB
C++
103 lines
3.3 KiB
C++
//##################################################################################################
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//
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// Custom Visualization Core library
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// Copyright (C) 2011-2012 Ceetron AS
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//
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// This library 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 library is distributed in the hope that it will be useful, but WITHOUT ANY
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// WARRANTY; without even the implied warranty of MERCHANTABILITY or
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// FITNESS FOR A PARTICULAR PURPOSE.
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//
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// See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>>
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// for more details.
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//
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//##################################################################################################
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#include "cafEffectGenerator.h"
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#include "cafEffectCache.h"
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namespace caf {
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//==================================================================================================
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//
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// EffectCache
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//
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//==================================================================================================
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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EffectCache::EffectCache()
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{
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m_effectType = EffectGenerator::SHADER_BASED;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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EffectCache* EffectCache::instance()
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{
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static EffectCache staticInstance;
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return &staticInstance;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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cvf::ref<cvf::Effect> EffectCache::getOrCreateEffect(const EffectGenerator* generator)
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{
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CVF_ASSERT(generator);
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// Effect cache does not support mixing of effect types. Clear cache if type changes.
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if (EffectGenerator::renderingMode() != m_effectType)
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{
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clear();
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m_effectType = EffectGenerator::renderingMode();
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}
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size_t i;
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for (i = 0; i < m_effectCache.size(); i++)
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{
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if (m_effectCache[i].first->isEqual(generator))
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{
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cvf::ref<cvf::Effect> effect = m_effectCache[i].second;
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EffectGenerator* effGen = m_effectCache[i].first;
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effGen->updateEffect(effect.p());
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return effect;
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}
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}
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EffectGenerator* myCopy = generator->copy();
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cvf::ref<cvf::Effect> eff = generator->generateEffect();
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m_effectCache.push_back(std::make_pair(myCopy, eff));
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return eff;
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}
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//--------------------------------------------------------------------------------------------------
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///
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//--------------------------------------------------------------------------------------------------
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void EffectCache::clear()
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{
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size_t i;
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for (i = 0; i < m_effectCache.size(); i++)
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{
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EffectGenerator* effGenerator = m_effectCache[i].first;
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delete effGenerator;
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}
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m_effectCache.clear();
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}
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}
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