74 lines
2.7 KiB
C++
74 lines
2.7 KiB
C++
//
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// KRSamplerManager.cpp
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// Kraken Engine
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//
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// Copyright 2022 Kearwood Gilbert. All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without modification, are
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// permitted provided that the following conditions are met:
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//
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// 1. Redistributions of source code must retain the above copyright notice, this list of
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// conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright notice, this list
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// of conditions and the following disclaimer in the documentation and/or other materials
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// provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
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// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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// ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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// ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// The views and conclusions contained in the software and documentation are those of the
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// authors and should not be interpreted as representing official policies, either expressed
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// or implied, of Kearwood Gilbert.
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//
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#include "KREngine-common.h"
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#include "KRSamplerManager.h"
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// TODO - Purge samplers that are not used for several frames
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bool SamplerInfo::operator==(const SamplerInfo& rhs) const
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{
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assert(rhs.createInfo.pNext == nullptr);
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assert(createInfo.pNext == nullptr);
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// Compare the contents of the SamplerInfo struct, ignoring the first two members (sType, pNext)
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return memcmp(&rhs.createInfo.flags, &createInfo.flags, sizeof(createInfo) - size_t(&createInfo.flags) - size_t(&createInfo));
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}
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KRSamplerManager::KRSamplerManager(KRContext& context)
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: KRContextObject(context)
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{
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}
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KRSamplerManager::~KRSamplerManager()
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{
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}
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void KRSamplerManager::destroy()
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{
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for (SamplerMap::iterator itr = m_samplers.begin(); itr != m_samplers.end(); ++itr) {
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delete (*itr).second;
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}
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m_samplers.clear();
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}
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KRSampler* KRSamplerManager::getSampler(const SamplerInfo& info)
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{
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SamplerMap::iterator itr = m_samplers.find(info);
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if (itr != m_samplers.end()) {
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return itr->second;
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}
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KRSampler* sampler = new KRSampler(getContext(), info);
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m_samplers.emplace(info, sampler);
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return sampler;
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}
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