| /* |
| * Copyright (C) 2013 Adobe Systems Incorporated. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * 2. Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER “AS IS” AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, |
| * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
| * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #if ENABLE(CSS_SHADERS) |
| |
| #include "StyleCustomFilterProgramCache.h" |
| |
| #include "CustomFilterProgramInfo.h" |
| #include "StyleCustomFilterProgram.h" |
| |
| namespace WebCore { |
| |
| static CustomFilterProgramInfo programCacheKey(StyleCustomFilterProgram* program) |
| { |
| ASSERT(program->vertexShaderURL().isValid() || program->fragmentShaderURL().isValid()); |
| return CustomFilterProgramInfo(program->vertexShaderURL(), program->fragmentShaderURL(), |
| program->programType(), program->mixSettings(), program->meshType()); |
| } |
| |
| StyleCustomFilterProgramCache::StyleCustomFilterProgramCache() |
| { |
| } |
| |
| StyleCustomFilterProgramCache::~StyleCustomFilterProgramCache() |
| { |
| // Make sure the programs are not calling back into this object. |
| for (CacheMap::iterator iter = m_cache.begin(), end = m_cache.end(); iter != end; ++iter) |
| iter->value->setCache(0); |
| } |
| |
| StyleCustomFilterProgram* StyleCustomFilterProgramCache::lookup(const CustomFilterProgramInfo& programInfo) const |
| { |
| CacheMap::const_iterator iter = m_cache.find(programInfo); |
| return iter != m_cache.end() ? iter->value : 0; |
| } |
| |
| StyleCustomFilterProgram* StyleCustomFilterProgramCache::lookup(StyleCustomFilterProgram* program) const |
| { |
| return lookup(programCacheKey(program)); |
| } |
| |
| void StyleCustomFilterProgramCache::add(StyleCustomFilterProgram* program) |
| { |
| CustomFilterProgramInfo key = programCacheKey(program); |
| ASSERT(m_cache.find(key) == m_cache.end()); |
| m_cache.set(key, program); |
| program->setCache(this); |
| } |
| |
| void StyleCustomFilterProgramCache::remove(StyleCustomFilterProgram* program) |
| { |
| CacheMap::iterator iter = m_cache.find(programCacheKey(program)); |
| ASSERT(iter != m_cache.end()); |
| m_cache.remove(iter); |
| } |
| |
| |
| } // namespace WebCore |
| |
| #endif // ENABLE(CSS_SHADERS) |
| |