StyleCustomFilterProgramCache.cpp [plain text]
#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()
{
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);
}
}
#endif // ENABLE(CSS_SHADERS)