///////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2012-2015 DreamWorks Animation LLC
//
// All rights reserved. This software is distributed under the
// Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
//
// Redistributions of source code must retain the above copyright
// and license notice and the following restrictions and disclaimer.
//
// *     Neither the name of DreamWorks Animation nor the names of
// its contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "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
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY 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.
// IN NO EVENT SHALL THE COPYRIGHT HOLDERS' AND CONTRIBUTORS' AGGREGATE
// LIABILITY FOR ALL CLAIMS REGARDLESS OF THEIR BASIS EXCEED US$250.00.
//
///////////////////////////////////////////////////////////////////////////

#include "openvdb.h"
#include <openvdb/tools/PointIndexGrid.h>
#include <tbb/mutex.h>
#ifdef OPENVDB_USE_LOG4CPLUS
#include <log4cplus/configurator.h>
#include <log4cplus/logger.h>
#endif
#ifdef OPENVDB_USE_BLOSC
#include <blosc.h>
#endif

namespace openvdb {
OPENVDB_USE_VERSION_NAMESPACE
namespace OPENVDB_VERSION_NAME {

typedef tbb::mutex Mutex;
typedef Mutex::scoped_lock Lock;

namespace {
// Declare this at file scope to ensure thread-safe initialization.
Mutex sInitMutex;
bool sIsInitialized = false;
}

void
initialize()
{
    Lock lock(sInitMutex);
    if (sIsInitialized) return;

#ifdef OPENVDB_USE_LOG4CPLUS
    {
        // Configure log4cplus if it was not already configured (at least,
        // if there are no appenders associated with the root logger).
        log4cplus::Logger rootLogger = log4cplus::Logger::getRoot();
        if (rootLogger.getAllAppenders().empty()) {
            log4cplus::BasicConfigurator::doConfigure();
            rootLogger.setLogLevel(log4cplus::WARN_LOG_LEVEL); // was DEBUG_LOG_LEVEL
        }
    }
#endif

    // Register metadata.
    Metadata::clearRegistry();
    BoolMetadata::registerType();
    DoubleMetadata::registerType();
    FloatMetadata::registerType();
    Int32Metadata::registerType();
    Int64Metadata::registerType();
    StringMetadata::registerType();
    Vec2IMetadata::registerType();
    Vec2SMetadata::registerType();
    Vec2DMetadata::registerType();
    Vec3IMetadata::registerType();
    Vec3SMetadata::registerType();
    Vec3DMetadata::registerType();
    Mat4SMetadata::registerType();
    Mat4DMetadata::registerType();

    // Register maps
    math::MapRegistry::clear();
    math::AffineMap::registerMap();
    math::UnitaryMap::registerMap();
    math::ScaleMap::registerMap();
    math::UniformScaleMap::registerMap();
    math::TranslationMap::registerMap();
    math::ScaleTranslateMap::registerMap();
    math::UniformScaleTranslateMap::registerMap();
    math::NonlinearFrustumMap::registerMap();

    // Register common grid types.
    GridBase::clearRegistry();
    BoolGrid::registerGrid();
    FloatGrid::registerGrid();
    DoubleGrid::registerGrid();
    Int32Grid::registerGrid();
    Int64Grid::registerGrid();
    StringGrid::registerGrid();
    Vec3IGrid::registerGrid();
    Vec3SGrid::registerGrid();
    Vec3DGrid::registerGrid();

    // Register types associated with point index grids.
    Metadata::registerType(typeNameAsString<PointIndex32>(), Int32Metadata::createMetadata);
    Metadata::registerType(typeNameAsString<PointIndex64>(), Int64Metadata::createMetadata);
    tools::PointIndexGrid::registerGrid();

#ifdef OPENVDB_USE_BLOSC
    blosc_init();
    if (blosc_set_compressor("lz4") < 0) {
        OPENVDB_LOG_WARN("Blosc LZ4 compressor is unavailable");
    }
    /// @todo blosc_set_nthreads(int nthreads);
#endif

#ifdef __ICC
// Disable ICC "assignment to statically allocated variable" warning.
// This assignment is mutex-protected and therefore thread-safe.
__pragma(warning(disable:1711))
#endif

    sIsInitialized = true;

#ifdef __ICC
__pragma(warning(default:1711))
#endif
}


void
uninitialize()
{
    Lock lock(sInitMutex);

#ifdef __ICC
// Disable ICC "assignment to statically allocated variable" warning.
// This assignment is mutex-protected and therefore thread-safe.
__pragma(warning(disable:1711))
#endif

    sIsInitialized = false;

#ifdef __ICC
__pragma(warning(default:1711))
#endif

    Metadata::clearRegistry();
    GridBase::clearRegistry();
    math::MapRegistry::clear();

#ifdef OPENVDB_USE_BLOSC
    // We don't want to destroy Blosc, because it might have been
    // initialized by some other library.
    //blosc_destroy();
#endif
}

} // namespace OPENVDB_VERSION_NAME
} // namespace openvdb

// Copyright (c) 2012-2015 DreamWorks Animation LLC
// All rights reserved. This software is distributed under the
// Mozilla Public License 2.0 ( http://www.mozilla.org/MPL/2.0/ )
