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/****************************************************************************
**
** Copyright (C) 2015 Klaralvdalens Datakonsult AB (KDAB).
** Contact: https://www.qt.io/licensing/
**
** This file is part of the Qt3D module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "loadtexturedatajob_p.h"
#include <Qt3DRender/private/nodemanagers_p.h>
#include <Qt3DRender/private/managers_p.h>
#include <Qt3DRender/private/texturedatamanager_p.h>
#include <Qt3DRender/qtexturedata.h>
#include <QThread>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
LoadTextureDataJob::LoadTextureDataJob(const Qt3DCore::QNodeId &textureId)
: m_textureId(textureId)
{
}
LoadTextureDataJob::~LoadTextureDataJob()
{
}
static QPair<HTextureData, QTexImageData *> textureDataFromFunctor(TextureDataManager *textureDataManager, QTextureDataFunctorPtr functor)
{
HTextureData textureDataHandle;
QTexImageData *data = Q_NULLPTR;
QMutexLocker locker(textureDataManager->mutex());
// We don't want to take the chance of having two jobs uploading the same functor
// because of sync issues
textureDataHandle = textureDataManager->textureDataFromFunctor(functor);
// Texture data handle isn't null == there's already a matching TextureData
if (!textureDataHandle.isNull()) {
data = textureDataManager->data(textureDataHandle);
} else {
QTexImageDataPtr dataPtr = functor->operator ()();
if (dataPtr.isNull()) {
qCDebug(Jobs) << Q_FUNC_INFO << "Texture has no raw data";
} else {
// Save the QTexImageDataPtr with it's functor as a key
textureDataHandle = textureDataManager->acquire();
data = textureDataManager->data(textureDataHandle);
*data = *(dataPtr.data());
textureDataManager->addTextureDataForFunctor(textureDataHandle, functor);
}
}
return qMakePair(textureDataHandle, data);
}
void LoadTextureDataJob::run()
{
qCDebug(Jobs) << "Entering" << Q_FUNC_INFO << QThread::currentThread();
Texture *txt = m_manager->textureManager()->lookupResource(m_textureId);
TextureDataManager *textureDataManager = m_manager->manager<QTexImageData, TextureDataManager>();
if (txt != Q_NULLPTR) {
if (txt->dataFunctor()) {
QTextureDataFunctorPtr functor = txt->dataFunctor();
QPair<HTextureData, QTexImageData *> handleData = textureDataFromFunctor(textureDataManager, functor);
HTextureData textureDataHandle = handleData.first;
QTexImageData *data = handleData.second;
if (txt->target() == QAbstractTextureProvider::TargetAutomatic)
txt->setTarget(static_cast<QAbstractTextureProvider::Target>(data->target()));
if (!txt->isAutoMipMapGenerationEnabled())
txt->setMipLevels(data->mipLevels());
txt->setSize(data->width(), data->height(), data->depth());
txt->setFormat(static_cast<QAbstractTextureProvider::TextureFormat>(data->format()));
txt->setTextureDataHandle(textureDataHandle);
}
// Load update each TextureImage
Q_FOREACH (HTextureImage texImgHandle, txt->textureImages()) {
TextureImage *texImg = m_manager->textureImageManager()->data(texImgHandle);
if (texImg != Q_NULLPTR && texImg->isDirty() && !texImg->dataFunctor().isNull()) {
QTextureDataFunctorPtr functor = texImg->dataFunctor();
QPair<HTextureData, QTexImageData *> handleData = textureDataFromFunctor(textureDataManager, functor);
HTextureData textureDataHandle = handleData.first;
QTexImageData *data = handleData.second;
// XXX released textureDataManager mutex, do we have a race here?
// Update HTextureImage Functor to release TextureData when needed
TextureDataManager *textureDataManager = m_manager->manager<QTexImageData, TextureDataManager>();
textureDataManager->assignFunctorToTextureImage(functor, texImgHandle);
// Set texture size of texture if the first layer / level / face has a valid size
// otherwise assume the size was set on the texture itself
if (texImg->layer() == 0 && texImg->mipmapLevel() == 0 &&
texImg->face() == QAbstractTextureProvider::CubeMapPositiveX) {
if (data == Q_NULLPTR) {
qWarning() << "Texture data is null, texture data failed to load";
} else {
// Set the size of the texture based on the layer 0 / level 0
// if the functor provides something valid. Otherwise we assume the texture
// already has the correct size
if (data->width() != -1 && data->height() != -1 && data->depth() != -1) {
txt->setSize(data->width(), data->height(), data->depth());
}
// Set the format of the texture if the texture format is set to Automatic
if (txt->format() == QAbstractTextureProvider::Automatic) {
txt->setFormat(static_cast<QAbstractTextureProvider::TextureFormat>(data->format()));
}
}
}
// Set the textureDataHandle on the texture image
texImg->setTextureDataHandle(textureDataHandle);
}
}
// Tell the renderer to reload the TextureImage for the Texture
// next frame
txt->requestTextureDataUpdate();
}
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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