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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/private/qtextureimage_p.h>
#include <Qt3DRender/qtextureimagedata.h>
#include <Qt3DRender/qtexturedata.h>
#include <QThread>
#include <Qt3DRender/private/job_common_p.h>
#include <Qt3DRender/private/qtextureimagedata_p.h>
QT_BEGIN_NAMESPACE
namespace Qt3DRender {
namespace Render {
namespace {
typedef QPair<HTextureData, QTextureImageData *> HandleDataPair;
HandleDataPair textureDataFromGenerator(TextureDataManager *textureDataManager,
QTextureImageDataGeneratorPtr generator)
{
HTextureData textureDataHandle;
QTextureImageData *data = 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(generator);
// Texture data handle isn't null == there's already a matching TextureData
if (!textureDataHandle.isNull()) {
data = textureDataManager->data(textureDataHandle);
} else {
// Texture data is null -> we need to generate it
QTextureImageDataPtr dataPtr = generator->operator ()();
if (dataPtr.isNull()) {
qCDebug(Jobs) << Q_FUNC_INFO << "Texture has no raw data";
} else {
// Save the QTextureImageDataPtr with it's functor as a key
textureDataHandle = textureDataManager->acquire();
data = textureDataManager->data(textureDataHandle);
*data = *(dataPtr.data());
textureDataManager->addTextureDataForFunctor(textureDataHandle, generator);
}
}
return qMakePair(textureDataHandle, data);
}
void createTextureFromGenerator(TextureDataManager *textureDataManager,
Texture *texture)
{
QTextureGeneratorPtr generator = texture->dataGenerator();
const QTextureDataPtr generatedData = generator->operator ()();
// TO DO set the status of the texture based on the status of the functor
// Use the first QTexImageData loaded to determine the target / mipmaps
// if not specified
if (texture->target() != QAbstractTexture::TargetAutomatic)
qWarning() << "When a texture provides a generator, it's target is expected to be TargetAutomatic";
texture->setTarget(static_cast<QAbstractTexture::Target>(generatedData->target()));
texture->setSize(generatedData->width(), generatedData->height(), generatedData->depth());
texture->setLayers(generatedData->layers());
texture->setFormat(generatedData->format());
// Note: These texture data handles aren't associated with a QTextureImageDataGenerator
// and will therefore be destroyed when the Texture element is destroyed or cleaned up
const QVector<QTextureImageDataPtr> imageData = generatedData->imageData();
if (imageData.size() > 0) {
QMutexLocker locker(textureDataManager->mutex());
// We don't want to take the chance of having two jobs uploading the same functor
// because of sync issues
// Set the mips level based on the first image if autoMipMapGeneration is disabled
if (!texture->isAutoMipMapGenerationEnabled())
texture->setMipLevels(imageData.first()->mipLevels());
for (QTextureImageDataPtr dataPtr : imageData) {
HTextureData textureDataHandle = textureDataManager->acquire();
QTextureImageData *data = textureDataManager->data(textureDataHandle);
*data = *(dataPtr.data());
texture->addTextureDataHandle(textureDataHandle);
}
}
}
} // anonymous
LoadTextureDataJob::LoadTextureDataJob(Qt3DCore::QNodeId textureId)
: m_textureId(textureId)
{
SET_JOB_RUN_STAT_TYPE(this, JobTypes::LoadTextureData, 0);
}
LoadTextureDataJob::~LoadTextureDataJob()
{
}
void LoadTextureDataJob::run()
{
qCDebug(Jobs) << "Entering" << Q_FUNC_INFO << QThread::currentThread();
Texture *txt = m_manager->textureManager()->lookupResource(m_textureId);
TextureDataManager *textureDataManager = m_manager->manager<QTextureImageData, TextureDataManager>();
if (txt != nullptr) {
// We need to clear the TextureData handles of the texture in case it was previously
// loaded with a different functor
txt->releaseTextureDataHandles();
// If the texture has a functor we used it to generate embedded TextureImages
if (txt->dataGenerator())
createTextureFromGenerator(textureDataManager, txt);
// Load update each TextureImage
const auto texImgHandles = txt->textureImages();
for (HTextureImage texImgHandle : texImgHandles) {
TextureImage *texImg = m_manager->textureImageManager()->data(texImgHandle);
if (texImg != nullptr && texImg->isDirty() && !texImg->dataGenerator().isNull()) {
QTextureImageDataGeneratorPtr generator = texImg->dataGenerator();
QPair<HTextureData, QTextureImageData *> handleData = textureDataFromGenerator(textureDataManager, generator);
// If using QTextureImage, notify the frontend of the change in status
const QImageTextureDataFunctor *imageGenerator = functor_cast<QImageTextureDataFunctor>(generator.data());
if (imageGenerator)
texImg->setStatus(imageGenerator->status());
HTextureData textureDataHandle = handleData.first;
QTextureImageData *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<QTextureImageData, TextureDataManager>();
textureDataManager->assignFunctorToTextureImage(generator, 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->mipLevel() == 0 &&
texImg->face() == QAbstractTexture::CubeMapPositiveX) {
if (data == 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() == QAbstractTexture::Automatic) {
txt->setFormat(static_cast<QAbstractTexture::TextureFormat>(data->format()));
}
}
}
// Set the textureDataHandle on the texture image
// Note: this internally updates the DNA of the TextureImage
texImg->setTextureDataHandle(textureDataHandle);
if (data)
texImg->updateDNA(::qHash(QTextureImageDataPrivate::get(data)->m_data));
}
}
// Tell the renderer to reload/upload to GPU the TextureImage for the Texture
// next frame
txt->requestTextureDataUpdate();
}
}
} // namespace Render
} // namespace Qt3DRender
QT_END_NAMESPACE
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