qquick3dtexturedata.cpp

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// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
 
#include "qquick3dtexturedata.h"
#include "qquick3dtexturedata_p.h"
#include <QtQuick3DUtils/private/qssgutils_p.h>
#include <QtQuick3DRuntimeRender/private/qssgrendertexturedata_p.h>
 
QT_BEGIN_NAMESPACE
 
QQuick3DTextureDataPrivate::QQuick3DTextureDataPrivate()
    : QQuick3DObjectPrivate(QQuick3DTextureDataPrivate::Type::TextureData)
{
 
}
 
QQuick3DTextureData::QQuick3DTextureData(QQuick3DObject *parent)
    : QQuick3DObject(*new QQuick3DTextureDataPrivate, parent)
{
 
}
 
QQuick3DTextureData::~QQuick3DTextureData()
{
 
}
 
const QByteArray QQuick3DTextureData::textureData() const
{
    const Q_D(QQuick3DTextureData);
    return d->textureData;
 
}
 
void QQuick3DTextureData::setTextureData(const QByteArray &data)
{
    Q_D(QQuick3DTextureData);
    d->textureData = data;
    d->textureDataDirty = true;
    update();
}
 
QSize QQuick3DTextureData::size() const
{
    const Q_D(QQuick3DTextureData);
    return d->size;
}
 
void QQuick3DTextureData::setSize(const QSize &size)
{
    Q_D(QQuick3DTextureData);
    d->size = size;
    update();
}
 
int QQuick3DTextureData::depth() const
{
    const Q_D(QQuick3DTextureData);
    return d->depth;
}
 
void QQuick3DTextureData::setDepth(int depth)
{
    Q_D(QQuick3DTextureData);
    d->depth = depth;
    update();
}
 
QQuick3DTextureData::Format QQuick3DTextureData::format() const
{
    const Q_D(QQuick3DTextureData);
    return d->format;
}
 
void QQuick3DTextureData::setFormat(QQuick3DTextureData::Format format)
{
    Q_D(QQuick3DTextureData);
    d->format = format;
    update();
}
 
bool QQuick3DTextureData::hasTransparency() const
{
    const Q_D(QQuick3DTextureData);
    return d->hasTransparency;
}
 
void QQuick3DTextureData::setHasTransparency(bool hasTransparency)
{
    Q_D(QQuick3DTextureData);
    d->hasTransparency = hasTransparency;
    update();
}
 
 
static QSSGRenderTextureFormat::Format convertToBackendFormat(QQuick3DTextureData::Format format)
{
    switch (format) {
    case QQuick3DTextureData::None:
    case QQuick3DTextureData::RGBA8:
        return QSSGRenderTextureFormat::RGBA8;
    case QQuick3DTextureData::RGBA16F:
        return QSSGRenderTextureFormat::RGBA16F;
    case QQuick3DTextureData::RGBA32F:
        return QSSGRenderTextureFormat::RGBA32F;
    case QQuick3DTextureData::RGBE8:
        return QSSGRenderTextureFormat::RGBE8;
    case QQuick3DTextureData::R8:
        return QSSGRenderTextureFormat::R8;
    case QQuick3DTextureData::R16:
        return QSSGRenderTextureFormat::R16;
    case QQuick3DTextureData::R16F:
        return QSSGRenderTextureFormat::R16F;
    case QQuick3DTextureData::R32F:
        return QSSGRenderTextureFormat::R32F;
    case QQuick3DTextureData::BC1:
        return QSSGRenderTextureFormat::BC1;
    case QQuick3DTextureData::BC2:
        return QSSGRenderTextureFormat::BC2;
    case QQuick3DTextureData::BC3:
        return QSSGRenderTextureFormat::BC3;
    case QQuick3DTextureData::BC4:
        return QSSGRenderTextureFormat::BC4;
    case QQuick3DTextureData::BC5:
        return QSSGRenderTextureFormat::BC5;
    case QQuick3DTextureData::BC6H:
        return QSSGRenderTextureFormat::BC6H;
    case QQuick3DTextureData::BC7:
        return QSSGRenderTextureFormat::BC7;
    case QQuick3DTextureData::DXT1_RGBA:
        return QSSGRenderTextureFormat::RGBA_DXT1;
    case QQuick3DTextureData::DXT1_RGB:
        return QSSGRenderTextureFormat::RGB_DXT1;
    case QQuick3DTextureData::DXT3_RGBA:
        return QSSGRenderTextureFormat::RGBA_DXT3;
    case QQuick3DTextureData::DXT5_RGBA:
        return QSSGRenderTextureFormat::RGBA_DXT5;
    case QQuick3DTextureData::ETC2_RGB8:
        return QSSGRenderTextureFormat::RGB8_ETC2;
    case QQuick3DTextureData::ETC2_RGB8A1:
        return QSSGRenderTextureFormat::RGB8_PunchThrough_Alpha1_ETC2;
    case QQuick3DTextureData::ETC2_RGBA8:
        return QSSGRenderTextureFormat::RGBA8_ETC2_EAC;
    case QQuick3DTextureData::ASTC_4x4:
        return QSSGRenderTextureFormat::RGBA_ASTC_4x4;
    case QQuick3DTextureData::ASTC_5x4:
        return QSSGRenderTextureFormat::RGBA_ASTC_5x4;
    case QQuick3DTextureData::ASTC_5x5:
        return QSSGRenderTextureFormat::RGBA_ASTC_5x5;
    case QQuick3DTextureData::ASTC_6x5:
        return QSSGRenderTextureFormat::RGBA_ASTC_6x5;
    case QQuick3DTextureData::ASTC_6x6:
        return QSSGRenderTextureFormat::RGBA_ASTC_6x6;
    case QQuick3DTextureData::ASTC_8x5:
        return QSSGRenderTextureFormat::RGBA_ASTC_8x5;
    case QQuick3DTextureData::ASTC_8x6:
        return QSSGRenderTextureFormat::RGBA_ASTC_8x6;
    case QQuick3DTextureData::ASTC_8x8:
        return QSSGRenderTextureFormat::RGBA_ASTC_8x8;
    case QQuick3DTextureData::ASTC_10x5:
        return QSSGRenderTextureFormat::RGBA_ASTC_10x5;
    case QQuick3DTextureData::ASTC_10x6:
        return QSSGRenderTextureFormat::RGBA_ASTC_10x6;
    case QQuick3DTextureData::ASTC_10x8:
        return QSSGRenderTextureFormat::RGBA_ASTC_10x8;
    case QQuick3DTextureData::ASTC_10x10:
        return QSSGRenderTextureFormat::RGBA_ASTC_10x10;
    case QQuick3DTextureData::ASTC_12x10:
        return QSSGRenderTextureFormat::RGBA_ASTC_12x10;
    case QQuick3DTextureData::ASTC_12x12:
        return QSSGRenderTextureFormat::RGBA_ASTC_12x12;
    default:
        return QSSGRenderTextureFormat::RGBA8;
    }
}
 
QSSGRenderGraphObject *QQuick3DTextureData::updateSpatialNode(QSSGRenderGraphObject *node)
{
    Q_D(QQuick3DTextureData);
    if (!node) {
        markAllDirty();
        node = new QSSGRenderTextureData();
    }
    QQuick3DObject::updateSpatialNode(node);
    auto *textureData = static_cast<QSSGRenderTextureData*>(node);
 
    bool changed = false;
 
    // Use a dirty flag so we don't compare large buffer values
    if (d->textureDataDirty) {
        d->textureDataDirty = false;
        textureData->setTextureData(d->textureData);
        changed = true;
    }
 
    // Can't use qUpdateIfNeeded unfortunately
    if (d->size != textureData->size()) {
        textureData->setSize(d->size);
        changed = true;
    }
 
    if (d->depth != textureData->depth()) {
        textureData->setDepth(d->depth);
        changed = true;
    }
 
    QSSGRenderTextureFormat format = convertToBackendFormat(d->format);
    if (format != textureData->format()) {
        textureData->setFormat(format);
        changed = true;
    }
 
    if (d->hasTransparency != textureData->hasTransparancy()) {
        textureData->setHasTransparency(d->hasTransparency);
        changed = true;
    }
 
    if (changed)
        emit textureDataNodeDirty();
 
    DebugViewHelpers::ensureDebugObjectName(textureData, this);
 
    return node;
}
 
void QQuick3DTextureData::markAllDirty()
{
    QQuick3DObject::markAllDirty();
}
 
 
QT_END_NAMESPACE