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/****************************************************************************
**
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** 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 General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) 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.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-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "q3dsqmlrender.h"
#include "q3dsqmlstreamservice.h"
#include "render/Qt3DSRenderContext.h"
#include <QSize>
#include <QOpenGLContext>
Q3DSQmlRender::Q3DSQmlRender(IQt3DSRenderContext &inRenderContext, const char *asset)
: m_RenderContext(inRenderContext)
, m_qmlStreamRenderer(nullptr)
, m_offscreenRenderType(inRenderContext.GetStringTable().RegisterStr(GetRendererName()))
, m_assetString(inRenderContext.GetStringTable().RegisterStr(asset))
, mRefCount(0)
{
}
Q3DSQmlRender::~Q3DSQmlRender()
{
m_qmlStreamRenderer =
IQ3DSQmlStreamService::getQmlStreamService()->getRenderer(m_assetString.c_str());
if (m_qmlStreamRenderer)
m_qmlStreamRenderer->uninitialize();
}
CRegisteredString Q3DSQmlRender::GetOffscreenRendererType()
{
return m_offscreenRenderType;
}
NVRenderTextureFormats::Enum convertTextureFormat(E_TEXTURE_FORMAT fmt)
{
Q_UNUSED(fmt)
NVRenderTextureFormats::Enum ret = NVRenderTextureFormats::RGBA8;
return ret;
}
SOffscreenRendererEnvironment Q3DSQmlRender::GetDesiredEnvironment(QT3DSVec2 inPresScale)
{
QSize size(0, 0);
E_TEXTURE_FORMAT format;
if (!m_qmlStreamRenderer)
initializeRenderer();
if (m_qmlStreamRenderer) {
size = m_qmlStreamRenderer->getDesiredSize();
format = m_qmlStreamRenderer->getDesiredFormat();
}
return SOffscreenRendererEnvironment(
(QT3DSU32)(size.width() * inPresScale.x), (QT3DSU32)(size.height() * inPresScale.y),
convertTextureFormat(format), OffscreenRendererDepthValues::Depth24, false,
AAModeValues::NoAA);
}
SOffscreenRenderFlags Q3DSQmlRender::NeedsRender(const SOffscreenRendererEnvironment &inEnvironment,
QT3DSVec2 inPresentationScaleFactor)
{
Q_UNUSED(inEnvironment);
Q_UNUSED(inPresentationScaleFactor);
bool render = false;
if (!m_qmlStreamRenderer)
initializeRenderer();
if (m_qmlStreamRenderer)
render = m_qmlStreamRenderer->isUpdateRequested();
return SOffscreenRenderFlags(false, render);
}
void Q3DSQmlRender::Render(const SOffscreenRendererEnvironment &inEnvironment,
NVRenderContext &inRenderContext, QT3DSVec2 inPresentationScaleFactor,
SScene::RenderClearCommand inColorBufferNeedsClear)
{
Q_UNUSED(inEnvironment);
Q_UNUSED(inPresentationScaleFactor);
Q_UNUSED(inColorBufferNeedsClear);
if (m_qmlStreamRenderer) {
inRenderContext.PushPropertySet();
m_qmlStreamRenderer->render();
inRenderContext.PopPropertySet(true);
}
}
void Q3DSQmlRender::initializeRenderer()
{
m_qmlStreamRenderer
= IQ3DSQmlStreamService::getQmlStreamService()->getRenderer(m_assetString.c_str());
if (m_qmlStreamRenderer) {
if (!m_qmlStreamRenderer->initialize(
QT_PREPEND_NAMESPACE(QOpenGLContext)::currentContext(),
QT_PREPEND_NAMESPACE(QOpenGLContext)::currentContext()->surface())) {
m_qmlStreamRenderer = nullptr;
}
}
}
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