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/****************************************************************************
**
** Copyright (C) 2018 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DS_STUDIO_SUBPRESENTATION_RENDERER_H
#define QT3DS_STUDIO_SUBPRESENTATION_RENDERER_H
#include "Qt3DSOffscreenRenderManager.h"
#include "Qt3DSRenderContextCore.h"
#include "q3dssurfaceviewer.h"
#include <QtGui/qopenglshaderprogram.h>
#include <QtGui/qopenglvertexarrayobject.h>
#include <QtGui/qopenglbuffer.h>
#include <QtGui/qoffscreensurface.h>
#include <QtGui/qopenglcontext.h>
#include <QtCore/qscopedpointer.h>
class RendererThread;
class StudioSubpresentationRenderer : public qt3ds::render::IOffscreenRenderer
{
public:
StudioSubpresentationRenderer(qt3ds::render::IQt3DSRenderContext &inRenderContext,
const QString &id, const QString &presentation,
const QString &path);
~StudioSubpresentationRenderer();
void addRef() override
{
qt3ds::render::atomicIncrement(&mRefCount);
}
void release() override
{
qt3ds::render::QT3DSI32 value = qt3ds::render::atomicDecrement(&mRefCount);
if (value <= 0)
qt3ds::render::NVDelete(m_renderContext.GetAllocator(), this);
}
qt3ds::render::CRegisteredString GetOffscreenRendererType() override;
qt3ds::render::SOffscreenRendererEnvironment
GetDesiredEnvironment(qt3ds::render::QT3DSVec2 inPresentationScaleFactor) override;
qt3ds::render::SOffscreenRenderFlags NeedsRender(
const qt3ds::render::SOffscreenRendererEnvironment &inEnvironment,
qt3ds::render::QT3DSVec2 inPresentationScaleFactor,
const qt3ds::render::SRenderInstanceId instanceId) override;
void Render(const qt3ds::render::SOffscreenRendererEnvironment &inEnvironment,
qt3ds::render::NVRenderContext &inRenderContext,
qt3ds::render::QT3DSVec2 inPresentationScaleFactor,
qt3ds::render::SScene::RenderClearCommand inColorBufferNeedsClear,
const qt3ds::render::SRenderInstanceId instanceId) override;
void RenderWithClear(const qt3ds::render::SOffscreenRendererEnvironment &inEnvironment,
qt3ds::render::NVRenderContext &inRenderContext,
qt3ds::render::QT3DSVec2 inPresentationScaleFactor,
qt3ds::render::SScene::RenderClearCommand inColorBufferNeedsClear,
qt3ds::render::QT3DSVec4 inclearColor,
const qt3ds::render::SRenderInstanceId instanceId) override;
qt3ds::render::IGraphObjectPickQuery *GetGraphObjectPickQuery(
const qt3ds::render::SRenderInstanceId instanceId) override
{
Q_UNUSED(instanceId);
return nullptr;
}
bool Pick(const qt3ds::render::QT3DSVec2 &inMouseCoords,
const qt3ds::render::QT3DSVec2 &inViewportDimensions,
const qt3ds::render::SRenderInstanceId instanceId) override
{
Q_UNUSED(inMouseCoords);
Q_UNUSED(inViewportDimensions);
Q_UNUSED(instanceId);
return false;
}
void addCallback(IOffscreenRendererCallback *cb) override
{
m_callback = cb;
}
private:
void initializeFboCopy();
void initialize();
qt3ds::render::IQt3DSRenderContext &m_renderContext;
QString m_id;
QString m_presentation;
QString m_path;
QScopedPointer<RendererThread> m_thread;
QOpenGLShaderProgram *m_program;
QOpenGLVertexArrayObject *m_vao;
QOpenGLBuffer *m_vertices;
IOffscreenRendererCallback *m_callback;
qt3ds::render::CRegisteredString m_rendererType;
volatile qt3ds::render::QT3DSI32 mRefCount;
};
#endif
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