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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QT3DRENDER_RENDER_ABSTRACTRENDERER_P_H
#define QT3DRENDER_RENDER_ABSTRACTRENDERER_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of other Qt classes. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtCore/qflags.h>
#include <QtCore/qmutex.h>
#include <Qt3DRender/private/qt3drender_global_p.h>
#include <Qt3DRender/private/handle_types_p.h>
#include <Qt3DCore/qaspectjob.h>
#include <Qt3DCore/qnodeid.h>
#include <QtGui/qsurfaceformat.h>
#include <QtGui/qopenglcontext.h>
QT_BEGIN_NAMESPACE
class QSurface;
class QSize;
class QScreen;
namespace Qt3DCore {
class QAbstractFrameAdvanceService;
class QEventFilterService;
class QAbstractAspectJobManager;
class QServiceLocator;
}
namespace Qt3DRender {
class QRenderAspect;
namespace Render {
class NodeManagers;
class Entity;
class FrameGraphNode;
class RenderSettings;
class BackendNode;
class OffscreenSurfaceHelper;
class Shader;
class Q_3DRENDERSHARED_PRIVATE_EXPORT AbstractRenderer
{
public:
virtual ~AbstractRenderer() {}
enum API {
OpenGL,
Vulkan,
DirectX
};
// Changes made to backend nodes are reported to the Renderer
enum BackendNodeDirtyFlag {
TransformDirty = 1 << 0,
MaterialDirty = 1 << 1,
GeometryDirty = 1 << 2,
ComputeDirty = 1 << 3,
ParameterDirty = 1 << 4,
FrameGraphDirty = 1 << 5,
EntityEnabledDirty = 1 << 6,
BuffersDirty = 1 << 7,
TexturesDirty = 1 << 8,
ShadersDirty = 1 << 9,
SkeletonDataDirty = 1 << 10,
JointDirty = 1 << 11,
LayersDirty = 1 << 12,
TechniquesDirty = 1 << 13,
LightsDirty = 1 << 15,
AllDirty = 0xffffff
};
Q_DECLARE_FLAGS(BackendNodeDirtySet, BackendNodeDirtyFlag)
virtual void dumpInfo() const = 0;
virtual API api() const = 0;
virtual qint64 time() const = 0;
virtual void setTime(qint64 time) = 0;
virtual void setNodeManagers(NodeManagers *managers) = 0;
virtual void setServices(Qt3DCore::QServiceLocator *services) = 0;
virtual void setSurfaceExposed(bool exposed) = 0;
virtual NodeManagers *nodeManagers() const = 0;
virtual Qt3DCore::QServiceLocator *services() const = 0;
virtual void initialize() = 0;
virtual void shutdown() = 0;
virtual void releaseGraphicsResources() = 0;
// Threaded renderer
virtual void render() = 0;
// Synchronous renderer
virtual void doRender(bool swapBuffers) = 0;
virtual void cleanGraphicsResources() = 0;
virtual bool isRunning() const = 0;
virtual void markDirty(BackendNodeDirtySet changes, BackendNode *node) = 0;
virtual BackendNodeDirtySet dirtyBits() = 0;
#if defined(QT_BUILD_INTERNAL)
virtual void clearDirtyBits(BackendNodeDirtySet changes) = 0;
#endif
virtual bool shouldRender() const = 0;
virtual void skipNextFrame() = 0;
virtual QVector<Qt3DCore::QAspectJobPtr> preRenderingJobs() = 0;
virtual QVector<Qt3DCore::QAspectJobPtr> renderBinJobs() = 0;
virtual Qt3DCore::QAspectJobPtr pickBoundingVolumeJob() = 0;
virtual Qt3DCore::QAspectJobPtr rayCastingJob() = 0;
virtual Qt3DCore::QAspectJobPtr syncLoadingJobs() = 0;
virtual Qt3DCore::QAspectJobPtr expandBoundingVolumeJob() = 0;
virtual void setSceneRoot(Entity *root) = 0;
virtual Entity *sceneRoot() const = 0;
virtual FrameGraphNode *frameGraphRoot() const = 0;
virtual Qt3DCore::QAbstractFrameAdvanceService *frameAdvanceService() const = 0;
virtual void registerEventFilter(Qt3DCore::QEventFilterService *service) = 0;
virtual void setSettings(RenderSettings *settings) = 0;
virtual RenderSettings *settings() const = 0;
virtual QVariant executeCommand(const QStringList &args) = 0;
// For QtQuick rendering
virtual void setOpenGLContext(QOpenGLContext *ctx) = 0;
virtual void setScreen(QScreen *) {}
virtual QScreen *screen() const { return nullptr; }
virtual void setOffscreenSurfaceHelper(OffscreenSurfaceHelper *helper) = 0;
virtual QSurfaceFormat format() = 0;
virtual QOpenGLContext *shareContext() const = 0;
// These commands are executed in a dedicated command thread
// More will be added later
virtual void loadShader(Shader *shader, Qt3DRender::Render::HShader shaderHandle) = 0;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(AbstractRenderer::BackendNodeDirtySet)
} // Render
} // Qt3DRender
QT_END_NAMESPACE
#endif // QT3DRENDER_RENDER_ABSTRACTRENDERER_P_H
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