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// Copyright (C) 2019 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QSSGVIEW3D_H
#define QSSGVIEW3D_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtQuick/QQuickItem>
#include <QtCore/qurl.h>
#include <QtQuick3D/qtquick3dglobal.h>
#include <QtQuick3D/private/qquick3dpickresult_p.h>
#if QT_CONFIG(quick_shadereffect)
#include <QtQuick/private/qquickshadereffectsource_p.h>
#endif
#include <QtQuick3DRuntimeRender/private/qssgrenderpickresult_p.h>
#include "qquick3dsceneenvironment_p.h"
#include "qquick3drenderstats_p.h"
#include "qquick3dlightmapbaker_p.h"
QT_BEGIN_NAMESPACE
class QSSGView3DPrivate;
class QQuick3DCamera;
class QQuick3DSceneEnvironment;
class QQuick3DNode;
class QQuick3DSceneRootNode;
class QQuick3DSceneRenderer;
class QQuick3DRenderStats;
class QQuick3DSceneManager;
class SGFramebufferObjectNode;
class QQuick3DSGRenderNode;
class QQuick3DSGDirectRenderer;
class Q_QUICK3D_EXPORT QQuick3DViewport : public QQuickItem
{
Q_OBJECT
Q_PROPERTY(QQmlListProperty<QObject> data READ data DESIGNABLE false FINAL)
Q_PROPERTY(QQuick3DCamera *camera READ camera WRITE setCamera NOTIFY cameraChanged FINAL)
Q_PROPERTY(QQuick3DSceneEnvironment *environment READ environment WRITE setEnvironment NOTIFY environmentChanged FINAL)
Q_PROPERTY(QQuick3DNode *scene READ scene NOTIFY sceneChanged)
Q_PROPERTY(QQuick3DNode *importScene READ importScene WRITE setImportScene NOTIFY importSceneChanged FINAL)
Q_PROPERTY(RenderMode renderMode READ renderMode WRITE setRenderMode NOTIFY renderModeChanged FINAL)
#if QT_CONFIG(quick_shadereffect)
Q_PROPERTY(QQuickShaderEffectSource::Format renderFormat READ renderFormat WRITE setRenderFormat NOTIFY renderFormatChanged FINAL REVISION(6, 4))
#endif
Q_PROPERTY(QQuick3DRenderStats *renderStats READ renderStats CONSTANT)
Q_PROPERTY(QQmlListProperty<QQuick3DObject> extensions READ extensions FINAL REVISION(6, 6))
Q_PROPERTY(int explicitTextureWidth READ explicitTextureWidth WRITE setExplicitTextureWidth NOTIFY explicitTextureWidthChanged FINAL REVISION(6, 7))
Q_PROPERTY(int explicitTextureHeight READ explicitTextureHeight WRITE setExplicitTextureHeight NOTIFY explicitTextureHeightChanged FINAL REVISION(6, 7))
Q_PROPERTY(QSize effectiveTextureSize READ effectiveTextureSize NOTIFY effectiveTextureSizeChanged FINAL REVISION(6, 7))
Q_CLASSINFO("DefaultProperty", "data")
QML_NAMED_ELEMENT(View3D)
public:
enum RenderMode {
Offscreen,
Underlay,
Overlay,
Inline
};
Q_ENUM(RenderMode)
explicit QQuick3DViewport(QQuickItem *parent = nullptr);
~QQuick3DViewport() override;
QQmlListProperty<QObject> data();
QQuick3DCamera *camera() const;
QQuick3DSceneEnvironment *environment() const;
QQuick3DNode *scene() const;
QQuick3DNode *importScene() const;
RenderMode renderMode() const;
#if QT_CONFIG(quick_shadereffect)
Q_REVISION(6, 4) QQuickShaderEffectSource::Format renderFormat() const;
#endif
QQuick3DRenderStats *renderStats() const;
QQuick3DSceneRenderer *createRenderer() const;
bool isTextureProvider() const override;
QSGTextureProvider *textureProvider() const override;
void releaseResources() override;
Q_INVOKABLE QVector3D mapFrom3DScene(const QVector3D &scenePos) const;
Q_INVOKABLE QVector3D mapTo3DScene(const QVector3D &viewPos) const;
Q_INVOKABLE QQuick3DPickResult pick(float x, float y) const;
Q_REVISION(6, 8) Q_INVOKABLE QQuick3DPickResult pick(float x, float y, QQuick3DModel *model) const;
Q_REVISION(6, 8) Q_INVOKABLE QList<QQuick3DPickResult> pickSubset(float x, float y, const QJSValue &models) const;
Q_REVISION(6, 2) Q_INVOKABLE QList<QQuick3DPickResult> pickAll(float x, float y) const;
Q_REVISION(6, 2) Q_INVOKABLE QQuick3DPickResult rayPick(const QVector3D &origin, const QVector3D &direction) const;
Q_REVISION(6, 2) Q_INVOKABLE QList<QQuick3DPickResult> rayPickAll(const QVector3D &origin, const QVector3D &direction) const;
void processPointerEventFromRay(const QVector3D &origin, const QVector3D &direction, QPointerEvent *event) const;
bool singlePointPick(QSinglePointEvent *event, const QVector3D &origin, const QVector3D &direction);
Q_REVISION(6, 8) Q_INVOKABLE void setTouchpoint(QQuickItem *target, const QPointF &position, int pointId, bool active);
QQuick3DLightmapBaker *maybeLightmapBaker();
QQuick3DLightmapBaker *lightmapBaker();
Q_INVOKABLE void bakeLightmap();
QQmlListProperty<QQuick3DObject> extensions();
Q_REVISION(6, 7) int explicitTextureWidth() const;
Q_REVISION(6, 7) int explicitTextureHeight() const;
Q_REVISION(6, 7) QSize effectiveTextureSize() const;
// Private helpers
[[nodiscard]] bool extensionListDirty() const { return m_extensionListDirty; }
[[nodiscard]] const QList<QQuick3DObject *> &extensionList() const { return m_extensions; }
void clearExtensionListDirty() { m_extensionListDirty = false; }
Q_REVISION(6, 7) Q_INVOKABLE void rebuildExtensionList();
enum class PrivateInstanceType : quint8 { XrViewInstance = 1 };
explicit QQuick3DViewport(PrivateInstanceType type, QQuickItem *parent = nullptr);
[[nodiscard]] bool isXrViewInstance() const { return m_isXrViewInstance; }
static void updateCameraForLayer(const QQuick3DViewport &view3D, QSSGRenderLayer &layerNode);
protected:
void geometryChange(const QRectF &newGeometry, const QRectF &oldGeometry) override;
QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *) override;
void itemChange(QQuickItem::ItemChange change, const QQuickItem::ItemChangeData &value) override;
bool event(QEvent *) override;
void componentComplete() override;
public Q_SLOTS:
void setCamera(QQuick3DCamera *camera);
void setEnvironment(QQuick3DSceneEnvironment * environment);
void setImportScene(QQuick3DNode *inScene);
void setRenderMode(QQuick3DViewport::RenderMode renderMode);
#if QT_CONFIG(quick_shadereffect)
Q_REVISION(6, 4) void setRenderFormat(QQuickShaderEffectSource::Format format);
#endif
Q_REVISION(6, 7) void setExplicitTextureWidth(int width);
Q_REVISION(6, 7) void setExplicitTextureHeight(int height);
void cleanupDirectRenderer();
// Setting this true enables picking for all the models, regardless of
// the models pickable property.
void setGlobalPickingEnabled(bool isEnabled);
private Q_SLOTS:
void invalidateSceneGraph();
void updateInputProcessing();
void onReleaseCachedResources();
Q_SIGNALS:
void cameraChanged();
void environmentChanged();
void sceneChanged();
void importSceneChanged();
void renderModeChanged();
Q_REVISION(6, 4) void renderFormatChanged();
Q_REVISION(6, 7) void explicitTextureWidthChanged();
Q_REVISION(6, 7) void explicitTextureHeightChanged();
Q_REVISION(6, 7) void effectiveTextureSizeChanged();
private:
void setMultiViewCameras(QQuick3DCamera **firstCamera, int count);
template <size_t N>
void setMultiViewCameras(QQuick3DCamera *(&cameras)[N])
{
static_assert(N > 1, "Use setCamera for single view");
setMultiViewCameras(cameras, N);
}
friend class QQuick3DExtensionListHelper;
friend class QQuick3DXrManager;
friend class QQuick3DXrManagerPrivate;
friend class QQuick3DRenderLayerHelpers;
Q_DISABLE_COPY(QQuick3DViewport)
struct SubsceneInfo {
QQuick3DObject* obj = nullptr;
QVarLengthArray<QPointF, 16> eventPointScenePositions;
};
QQuick3DSceneRenderer *getRenderer() const;
void updateDynamicTextures();
QSGNode *setupOffscreenRenderer(QSGNode *node);
QSGNode *setupInlineRenderer(QSGNode *node);
void setupDirectRenderer(RenderMode mode);
bool checkIsVisible() const;
bool internalPick(QPointerEvent *event, const QVector3D &origin = QVector3D(), const QVector3D &direction = QVector3D()) const;
QPair<QQuickItem *, QPointF> getItemAndPosition(const QSSGRenderPickResult &pickResult);
QVarLengthArray<QSSGRenderPickResult, 20> getPickResults(QQuick3DSceneRenderer *renderer, const QVector3D &origin, const QVector3D &direction) const;
QVarLengthArray<QSSGRenderPickResult, 20> getPickResults(QQuick3DSceneRenderer *renderer, const QEventPoint &eventPoint) const;
bool forwardEventToSubscenes(QPointerEvent *event,
bool useRayPicking,
QQuick3DSceneRenderer *renderer,
const QFlatMap<QQuickItem *, SubsceneInfo> &visitedSubscenes) const;
void processPickedObject(const QSSGRenderPickResult &pickResult,
int pointIndex,
QPointerEvent *event,
QFlatMap<QQuickItem *, SubsceneInfo> &vistedSubscenes) const;
QQuickItem *getSubSceneRootItem(QQuick3DMaterial *material) const;
QQuick3DPickResult getNearestPickResult(const QVarLengthArray<QSSGRenderPickResult, 20> &pickResults) const;
QQuick3DPickResult processPickResult(const QSSGRenderPickResult &pickResult) const;
QQuick3DObject *findFrontendNode(const QSSGRenderGraphObject *backendObject) const;
QQuick3DSceneManager *findChildSceneManager(QQuick3DObject *inObject, QQuick3DSceneManager *manager = nullptr);
QQuick3DCamera *m_camera = nullptr;
QVarLengthArray<QQuick3DCamera *, 2> m_multiViewCameras;
QQuick3DSceneEnvironment *m_environment = nullptr;
mutable QPointer<QQuick3DSceneEnvironment> m_builtInEnvironment;
QQuick3DSceneRootNode *m_sceneRoot = nullptr;
QQuick3DNode *m_importScene = nullptr;
mutable SGFramebufferObjectNode *m_node = nullptr;
mutable QQuick3DSGRenderNode *m_renderNode = nullptr;
mutable QQuick3DSGDirectRenderer *m_directRenderer = nullptr;
bool m_renderModeDirty = false;
RenderMode m_renderMode = Offscreen;
#if QT_CONFIG(quick_shadereffect)
QQuickShaderEffectSource::Format m_renderFormat = QQuickShaderEffectSource::RGBA8;
#endif
int m_explicitTextureWidth = 0;
int m_explicitTextureHeight = 0;
QSize m_effectiveTextureSize;
float m_widthMultiplier = 1.0f;
float m_heightMultiplier = 1.0f;
QQuick3DRenderStats *m_renderStats = nullptr;
bool m_enableInputProcessing = false;
QQuick3DLightmapBaker *m_lightmapBaker = nullptr;
QList<QQuick3DObject *> m_extensions;
bool m_extensionListDirty = false;
bool m_isXrViewInstance = false;
struct TouchState {
QQuickItem *target = nullptr;
QPointF position;
bool isPressed = false;
};
QPointingDevice *m_syntheticTouchDevice = nullptr;
QVarLengthArray<TouchState, 2> m_touchState{2};
QPointer<QQuickItem> m_prevMouseItem = nullptr;
QPointF m_prevMousePos;
Q_QUICK3D_PROFILE_ID
};
QT_END_NAMESPACE
#endif // QSSGVIEW3D_H
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