qssgrendermotionvectormap_p.h

++ // Copyright (C) 2025 The Qt Company Ltd.

++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only

++ // Qt-Security score:significant reason:default

++

++ #ifndef QSSG_RENDER_MOTIONVECTORMAP_H

++ #define QSSG_RENDER_MOTIONVECTORMAP_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 <QtQuick3DRuntimeRender/private/qtquick3druntimerenderglobal_p.h>

++ #include <QtGui/QMatrix4x4>

++ #include <QtGui/QVector3D>

++ #include <QtCore/QHash>

++ #include <QtCore/QByteArray>

++ #include <QtQuick3DUtils/private/qssgrenderbasetypes_p.h>

++ #include <QtQuick3DRuntimeRender/private/qssgrenderableobjects_p.h>

++

++ QT_BEGIN_NAMESPACE

++

++ class QSSGRhiContext;

++ class QSSGRenderContextInterface;

++ class QRhiRenderBuffer;

++ class QRhiTextureRenderTarget;

++ class QRhiRenderPassDescriptor;

++ class QRhiTexture;

++

++ class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGRenderMotionVectorMap

++ {

++     Q_DISABLE_COPY(QSSGRenderMotionVectorMap)

++ public:

++     struct MotionResultData {

++         QMatrix4x4 prevModelViewProjection;

++         QMatrix4x4 prevInstanceLocal;

++         QMatrix4x4 prevInstanceGlobal;

++         QSSGRenderImageTexture prevBoneTexture;

++         QSSGRenderImageTexture prevInstanceTexture;

++         QSSGRenderImageTexture currentMorphWeightTexture;

++         QSSGRenderImageTexture prevMorphWeightTexture;

++     };

++

++     explicit QSSGRenderMotionVectorMap(const QSSGRenderContextInterface &inContext);

++     ~QSSGRenderMotionVectorMap();

++

++     void endFrame();

++     MotionResultData trackMotionData(const void *modelKey,

++                                      const QMatrix4x4 &currentModelViewProjection,

++                                      const QMatrix4x4 &currentInstanceLocal,

++                                      const QMatrix4x4 &currentInstanceGlobal,

++                                      QSSGRenderTextureData *currentBoneTextureData,

++                                      QSSGRenderInstanceTable *currentInstanceTable,

++                                      const QVector<float> &currentMorphWeights);

++

++     void releaseCachedResources();

++

++ private:

++     struct MotionStoreData {

++         QMatrix4x4 prevModelViewProjection;

++         QMatrix4x4 prevInstanceLocal;

++         QMatrix4x4 prevInstanceGlobal;

++         std::shared_ptr<QSSGRenderTextureData> prevBoneTextureData;

++         std::shared_ptr<QSSGRenderTextureData> prevInstanceTextureData;

++         std::shared_ptr<QSSGRenderTextureData> currentMorphWeightTextureData;

++         std::shared_ptr<QSSGRenderTextureData> prevMorphWeightTextureData;

++         QSize lastPrevBoneTextureDataSize;

++         QSize lastPrevInstanceTextureDataSize;

++         QSize lastPrevMorphWeightTextureDataSize;

++         QSize lastCurrentMorphWeightTextureDataSize;

++         int frameAge = 0;

++         bool visitedThisFrame = false;

++         MotionResultData cachedResult;

++     };

++

++     const QSSGRenderContextInterface &m_context;

++     QHash<const void*, MotionStoreData> m_cache;

++

++     void cleanupStaleEntries();

++     void releaseEntryResources(MotionStoreData& entry);

++     QSSGRenderImageTexture loadAndReleaseIfNeeded(const std::shared_ptr<QSSGRenderTextureData>& textureData, QSize lastSize);

++ };

++

++ using QSSGRenderMotionVectorMapPtr = std::shared_ptr<QSSGRenderMotionVectorMap>;

++

++ QT_END_NAMESPACE

++

++ #endif // QSSG_RENDER_MOTIONVECTORMAP_H

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