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// Copyright (C) 2023 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QSSGRENDEREXTENSIIONS_H
#define QSSGRENDEREXTENSIIONS_H
//
// W A R N I N G
// -------------
//
// This file is part of the QtQuick3D API, with limited compatibility guarantees.
// Usage of this API may make your code source and binary incompatible with
// future versions of Qt.
//
#include <QtQuick3DRuntimeRender/qtquick3druntimerenderexports.h>
#include <ssg/qssgrenderbasetypes.h>
#include <ssg/qssgrendergraphobject.h>
#include <ssg/qssgrhicontext.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
class QSSGRenderContextInterface;
class QSSGLayerRenderData;
class QRhiTexture;
class QRhiRenderBuffer;
class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGFrameData
{
public:
enum class RenderResult : quint32
{
AoTexture,
DepthTexture,
ScreenTexture,
NormalTexture,
MotionVectorTexture,
};
Q_DECLARE_FLAGS(RenderResults, RenderResult)
enum class AttachmentSelector : quint32
{
Attachment0 = 0,
Attachment1 = 1,
Attachment2 = 2,
Attachment3 = 3,
};
struct Result
{
QRhiTexture *texture = nullptr;
QRhiRenderBuffer *buffer = nullptr;
};
using TypeMask = QSSGRenderGraphObject::TypeT;
static constexpr TypeMask NodeMask = QSSGRenderGraphObject::BaseType::Node;
void scheduleRenderResults(RenderResults results) const;
Result getRenderResult(RenderResult id) const;
Result getRenderResult(QSSGResourceId userPassId, AttachmentSelector attachment) const;
qsizetype getAttachmentCount(QSSGResourceId userPassId) const;
[[nodiscard]] QSSGRhiGraphicsPipelineState getPipelineState() const;
[[nodiscard]] QSSGCameraId activeCamera() const;
[[nodiscard]] QSSGRenderContextInterface *contextInterface() const;
[[nodiscard]] QSSGNodeIdList getLayerNodes(quint32 layerMask, TypeMask typeMask = NodeMask) const;
[[nodiscard]] QSSGNodeIdList getLayerNodes(QSSGCameraId cameraId, TypeMask typeMask = NodeMask) const;
private:
friend class QSSGLayerRenderData;
friend class QSSGRenderOutputProviderExtension;
void clear();
[[nodiscard]] QSSGLayerRenderData *getCurrent() const;
void scheduleRenderResults(QSSGResourceId userPassId) const;
QSSGFrameData() = default;
explicit QSSGFrameData(QSSGRenderContextInterface *ctx);
QSSGRenderContextInterface *m_ctx = nullptr;
};
class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGRenderExtension : public QSSGRenderGraphObject
{
public:
enum class RenderMode
{
Standalone,
Main
};
enum class RenderStage
{
PreColor,
PostColor
};
QSSGRenderExtension();
virtual ~QSSGRenderExtension();
virtual bool prepareData(QSSGFrameData &data) = 0;
virtual void prepareRender(QSSGFrameData &data) = 0;
virtual void render(QSSGFrameData &data) = 0;
virtual void resetForFrame() = 0;
virtual RenderMode mode() const = 0;
virtual RenderStage stage() const = 0;
protected:
QSSGRenderExtension(Type inType, FlagT inFlags);
};
class Q_QUICK3DRUNTIMERENDER_EXPORT QSSGRenderTextureProviderExtension : public QSSGRenderExtension
{
public:
QSSGRenderTextureProviderExtension();
~QSSGRenderTextureProviderExtension() override;
RenderMode mode() const final;
RenderStage stage() const final;
};
QT_END_NAMESPACE
#endif // QSSGRENDEREXTENSIIONS_H
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