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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
**
****************************************************************************/
#ifndef QSGD3D12RENDERER_P_H
#define QSGD3D12RENDERER_P_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 <private/qsgrenderer_p.h>
#include <QtGui/private/qdatabuffer_p.h>
#include <QtCore/qbitarray.h>
#include "qsgd3d12engine_p.h"
#include "qsgd3d12material_p.h"
QT_BEGIN_NAMESPACE
class QSGRenderNode;
class QSGD3D12Renderer : public QSGRenderer
{
public:
QSGD3D12Renderer(QSGRenderContext *context);
~QSGD3D12Renderer();
void renderScene(GLuint fboId) override;
void render() override;
void nodeChanged(QSGNode *node, QSGNode::DirtyState state) override;
void turnToLayerRenderer() { m_layerRenderer = true; }
private:
void updateMatrices(QSGNode *node, QSGTransformNode *xform);
void updateOpacities(QSGNode *node, float inheritedOpacity);
void buildRenderList(QSGNode *node, QSGClipNode *clip);
void renderElements();
void renderElement(int elementIndex);
void setInputLayout(const QSGGeometry *g, QSGD3D12PipelineState *pipelineState);
void setupClipping(const QSGClipNode *clip, int elementIndex);
void setScissor(const QRect &r);
void renderStencilClip(const QSGClipNode *clip, int elementIndex, const QMatrix4x4 &m, quint32 &stencilValue);
void renderRenderNode(QSGRenderNode *node, int elementIndex);
struct Element {
QSGNode *node = nullptr;
qint32 vboOffset = -1;
qint32 iboOffset = -1;
quint32 iboStride = 0;
qint32 cboOffset = -1;
quint32 cboSize = 0;
bool cboPrepared = false;
};
void queueDrawCall(const QSGGeometry *g, const Element &e);
bool m_layerRenderer = false;
QSet<QSGNode *> m_dirtyTransformNodes;
QSet<QSGNode *> m_dirtyOpacityNodes;
QBitArray m_opaqueElements;
bool m_rebuild = true;
bool m_dirtyOpaqueElements = true;
QDataBuffer<quint8> m_vboData;
QDataBuffer<quint8> m_iboData;
QDataBuffer<quint8> m_cboData;
QDataBuffer<Element> m_renderList;
uint m_vertexBuf = 0;
uint m_indexBuf = 0;
uint m_constantBuf = 0;
QSGD3D12Engine *m_engine = nullptr;
QSGMaterialType *m_lastMaterialType = nullptr;
QSGD3D12PipelineState m_pipelineState;
QSGD3D12PipelineState m_freshPipelineState;
typedef QHash<QSGNode *, QSGD3D12MaterialRenderState::DirtyStates> NodeDirtyMap;
NodeDirtyMap m_nodeDirtyMap;
QRect m_activeScissorRect;
QRect m_lastDeviceRect;
bool m_projectionChangedDueToDeviceSize;
uint m_renderTarget = 0;
quint32 m_currentStencilValue;
enum ClipType {
ClipScissor = 0x1,
ClipStencil = 0x2
};
int m_currentClipTypes;
};
QT_END_NAMESPACE
#endif // QSGD3D12RENDERER_P_H
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