1// Copyright (C) 2016 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#ifndef QSGABSTRACTRENDERER_P_H
5#define QSGABSTRACTRENDERER_P_H
6
7//
8// W A R N I N G
9// -------------
10//
11// This file is not part of the Qt API. It exists purely as an
12// implementation detail. This header file may change from version to
13// version without notice, or even be removed.
14//
15// We mean it.
16//
17
18#include <QtQuick/private/qtquickglobal_p.h>
19#include <QtQuick/qsgnode.h>
20#include <QtCore/qobject.h>
21
22#ifndef GLuint
23#define GLuint uint
24#endif
25
26QT_BEGIN_NAMESPACE
27
28class QSGAbstractRendererPrivate;
29
30class Q_QUICK_PRIVATE_EXPORT QSGAbstractRenderer : public QObject
31{
32 Q_OBJECT
33public:
34 enum ClearModeBit
35 {
36 ClearColorBuffer = 0x0001,
37 ClearDepthBuffer = 0x0002,
38 ClearStencilBuffer = 0x0004
39 };
40 Q_DECLARE_FLAGS(ClearMode, ClearModeBit)
41 Q_FLAG(ClearMode)
42
43 enum MatrixTransformFlag
44 {
45 MatrixTransformFlipY = 0x01
46 };
47 Q_DECLARE_FLAGS(MatrixTransformFlags, MatrixTransformFlag)
48 Q_FLAG(MatrixTransformFlags)
49
50 ~QSGAbstractRenderer() override;
51
52 void setRootNode(QSGRootNode *node);
53 QSGRootNode *rootNode() const;
54 void setDeviceRect(const QRect &rect);
55 inline void setDeviceRect(const QSize &size) { setDeviceRect(QRect(QPoint(), size)); }
56 QRect deviceRect() const;
57
58 void setViewportRect(const QRect &rect);
59 inline void setViewportRect(const QSize &size) { setViewportRect(QRect(QPoint(), size)); }
60 QRect viewportRect() const;
61
62 void setProjectionMatrixToRect(const QRectF &rect);
63 void setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags);
64 void setProjectionMatrixToRect(const QRectF &rect, MatrixTransformFlags flags,
65 bool nativeNDCFlipY);
66 void setProjectionMatrix(const QMatrix4x4 &matrix);
67 void setProjectionMatrixWithNativeNDC(const QMatrix4x4 &matrix);
68 QMatrix4x4 projectionMatrix() const;
69 QMatrix4x4 projectionMatrixWithNativeNDC() const;
70
71 void setClearColor(const QColor &color);
72 QColor clearColor() const;
73
74 void setClearMode(ClearMode mode);
75 ClearMode clearMode() const;
76
77 virtual void renderScene() = 0;
78
79 virtual void prepareSceneInline();
80 virtual void renderSceneInline();
81
82Q_SIGNALS:
83 void sceneGraphChanged();
84
85protected:
86 explicit QSGAbstractRenderer(QObject *parent = nullptr);
87 virtual void nodeChanged(QSGNode *node, QSGNode::DirtyState state) = 0;
88
89private:
90 Q_DECLARE_PRIVATE(QSGAbstractRenderer)
91 friend class QSGRootNode;
92};
93
94Q_DECLARE_OPERATORS_FOR_FLAGS(QSGAbstractRenderer::ClearMode)
95
96QT_END_NAMESPACE
97
98#endif
99

source code of qtdeclarative/src/quick/scenegraph/coreapi/qsgabstractrenderer_p.h