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50
51#ifndef OPENGLRENDERER_H
52#define OPENGLRENDERER_H
53
54#include <qsgrendernode.h>
55#include <QQuickItem>
56
57#if QT_CONFIG(opengl)
58
59QT_BEGIN_NAMESPACE
60
61class QOpenGLShaderProgram;
62class QOpenGLBuffer;
63
64QT_END_NAMESPACE
65
66//! [1]
67class OpenGLRenderNode : public QSGRenderNode
68{
69public:
70 ~OpenGLRenderNode();
71
72 void render(const RenderState *state) override;
73 void releaseResources() override;
74 StateFlags changedStates() const override;
75 RenderingFlags flags() const override;
76 QRectF rect() const override;
77//! [1]
78
79 void sync(QQuickItem *item);
80
81private:
82 void init();
83
84 int m_width = 0;
85 int m_height = 0;
86 QOpenGLShaderProgram *m_program = nullptr;
87 int m_matrixUniform;
88 int m_opacityUniform;
89 QOpenGLBuffer *m_vbo = nullptr;
90};
91
92#endif // opengl
93
94#endif
95

source code of qtdeclarative/examples/quick/scenegraph/rendernode/openglrenderer.h