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39
40#ifndef QGLPIXELBUFFER_P_H
41#define QGLPIXELBUFFER_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include "QtOpenGL/qglpixelbuffer.h"
55#include <private/qgl_p.h>
56#include <private/qglpaintdevice_p.h>
57
58QT_BEGIN_NAMESPACE
59
60class QEglContext;
61class QOpenGLFramebufferObject;
62
63class QGLPBufferGLPaintDevice : public QGLPaintDevice
64{
65public:
66 QPaintEngine* paintEngine() const override {return pbuf->paintEngine();}
67 QSize size() const override {return pbuf->size();}
68 QGLContext* context() const override;
69 void beginPaint() override;
70 void endPaint() override;
71 void setPBuffer(QGLPixelBuffer* pb);
72 void setFbo(GLuint fbo);
73private:
74 QGLPixelBuffer* pbuf;
75};
76
77class QGLPixelBufferPrivate {
78 Q_DECLARE_PUBLIC(QGLPixelBuffer)
79public:
80 QGLPixelBufferPrivate(QGLPixelBuffer *q) : q_ptr(q), invalid(true), qctx(nullptr), widget(nullptr), fbo(nullptr), blit_fbo(nullptr), pbuf(nullptr), ctx(nullptr)
81 {
82 }
83 bool init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget);
84 void common_init(const QSize &size, const QGLFormat &f, QGLWidget *shareWidget);
85 bool cleanup();
86
87 QGLPixelBuffer *q_ptr;
88 bool invalid;
89 QGLContext *qctx;
90 QGLPBufferGLPaintDevice glDevice;
91 QGLWidget *widget;
92 QOpenGLFramebufferObject *fbo;
93 QOpenGLFramebufferObject *blit_fbo;
94 QGLFormat format;
95
96 QGLFormat req_format;
97 QPointer<QGLWidget> req_shareWidget;
98 QSize req_size;
99
100 //stubs
101 void *pbuf;
102 void *ctx;
103};
104
105QT_END_NAMESPACE
106
107#endif // QGLPIXELBUFFER_P_H
108