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39 | |
40 | #ifndef QEGLPLATFORMCONTEXT_H |
41 | #define QEGLPLATFORMCONTEXT_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 <QtCore/qtextstream.h> |
55 | #include <qpa/qplatformwindow.h> |
56 | #include <qpa/qplatformopenglcontext.h> |
57 | #include <QtCore/QVariant> |
58 | #include <QtEglSupport/private/qt_egl_p.h> |
59 | |
60 | QT_BEGIN_NAMESPACE |
61 | |
62 | class QEGLPlatformContext : public QPlatformOpenGLContext |
63 | { |
64 | public: |
65 | enum Flag { |
66 | NoSurfaceless = 0x01 |
67 | }; |
68 | Q_DECLARE_FLAGS(Flags, Flag) |
69 | |
70 | QEGLPlatformContext(const QSurfaceFormat &format, QPlatformOpenGLContext *share, EGLDisplay display, |
71 | EGLConfig *config = nullptr, const QVariant &nativeHandle = QVariant(), |
72 | Flags flags = { }); |
73 | ~QEGLPlatformContext(); |
74 | |
75 | void initialize() override; |
76 | bool makeCurrent(QPlatformSurface *surface) override; |
77 | void doneCurrent() override; |
78 | void swapBuffers(QPlatformSurface *surface) override; |
79 | QFunctionPointer getProcAddress(const char *procName) override; |
80 | |
81 | QSurfaceFormat format() const override; |
82 | bool isSharing() const override { return m_shareContext != EGL_NO_CONTEXT; } |
83 | bool isValid() const override { return m_eglContext != EGL_NO_CONTEXT; } |
84 | |
85 | EGLContext eglContext() const; |
86 | EGLDisplay eglDisplay() const; |
87 | EGLConfig eglConfig() const; |
88 | |
89 | protected: |
90 | virtual EGLSurface eglSurfaceForPlatformSurface(QPlatformSurface *surface) = 0; |
91 | virtual EGLSurface createTemporaryOffscreenSurface(); |
92 | virtual void destroyTemporaryOffscreenSurface(EGLSurface surface); |
93 | virtual void runGLChecks(); |
94 | |
95 | private: |
96 | void init(const QSurfaceFormat &format, QPlatformOpenGLContext *share); |
97 | void adopt(const QVariant &nativeHandle, QPlatformOpenGLContext *share); |
98 | void updateFormatFromGL(); |
99 | |
100 | EGLContext m_eglContext; |
101 | EGLContext m_shareContext; |
102 | EGLDisplay m_eglDisplay; |
103 | EGLConfig m_eglConfig; |
104 | QSurfaceFormat m_format; |
105 | EGLenum m_api; |
106 | int m_swapInterval; |
107 | bool m_swapIntervalEnvChecked; |
108 | int m_swapIntervalFromEnv; |
109 | Flags m_flags; |
110 | bool m_ownsContext; |
111 | QVector<EGLint> m_contextAttrs; |
112 | }; |
113 | |
114 | Q_DECLARE_OPERATORS_FOR_FLAGS(QEGLPlatformContext::Flags) |
115 | |
116 | QT_END_NAMESPACE |
117 | |
118 | #endif //QEGLPLATFORMCONTEXT_H |
119 | |