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    41 

    42 #ifndef QEGL_P_H

    43 #define QEGL_P_H

    44 

    45 //

    46 //  W A R N I N G

    47 //  -------------

    48 //

    49 // This file is not part of the Qt API.  It exists for the convenience of

    50 // the QtOpenGL and QtOpenVG modules.  This header file may change from

    51 // version to version without notice, or even be removed.

    52 //

    53 // We mean it.

    54 //

    55 

    56 #include <QtCore/qsize.h>

    57 #include <QtGui/qimage.h>

    58 

    59 #include <private/qeglproperties_p.h>

    60 

    61 QT_BEGIN_INCLUDE_NAMESPACE

    62 

    63 #if !defined(EGL_VERSION_1_3) && !defined(QEGL_NATIVE_TYPES_DEFINED)

    64 #undef EGLNativeWindowType

    65 #undef EGLNativePixmapType

    66 #undef EGLNativeDisplayType

    67 typedef NativeWindowType EGLNativeWindowType;

    68 typedef NativePixmapType EGLNativePixmapType;

    69 typedef NativeDisplayType EGLNativeDisplayType;

    70 #define QEGL_NATIVE_TYPES_DEFINED 1

    71 #endif

    72 QT_END_INCLUDE_NAMESPACE

    73 

    74 QT_BEGIN_NAMESPACE

    75 

    76 class Q_GUI_EXPORT QEglContext

    77 {

    78 public:

    79     QEglContext();

    80     ~QEglContext();

    81 

    82     bool isValid() const;

    83     bool isCurrent() const;

    84 

    85     QEgl::API api() const { return apiType; }

    86     void setApi(QEgl::API api) { apiType = api; }

    87 

    88     bool openDisplay(QPaintDevice *device);

    89     bool chooseConfig(const QEglProperties& properties, QEgl::PixelFormatMatch match = QEgl::ExactPixelFormat);

    90     bool createContext(QEglContext *shareContext = 0, const QEglProperties *properties = 0);

    91     EGLSurface createSurface(QPaintDevice *device, const QEglProperties *properties = 0);

    92     void destroySurface(EGLSurface surface);

    93 

    94     void destroy();

    95 

    96     bool makeCurrent(EGLSurface surface);

    97     bool doneCurrent();

    98     bool lazyDoneCurrent();

    99     bool swapBuffers(EGLSurface surface);

   100 

   101     void waitNative();

   102     void waitClient();

   103 

   104     bool configAttrib(int name, EGLint *value) const;

   105 

   106     static void clearError() { eglGetError(); }

   107     static EGLint error() { return eglGetError(); }

   108     static QString errorString(EGLint code);

   109 

   110     EGLDisplay display() const { return dpy; }

   111 

   112     EGLContext context() const { return ctx; }

   113     void setContext(EGLContext context) { ctx = context; ownsContext = false;}

   114 

   115     EGLConfig config() const { return cfg; }

   116     void setConfig(EGLConfig config) { cfg = config; }

   117 

   118     QEglProperties configProperties(EGLConfig cfg = 0) const;

   119 

   120     static EGLDisplay defaultDisplay(QPaintDevice *device);

   121 

   122     void dumpAllConfigs();

   123 

   124     static QString extensions();

   125     static bool hasExtension(const char* extensionName);

   126 

   127 private:

   128     QEgl::API apiType;

   129     EGLDisplay dpy;

   130     EGLContext ctx;

   131     EGLConfig cfg;

   132     EGLSurface currentSurface;

   133     bool current;

   134     bool ownsContext;

   135 

   136     static EGLDisplay getDisplay(QPaintDevice *device);

   137 

   138     static QEglContext *currentContext(QEgl::API api);

   139     static void setCurrentContext(QEgl::API api, QEglContext *context);

   140 };

   141 

   142 QT_END_NAMESPACE

   143 

   144 #endif // QEGL_P_H