QGLXContext::QGLXContext(Window window, QXcbScreen *screen, const QPlatformWindowFormat &format)
: QPlatformGLContext()
, m_screen(screen)
, m_drawable((Drawable)window)
, m_context(0)
{
Q_XCB_NOOP(m_screen->connection());
const QPlatformGLContext *sharePlatformContext;
sharePlatformContext = format.sharedGLContext();
GLXContext shareGlxContext = 0;
if (sharePlatformContext)
shareGlxContext = static_cast<const QGLXContext*>(sharePlatformContext)->glxContext();
GLXFBConfig config = qglx_findConfig(DISPLAY_FROM_XCB(screen),screen->screenNumber(),format);
m_context = glXCreateNewContext(DISPLAY_FROM_XCB(screen), config, GLX_RGBA_TYPE, shareGlxContext, TRUE);
m_windowFormat = qglx_platformWindowFromGLXFBConfig(DISPLAY_FROM_XCB(screen), config, m_context);
Q_XCB_NOOP(m_screen->connection());
}
QWaylandGLContext::QWaylandGLContext(EGLDisplay eglDisplay, const QPlatformWindowFormat &format)
: QPlatformGLContext()
, mEglDisplay(eglDisplay)
, mSurface(EGL_NO_SURFACE)
, mConfig(q_configFromQPlatformWindowFormat(mEglDisplay,format,true))
, mFormat(qt_qPlatformWindowFormatFromConfig(mEglDisplay,mConfig))
{
QPlatformGLContext *sharePlatformContext = 0;
sharePlatformContext = format.sharedGLContext();
mFormat.setSharedContext(sharePlatformContext);
EGLContext shareEGLContext = EGL_NO_CONTEXT;
if (sharePlatformContext)
shareEGLContext = static_cast<const QWaylandGLContext*>(sharePlatformContext)->mContext;
eglBindAPI(EGL_OPENGL_ES_API);
QVector<EGLint> eglContextAttrs;
eglContextAttrs.append(EGL_CONTEXT_CLIENT_VERSION);
eglContextAttrs.append(2);
eglContextAttrs.append(EGL_NONE);
mContext = eglCreateContext(mEglDisplay, mConfig,
shareEGLContext, eglContextAttrs.constData());
}
QPlatformGLContext *QXlibWindow::glContext() const
{
if (!QApplicationPrivate::platformIntegration()->hasCapability(QPlatformIntegration::OpenGL))
return 0;
if (!mGLContext) {
QXlibWindow *that = const_cast<QXlibWindow *>(this);
#if !defined(QT_NO_OPENGL)
#if !defined(QT_OPENGL_ES_2)
that->mGLContext = new QGLXContext(x_window, mScreen,widget()->platformWindowFormat());
#else
EGLDisplay display = mScreen->eglDisplay();
QPlatformWindowFormat windowFormat = correctColorBuffers(widget()->platformWindowFormat());
EGLConfig config = q_configFromQPlatformWindowFormat(display,windowFormat);
QVector<EGLint> eglContextAttrs;
eglContextAttrs.append(EGL_CONTEXT_CLIENT_VERSION);
eglContextAttrs.append(2);
eglContextAttrs.append(EGL_NONE);
EGLSurface eglSurface = eglCreateWindowSurface(display,config,(EGLNativeWindowType)x_window,0);
that->mGLContext = new QEGLPlatformContext(display, config, eglContextAttrs.data(), eglSurface, EGL_OPENGL_ES_API, static_cast<QEGLPlatformContext *>(windowFormat.sharedGLContext()));
#endif
#endif
}
return mGLContext;
}