void QEGLPlatformContext::adopt(const QVariant &nativeHandle, QPlatformOpenGLContext *share)
{
if (!nativeHandle.canConvert<QEGLNativeContext>()) {
qWarning("QEGLPlatformContext: Requires a QEGLNativeContext");
return;
}
QEGLNativeContext handle = nativeHandle.value<QEGLNativeContext>();
EGLContext context = handle.context();
if (!context) {
qWarning("QEGLPlatformContext: No EGLContext given");
return;
}
// A context belonging to a given EGLDisplay cannot be used with another one.
if (handle.display() != m_eglDisplay) {
qWarning("QEGLPlatformContext: Cannot adopt context from different display");
return;
}
// Figure out the EGLConfig.
EGLint value = 0;
eglQueryContext(m_eglDisplay, context, EGL_CONFIG_ID, &value);
EGLint n = 0;
EGLConfig cfg;
const EGLint attribs[] = { EGL_CONFIG_ID, value, EGL_NONE };
if (eglChooseConfig(m_eglDisplay, attribs, &cfg, 1, &n) && n == 1) {
m_eglConfig = cfg;
m_format = q_glFormatFromConfig(m_eglDisplay, m_eglConfig);
} else {
qWarning("QEGLPlatformContext: Failed to get framebuffer configuration for context");
}
// Fetch client API type.
value = 0;
eglQueryContext(m_eglDisplay, context, EGL_CONTEXT_CLIENT_TYPE, &value);
if (value == EGL_OPENGL_API || value == EGL_OPENGL_ES_API) {
m_api = value;
eglBindAPI(m_api);
} else {
qWarning("QEGLPlatformContext: Failed to get client API type");
m_api = EGL_OPENGL_ES_API;
}
m_eglContext = context;
m_shareContext = share ? static_cast<QEGLPlatformContext *>(share)->m_eglContext : 0;
updateFormatFromGL();
}
void QEGLPlatformContext::initialize()
{
updateFormatFromGL();
}
void QEGLPlatformContext::initialize()
{
if (m_eglContext != EGL_NO_CONTEXT)
updateFormatFromGL();
}