Blackberry: Cannot create shared egl contexts.

Currently the share context is always set to
EGL_NO_CONTEXT when it should instead query the
share handle from the QOpenGlContext and pass that
to the eglCreateContext call.

Change-Id: Ia7e32574e1427fba0f919003e5367cfc98688d9d
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>

1 files changed, 9 insertions, 1 deletions

diff --git a/src/plugins/platforms/qnx/qqnxglcontext.cpp b/src/plugins/platforms/qnx/qqnxglcontext.cpp
index 355f52c46e..34e8150928 100644
--- a/src/plugins/platforms/qnx/qqnxglcontext.cpp
+++ b/src/plugins/platforms/qnx/qqnxglcontext.cpp
@@ -124,7 +124,15 @@ QQnxGLContext::QQnxGLContext(QOpenGLContext *glContext)
     if (m_eglConfig == 0)
         qFatal("QQnxGLContext: failed to find EGL config");
 
-    m_eglContext = eglCreateContext(ms_eglDisplay, m_eglConfig, EGL_NO_CONTEXT, contextAttrs());
+    EGLContext shareContext = EGL_NO_CONTEXT;
+    if (m_glContext) {
+        QQnxGLContext *qshareContext = dynamic_cast<QQnxGLContext*>(m_glContext->shareHandle());
+        if (qshareContext) {
+            shareContext = qshareContext->m_eglContext;
+        }
+    }
+
+    m_eglContext = eglCreateContext(ms_eglDisplay, m_eglConfig, shareContext, contextAttrs());
     if (m_eglContext == EGL_NO_CONTEXT) {
         checkEGLError("eglCreateContext");
         qFatal("QQnxGLContext: failed to create EGL context, err=%d", eglGetError());