From a66d4cd82972996d76edff52d17464c150dec6a6 Mon Sep 17 00:00:00 2001
From: Samuli Piippo <samuli.piippo@qt.io>
Date: Mon, 11 Jun 2018 16:16:55 +0300
Subject: Add fallback lookup for eglGetProcAddress

Use the GLContext to find address for eglGetProcAddress symbol, if it's
not found with dlopen.

Change-Id: I3f5330c21ecc9b66e5e376d50d3fc6965b227f85
Reviewed-by: Michal Klocek <michal.klocek@qt.io>
---
 src/core/gl_context_qt.cpp | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'src/core/gl_context_qt.cpp')

diff --git a/src/core/gl_context_qt.cpp b/src/core/gl_context_qt.cpp
index 9ed1db8ba..954917094 100644
--- a/src/core/gl_context_qt.cpp
+++ b/src/core/gl_context_qt.cpp
@@ -155,6 +155,17 @@ QFunctionPointer GLContextHelper::getGlXGetProcAddress()
     return get_proc_address;
 }
 
+QFunctionPointer GLContextHelper::getEglGetProcAddress()
+{
+     QFunctionPointer get_proc_address = nullptr;
+#ifndef QT_NO_OPENGL
+    if (QOpenGLContext *context = qt_gl_global_share_context()) {
+        get_proc_address = context->getProcAddress("eglGetProcAddress");
+    }
+#endif
+    return get_proc_address;
+}
+
 QT_END_NAMESPACE
 
 #if defined(USE_OZONE) || defined(OS_WIN)
-- 
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