git-svn-id: svn://db.shs.com.ru/libs@286 a8b55f48-bf90-11e4-a774-851b48703e85

qglview/glframebuffer.cpp

@@ -42,6 +42,9 @@ GLFramebuffer::~GLFramebuffer() {
 
 void GLFramebuffer::resize(int width, int height, bool force) {
 	if ((wid == width) && (hei == height) && !force) return;
+#if QT_VERSION >= 0x050600
+	initializeOpenGLFunctions();
+#endif
 	wid = width;
 	hei = height;
 	deleteGLFramebuffer(fbo);
@@ -88,6 +91,9 @@ QImage GLFramebuffer::grab() const {
 void GLFramebuffer::bind() {
 	if (is_changed) resize(wid, hei);
 	if (fbo == 0) return;
+#if QT_VERSION >= 0x050600
+	initializeOpenGLFunctions();
+#endif
 	glFlush();
 	glGetIntegerv(GL_VIEWPORT, prev_view);
 	//glClearError();