From f2634c3a48ead400867566a20c2e03b2ec901983 Mon Sep 17 00:00:00 2001
From: Sean Harmer <sean.harmer@kdab.com>
Date: Sat, 11 Jul 2015 09:56:35 +0100
Subject: [PATCH] Fix crash in QOpenGLTexture

Any function using the non-dsa helpers and glTextureParameterf() would
crash as this code path failed to initialize the function pointers.

Task-number: QTBUG-47133
Change-Id: I8970c9693ec471a96b135ae5728ab6407ee06a6f
Reviewed-by: Mike Krus <mike.krus@kdab.com>
Reviewed-by: Giuseppe D'Angelo <giuseppe.dangelo@kdab.com>
---
 src/gui/opengl/qopengltexturehelper.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/gui/opengl/qopengltexturehelper.cpp b/src/gui/opengl/qopengltexturehelper.cpp
index 440fdad081..bf8b514449 100644
--- a/src/gui/opengl/qopengltexturehelper.cpp
+++ b/src/gui/opengl/qopengltexturehelper.cpp
@@ -101,6 +101,8 @@ QOpenGLTextureHelper::QOpenGLTextureHelper(QOpenGLContext *context)
         // Use our own DSA emulation
         TextureParameteri = &QOpenGLTextureHelper::qt_TextureParameteri;
         TextureParameteriv = &QOpenGLTextureHelper::qt_TextureParameteriv;
+        TextureParameterf = &QOpenGLTextureHelper::qt_TextureParameterf;
+        TextureParameterfv = &QOpenGLTextureHelper::qt_TextureParameterfv;
         GenerateTextureMipmap = &QOpenGLTextureHelper::qt_GenerateTextureMipmap;
         TextureStorage3D = &QOpenGLTextureHelper::qt_TextureStorage3D;
         TextureStorage2D = &QOpenGLTextureHelper::qt_TextureStorage2D;