1 files changed, 4 insertions, 3 deletions
diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
index 16a7aacf20..8f43a906c0 100644
--- a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
+++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h
@@ -57,6 +57,7 @@
 #include <private/qgl_p.h>
 #include <qglshaderprogram.h>
 #include <qglframebufferobject.h>
+#include <qopenglfunctions.h>
 
 // #define QT_GL_TEXTURE_GLYPH_CACHE_DEBUG
 
@@ -73,7 +74,7 @@ struct QGLGlyphTexture : public QOpenGLSharedResource
         , m_height(0)
     {
         if (ctx && QGLFramebufferObject::hasOpenGLFramebufferObjects() && !ctx->d_ptr->workaround_brokenFBOReadBack)
-            glGenFramebuffers(1, &m_fbo);
+            ctx->contextHandle()->functions()->glGenFramebuffers(1, &m_fbo);
 
 #ifdef QT_GL_TEXTURE_GLYPH_CACHE_DEBUG
         qDebug(" -> QGLGlyphTexture() %p for context %p.", this, ctx);
@@ -88,8 +89,8 @@ struct QGLGlyphTexture : public QOpenGLSharedResource
 #else
         Q_UNUSED(ctx);
 #endif
-        if (m_fbo)
-            glDeleteFramebuffers(1, &m_fbo);
+        if (ctx && m_fbo)
+            ctx->contextHandle()->functions()->glDeleteFramebuffers(1, &m_fbo);
         if (m_width || m_height)
             glDeleteTextures(1, &m_texture);
     }