"NULL !=" = NULL

src/gpu/gl/unix/SkNativeGLContext_unix.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "gl/SkNativeGLContext.h"
 
 #include <GL/glu.h>
 
 /* Note: Skia requires glx 1.3 or newer */
 
 SkNativeGLContext::AutoContextRestore::AutoContextRestore() {
     fOldGLXContext = glXGetCurrentContext();
     fOldDisplay = glXGetCurrentDisplay();
     fOldDrawable = glXGetCurrentDrawable();
 }
 
 SkNativeGLContext::AutoContextRestore::~AutoContextRestore() {
-    if (NULL != fOldDisplay) {
+    if (fOldDisplay) {
         glXMakeCurrent(fOldDisplay, fOldDrawable, fOldGLXContext);
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 static bool ctxErrorOccurred = false;
 static int ctxErrorHandler(Display *dpy, XErrorEvent *ev) {
     ctxErrorOccurred = true;
     return 0;
@@ skipping 247 matching lines @@
 
 void SkNativeGLContext::makeCurrent() const {
     if (!glXMakeCurrent(fDisplay, fGlxPixmap, fContext)) {
         SkDebugf("Could not set the context.\n");
     }
 }
 
 void SkNativeGLContext::swapBuffers() const {
     glXSwapBuffers(fDisplay, fGlxPixmap);
 }