"NULL !=" = NULL

src/gpu/gl/mesa/SkMesaGLContext.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/osmesa.h>
 
 #include "gl/SkMesaGLContext.h"
 #include "gl/GrGLDefines.h"
 
 SkMesaGLContext::AutoContextRestore::AutoContextRestore() {
     fOldContext = (Context)OSMesaGetCurrentContext();
-    if (NULL != (OSMesaContext)fOldContext) {
+    if (fOldContext) {
         OSMesaGetColorBuffer((OSMesaContext)fOldContext,
                               &fOldWidth, &fOldHeight,
                               &fOldFormat, &fOldImage);
     }
 }
 
 SkMesaGLContext::AutoContextRestore::~AutoContextRestore() {
-    if (NULL != (OSMesaContext)fOldContext) {
+    if (fOldContext) {
         OSMesaMakeCurrent((OSMesaContext)fOldContext, fOldImage,
                           fOldFormat, fOldWidth, fOldHeight);
     }
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 
 SkMesaGLContext::SkMesaGLContext()
     : fContext(static_cast<Context>(NULL))
     , fImage(NULL) {
@@ skipping 68 matching lines @@
 void SkMesaGLContext::makeCurrent() const {
     if (fContext) {
         if (!OSMesaMakeCurrent((OSMesaContext)fContext, fImage,
                                GR_GL_UNSIGNED_BYTE, gBOGUS_SIZE, gBOGUS_SIZE)) {
             SkDebugf("Could not make MESA context current.");
         }
     }
 }
 
 void SkMesaGLContext::swapBuffers() const { }