"NULL !=" = NULL

src/gpu/gl/GrGLBufferImpl.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrGLBufferImpl.h"
 #include "GrGpuGL.h"
 
@@ skipping 20 matching lines @@
         fCPUData = NULL;
         // We assume that the GL buffer was created at the desc's size initially.
         fGLSizeInBytes = fDesc.fSizeInBytes;
     }
     VALIDATE();
 }
 
 void GrGLBufferImpl::release(GrGpuGL* gpu) {
     VALIDATE();
     // make sure we've not been abandoned or already released
-    if (NULL != fCPUData) {
+    if (fCPUData) {
         sk_free(fCPUData);
         fCPUData = NULL;
     } else if (fDesc.fID && !fDesc.fIsWrapped) {
         GL_CALL(gpu, DeleteBuffers(1, &fDesc.fID));
         if (GR_GL_ARRAY_BUFFER == fBufferType) {
             gpu->notifyVertexBufferDelete(fDesc.fID);
         } else {
             SkASSERT(GR_GL_ELEMENT_ARRAY_BUFFER == fBufferType);
             gpu->notifyIndexBufferDelete(fDesc.fID);
         }
@@ skipping 98 matching lines @@
                 this->bind(gpu);
                 GR_GL_CALL(gpu->glInterface(), UnmapBufferSubData(fMapPtr));
                 break;
         }
     }
     fMapPtr = NULL;
 }
 
 bool GrGLBufferImpl::isMapped() const {
     VALIDATE();
-    return NULL != fMapPtr;
+    return SkToBool(fMapPtr);
 }
 
 bool GrGLBufferImpl::updateData(GrGpuGL* gpu, const void* src, size_t srcSizeInBytes) {
     SkASSERT(!this->isMapped());
     VALIDATE();
     if (srcSizeInBytes > fDesc.fSizeInBytes) {
         return false;
     }
     if (0 == fDesc.fID) {
         memcpy(fCPUData, src, srcSizeInBytes);
@@ skipping 40 matching lines @@
         fGLSizeInBytes = srcSizeInBytes;
         GL_CALL(gpu, BufferData(fBufferType, fGLSizeInBytes, src, usage));
     }
 #endif
     return true;
 }
 
 void GrGLBufferImpl::validate() const {
     SkASSERT(GR_GL_ARRAY_BUFFER == fBufferType || GR_GL_ELEMENT_ARRAY_BUFFER == fBufferType);
     // The following assert isn't valid when the buffer has been abandoned:
-    // SkASSERT((0 == fDesc.fID) == (NULL != fCPUData));
+    // SkASSERT((0 == fDesc.fID) == (fCPUData));
     SkASSERT(0 != fDesc.fID || !fDesc.fIsWrapped);
     SkASSERT(NULL == fCPUData || 0 == fGLSizeInBytes);
-    SkASSERT(NULL == fMapPtr || NULL != fCPUData || fGLSizeInBytes == fDesc.fSizeInBytes);
+    SkASSERT(NULL == fMapPtr || fCPUData || fGLSizeInBytes == fDesc.fSizeInBytes);
     SkASSERT(NULL == fCPUData || NULL == fMapPtr || fCPUData == fMapPtr);
 }