adding preabandon flag to DM

src/gpu/effects/GrTextureStripAtlas.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrTextureStripAtlas.h"
 #include "SkPixelRef.h"
@@ skipping 74 matching lines @@
 }
 
 GrTextureStripAtlas::~GrTextureStripAtlas() {
     SkDELETE_ARRAY(fRows);
 }
 
 int GrTextureStripAtlas::lockRow(const SkBitmap& data) {
     VALIDATE;
     if (0 == fLockedRows) {
         this->lockTexture();
+        if (!fTexture) {
+            return -1;
+        }
     }
 
     int key = data.getGenerationID();
     int rowNumber = -1;
     int index = this->searchByKey(key);
 
     if (index >= 0) {
         // We already have the data in a row, so we can just return that row
         AtlasRow* row = fKeyTable[index];
         if (0 == row->fLocks) {
@@ skipping 92 matching lines @@
 
     static const GrUniqueKey::Domain kDomain = GrUniqueKey::GenerateDomain();
     GrUniqueKey key;
     GrUniqueKey::Builder builder(&key, kDomain, 1);
     builder[0] = static_cast<uint32_t>(fCacheKey);
     builder.finish();
 
     fTexture = fDesc.fContext->findAndRefCachedTexture(key);
     if (NULL == fTexture) {
         fTexture = fDesc.fContext->createTexture(texDesc, true, NULL, 0);
+        if (!fTexture) {
+            return;
+        }
         fDesc.fContext->addResourceToCache(key, fTexture);
         // This is a new texture, so all of our cache info is now invalid
         this->initLRU();
         fKeyTable.rewind();
     }
     SkASSERT(fTexture);
 }
 
 void GrTextureStripAtlas::unlockTexture() {
     SkASSERT(fTexture && 0 == fLockedRows);
@@ skipping 121 matching lines @@
 
     // If we have locked rows, we should have a locked texture, otherwise
     // it should be unlocked
     if (fLockedRows == 0) {
         SkASSERT(NULL == fTexture);
     } else {
         SkASSERT(fTexture);
     }
 }
 #endif