Allow deleted resources to be used

gpu/command_buffer/service/buffer_manager.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "gpu/command_buffer/service/buffer_manager.h"
 #include "base/logging.h"
 #include "gpu/command_buffer/common/gles2_cmd_utils.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
 
 namespace gpu {
@@ skipping 48 matching lines @@
       target_(0),
       size_(0),
       usage_(GL_STATIC_DRAW),
       shadowed_(false) {
 }
 
 BufferManager::BufferInfo::~BufferInfo() { }
 
 void BufferManager::BufferInfo::SetInfo(
     GLsizeiptr size, GLenum usage, bool shadow) {
-  DCHECK(!IsDeleted());
   usage_ = usage;
   if (size != size_ || shadow != shadowed_) {
     shadowed_ = shadow;
     size_ = size;
     ClearCache();
     if (shadowed_) {
       shadow_.reset(new int8[size]);
       memset(shadow_.get(), 0, size);
     }
   }
 }
 
 bool BufferManager::BufferInfo::SetRange(
     GLintptr offset, GLsizeiptr size, const GLvoid * data) {
-  DCHECK(!IsDeleted());
   if (offset < 0 || offset + size < offset || offset + size > size_) {
     return false;
   }
   if (shadowed_) {
     memcpy(shadow_.get() + offset, data, size);
     ClearCache();
   }
   return true;
 }
 
@@ skipping 21 matching lines @@
   for (; element < end; ++element) {
     if (*element > max_value) {
       max_value = *element;
     }
   }
   return max_value;
 }
 
 bool BufferManager::BufferInfo::GetMaxValueForRange(
     GLuint offset, GLsizei count, GLenum type, GLuint* max_value) {
-  DCHECK(!IsDeleted());
   Range range(offset, count, type);
   RangeToMaxValueMap::iterator it = range_set_.find(range);
   if (it != range_set_.end()) {
     *max_value = it->second;
     return true;
   }
 
   uint32 size;
   if (!SafeMultiplyUint32(
       count, GLES2Util::GetGLTypeSizeForTexturesAndBuffers(type), &size)) {
@@ skipping 71 matching lines @@
   if (info->target() == 0) {
     info->set_target(target);
   }
   return true;
 }
 
 }  // namespace gles2
 }  // namespace gpu