cc/scoped_resource.cc

   1 // Copyright 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "cc/scoped_resource.h"
   6
   7 namespace cc {
   8
   9 ScopedResource::ScopedResource(ResourceProvider* resource_provider)
  10     : resource_provider_(resource_provider) {
  11   DCHECK(resource_provider_);
  12 }
  13
  14 ScopedResource::~ScopedResource() {
  15   Free();
  16 }
  17
  18 bool ScopedResource::Allocate(int pool, const gfx::Size& size, GLenum format,
  19                               ResourceProvider::TextureUsageHint hint) {
  20   DCHECK(!id());
  21   DCHECK(!size.IsEmpty());
  22
  23   set_dimensions(size, format);
  24   set_id(resource_provider_->createResource(pool, size, format, hint));
  25
  26 #ifndef NDEBUG
  27   allocate_thread_id_ = base::PlatformThread::CurrentId();
  28 #endif
  29
  30   return id();
  31 }
  32
  33 void ScopedResource::Free() {
  34   if (id()) {
  35 #ifndef NDEBUG
  36     DCHECK(allocate_thread_id_ == base::PlatformThread::CurrentId());
  37 #endif
  38     resource_provider_->deleteResource(id());
  39   }
  40   set_id(0);
  41 }
  42
  43 void ScopedResource::Leak() {
  44   set_id(0);
  45 }
  46
  47 }  // namespace cc