cc/scoped_texture.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 "config.h"
   6
   7 #include "CCScopedTexture.h"
   8
   9 namespace cc {
  10
  11 CCScopedTexture::CCScopedTexture(CCResourceProvider* resourceProvider)
  12     : m_resourceProvider(resourceProvider)
  13 {
  14     ASSERT(m_resourceProvider);
  15 }
  16
  17 CCScopedTexture::~CCScopedTexture()
  18 {
  19     free();
  20 }
  21
  22 bool CCScopedTexture::allocate(int pool, const IntSize& size, GC3Denum format, CCResourceProvider::TextureUsageHint hint)
  23 {
  24     ASSERT(!id());
  25     ASSERT(!size.isEmpty());
  26
  27     setDimensions(size, format);
  28     setId(m_resourceProvider->createResource(pool, size, format, hint));
  29
  30 #if !ASSERT_DISABLED
  31     m_allocateThreadIdentifier = base::PlatformThread::CurrentId();
  32 #endif
  33
  34     return id();
  35 }
  36
  37 void CCScopedTexture::free()
  38 {
  39     if (id()) {
  40         ASSERT(m_allocateThreadIdentifier == base::PlatformThread::CurrentId());
  41         m_resourceProvider->deleteResource(id());
  42     }
  43     setId(0);
  44 }
  45
  46 void CCScopedTexture::leak()
  47 {
  48     setId(0);
  49 }
  50
  51 }