cc/debug/ordered_texture_map.cc

   1 // Copyright 2013 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/debug/ordered_texture_map.h"
   6
   7 #include "base/logging.h"
   8 #include "cc/debug/test_texture.h"
   9
  10 namespace cc {
  11
  12 OrderedTextureMap::OrderedTextureMap() {}
  13
  14 OrderedTextureMap::~OrderedTextureMap() {}
  15
  16 void OrderedTextureMap::Append(WebKit::WebGLId id,
  17                                scoped_refptr<TestTexture> texture) {
  18   DCHECK(texture.get());
  19   DCHECK(!ContainsId(id));
  20
  21   textures_[id] = texture;
  22   ordered_textures_.push_back(id);
  23 }
  24
  25 void OrderedTextureMap::Replace(WebKit::WebGLId id,
  26                                 scoped_refptr<TestTexture> texture) {
  27   DCHECK(texture.get());
  28   DCHECK(ContainsId(id));
  29
  30   textures_[id] = texture;
  31 }
  32
  33 void OrderedTextureMap::Remove(WebKit::WebGLId id) {
  34   TextureMap::iterator map_it = textures_.find(id);
  35   DCHECK(map_it != textures_.end());
  36   textures_.erase(map_it);
  37
  38   TextureList::iterator list_it =
  39       std::find(ordered_textures_.begin(), ordered_textures_.end(), id);
  40   DCHECK(list_it != ordered_textures_.end());
  41   ordered_textures_.erase(list_it);
  42 }
  43
  44 size_t OrderedTextureMap::Size() { return ordered_textures_.size(); }
  45
  46 bool OrderedTextureMap::ContainsId(WebKit::WebGLId id) {
  47   return textures_.find(id) != textures_.end();
  48 }
  49
  50 scoped_refptr<TestTexture> OrderedTextureMap::TextureForId(WebKit::WebGLId id) {
  51   DCHECK(ContainsId(id));
  52   scoped_refptr<TestTexture> texture = textures_[id];
  53   DCHECK(texture.get());
  54   return texture;
  55 }
  56
  57 WebKit::WebGLId OrderedTextureMap::IdAt(size_t index) {
  58   DCHECK(index < Size());
  59   return ordered_textures_[index];
  60 }
  61
  62 }  // namespace cc