cc/resource_update_queue.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/resource_update_queue.h"
   6
   7 #include "cc/prioritized_resource.h"
   8
   9 namespace cc {
  10
  11 ResourceUpdateQueue::ResourceUpdateQueue()
  12 {
  13 }
  14
  15 ResourceUpdateQueue::~ResourceUpdateQueue()
  16 {
  17 }
  18
  19 void ResourceUpdateQueue::appendFullUpload(const ResourceUpdate& upload)
  20 {
  21     m_fullEntries.push_back(upload);
  22 }
  23
  24 void ResourceUpdateQueue::appendPartialUpload(const ResourceUpdate& upload)
  25 {
  26     m_partialEntries.push_back(upload);
  27 }
  28
  29 void ResourceUpdateQueue::appendCopy(TextureCopier::Parameters copy)
  30 {
  31     m_copyEntries.push_back(copy);
  32 }
  33
  34 void ResourceUpdateQueue::clearUploadsToEvictedResources()
  35 {
  36     clearUploadsToEvictedResources(m_fullEntries);
  37     clearUploadsToEvictedResources(m_partialEntries);
  38 }
  39
  40 void ResourceUpdateQueue::clearUploadsToEvictedResources(std::deque<ResourceUpdate>& entryQueue)
  41 {
  42     std::deque<ResourceUpdate> temp;
  43     entryQueue.swap(temp);
  44     while (temp.size()) {
  45         ResourceUpdate upload = temp.front();
  46         temp.pop_front();
  47         if (!upload.texture->backingResourceWasEvicted())
  48             entryQueue.push_back(upload);
  49     }
  50 }
  51
  52 ResourceUpdate ResourceUpdateQueue::takeFirstFullUpload()
  53 {
  54     ResourceUpdate first = m_fullEntries.front();
  55     m_fullEntries.pop_front();
  56     return first;
  57 }
  58
  59 ResourceUpdate ResourceUpdateQueue::takeFirstPartialUpload()
  60 {
  61     ResourceUpdate first = m_partialEntries.front();
  62     m_partialEntries.pop_front();
  63     return first;
  64 }
  65
  66 TextureCopier::Parameters ResourceUpdateQueue::takeFirstCopy()
  67 {
  68     TextureCopier::Parameters first = m_copyEntries.front();
  69     m_copyEntries.pop_front();
  70     return first;
  71 }
  72
  73 bool ResourceUpdateQueue::hasMoreUpdates() const
  74 {
  75     return m_fullEntries.size() || m_partialEntries.size() || m_copyEntries.size();
  76 }
  77
  78 }  // namespace cc