cc/HeadsUpDisplayLayerChromium.cpp

   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 "HeadsUpDisplayLayerChromium.h"
   8
   9 #include "CCHeadsUpDisplayLayerImpl.h"
  10 #include "CCLayerTreeHost.h"
  11 #include "TraceEvent.h"
  12
  13 namespace cc {
  14
  15 scoped_refptr<HeadsUpDisplayLayerChromium> HeadsUpDisplayLayerChromium::create()
  16 {
  17     return make_scoped_refptr(new HeadsUpDisplayLayerChromium());
  18 }
  19
  20 HeadsUpDisplayLayerChromium::HeadsUpDisplayLayerChromium()
  21     : LayerChromium()
  22 {
  23
  24     setBounds(IntSize(512, 128));
  25 }
  26
  27 HeadsUpDisplayLayerChromium::~HeadsUpDisplayLayerChromium()
  28 {
  29 }
  30
  31 void HeadsUpDisplayLayerChromium::update(CCTextureUpdateQueue&, const CCOcclusionTracker*, CCRenderingStats&)
  32 {
  33     const CCLayerTreeSettings& settings = layerTreeHost()->settings();
  34     int maxTextureSize = layerTreeHost()->rendererCapabilities().maxTextureSize;
  35
  36     IntSize bounds;
  37     if (settings.showPlatformLayerTree || settings.showDebugRects()) {
  38         bounds.setWidth(std::min(maxTextureSize, layerTreeHost()->deviceViewportSize().width()));
  39         bounds.setHeight(std::min(maxTextureSize, layerTreeHost()->deviceViewportSize().height()));
  40     } else {
  41         bounds.setWidth(512);
  42         bounds.setHeight(128);
  43     }
  44
  45     setBounds(bounds);
  46 }
  47
  48 bool HeadsUpDisplayLayerChromium::drawsContent() const
  49 {
  50     return true;
  51 }
  52
  53 void HeadsUpDisplayLayerChromium::setFontAtlas(scoped_ptr<CCFontAtlas> fontAtlas)
  54 {
  55     m_fontAtlas = fontAtlas.Pass();
  56     setNeedsCommit();
  57 }
  58
  59 PassOwnPtr<CCLayerImpl> HeadsUpDisplayLayerChromium::createCCLayerImpl()
  60 {
  61     return CCHeadsUpDisplayLayerImpl::create(m_layerId);
  62 }
  63
  64 void HeadsUpDisplayLayerChromium::pushPropertiesTo(CCLayerImpl* layerImpl)
  65 {
  66     LayerChromium::pushPropertiesTo(layerImpl);
  67
  68     if (!m_fontAtlas.get())
  69         return;
  70
  71     CCHeadsUpDisplayLayerImpl* hudLayerImpl = static_cast<CCHeadsUpDisplayLayerImpl*>(layerImpl);
  72     hudLayerImpl->setFontAtlas(m_fontAtlas.Pass());
  73 }
  74
  75 }