LCOV - code coverage report
Current view: directory - gfx/layers/ipc - CompositorParent.cpp (source / functions) Found Hit Coverage
Test: app.info Lines: 57 0 0.0 %
Date: 2012-06-02 Functions: 11 0 0.0 %

       1                 : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2                 : /* vim: set sw=2 ts=2 et tw=80 : */
       3                 : /* ***** BEGIN LICENSE BLOCK *****
       4                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       5                 :  *
       6                 :  * The contents of this file are subject to the Mozilla Public License Version
       7                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       8                 :  * the License. You may obtain a copy of the License at
       9                 :  * http://www.mozilla.org/MPL/
      10                 :  *
      11                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      12                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      13                 :  * for the specific language governing rights and limitations under the
      14                 :  * License.
      15                 :  *
      16                 :  * The Original Code is Mozilla Content App.
      17                 :  *
      18                 :  * The Initial Developer of the Original Code is
      19                 :  *   The Mozilla Foundation.
      20                 :  * Portions created by the Initial Developer are Copyright (C) 2011
      21                 :  * the Initial Developer. All Rights Reserved.
      22                 :  *
      23                 :  * Contributor(s):
      24                 :  *   Benoit Girard <bgirard@mozilla.com>
      25                 :  *   Ali Juma <ajuma@mozilla.com>
      26                 :  *
      27                 :  * Alternatively, the contents of this file may be used under the terms of
      28                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      29                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      30                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      31                 :  * of those above. If you wish to allow use of your version of this file only
      32                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      33                 :  * use your version of this file under the terms of the MPL, indicate your
      34                 :  * decision by deleting the provisions above and replace them with the notice
      35                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      36                 :  * the provisions above, a recipient may use your version of this file under
      37                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      38                 :  *
      39                 :  * ***** END LICENSE BLOCK ***** */
      40                 : 
      41                 : #include "CompositorParent.h"
      42                 : #include "RenderTrace.h"
      43                 : #include "ShadowLayersParent.h"
      44                 : #include "LayerManagerOGL.h"
      45                 : #include "nsIWidget.h"
      46                 : 
      47                 : namespace mozilla {
      48                 : namespace layers {
      49                 : 
      50               0 : CompositorParent::CompositorParent(nsIWidget* aWidget)
      51               0 :   : mStopped(false), mWidget(aWidget)
      52                 : {
      53               0 :   MOZ_COUNT_CTOR(CompositorParent);
      54               0 : }
      55                 : 
      56               0 : CompositorParent::~CompositorParent()
      57                 : {
      58               0 :   MOZ_COUNT_DTOR(CompositorParent);
      59               0 : }
      60                 : 
      61                 : void
      62               0 : CompositorParent::Destroy()
      63                 : {
      64               0 :   NS_ABORT_IF_FALSE(ManagedPLayersParent().Length() == 0,
      65                 :                     "CompositorParent destroyed before managed PLayersParent");
      66                 : 
      67                 :   // Ensure that the layer manager is destroyed on the compositor thread.
      68               0 :   mLayerManager = NULL;
      69               0 : }
      70                 : 
      71                 : bool
      72               0 : CompositorParent::RecvStop()
      73                 : {
      74               0 :   mStopped = true;
      75               0 :   Destroy();
      76               0 :   return true;
      77                 : }
      78                 : 
      79                 : void
      80               0 : CompositorParent::ScheduleComposition()
      81                 : {
      82               0 :   CancelableTask *composeTask = NewRunnableMethod(this, &CompositorParent::Composite);
      83               0 :   MessageLoop::current()->PostTask(FROM_HERE, composeTask);
      84                 : 
      85                 : #ifdef MOZ_RENDERTRACE
      86                 :   Layer* aLayer = mLayerManager->GetRoot();
      87                 :   mozilla::layers::RenderTraceLayers(aLayer, "0000");
      88                 : #endif
      89                 : 
      90               0 : }
      91                 : 
      92                 : void
      93               0 : CompositorParent::Composite()
      94                 : {
      95               0 :   if (mStopped || !mLayerManager) {
      96               0 :     return;
      97                 :   }
      98                 : 
      99               0 :   mLayerManager->EndEmptyTransaction();
     100                 : }
     101                 : 
     102                 : // Go down shadow layer tree, setting properties to match their non-shadow
     103                 : // counterparts.
     104                 : static void
     105               0 : SetShadowProperties(Layer* aLayer)
     106                 : {
     107                 :   // FIXME: Bug 717688 -- Do these updates in ShadowLayersParent::RecvUpdate.
     108               0 :   ShadowLayer* shadow = aLayer->AsShadowLayer();
     109               0 :   shadow->SetShadowTransform(aLayer->GetTransform());
     110               0 :   shadow->SetShadowVisibleRegion(aLayer->GetVisibleRegion());
     111               0 :   shadow->SetShadowClipRect(aLayer->GetClipRect());
     112                 : 
     113               0 :   for (Layer* child = aLayer->GetFirstChild();
     114                 :       child; child = child->GetNextSibling()) {
     115               0 :     SetShadowProperties(child);
     116                 :   }
     117               0 : }
     118                 : 
     119                 : void
     120               0 : CompositorParent::ShadowLayersUpdated()
     121                 : {
     122               0 :   const nsTArray<PLayersParent*>& shadowParents = ManagedPLayersParent();
     123               0 :   NS_ABORT_IF_FALSE(shadowParents.Length() <= 1,
     124                 :                     "can only support at most 1 ShadowLayersParent");
     125               0 :   if (shadowParents.Length()) {
     126               0 :     Layer* root = static_cast<ShadowLayersParent*>(shadowParents[0])->GetRoot();
     127               0 :     mLayerManager->SetRoot(root);
     128               0 :     SetShadowProperties(root);
     129                 :   }
     130               0 :   ScheduleComposition();
     131               0 : }
     132                 : 
     133                 : PLayersParent*
     134               0 : CompositorParent::AllocPLayers(const LayersBackend &backendType)
     135                 : {
     136               0 :   if (backendType == LayerManager::LAYERS_OPENGL) {
     137               0 :     nsRefPtr<LayerManagerOGL> layerManager = new LayerManagerOGL(mWidget);
     138               0 :     mWidget = NULL;
     139               0 :     mLayerManager = layerManager;
     140                 : 
     141               0 :     if (!layerManager->Initialize()) {
     142               0 :       NS_ERROR("Failed to init OGL Layers");
     143               0 :       return NULL;
     144                 :     }
     145                 : 
     146               0 :     ShadowLayerManager* slm = layerManager->AsShadowManager();
     147               0 :     if (!slm) {
     148               0 :       return NULL;
     149                 :     }
     150               0 :     return new ShadowLayersParent(slm, this);
     151                 :   } else {
     152               0 :     NS_ERROR("Unsupported backend selected for Async Compositor");
     153               0 :     return NULL;
     154                 :   }
     155                 : }
     156                 : 
     157                 : bool
     158               0 : CompositorParent::DeallocPLayers(PLayersParent* actor)
     159                 : {
     160               0 :   delete actor;
     161               0 :   return true;
     162                 : }
     163                 : 
     164                 : } // namespace layers
     165                 : } // namespace mozilla
     166                 : 

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