LCOV - app.info - gfx/layers/ipc/CompositorParent.cpp

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: | 2012-07-07 | 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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