src/android_webview/browser/shared_renderer_state.cc

   1 // Copyright 2014 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 "android_webview/browser/shared_renderer_state.h"
   6
   7 #include "android_webview/browser/browser_view_renderer_client.h"
   8 #include "base/bind.h"
   9 #include "base/location.h"
  10
  11 namespace android_webview {
  12
  13 DrawGLInput::DrawGLInput() : width(0), height(0) {
  14 }
  15
  16 DrawGLInput::~DrawGLInput() {
  17 }
  18
  19 SharedRendererState::SharedRendererState(
  20     scoped_refptr<base::MessageLoopProxy> ui_loop,
  21     BrowserViewRendererClient* client)
  22     : ui_loop_(ui_loop),
  23       client_on_ui_(client),
  24       weak_factory_on_ui_thread_(this),
  25       ui_thread_weak_ptr_(weak_factory_on_ui_thread_.GetWeakPtr()),
  26       hardware_allowed_(false),
  27       share_context_(NULL) {
  28   DCHECK(ui_loop_->BelongsToCurrentThread());
  29   DCHECK(client_on_ui_);
  30 }
  31
  32 SharedRendererState::~SharedRendererState() {
  33   DCHECK(ui_loop_->BelongsToCurrentThread());
  34 }
  35
  36 void SharedRendererState::ClientRequestDrawGL() {
  37   if (ui_loop_->BelongsToCurrentThread()) {
  38     ClientRequestDrawGLOnUIThread();
  39   } else {
  40     ui_loop_->PostTask(
  41         FROM_HERE,
  42         base::Bind(&SharedRendererState::ClientRequestDrawGLOnUIThread,
  43                    ui_thread_weak_ptr_));
  44   }
  45 }
  46
  47 void SharedRendererState::ClientRequestDrawGLOnUIThread() {
  48   DCHECK(ui_loop_->BelongsToCurrentThread());
  49   if (!client_on_ui_->RequestDrawGL(NULL, false)) {
  50     LOG(ERROR) << "Failed to request GL process. Deadlock likely";
  51   }
  52 }
  53
  54 void SharedRendererState::SetDrawGLInput(scoped_ptr<DrawGLInput> input) {
  55   base::AutoLock lock(lock_);
  56   DCHECK(!draw_gl_input_.get());
  57   draw_gl_input_ = input.Pass();
  58 }
  59
  60 scoped_ptr<DrawGLInput> SharedRendererState::PassDrawGLInput() {
  61   base::AutoLock lock(lock_);
  62   return draw_gl_input_.Pass();
  63 }
  64
  65 void SharedRendererState::SetHardwareAllowed(bool allowed) {
  66   base::AutoLock lock(lock_);
  67   hardware_allowed_ = allowed;
  68 }
  69
  70 bool SharedRendererState::IsHardwareAllowed() const {
  71   base::AutoLock lock(lock_);
  72   return hardware_allowed_;
  73 }
  74
  75 void SharedRendererState::SetSharedContext(gpu::GLInProcessContext* context) {
  76   base::AutoLock lock(lock_);
  77   DCHECK(!share_context_ || !context);
  78   share_context_ = context;
  79 }
  80
  81 gpu::GLInProcessContext* SharedRendererState::GetSharedContext() const {
  82   base::AutoLock lock(lock_);
  83   DCHECK(share_context_);
  84   return share_context_;
  85 }
  86
  87 void SharedRendererState::InsertReturnedResources(
  88     const cc::ReturnedResourceArray& resources) {
  89   base::AutoLock lock(lock_);
  90   returned_resources_.insert(
  91       returned_resources_.end(), resources.begin(), resources.end());
  92 }
  93
  94 void SharedRendererState::SwapReturnedResources(
  95     cc::ReturnedResourceArray* resources) {
  96   DCHECK(resources->empty());
  97   base::AutoLock lock(lock_);
  98   resources->swap(returned_resources_);
  99 }
 100
 101 bool SharedRendererState::ReturnedResourcesEmpty() const {
 102   base::AutoLock lock(lock_);
 103   return returned_resources_.empty();
 104 }
 105
 106 }  // namespace android_webview