ui/compositor/test/in_process_context_factory.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 "ui/compositor/test/in_process_context_factory.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/threading/thread.h"
   9 #include "cc/output/output_surface.h"
  10 #include "cc/test/test_shared_bitmap_manager.h"
  11 #include "ui/compositor/compositor_switches.h"
  12 #include "ui/compositor/reflector.h"
  13 #include "ui/gl/gl_implementation.h"
  14 #include "ui/gl/gl_surface.h"
  15 #include "webkit/common/gpu/context_provider_in_process.h"
  16 #include "webkit/common/gpu/grcontext_for_webgraphicscontext3d.h"
  17 #include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
  18
  19 namespace ui {
  20
  21 InProcessContextFactory::InProcessContextFactory()
  22     : shared_bitmap_manager_(new cc::TestSharedBitmapManager()) {
  23   DCHECK_NE(gfx::GetGLImplementation(), gfx::kGLImplementationNone);
  24 #if defined(OS_CHROMEOS)
  25   bool use_thread = !CommandLine::ForCurrentProcess()->HasSwitch(
  26       switches::kUIDisableThreadedCompositing);
  27 #else
  28   bool use_thread = false;
  29 #endif
  30   if (use_thread) {
  31     compositor_thread_.reset(new base::Thread("Browser Compositor"));
  32     compositor_thread_->Start();
  33   }
  34 }
  35
  36 InProcessContextFactory::~InProcessContextFactory() {}
  37
  38 scoped_ptr<cc::OutputSurface> InProcessContextFactory::CreateOutputSurface(
  39     Compositor* compositor,
  40     bool software_fallback) {
  41   DCHECK(!software_fallback);
  42   blink::WebGraphicsContext3D::Attributes attrs;
  43   attrs.depth = false;
  44   attrs.stencil = false;
  45   attrs.antialias = false;
  46   attrs.shareResources = true;
  47   bool lose_context_when_out_of_memory = true;
  48
  49   using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl;
  50   scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d(
  51       WebGraphicsContext3DInProcessCommandBufferImpl::CreateViewContext(
  52           attrs, lose_context_when_out_of_memory, compositor->widget()));
  53   CHECK(context3d);
  54
  55   using webkit::gpu::ContextProviderInProcess;
  56   scoped_refptr<ContextProviderInProcess> context_provider =
  57       ContextProviderInProcess::Create(context3d.Pass(), "UICompositor");
  58
  59   return make_scoped_ptr(new cc::OutputSurface(context_provider));
  60 }
  61
  62 scoped_refptr<Reflector> InProcessContextFactory::CreateReflector(
  63     Compositor* mirroed_compositor,
  64     Layer* mirroring_layer) {
  65   return new Reflector();
  66 }
  67
  68 void InProcessContextFactory::RemoveReflector(
  69     scoped_refptr<Reflector> reflector) {}
  70
  71 scoped_refptr<cc::ContextProvider>
  72 InProcessContextFactory::SharedMainThreadContextProvider() {
  73   if (shared_main_thread_contexts_ &&
  74       !shared_main_thread_contexts_->DestroyedOnMainThread())
  75     return shared_main_thread_contexts_;
  76
  77   bool lose_context_when_out_of_memory = false;
  78   shared_main_thread_contexts_ =
  79       webkit::gpu::ContextProviderInProcess::CreateOffscreen(
  80           lose_context_when_out_of_memory);
  81   if (shared_main_thread_contexts_ &&
  82       !shared_main_thread_contexts_->BindToCurrentThread())
  83     shared_main_thread_contexts_ = NULL;
  84
  85   return shared_main_thread_contexts_;
  86 }
  87
  88 void InProcessContextFactory::RemoveCompositor(Compositor* compositor) {}
  89
  90 bool InProcessContextFactory::DoesCreateTestContexts() { return false; }
  91
  92 cc::SharedBitmapManager* InProcessContextFactory::GetSharedBitmapManager() {
  93   return shared_bitmap_manager_.get();
  94 }
  95
  96 base::MessageLoopProxy* InProcessContextFactory::GetCompositorMessageLoop() {
  97   if (!compositor_thread_)
  98     return NULL;
  99   return compositor_thread_->message_loop_proxy();
 100 }
 101
 102 }  // namespace ui