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 running tests, ensure that main() is calling "
  25       << "gfx::GLSurface::InitializeOneOffForTests()";
  26
  27 #if defined(OS_CHROMEOS)
  28   bool use_thread = !CommandLine::ForCurrentProcess()->HasSwitch(
  29       switches::kUIDisableThreadedCompositing);
  30 #else
  31   bool use_thread = false;
  32 #endif
  33   if (use_thread) {
  34     compositor_thread_.reset(new base::Thread("Browser Compositor"));
  35     compositor_thread_->Start();
  36   }
  37 }
  38
  39 InProcessContextFactory::~InProcessContextFactory() {}
  40
  41 scoped_ptr<cc::OutputSurface> InProcessContextFactory::CreateOutputSurface(
  42     Compositor* compositor,
  43     bool software_fallback) {
  44   DCHECK(!software_fallback);
  45   blink::WebGraphicsContext3D::Attributes attrs;
  46   attrs.depth = false;
  47   attrs.stencil = false;
  48   attrs.antialias = false;
  49   attrs.shareResources = true;
  50   bool lose_context_when_out_of_memory = true;
  51
  52   using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl;
  53   scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d(
  54       WebGraphicsContext3DInProcessCommandBufferImpl::CreateViewContext(
  55           attrs, lose_context_when_out_of_memory, compositor->widget()));
  56   CHECK(context3d);
  57
  58   using webkit::gpu::ContextProviderInProcess;
  59   scoped_refptr<ContextProviderInProcess> context_provider =
  60       ContextProviderInProcess::Create(context3d.Pass(), "UICompositor");
  61
  62   return make_scoped_ptr(new cc::OutputSurface(context_provider));
  63 }
  64
  65 scoped_refptr<Reflector> InProcessContextFactory::CreateReflector(
  66     Compositor* mirroed_compositor,
  67     Layer* mirroring_layer) {
  68   return new Reflector();
  69 }
  70
  71 void InProcessContextFactory::RemoveReflector(
  72     scoped_refptr<Reflector> reflector) {}
  73
  74 scoped_refptr<cc::ContextProvider>
  75 InProcessContextFactory::SharedMainThreadContextProvider() {
  76   if (shared_main_thread_contexts_.get() &&
  77       !shared_main_thread_contexts_->DestroyedOnMainThread())
  78     return shared_main_thread_contexts_;
  79
  80   bool lose_context_when_out_of_memory = false;
  81   shared_main_thread_contexts_ =
  82       webkit::gpu::ContextProviderInProcess::CreateOffscreen(
  83           lose_context_when_out_of_memory);
  84   if (shared_main_thread_contexts_.get() &&
  85       !shared_main_thread_contexts_->BindToCurrentThread())
  86     shared_main_thread_contexts_ = NULL;
  87
  88   return shared_main_thread_contexts_;
  89 }
  90
  91 void InProcessContextFactory::RemoveCompositor(Compositor* compositor) {}
  92
  93 bool InProcessContextFactory::DoesCreateTestContexts() { return false; }
  94
  95 cc::SharedBitmapManager* InProcessContextFactory::GetSharedBitmapManager() {
  96   return shared_bitmap_manager_.get();
  97 }
  98
  99 base::MessageLoopProxy* InProcessContextFactory::GetCompositorMessageLoop() {
 100   if (!compositor_thread_)
 101     return NULL;
 102   return compositor_thread_->message_loop_proxy().get();
 103 }
 104
 105 }  // namespace ui