in_process_context_factory.cc revision a1401311d1ab56c4ed0a474bd38c108f75cb0cd9 
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 "cc/output/output_surface.h"
8#include "ui/compositor/reflector.h"
9#include "ui/gl/gl_implementation.h"
10#include "ui/gl/gl_surface.h"
11#include "webkit/common/gpu/context_provider_in_process.h"
12#include "webkit/common/gpu/grcontext_for_webgraphicscontext3d.h"
13#include "webkit/common/gpu/webgraphicscontext3d_in_process_command_buffer_impl.h"
14
15namespace ui {
16
17InProcessContextFactory::InProcessContextFactory() {
18  DCHECK_NE(gfx::GetGLImplementation(), gfx::kGLImplementationNone);
19}
20
21InProcessContextFactory::~InProcessContextFactory() {}
22
23scoped_ptr<cc::OutputSurface> InProcessContextFactory::CreateOutputSurface(
24    Compositor* compositor,
25    bool software_fallback) {
26  DCHECK(!software_fallback);
27  blink::WebGraphicsContext3D::Attributes attrs;
28  attrs.depth = false;
29  attrs.stencil = false;
30  attrs.antialias = false;
31  attrs.shareResources = true;
32
33  using webkit::gpu::WebGraphicsContext3DInProcessCommandBufferImpl;
34  scoped_ptr<WebGraphicsContext3DInProcessCommandBufferImpl> context3d(
35      WebGraphicsContext3DInProcessCommandBufferImpl::CreateViewContext(
36          attrs, compositor->widget()));
37  CHECK(context3d);
38
39  using webkit::gpu::ContextProviderInProcess;
40  scoped_refptr<ContextProviderInProcess> context_provider =
41      ContextProviderInProcess::Create(context3d.Pass(), "UICompositor");
42
43  return make_scoped_ptr(new cc::OutputSurface(context_provider));
44}
45
46scoped_refptr<Reflector> InProcessContextFactory::CreateReflector(
47    Compositor* mirroed_compositor,
48    Layer* mirroring_layer) {
49  return new Reflector();
50}
51
52void InProcessContextFactory::RemoveReflector(
53    scoped_refptr<Reflector> reflector) {}
54
55scoped_refptr<cc::ContextProvider>
56InProcessContextFactory::OffscreenCompositorContextProvider() {
57  if (!offscreen_compositor_contexts_.get() ||
58      !offscreen_compositor_contexts_->DestroyedOnMainThread()) {
59    offscreen_compositor_contexts_ =
60        webkit::gpu::ContextProviderInProcess::CreateOffscreen();
61  }
62  return offscreen_compositor_contexts_;
63}
64
65scoped_refptr<cc::ContextProvider>
66InProcessContextFactory::SharedMainThreadContextProvider() {
67  if (shared_main_thread_contexts_ &&
68      !shared_main_thread_contexts_->DestroyedOnMainThread())
69    return shared_main_thread_contexts_;
70
71  if (ui::Compositor::WasInitializedWithThread()) {
72    shared_main_thread_contexts_ =
73        webkit::gpu::ContextProviderInProcess::CreateOffscreen();
74  } else {
75    shared_main_thread_contexts_ =
76        static_cast<webkit::gpu::ContextProviderInProcess*>(
77            OffscreenCompositorContextProvider().get());
78  }
79  if (shared_main_thread_contexts_ &&
80      !shared_main_thread_contexts_->BindToCurrentThread())
81    shared_main_thread_contexts_ = NULL;
82
83  return shared_main_thread_contexts_;
84}
85
86void InProcessContextFactory::RemoveCompositor(Compositor* compositor) {}
87
88bool InProcessContextFactory::DoesCreateTestContexts() { return false; }
89
90}  // namespace ui
91