ui/compositor/test/default_context_factory.cc

   1 // Copyright 2013 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/default_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
  15 namespace ui {
  16
  17 DefaultContextFactory::DefaultContextFactory() {
  18   DCHECK_NE(gfx::GetGLImplementation(), gfx::kGLImplementationNone);
  19 }
  20
  21 DefaultContextFactory::~DefaultContextFactory() {
  22 }
  23
  24 scoped_ptr<cc::OutputSurface> DefaultContextFactory::CreateOutputSurface(
  25     Compositor* compositor, 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(),
  42                                        "UICompositor");
  43
  44   return make_scoped_ptr(new cc::OutputSurface(context_provider));
  45 }
  46
  47 scoped_refptr<Reflector> DefaultContextFactory::CreateReflector(
  48     Compositor* mirroed_compositor,
  49     Layer* mirroring_layer) {
  50   return NULL;
  51 }
  52
  53 void DefaultContextFactory::RemoveReflector(
  54     scoped_refptr<Reflector> reflector) {
  55 }
  56
  57 scoped_refptr<cc::ContextProvider>
  58 DefaultContextFactory::OffscreenCompositorContextProvider() {
  59   if (!offscreen_compositor_contexts_.get() ||
  60       !offscreen_compositor_contexts_->DestroyedOnMainThread()) {
  61     offscreen_compositor_contexts_ =
  62         webkit::gpu::ContextProviderInProcess::CreateOffscreen();
  63   }
  64   return offscreen_compositor_contexts_;
  65 }
  66
  67 scoped_refptr<cc::ContextProvider>
  68 DefaultContextFactory::SharedMainThreadContextProvider() {
  69   if (shared_main_thread_contexts_ &&
  70       !shared_main_thread_contexts_->DestroyedOnMainThread())
  71     return shared_main_thread_contexts_;
  72
  73   if (ui::Compositor::WasInitializedWithThread()) {
  74     shared_main_thread_contexts_ =
  75         webkit::gpu::ContextProviderInProcess::CreateOffscreen();
  76   } else {
  77     shared_main_thread_contexts_ =
  78         static_cast<webkit::gpu::ContextProviderInProcess*>(
  79             OffscreenCompositorContextProvider().get());
  80   }
  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 DefaultContextFactory::RemoveCompositor(Compositor* compositor) {
  89 }
  90
  91 bool DefaultContextFactory::DoesCreateTestContexts() { return false; }
  92
  93 }  // namespace ui