mojo/cc/context_provider_mojo.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 "mojo/cc/context_provider_mojo.h"
   6
   7 #include "base/logging.h"
   8 #include "mojo/public/cpp/environment/environment.h"
   9
  10 namespace mojo {
  11
  12 ContextProviderMojo::ContextProviderMojo(
  13     ScopedMessagePipeHandle command_buffer_handle)
  14     : command_buffer_handle_(command_buffer_handle.Pass()),
  15       context_lost_(false) {
  16 }
  17
  18 bool ContextProviderMojo::BindToCurrentThread() {
  19   DCHECK(command_buffer_handle_.is_valid());
  20   context_ = MojoGLES2CreateContext(command_buffer_handle_.release().value(),
  21                                     &ContextLostThunk,
  22                                     this,
  23                                     Environment::GetDefaultAsyncWaiter());
  24   return !!context_;
  25 }
  26
  27 gpu::gles2::GLES2Interface* ContextProviderMojo::ContextGL() {
  28   if (!context_)
  29     return NULL;
  30   return static_cast<gpu::gles2::GLES2Interface*>(
  31       MojoGLES2GetGLES2Interface(context_));
  32 }
  33
  34 gpu::ContextSupport* ContextProviderMojo::ContextSupport() {
  35   if (!context_)
  36     return NULL;
  37   return static_cast<gpu::ContextSupport*>(
  38       MojoGLES2GetContextSupport(context_));
  39 }
  40
  41 class GrContext* ContextProviderMojo::GrContext() { return NULL; }
  42
  43 cc::ContextProvider::Capabilities ContextProviderMojo::ContextCapabilities() {
  44   return capabilities_;
  45 }
  46
  47 bool ContextProviderMojo::IsContextLost() {
  48   return context_lost_;
  49 }
  50 bool ContextProviderMojo::DestroyedOnMainThread() { return !context_; }
  51
  52 ContextProviderMojo::~ContextProviderMojo() {
  53   if (context_)
  54     MojoGLES2DestroyContext(context_);
  55 }
  56
  57 void ContextProviderMojo::ContextLost() {
  58   context_lost_ = true;
  59 }
  60
  61 }  // namespace mojo