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/gpu/mojo_gles2_impl_autogen.h"
   9 #include "third_party/mojo/src/mojo/public/cpp/environment/environment.h"
  10
  11 namespace mojo {
  12
  13 ContextProviderMojo::ContextProviderMojo(
  14     ScopedMessagePipeHandle command_buffer_handle)
  15     : command_buffer_handle_(command_buffer_handle.Pass()),
  16       context_lost_(false) {
  17 }
  18
  19 bool ContextProviderMojo::BindToCurrentThread() {
  20   DCHECK(command_buffer_handle_.is_valid());
  21   context_ = MojoGLES2CreateContext(command_buffer_handle_.release().value(),
  22                                     &ContextLostThunk,
  23                                     this,
  24                                     Environment::GetDefaultAsyncWaiter());
  25   context_gl_.reset(new MojoGLES2Impl(context_));
  26   return !!context_;
  27 }
  28
  29 gpu::gles2::GLES2Interface* ContextProviderMojo::ContextGL() {
  30   return context_gl_.get();
  31 }
  32
  33 gpu::ContextSupport* ContextProviderMojo::ContextSupport() {
  34   if (!context_)
  35     return NULL;
  36   return static_cast<gpu::ContextSupport*>(
  37       MojoGLES2GetContextSupport(context_));
  38 }
  39
  40 class GrContext* ContextProviderMojo::GrContext() { return NULL; }
  41
  42 void ContextProviderMojo::InvalidateGrContext(uint32_t state) {
  43 }
  44
  45 cc::ContextProvider::Capabilities ContextProviderMojo::ContextCapabilities() {
  46   return capabilities_;
  47 }
  48
  49 void ContextProviderMojo::SetupLock() {
  50 }
  51
  52 base::Lock* ContextProviderMojo::GetLock() {
  53   return &context_lock_;
  54 }
  55
  56 bool ContextProviderMojo::IsContextLost() {
  57   return context_lost_;
  58 }
  59 bool ContextProviderMojo::DestroyedOnMainThread() { return !context_; }
  60
  61 ContextProviderMojo::~ContextProviderMojo() {
  62   context_gl_.reset();
  63   if (context_)
  64     MojoGLES2DestroyContext(context_);
  65 }
  66
  67 void ContextProviderMojo::ContextLost() {
  68   context_lost_ = true;
  69 }
  70
  71 }  // namespace mojo