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 }
  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   context_gl_.reset(new MojoGLES2Impl(context_));
  25   return !!context_;
  26 }
  27
  28 gpu::gles2::GLES2Interface* ContextProviderMojo::ContextGL() {
  29   return context_gl_.get();
  30 }
  31
  32 gpu::ContextSupport* ContextProviderMojo::ContextSupport() {
  33   if (!context_)
  34     return NULL;
  35   return static_cast<gpu::ContextSupport*>(
  36       MojoGLES2GetContextSupport(context_));
  37 }
  38
  39 class GrContext* ContextProviderMojo::GrContext() { return NULL; }
  40
  41 void ContextProviderMojo::InvalidateGrContext(uint32_t state) {
  42 }
  43
  44 cc::ContextProvider::Capabilities ContextProviderMojo::ContextCapabilities() {
  45   return capabilities_;
  46 }
  47
  48 void ContextProviderMojo::SetupLock() {
  49 }
  50
  51 base::Lock* ContextProviderMojo::GetLock() {
  52   return &context_lock_;
  53 }
  54
  55 bool ContextProviderMojo::DestroyedOnMainThread() { return !context_; }
  56
  57 ContextProviderMojo::~ContextProviderMojo() {
  58   context_gl_.reset();
  59   if (context_)
  60     MojoGLES2DestroyContext(context_);
  61 }
  62
  63 void ContextProviderMojo::ContextLost() {
  64 }
  65
  66 }  // namespace mojo