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   // Enabled the CHROMIUM_image extension to use GpuMemoryBuffers. The
  17   // implementation of which is used in CommandBufferDriver.
  18   capabilities_.gpu.image = true;
  19 }
  20
  21 bool ContextProviderMojo::BindToCurrentThread() {
  22   DCHECK(command_buffer_handle_.is_valid());
  23   context_ = MojoGLES2CreateContext(command_buffer_handle_.release().value(),
  24                                     &ContextLostThunk,
  25                                     this,
  26                                     Environment::GetDefaultAsyncWaiter());
  27   context_gl_.reset(new MojoGLES2Impl(context_));
  28   return !!context_;
  29 }
  30
  31 gpu::gles2::GLES2Interface* ContextProviderMojo::ContextGL() {
  32   return context_gl_.get();
  33 }
  34
  35 gpu::ContextSupport* ContextProviderMojo::ContextSupport() {
  36   if (!context_)
  37     return NULL;
  38   return static_cast<gpu::ContextSupport*>(
  39       MojoGLES2GetContextSupport(context_));
  40 }
  41
  42 class GrContext* ContextProviderMojo::GrContext() { return NULL; }
  43
  44 void ContextProviderMojo::InvalidateGrContext(uint32_t state) {
  45 }
  46
  47 cc::ContextProvider::Capabilities ContextProviderMojo::ContextCapabilities() {
  48   return capabilities_;
  49 }
  50
  51 void ContextProviderMojo::SetupLock() {
  52 }
  53
  54 base::Lock* ContextProviderMojo::GetLock() {
  55   return &context_lock_;
  56 }
  57
  58 bool ContextProviderMojo::DestroyedOnMainThread() { return !context_; }
  59
  60 ContextProviderMojo::~ContextProviderMojo() {
  61   context_gl_.reset();
  62   if (context_)
  63     MojoGLES2DestroyContext(context_);
  64 }
  65
  66 void ContextProviderMojo::ContextLost() {
  67 }
  68
  69 }  // namespace mojo