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
   9 namespace mojo {
  10
  11 ContextProviderMojo::ContextProviderMojo(
  12     ScopedMessagePipeHandle command_buffer_handle)
  13     : command_buffer_handle_(command_buffer_handle.Pass()) {}
  14
  15 bool ContextProviderMojo::BindToCurrentThread() {
  16   DCHECK(command_buffer_handle_.is_valid());
  17   context_ = MojoGLES2CreateContext(
  18       command_buffer_handle_.release().value(),
  19       &ContextLostThunk,
  20       NULL,
  21       this);
  22   return !!context_;
  23 }
  24
  25 gpu::gles2::GLES2Interface* ContextProviderMojo::ContextGL() {
  26   if (!context_)
  27     return NULL;
  28   return static_cast<gpu::gles2::GLES2Interface*>(
  29       MojoGLES2GetGLES2Interface(context_));
  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 cc::ContextProvider::Capabilities ContextProviderMojo::ContextCapabilities() {
  42   return capabilities_;
  43 }
  44
  45 bool ContextProviderMojo::IsContextLost() { return !context_; }
  46 bool ContextProviderMojo::DestroyedOnMainThread() { return !context_; }
  47
  48 ContextProviderMojo::~ContextProviderMojo() {
  49   if (context_)
  50     MojoGLES2DestroyContext(context_);
  51 }
  52
  53 void ContextProviderMojo::ContextLost() {
  54   if (context_) {
  55     MojoGLES2DestroyContext(context_);
  56     context_ = NULL;
  57   }
  58 }
  59
  60 }  // namespace mojo