mojo: Reland "Convert gles2 to the new thunking system."

mojo/gles2/gles2_support_impl.cc

-// Copyright 2014 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "mojo/gles2/gles2_support_impl.h"
-
-#include "base/lazy_instance.h"
-#include "gpu/command_buffer/client/gles2_interface.h"
-#include "mojo/gles2/gles2_context.h"
-#include "mojo/public/gles2/gles2_interface.h"
-#include "mojo/public/gles2/gles2_private.h"
-
-namespace mojo {
-namespace gles2 {
-
-namespace {
-
-class GLES2ImplForCommandBuffer : public GLES2Interface {
- public:
-  GLES2ImplForCommandBuffer() : gpu_interface_(NULL) {}
-
-  void set_gpu_interface(gpu::gles2::GLES2Interface* gpu_interface) {
-    gpu_interface_ = gpu_interface;
-  }
-  gpu::gles2::GLES2Interface* gpu_interface() const { return gpu_interface_; }
-
-#define VISIT_GL_CALL(Function, ReturnType, PARAMETERS, ARGUMENTS) \
-  virtual ReturnType Function PARAMETERS OVERRIDE {                \
-    return gpu_interface_->Function ARGUMENTS;                     \
-  }
-#include "mojo/public/c/gles2/gles2_call_visitor_autogen.h"
-#undef VISIT_GL_CALL
-
- private:
-  gpu::gles2::GLES2Interface* gpu_interface_;
-  DISALLOW_COPY_AND_ASSIGN(GLES2ImplForCommandBuffer);
-};
-
-base::LazyInstance<GLES2ImplForCommandBuffer> g_gles2_interface =
-    LAZY_INSTANCE_INITIALIZER;
-
-}  // anonymous namespace
-
-GLES2SupportImpl::GLES2SupportImpl() : async_waiter_(NULL) {}
-GLES2SupportImpl::~GLES2SupportImpl() {}
-
-// static
-void GLES2SupportImpl::Init() { GLES2Support::Init(new GLES2SupportImpl()); }
-
-void GLES2SupportImpl::Initialize(const MojoAsyncWaiter* async_waiter) {
-  DCHECK(!async_waiter_);
-  DCHECK(async_waiter);
-  async_waiter_ = async_waiter;
-}
-
-void GLES2SupportImpl::Terminate() {
-  DCHECK(async_waiter_);
-  async_waiter_ = NULL;
-}
-
-MojoGLES2Context GLES2SupportImpl::CreateContext(
-    MessagePipeHandle handle,
-    MojoGLES2ContextLost lost_callback,
-    void* closure) {
-  ScopedMessagePipeHandle scoped_handle(handle);
-  scoped_ptr<GLES2Context> client(new GLES2Context(async_waiter_,
-                                                   scoped_handle.Pass(),
-                                                   lost_callback,
-                                                   closure));
-  if (!client->Initialize())
-    client.reset();
-  return client.release();
-}
-
-void GLES2SupportImpl::DestroyContext(MojoGLES2Context context) {
-  delete static_cast<GLES2Context*>(context);
-}
-
-void GLES2SupportImpl::MakeCurrent(MojoGLES2Context context) {
-  gpu::gles2::GLES2Interface* interface = NULL;
-  if (context) {
-    GLES2Context* client = static_cast<GLES2Context*>(context);
-    interface = client->interface();
-    DCHECK(interface);
-  }
-  g_gles2_interface.Get().set_gpu_interface(interface);
-}
-
-void GLES2SupportImpl::SwapBuffers() {
-  g_gles2_interface.Get().gpu_interface()->SwapBuffers();
-}
-
-void* GLES2SupportImpl::GetGLES2Interface(MojoGLES2Context context) {
-  return static_cast<GLES2Context*>(context)->interface();
-}
-
-void* GLES2SupportImpl::GetContextSupport(MojoGLES2Context context) {
-  return static_cast<GLES2Context*>(context)->context_support();
-}
-
-GLES2Interface* GLES2SupportImpl::GetGLES2InterfaceForCurrentContext() {
-  return &g_gles2_interface.Get();
-}
-
-}  // namespace gles2
-}  // namespace mojo