Revert 92885 - Completed the implementation for PPB_Graphics3D interface.

ppapi/shared_impl/graphics_3d_impl.cc

Index: ppapi/shared_impl/graphics_3d_impl.cc
===================================================================
--- ppapi/shared_impl/graphics_3d_impl.cc	(revision 92890)
+++ ppapi/shared_impl/graphics_3d_impl.cc	(working copy)
@@ -1,104 +0,0 @@
-// Copyright (c) 2011 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 "ppapi/shared_impl/graphics_3d_impl.h"
-
-#include "gpu/command_buffer/client/gles2_cmd_helper.h"
-#include "gpu/command_buffer/client/gles2_implementation.h"
-#include "ppapi/c/pp_errors.h"
-
-namespace ppapi {
-
-Graphics3DImpl::Graphics3DImpl()
-    : transfer_buffer_id_(-1),
-      swap_callback_(PP_BlockUntilComplete()) {
-}
-
-Graphics3DImpl::~Graphics3DImpl() {
-  // Make sure that GLES2 implementation has already been destroyed.
-  DCHECK_EQ(transfer_buffer_id_, -1);
-  DCHECK(!gles2_helper_.get());
-  DCHECK(!gles2_impl_.get());
-}
-
-int32_t Graphics3DImpl::GetAttribs(int32_t* attrib_list) {
-  // TODO(alokp): Implement me.
-  return PP_ERROR_FAILED;
-}
-
-int32_t Graphics3DImpl::SetAttribs(int32_t* attrib_list) {
-  // TODO(alokp): Implement me.
-  return PP_ERROR_FAILED;
-}
-
-int32_t Graphics3DImpl::SwapBuffers(PP_CompletionCallback callback) {
-  if (!callback.func) {
-    // Blocking SwapBuffers isn't supported (since we have to be on the main
-    // thread).
-    return PP_ERROR_BADARGUMENT;
-  }
-
-  if (HasPendingSwap()) {
-    // Already a pending SwapBuffers that hasn't returned yet.
-    return PP_ERROR_INPROGRESS;
-  }
-
-  swap_callback_ = callback;
-  return DoSwapBuffers();
-}
-
-void Graphics3DImpl::SwapBuffersACK(int32_t pp_error) {
-  DCHECK(HasPendingSwap());
-  PP_RunAndClearCompletionCallback(&swap_callback_, pp_error);
-}
-
-bool Graphics3DImpl::CreateGLES2Impl(int32 command_buffer_size,
-                                     int32 transfer_buffer_size) {
-  gpu::CommandBuffer* command_buffer = GetCommandBuffer();
-  DCHECK(command_buffer);
-
-  // Create the GLES2 helper, which writes the command buffer protocol.
-  gles2_helper_.reset(new gpu::gles2::GLES2CmdHelper(command_buffer));
-  if (!gles2_helper_->Initialize(command_buffer_size))
-    return false;
-
-  // Create a transfer buffer used to copy resources between the renderer
-  // process and the GPU process.
-  transfer_buffer_id_ =
-      command_buffer->CreateTransferBuffer(transfer_buffer_size, -1);
-  if (transfer_buffer_id_ < 0)
-    return false;
-
-  // Map the buffer into the renderer process's address space.
-  gpu::Buffer transfer_buffer =
-      command_buffer->GetTransferBuffer(transfer_buffer_id_);
-  if (!transfer_buffer.ptr)
-    return false;
-
-  // Create the object exposing the OpenGL API.
-  gles2_impl_.reset(new gpu::gles2::GLES2Implementation(
-      gles2_helper_.get(),
-      transfer_buffer.size,
-      transfer_buffer.ptr,
-      transfer_buffer_id_,
-      false));
-
-  return true;
-}
-
-void Graphics3DImpl::DestroyGLES2Impl() {
-  gles2_impl_.reset();
-
-  if (transfer_buffer_id_ != -1) {
-    gpu::CommandBuffer* command_buffer = GetCommandBuffer();
-    DCHECK(command_buffer);
-    command_buffer->DestroyTransferBuffer(transfer_buffer_id_);
-    transfer_buffer_id_ = -1;
-  }
-
-  gles2_helper_.reset();
-}
-
-}  // namespace ppapi
-