Revert 36268 - Implemented PGL library, an EGL like API for Pepper. Updated P...

gpu/pgl/pgl.cc

Index: gpu/pgl/pgl.cc
===================================================================
--- gpu/pgl/pgl.cc	(revision 36269)
+++ gpu/pgl/pgl.cc	(working copy)
@@ -1,161 +0,0 @@
-// Copyright (c) 2010 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 "gpu/command_buffer/client/gles2_cmd_helper.h"
-#include "gpu/command_buffer/client/gles2_implementation.h"
-#include "gpu/command_buffer/client/gles2_lib.h"
-#include "gpu/pgl/command_buffer_pepper.h"
-#include "gpu/pgl/pgl.h"
-
-#if defined(_MSC_VER)
-#define THREAD_LOCAL __declspec(thread)
-#else
-#define THREAD_LOCAL __thread
-#endif
-
-namespace {
-const int32 kTransferBufferSize = 512 * 1024;
-
-class PGLContextImpl {
- public:
-  PGLContextImpl(NPP npp,
-              NPDevice* device,
-              NPDeviceContext3D* device_context);
-  ~PGLContextImpl();
-
-  // Initlaize a PGL context with a transfer buffer of a particular size.
-  bool Initialize(int32 transfer_buffer_size);
-
-  // Destroy all resources associated with the PGL context.
-  void Destroy();
-
-  // Make a PGL context current for the calling thread.
-  static bool MakeCurrent(PGLContextImpl* pgl_context);
-
-  // Display all content rendered since last call to SwapBuffers.
-  bool SwapBuffers();
-
- private:
-  PGLContextImpl(const PGLContextImpl&);
-  void operator=(const PGLContextImpl&);
-
-  NPP npp_;
-  NPDevice* device_;
-  NPDeviceContext3D* device_context_;
-  CommandBufferPepper* command_buffer_;
-  gpu::gles2::GLES2CmdHelper* gles2_helper_;
-  int32 transfer_buffer_id_;
-  gpu::gles2::GLES2Implementation* gles2_implementation_;
-};
-
-THREAD_LOCAL PGLContextImpl* g_current_pgl_context;
-
-PGLContextImpl::PGLContextImpl(NPP npp,
-                               NPDevice* device,
-                               NPDeviceContext3D* device_context)
-    : npp_(npp),
-      device_(device),
-      device_context_(device_context),
-      command_buffer_(NULL),
-      gles2_helper_(NULL),
-      transfer_buffer_id_(0),
-      gles2_implementation_(NULL) {
-}
-
-PGLContextImpl::~PGLContextImpl() {
-  Destroy();
-}
-
-bool PGLContextImpl::Initialize(int32 transfer_buffer_size) {
-  // Create and initialize the objects required to issue GLES2 calls.
-  command_buffer_ = new CommandBufferPepper(
-      npp_, device_, device_context_);
-  gles2_helper_ = new gpu::gles2::GLES2CmdHelper(command_buffer_);
-  if (gles2_helper_->Initialize()) {
-    transfer_buffer_id_ =
-        command_buffer_->CreateTransferBuffer(kTransferBufferSize);
-    gpu::Buffer transfer_buffer =
-        command_buffer_->GetTransferBuffer(transfer_buffer_id_);
-    if (transfer_buffer.ptr) {
-      gles2_implementation_ = new gpu::gles2::GLES2Implementation(
-          gles2_helper_,
-          transfer_buffer.size,
-          transfer_buffer.ptr,
-          transfer_buffer_id_);
-      return true;
-    }
-  }
-
-  // Tear everything down if initialization failed.
-  Destroy();
-  return false;
-}
-
-void PGLContextImpl::Destroy() {
-  delete gles2_implementation_;
-  gles2_implementation_ = NULL;
-
-  if (command_buffer_ && transfer_buffer_id_ != 0) {
-    command_buffer_->DestroyTransferBuffer(transfer_buffer_id_);
-    transfer_buffer_id_ = 0;
-  }
-
-  delete gles2_helper_;
-  gles2_helper_ = NULL;
-
-  delete command_buffer_;
-  command_buffer_ = NULL;
-}
-
-bool PGLContextImpl::MakeCurrent(PGLContextImpl* pgl_context) {
-  g_current_pgl_context = pgl_context;
-  if (pgl_context)
-    gles2::g_gl_impl = pgl_context->gles2_implementation_;
-  else
-    gles2::g_gl_impl = NULL;
-
-  return true;
-}
-
-bool PGLContextImpl::SwapBuffers() {
-  gles2_implementation_->SwapBuffers();
-  return true;
-}
-}  // namespace anonymous
-
-extern "C" {
-
-PGLContext pglCreateContext(NPP npp,
-                            NPDevice* device,
-                            NPDeviceContext3D* device_context) {
-  PGLContextImpl* pgl_context = new PGLContextImpl(
-      npp, device, device_context);
-  if (pgl_context->Initialize(kTransferBufferSize)) {
-    return pgl_context;
-  }
-
-  delete pgl_context;
-  return NULL;
-}
-
-PGLBoolean pglMakeCurrent(PGLContext pgl_context) {
-  return PGLContextImpl::MakeCurrent(static_cast<PGLContextImpl*>(pgl_context));
-}
-
-PGLBoolean pglSwapBuffers() {
-  if (!g_current_pgl_context)
-    return false;
-
-  return g_current_pgl_context->SwapBuffers();
-}
-
-PGLBoolean pglDestroyContext(PGLContext pgl_context) {
-  if (!pgl_context)
-    return false;
-
-  delete pgl_context;
-  return true;
-}
-
-}  // extern "C"