gpu: Refactor GpuMemoryBuffer framework for multi-process support.

android_webview/browser/gpu_memory_buffer_impl.cc

Index: android_webview/browser/gpu_memory_buffer_impl.cc
diff --git a/android_webview/browser/gpu_memory_buffer_impl.cc b/android_webview/browser/gpu_memory_buffer_impl.cc
deleted file mode 100644
index 7a2e864bd3488a36f377c2363ff13fc3441b6282..0000000000000000000000000000000000000000
--- a/android_webview/browser/gpu_memory_buffer_impl.cc
+++ /dev/null
@@ -1,99 +0,0 @@
-// Copyright 2013 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 "android_webview/browser/gpu_memory_buffer_impl.h"
-
-#include "android_webview/public/browser/draw_gl.h"
-#include "base/bind.h"
-#include "base/logging.h"
-#include "gpu/command_buffer/client/gl_in_process_context.h"
-#include "gpu/command_buffer/client/gpu_memory_buffer.h"
-#include "ui/gfx/size.h"
-
-namespace android_webview {
-
-// Provides hardware rendering functions from the Android glue layer.
-AwDrawGLFunctionTable* g_gl_draw_functions = NULL;
-
-GpuMemoryBufferImpl::GpuMemoryBufferImpl(gfx::Size size)
-    : buffer_id_(g_gl_draw_functions->create_graphic_buffer(
-          size.width(), size.height())),
-      size_(size),
-      mapped_(false) {
-}
-
-GpuMemoryBufferImpl::~GpuMemoryBufferImpl() {
-  g_gl_draw_functions->release_graphic_buffer(buffer_id_);
-}
-
-void GpuMemoryBufferImpl::Map(gpu::GpuMemoryBuffer::AccessMode mode,
-    void** vaddr) {
-  DCHECK(buffer_id_ != 0);
-  AwMapMode map_mode = MAP_READ_ONLY;
-  switch (mode) {
-    case GpuMemoryBuffer::READ_ONLY:
-      map_mode = MAP_READ_ONLY;
-      break;
-    case GpuMemoryBuffer::WRITE_ONLY:
-      map_mode = MAP_WRITE_ONLY;
-      break;
-    case GpuMemoryBuffer::READ_WRITE:
-      map_mode = MAP_READ_WRITE;
-      break;
-    default:
-      LOG(DFATAL) << "Unknown map mode: " << mode;
-  }
-  int err = g_gl_draw_functions->map(buffer_id_, map_mode, vaddr);
-  DCHECK(err == 0);
-  mapped_ = true;
-}
-
-void GpuMemoryBufferImpl::Unmap() {
-  DCHECK(buffer_id_ != 0);
-  int err = g_gl_draw_functions->unmap(buffer_id_);
-  DCHECK(err == 0);
-  mapped_ = false;
-}
-
-void* GpuMemoryBufferImpl::GetNativeBuffer() {
-  DCHECK(buffer_id_ != 0);
-  return g_gl_draw_functions->get_native_buffer(buffer_id_);
-}
-
-uint32 GpuMemoryBufferImpl::GetStride() {
-  DCHECK(buffer_id_ != 0);
-  return g_gl_draw_functions->get_stride(buffer_id_);
-}
-
-bool GpuMemoryBufferImpl::IsMapped() {
-  return mapped_;
-}
-
-bool GpuMemoryBufferImpl::InitCheck() {
-  return buffer_id_ != 0;
-}
-
-// static
-scoped_ptr<gpu::GpuMemoryBuffer> GpuMemoryBufferImpl::CreateGpuMemoryBuffer(
-    int width, int height) {
-  DCHECK(width > 0);
-  DCHECK(height > 0);
-  scoped_ptr<GpuMemoryBufferImpl> result(new GpuMemoryBufferImpl(
-      gfx::Size(width, height)));
-
-  // Check if the buffer allocation succeeded.
-  if (!result->InitCheck())
-    return scoped_ptr<GpuMemoryBuffer>();
-
-  return result.PassAs<gpu::GpuMemoryBuffer>();
-}
-
-// static
-void GpuMemoryBufferImpl::SetAwDrawGLFunctionTable(
-    AwDrawGLFunctionTable* table) {
-  g_gl_draw_functions = table;
-  gpu::GLInProcessContext::SetGpuMemoryBufferCreator(&CreateGpuMemoryBuffer);
-}
-
-}  // namespace android_webview