Revert of Refactor content/common/gpu into gpu/ipc/service

content/common/gpu/gpu_memory_buffer_factory_surface_texture.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 "content/common/gpu/gpu_memory_buffer_factory_surface_texture.h"
+
+#include "gpu/ipc/common/android/surface_texture_manager.h"
+#include "ui/gl/android/surface_texture.h"
+#include "ui/gl/gl_image_surface_texture.h"
+
+namespace content {
+
+GpuMemoryBufferFactorySurfaceTexture::GpuMemoryBufferFactorySurfaceTexture() {
+}
+
+GpuMemoryBufferFactorySurfaceTexture::~GpuMemoryBufferFactorySurfaceTexture() {
+}
+
+gfx::GpuMemoryBufferHandle
+GpuMemoryBufferFactorySurfaceTexture::CreateGpuMemoryBuffer(
+    gfx::GpuMemoryBufferId id,
+    const gfx::Size& size,
+    gfx::BufferFormat format,
+    gfx::BufferUsage usage,
+    int client_id,
+    gpu::SurfaceHandle surface_handle) {
+  // Note: this needs to be 0 as the surface texture implemenation will take
+  // ownership of the texture and call glDeleteTextures when the GPU service
+  // attaches the surface texture to a real texture id. glDeleteTextures
+  // silently ignores 0.
+  const int kDummyTextureId = 0;
+  scoped_refptr<gfx::SurfaceTexture> surface_texture =
+      gfx::SurfaceTexture::Create(kDummyTextureId);
+  if (!surface_texture.get())
+    return gfx::GpuMemoryBufferHandle();
+
+  gpu::SurfaceTextureManager::GetInstance()->RegisterSurfaceTexture(
+      id.id, client_id, surface_texture.get());
+
+  {
+    base::AutoLock lock(surface_textures_lock_);
+
+    SurfaceTextureMapKey key(id.id, client_id);
+    DCHECK(surface_textures_.find(key) == surface_textures_.end());
+    surface_textures_[key] = surface_texture;
+  }
+
+  gfx::GpuMemoryBufferHandle handle;
+  handle.type = gfx::SURFACE_TEXTURE_BUFFER;
+  handle.id = id;
+  return handle;
+}
+
+gfx::GpuMemoryBufferHandle
+GpuMemoryBufferFactorySurfaceTexture::CreateGpuMemoryBufferFromHandle(
+    const gfx::GpuMemoryBufferHandle& handle,
+    gfx::GpuMemoryBufferId id,
+    const gfx::Size& size,
+    gfx::BufferFormat format,
+    int client_id) {
+  NOTIMPLEMENTED();
+  return gfx::GpuMemoryBufferHandle();
+}
+
+void GpuMemoryBufferFactorySurfaceTexture::DestroyGpuMemoryBuffer(
+    gfx::GpuMemoryBufferId id,
+    int client_id) {
+  {
+    base::AutoLock lock(surface_textures_lock_);
+
+    SurfaceTextureMapKey key(id.id, client_id);
+    DCHECK(surface_textures_.find(key) != surface_textures_.end());
+    surface_textures_.erase(key);
+  }
+
+  gpu::SurfaceTextureManager::GetInstance()->UnregisterSurfaceTexture(
+      id.id, client_id);
+}
+
+gpu::ImageFactory* GpuMemoryBufferFactorySurfaceTexture::AsImageFactory() {
+  return this;
+}
+
+scoped_refptr<gl::GLImage>
+GpuMemoryBufferFactorySurfaceTexture::CreateImageForGpuMemoryBuffer(
+    const gfx::GpuMemoryBufferHandle& handle,
+    const gfx::Size& size,
+    gfx::BufferFormat format,
+    unsigned internalformat,
+    int client_id) {
+  base::AutoLock lock(surface_textures_lock_);
+
+  DCHECK_EQ(handle.type, gfx::SURFACE_TEXTURE_BUFFER);
+
+  SurfaceTextureMapKey key(handle.id.id, client_id);
+  SurfaceTextureMap::iterator it = surface_textures_.find(key);
+  if (it == surface_textures_.end())
+    return scoped_refptr<gl::GLImage>();
+
+  scoped_refptr<gl::GLImageSurfaceTexture> image(
+      new gl::GLImageSurfaceTexture(size));
+  if (!image->Initialize(it->second.get()))
+    return scoped_refptr<gl::GLImage>();
+
+  return image;
+}
+
+}  // namespace content