Moving compositor_bindings from webkit to content

webkit/renderer/compositor_bindings/web_external_texture_layer_impl.cc

-// Copyright 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 "webkit/renderer/compositor_bindings/web_external_texture_layer_impl.h"
-
-#include "cc/layers/texture_layer.h"
-#include "cc/resources/resource_update_queue.h"
-#include "cc/resources/single_release_callback.h"
-#include "cc/resources/texture_mailbox.h"
-#include "third_party/WebKit/public/platform/WebExternalTextureLayerClient.h"
-#include "third_party/WebKit/public/platform/WebExternalTextureMailbox.h"
-#include "third_party/WebKit/public/platform/WebFloatRect.h"
-#include "third_party/WebKit/public/platform/WebGraphicsContext3D.h"
-#include "third_party/WebKit/public/platform/WebSize.h"
-#include "third_party/khronos/GLES2/gl2.h"
-#include "webkit/renderer/compositor_bindings/web_external_bitmap_impl.h"
-#include "webkit/renderer/compositor_bindings/web_layer_impl.h"
-
-using cc::TextureLayer;
-using cc::ResourceUpdateQueue;
-
-namespace webkit {
-
-WebExternalTextureLayerImpl::WebExternalTextureLayerImpl(
-    blink::WebExternalTextureLayerClient* client)
-    : client_(client) {
-  cc::TextureLayerClient* cc_client = client_ ? this : NULL;
-  scoped_refptr<TextureLayer> layer = TextureLayer::CreateForMailbox(cc_client);
-  layer->SetIsDrawable(true);
-  layer_.reset(new WebLayerImpl(layer));
-}
-
-WebExternalTextureLayerImpl::~WebExternalTextureLayerImpl() {
-  static_cast<TextureLayer*>(layer_->layer())->ClearClient();
-}
-
-blink::WebLayer* WebExternalTextureLayerImpl::layer() { return layer_.get(); }
-
-void WebExternalTextureLayerImpl::clearTexture() {
-  TextureLayer *layer = static_cast<TextureLayer*>(layer_->layer());
-  layer->ClearTexture();
-}
-
-void WebExternalTextureLayerImpl::setOpaque(bool opaque) {
-  static_cast<TextureLayer*>(layer_->layer())->SetContentsOpaque(opaque);
-}
-
-void WebExternalTextureLayerImpl::setPremultipliedAlpha(
-    bool premultiplied_alpha) {
-  static_cast<TextureLayer*>(layer_->layer())->SetPremultipliedAlpha(
-      premultiplied_alpha);
-}
-
-void WebExternalTextureLayerImpl::setBlendBackgroundColor(bool blend) {
-  static_cast<TextureLayer*>(layer_->layer())->SetBlendBackgroundColor(blend);
-}
-
-void WebExternalTextureLayerImpl::setRateLimitContext(bool rate_limit) {
-  static_cast<TextureLayer*>(layer_->layer())->SetRateLimitContext(rate_limit);
-}
-
-bool WebExternalTextureLayerImpl::PrepareTextureMailbox(
-    cc::TextureMailbox* mailbox,
-    scoped_ptr<cc::SingleReleaseCallback>* release_callback,
-    bool use_shared_memory) {
-  blink::WebExternalTextureMailbox client_mailbox;
-  WebExternalBitmapImpl* bitmap = NULL;
-
-  if (use_shared_memory)
-    bitmap = AllocateBitmap();
-  if (!client_->prepareMailbox(&client_mailbox, bitmap)) {
-    if (bitmap)
-      free_bitmaps_.push_back(bitmap);
-    return false;
-  }
-  gpu::Mailbox name;
-  name.SetName(client_mailbox.name);
-  if (bitmap) {
-    *mailbox = cc::TextureMailbox(bitmap->shared_memory(), bitmap->size());
-  } else {
-    *mailbox =
-        cc::TextureMailbox(name, GL_TEXTURE_2D, client_mailbox.syncPoint);
-  }
-  mailbox->set_allow_overlay(client_mailbox.allowOverlay);
-
-  if (mailbox->IsValid()) {
-    *release_callback = cc::SingleReleaseCallback::Create(base::Bind(
-        &WebExternalTextureLayerImpl::DidReleaseMailbox,
-        this->AsWeakPtr(),
-        client_mailbox,
-        bitmap));
-  }
-
-  return true;
-}
-
-WebExternalBitmapImpl* WebExternalTextureLayerImpl::AllocateBitmap() {
-  if (!free_bitmaps_.empty()) {
-    WebExternalBitmapImpl* result = free_bitmaps_.back();
-    free_bitmaps_.weak_erase(free_bitmaps_.end() - 1);
-    return result;
-  }
-  return new WebExternalBitmapImpl;
-}
-
-// static
-void WebExternalTextureLayerImpl::DidReleaseMailbox(
-    base::WeakPtr<WebExternalTextureLayerImpl> layer,
-    const blink::WebExternalTextureMailbox& mailbox,
-    WebExternalBitmapImpl* bitmap,
-    unsigned sync_point,
-    bool lost_resource) {
-  if (lost_resource || !layer) {
-    delete bitmap;
-    return;
-  }
-
-  blink::WebExternalTextureMailbox available_mailbox;
-  memcpy(available_mailbox.name, mailbox.name, sizeof(available_mailbox.name));
-  available_mailbox.syncPoint = sync_point;
-  if (bitmap)
-    layer->free_bitmaps_.push_back(bitmap);
-  layer->client_->mailboxReleased(available_mailbox);
-}
-
-}  // namespace webkit