Remove IOSurfaceLayer

cc/layers/io_surface_layer_impl.cc

-// Copyright 2012 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 "cc/layers/io_surface_layer_impl.h"
-
-#include "base/strings/stringprintf.h"
-#include "cc/output/output_surface.h"
-#include "cc/quads/io_surface_draw_quad.h"
-#include "cc/trees/layer_tree_impl.h"
-#include "cc/trees/occlusion.h"
-
-namespace cc {
-
-IOSurfaceLayerImpl::IOSurfaceLayerImpl(LayerTreeImpl* tree_impl, int id)
-    : LayerImpl(tree_impl, id),
-      io_surface_id_(0),
-      io_surface_changed_(false),
-      io_surface_resource_id_(0) {}
-
-IOSurfaceLayerImpl::~IOSurfaceLayerImpl() {
-  DestroyResource();
-}
-
-void IOSurfaceLayerImpl::DestroyResource() {
-  if (io_surface_resource_id_) {
-    ResourceProvider* resource_provider =
-        layer_tree_impl()->resource_provider();
-    resource_provider->DeleteResource(io_surface_resource_id_);
-    io_surface_resource_id_ = 0;
-  }
-}
-
-std::unique_ptr<LayerImpl> IOSurfaceLayerImpl::CreateLayerImpl(
-    LayerTreeImpl* tree_impl) {
-  return IOSurfaceLayerImpl::Create(tree_impl, id());
-}
-
-void IOSurfaceLayerImpl::PushPropertiesTo(LayerImpl* layer) {
-  LayerImpl::PushPropertiesTo(layer);
-
-  IOSurfaceLayerImpl* io_surface_layer =
-      static_cast<IOSurfaceLayerImpl*>(layer);
-  io_surface_layer->SetIOSurfaceProperties(io_surface_id_, io_surface_size_);
-}
-
-bool IOSurfaceLayerImpl::WillDraw(DrawMode draw_mode,
-                                  ResourceProvider* resource_provider) {
-  if (draw_mode != DRAW_MODE_HARDWARE)
-    return false;
-
-  if (io_surface_changed_) {
-    DestroyResource();
-    io_surface_resource_id_ = resource_provider->CreateResourceFromIOSurface(
-        io_surface_size_, io_surface_id_);
-    io_surface_changed_ = false;
-  }
-
-  return LayerImpl::WillDraw(draw_mode, resource_provider);
-}
-
-void IOSurfaceLayerImpl::AppendQuads(
-    RenderPass* render_pass,
-    AppendQuadsData* append_quads_data) {
-  SharedQuadState* shared_quad_state =
-      render_pass->CreateAndAppendSharedQuadState();
-  PopulateSharedQuadState(shared_quad_state);
-
-  AppendDebugBorderQuad(render_pass, bounds(), shared_quad_state,
-                        append_quads_data);
-
-  gfx::Rect quad_rect(bounds());
-  gfx::Rect opaque_rect(contents_opaque() ? quad_rect : gfx::Rect());
-  gfx::Rect visible_quad_rect =
-      draw_properties().occlusion_in_content_space.GetUnoccludedContentRect(
-          quad_rect);
-  if (visible_quad_rect.IsEmpty())
-    return;
-
-  IOSurfaceDrawQuad* quad =
-      render_pass->CreateAndAppendDrawQuad<IOSurfaceDrawQuad>();
-  quad->SetNew(shared_quad_state, quad_rect, opaque_rect, visible_quad_rect,
-               io_surface_size_, io_surface_resource_id_,
-               IOSurfaceDrawQuad::FLIPPED);
-  ValidateQuadResources(quad);
-}
-
-void IOSurfaceLayerImpl::ReleaseResources() {
-  // We don't have a valid resource ID in the new context; however,
-  // the IOSurface is still valid.
-  DestroyResource();
-  io_surface_changed_ = true;
-}
-
-void IOSurfaceLayerImpl::SetIOSurfaceProperties(unsigned io_surface_id,
-                                                const gfx::Size& size) {
-  if (io_surface_id_ != io_surface_id)
-    io_surface_changed_ = true;
-
-  io_surface_id_ = io_surface_id;
-  io_surface_size_ = size;
-}
-
-const char* IOSurfaceLayerImpl::LayerTypeAsString() const {
-  return "cc::IOSurfaceLayerImpl";
-}
-
-}  // namespace cc