Move cc::DisplayItemList and related classes into cc/paint/

cc/playback/recording_source.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 "cc/playback/recording_source.h"
-
-#include <stdint.h>
-
-#include <algorithm>
-
-#include "base/numerics/safe_math.h"
-#include "cc/base/region.h"
-#include "cc/layers/content_layer_client.h"
-#include "cc/playback/display_item_list.h"
-#include "cc/playback/raster_source.h"
-#include "skia/ext/analysis_canvas.h"
-
-namespace {
-
-#ifdef NDEBUG
-const bool kDefaultClearCanvasSetting = false;
-#else
-const bool kDefaultClearCanvasSetting = true;
-#endif
-
-}  // namespace
-
-namespace cc {
-
-RecordingSource::RecordingSource()
-    : slow_down_raster_scale_factor_for_debug_(0),
-      generate_discardable_images_metadata_(false),
-      requires_clear_(false),
-      is_solid_color_(false),
-      clear_canvas_with_debug_color_(kDefaultClearCanvasSetting),
-      solid_color_(SK_ColorTRANSPARENT),
-      background_color_(SK_ColorTRANSPARENT) {}
-
-RecordingSource::~RecordingSource() {}
-
-void RecordingSource::UpdateInvalidationForNewViewport(
-    const gfx::Rect& old_recorded_viewport,
-    const gfx::Rect& new_recorded_viewport,
-    Region* invalidation) {
-  // Invalidate newly-exposed and no-longer-exposed areas.
-  Region newly_exposed_region(new_recorded_viewport);
-  newly_exposed_region.Subtract(old_recorded_viewport);
-  invalidation->Union(newly_exposed_region);
-
-  Region no_longer_exposed_region(old_recorded_viewport);
-  no_longer_exposed_region.Subtract(new_recorded_viewport);
-  invalidation->Union(no_longer_exposed_region);
-}
-
-void RecordingSource::FinishDisplayItemListUpdate() {
-  TRACE_EVENT0("cc", "RecordingSource::FinishDisplayItemListUpdate");
-  DetermineIfSolidColor();
-  display_list_->EmitTraceSnapshot();
-  if (generate_discardable_images_metadata_)
-    display_list_->GenerateDiscardableImagesMetadata();
-}
-
-void RecordingSource::SetNeedsDisplayRect(const gfx::Rect& layer_rect) {
-  if (!layer_rect.IsEmpty()) {
-    // Clamp invalidation to the layer bounds.
-    invalidation_.Union(gfx::IntersectRects(layer_rect, gfx::Rect(size_)));
-  }
-}
-
-bool RecordingSource::UpdateAndExpandInvalidation(
-    Region* invalidation,
-    const gfx::Size& layer_size,
-    const gfx::Rect& new_recorded_viewport) {
-  bool updated = false;
-
-  if (size_ != layer_size)
-    size_ = layer_size;
-
-  invalidation_.Swap(invalidation);
-  invalidation_.Clear();
-
-  if (new_recorded_viewport != recorded_viewport_) {
-    UpdateInvalidationForNewViewport(recorded_viewport_, new_recorded_viewport,
-                                     invalidation);
-    recorded_viewport_ = new_recorded_viewport;
-    updated = true;
-  }
-
-  if (!updated && !invalidation->Intersects(recorded_viewport_))
-    return false;
-
-  if (invalidation->IsEmpty())
-    return false;
-
-  return true;
-}
-
-void RecordingSource::UpdateDisplayItemList(
-    const scoped_refptr<DisplayItemList>& display_list,
-    const size_t& painter_reported_memory_usage) {
-  display_list_ = display_list;
-  painter_reported_memory_usage_ = painter_reported_memory_usage;
-
-  FinishDisplayItemListUpdate();
-}
-
-gfx::Size RecordingSource::GetSize() const {
-  return size_;
-}
-
-void RecordingSource::SetEmptyBounds() {
-  size_ = gfx::Size();
-  is_solid_color_ = false;
-
-  recorded_viewport_ = gfx::Rect();
-  display_list_ = nullptr;
-  painter_reported_memory_usage_ = 0;
-}
-
-void RecordingSource::SetSlowdownRasterScaleFactor(int factor) {
-  slow_down_raster_scale_factor_for_debug_ = factor;
-}
-
-void RecordingSource::SetGenerateDiscardableImagesMetadata(
-    bool generate_metadata) {
-  generate_discardable_images_metadata_ = generate_metadata;
-}
-
-void RecordingSource::SetBackgroundColor(SkColor background_color) {
-  background_color_ = background_color;
-}
-
-void RecordingSource::SetRequiresClear(bool requires_clear) {
-  requires_clear_ = requires_clear;
-}
-
-const DisplayItemList* RecordingSource::GetDisplayItemList() {
-  return display_list_.get();
-}
-
-scoped_refptr<RasterSource> RecordingSource::CreateRasterSource(
-    bool can_use_lcd_text) const {
-  return scoped_refptr<RasterSource>(
-      RasterSource::CreateFromRecordingSource(this, can_use_lcd_text));
-}
-
-void RecordingSource::DetermineIfSolidColor() {
-  DCHECK(display_list_);
-  is_solid_color_ = false;
-  solid_color_ = SK_ColorTRANSPARENT;
-
-  if (!display_list_->ShouldBeAnalyzedForSolidColor())
-    return;
-
-  TRACE_EVENT1("cc", "RecordingSource::DetermineIfSolidColor", "opcount",
-               display_list_->ApproximateOpCount());
-  gfx::Size layer_size = GetSize();
-  skia::AnalysisCanvas canvas(layer_size.width(), layer_size.height());
-  display_list_->Raster(&canvas, nullptr, gfx::Rect(layer_size), 1.f);
-  is_solid_color_ = canvas.GetColorIfSolid(&solid_color_);
-}
-
-}  // namespace cc