blob: b94d1464349b4bc0e14470a4170e15b557d56d8f [file] [log] [blame]
// 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/blink/web_display_item_list_impl.h"
#include <stddef.h>
#include <stdint.h>
#include <vector>
#include "cc/playback/clip_display_item.h"
#include "cc/playback/clip_path_display_item.h"
#include "cc/playback/compositing_display_item.h"
#include "cc/playback/display_item_list_settings.h"
#include "cc/playback/drawing_display_item.h"
#include "cc/playback/filter_display_item.h"
#include "cc/playback/float_clip_display_item.h"
#include "cc/playback/transform_display_item.h"
#include "third_party/WebKit/public/platform/WebFloatRect.h"
#include "third_party/WebKit/public/platform/WebRect.h"
#include "third_party/skia/include/core/SkColorFilter.h"
#include "third_party/skia/include/core/SkMatrix44.h"
#include "third_party/skia/include/core/SkPicture.h"
#include "ui/gfx/geometry/rect_conversions.h"
#include "ui/gfx/geometry/safe_integer_conversions.h"
#include "ui/gfx/transform.h"
namespace cc_blink {
namespace {
scoped_refptr<cc::DisplayItemList> CreateUncachedDisplayItemListForBlink() {
cc::DisplayItemListSettings settings;
settings.use_cached_picture = false;
return cc::DisplayItemList::Create(settings);
}
} // namespace
WebDisplayItemListImpl::WebDisplayItemListImpl()
: display_item_list_(CreateUncachedDisplayItemListForBlink()) {
}
WebDisplayItemListImpl::WebDisplayItemListImpl(
cc::DisplayItemList* display_list)
: display_item_list_(display_list) {
}
void WebDisplayItemListImpl::appendDrawingItem(
const blink::WebRect& visual_rect,
sk_sp<const SkPicture> picture) {
display_item_list_->CreateAndAppendDrawingItem<cc::DrawingDisplayItem>(
visual_rect, std::move(picture));
}
void WebDisplayItemListImpl::appendClipItem(
const blink::WebRect& clip_rect,
const blink::WebVector<SkRRect>& rounded_clip_rects) {
std::vector<SkRRect> rounded_rects;
for (size_t i = 0; i < rounded_clip_rects.size(); ++i) {
rounded_rects.push_back(rounded_clip_rects[i]);
}
bool antialias = true;
display_item_list_->CreateAndAppendPairedBeginItem<cc::ClipDisplayItem>(
clip_rect, rounded_rects, antialias);
}
void WebDisplayItemListImpl::appendEndClipItem() {
display_item_list_->CreateAndAppendPairedEndItem<cc::EndClipDisplayItem>();
}
void WebDisplayItemListImpl::appendClipPathItem(const SkPath& clip_path,
SkClipOp clip_op,
bool antialias) {
display_item_list_->CreateAndAppendPairedBeginItem<cc::ClipPathDisplayItem>(
clip_path, clip_op, antialias);
}
void WebDisplayItemListImpl::appendEndClipPathItem() {
display_item_list_
->CreateAndAppendPairedEndItem<cc::EndClipPathDisplayItem>();
}
void WebDisplayItemListImpl::appendFloatClipItem(
const blink::WebFloatRect& clip_rect) {
display_item_list_->CreateAndAppendPairedBeginItem<cc::FloatClipDisplayItem>(
clip_rect);
}
void WebDisplayItemListImpl::appendEndFloatClipItem() {
display_item_list_
->CreateAndAppendPairedEndItem<cc::EndFloatClipDisplayItem>();
}
void WebDisplayItemListImpl::appendTransformItem(
const SkMatrix44& matrix) {
gfx::Transform transform(gfx::Transform::kSkipInitialization);
transform.matrix() = matrix;
display_item_list_->CreateAndAppendPairedBeginItem<cc::TransformDisplayItem>(
transform);
}
void WebDisplayItemListImpl::appendEndTransformItem() {
display_item_list_
->CreateAndAppendPairedEndItem<cc::EndTransformDisplayItem>();
}
void WebDisplayItemListImpl::appendCompositingItem(
float opacity,
SkBlendMode xfermode,
SkRect* bounds,
SkColorFilter* color_filter) {
DCHECK_GE(opacity, 0.f);
DCHECK_LE(opacity, 1.f);
// TODO(ajuma): This should really be rounding instead of flooring the alpha
// value, but that breaks slimming paint reftests.
const bool kLcdTextRequiresOpaqueLayer = true;
display_item_list_
->CreateAndAppendPairedBeginItem<cc::CompositingDisplayItem>(
static_cast<uint8_t>(gfx::ToFlooredInt(255 * opacity)), xfermode,
bounds, sk_ref_sp(color_filter), kLcdTextRequiresOpaqueLayer);
}
void WebDisplayItemListImpl::appendEndCompositingItem() {
display_item_list_
->CreateAndAppendPairedEndItem<cc::EndCompositingDisplayItem>();
}
void WebDisplayItemListImpl::appendFilterItem(
const cc::FilterOperations& filters,
const blink::WebFloatRect& filter_bounds,
const blink::WebFloatPoint& origin) {
display_item_list_
->CreateAndAppendPairedBeginItemWithVisualRect<cc::FilterDisplayItem>(
gfx::ToEnclosingRect(filter_bounds), filters, filter_bounds, origin);
}
void WebDisplayItemListImpl::appendEndFilterItem() {
display_item_list_->CreateAndAppendPairedEndItem<cc::EndFilterDisplayItem>();
}
void WebDisplayItemListImpl::appendScrollItem(
const blink::WebSize& scroll_offset,
ScrollContainerId) {
SkMatrix44 matrix(SkMatrix44::kUninitialized_Constructor);
matrix.setTranslate(-scroll_offset.width, -scroll_offset.height, 0);
// TODO(wkorman): http://crbug.com/633636 Should we translate the visual rect
// as well? Create a test case and investigate.
appendTransformItem(matrix);
}
void WebDisplayItemListImpl::appendEndScrollItem() {
appendEndTransformItem();
}
void WebDisplayItemListImpl::setIsSuitableForGpuRasterization(bool isSuitable) {
display_item_list_->SetIsSuitableForGpuRasterization(isSuitable);
}
void WebDisplayItemListImpl::setImpliedColorSpace(
const gfx::ColorSpace& implied_color_space) {
display_item_list_->SetImpliedColorSpace(implied_color_space);
}
WebDisplayItemListImpl::~WebDisplayItemListImpl() {
}
} // namespace cc_blink