blob: 496452250f61599ac25fbc66a464aca7c7c74fc4 [file] [log] [blame]
// 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/heads_up_display_layer_impl.h"
#include <algorithm>
#include <vector>
#include "base/numerics/safe_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/trace_event/trace_event.h"
#include "base/trace_event/trace_event_argument.h"
#include "cc/debug/debug_colors.h"
#include "cc/debug/frame_rate_counter.h"
#include "cc/output/begin_frame_args.h"
#include "cc/output/renderer.h"
#include "cc/quads/texture_draw_quad.h"
#include "cc/resources/memory_history.h"
#include "cc/trees/layer_tree_host_impl.h"
#include "cc/trees/layer_tree_impl.h"
#include "skia/ext/platform_canvas.h"
#include "third_party/skia/include/core/SkPaint.h"
#include "third_party/skia/include/core/SkPath.h"
#include "third_party/skia/include/core/SkTypeface.h"
#include "third_party/skia/include/effects/SkColorMatrixFilter.h"
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/hud_font.h"
namespace cc {
static inline SkPaint CreatePaint() {
SkPaint paint;
#if (SK_R32_SHIFT || SK_B32_SHIFT != 16)
// The SkCanvas is in RGBA but the shader is expecting BGRA, so we need to
// swizzle our colors when drawing to the SkCanvas.
SkColorMatrix swizzle_matrix;
for (int i = 0; i < 20; ++i)
swizzle_matrix.fMat[i] = 0;
swizzle_matrix.fMat[0 + 5 * 2] = 1;
swizzle_matrix.fMat[1 + 5 * 1] = 1;
swizzle_matrix.fMat[2 + 5 * 0] = 1;
swizzle_matrix.fMat[3 + 5 * 3] = 1;
skia::RefPtr<SkColorMatrixFilter> filter =
skia::AdoptRef(SkColorMatrixFilter::Create(swizzle_matrix));
paint.setColorFilter(filter.get());
#endif
return paint;
}
HeadsUpDisplayLayerImpl::Graph::Graph(double indicator_value,
double start_upper_bound)
: value(0.0),
min(0.0),
max(0.0),
current_upper_bound(start_upper_bound),
default_upper_bound(start_upper_bound),
indicator(indicator_value) {}
double HeadsUpDisplayLayerImpl::Graph::UpdateUpperBound() {
double target_upper_bound = std::max(max, default_upper_bound);
current_upper_bound += (target_upper_bound - current_upper_bound) * 0.5;
return current_upper_bound;
}
HeadsUpDisplayLayerImpl::HeadsUpDisplayLayerImpl(LayerTreeImpl* tree_impl,
int id)
: LayerImpl(tree_impl, id),
typeface_(gfx::GetHudTypeface()),
internal_contents_scale_(1.f),
fps_graph_(60.0, 80.0),
paint_time_graph_(16.0, 48.0),
fade_step_(0) {
if (!typeface_) {
typeface_ = skia::AdoptRef(
SkTypeface::CreateFromName("monospace", SkTypeface::kBold));
}
}
HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {}
scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl(
LayerTreeImpl* tree_impl) {
return HeadsUpDisplayLayerImpl::Create(tree_impl, id());
}
void HeadsUpDisplayLayerImpl::AcquireResource(
ResourceProvider* resource_provider) {
for (ScopedPtrVector<ScopedResource>::iterator it = resources_.begin();
it != resources_.end();
++it) {
if (!resource_provider->InUseByConsumer((*it)->id())) {
resources_.swap(it, resources_.end() - 1);
return;
}
}
scoped_ptr<ScopedResource> resource =
ScopedResource::Create(resource_provider);
resource->Allocate(internal_content_bounds_,
ResourceProvider::TEXTURE_HINT_IMMUTABLE, RGBA_8888);
resources_.push_back(resource.Pass());
}
class ResourceSizeIsEqualTo {
public:
explicit ResourceSizeIsEqualTo(const gfx::Size& size_)
: compare_size_(size_) {}
bool operator()(const ScopedResource* resource) {
return resource->size() == compare_size_;
}
private:
const gfx::Size compare_size_;
};
void HeadsUpDisplayLayerImpl::ReleaseUnmatchedSizeResources(
ResourceProvider* resource_provider) {
ScopedPtrVector<ScopedResource>::iterator it_erase =
resources_.partition(ResourceSizeIsEqualTo(internal_content_bounds_));
resources_.erase(it_erase, resources_.end());
}
bool HeadsUpDisplayLayerImpl::WillDraw(DrawMode draw_mode,
ResourceProvider* resource_provider) {
if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE)
return false;
internal_contents_scale_ = GetIdealContentsScale();
internal_content_bounds_ =
gfx::ToCeiledSize(gfx::ScaleSize(bounds(), internal_contents_scale_));
ReleaseUnmatchedSizeResources(resource_provider);
AcquireResource(resource_provider);
return LayerImpl::WillDraw(draw_mode, resource_provider);
}
void HeadsUpDisplayLayerImpl::AppendQuads(
RenderPass* render_pass,
AppendQuadsData* append_quads_data) {
if (!resources_.back()->id())
return;
SharedQuadState* shared_quad_state =
render_pass->CreateAndAppendSharedQuadState();
PopulateScaledSharedQuadState(shared_quad_state, internal_contents_scale_);
gfx::Rect quad_rect(internal_content_bounds_);
gfx::Rect opaque_rect(contents_opaque() ? quad_rect : gfx::Rect());
gfx::Rect visible_quad_rect(quad_rect);
bool premultiplied_alpha = true;
gfx::PointF uv_top_left(0.f, 0.f);
gfx::PointF uv_bottom_right(1.f, 1.f);
const float vertex_opacity[] = { 1.f, 1.f, 1.f, 1.f };
bool flipped = false;
bool nearest_neighbor = false;
TextureDrawQuad* quad =
render_pass->CreateAndAppendDrawQuad<TextureDrawQuad>();
quad->SetNew(shared_quad_state,
quad_rect,
opaque_rect,
visible_quad_rect,
resources_.back()->id(),
premultiplied_alpha,
uv_top_left,
uv_bottom_right,
SK_ColorTRANSPARENT,
vertex_opacity,
flipped,
nearest_neighbor);
ValidateQuadResources(quad);
}
void HeadsUpDisplayLayerImpl::UpdateHudTexture(
DrawMode draw_mode,
ResourceProvider* resource_provider) {
if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE || !resources_.back()->id())
return;
SkISize canvas_size;
if (hud_surface_)
canvas_size = hud_surface_->getCanvas()->getDeviceSize();
else
canvas_size.set(0, 0);
if (canvas_size.width() != internal_content_bounds_.width() ||
canvas_size.height() != internal_content_bounds_.height() ||
!hud_surface_) {
TRACE_EVENT0("cc", "ResizeHudCanvas");
hud_surface_ = skia::AdoptRef(SkSurface::NewRasterN32Premul(
internal_content_bounds_.width(), internal_content_bounds_.height()));
}
UpdateHudContents();
{
TRACE_EVENT0("cc", "DrawHudContents");
hud_surface_->getCanvas()->clear(SkColorSetARGB(0, 0, 0, 0));
hud_surface_->getCanvas()->save();
hud_surface_->getCanvas()->scale(internal_contents_scale_,
internal_contents_scale_);
DrawHudContents(hud_surface_->getCanvas());
hud_surface_->getCanvas()->restore();
}
TRACE_EVENT0("cc", "UploadHudTexture");
SkImageInfo info;
size_t row_bytes = 0;
const void* pixels = hud_surface_->getCanvas()->peekPixels(&info, &row_bytes);
DCHECK(pixels);
DCHECK(info.colorType() == kN32_SkColorType);
resource_provider->CopyToResource(resources_.back()->id(),
static_cast<const uint8_t*>(pixels),
internal_content_bounds_);
}
void HeadsUpDisplayLayerImpl::ReleaseResources() {
resources_.clear();
}
gfx::Rect HeadsUpDisplayLayerImpl::GetEnclosingRectInTargetSpace() const {
DCHECK_GT(internal_contents_scale_, 0.f);
return GetScaledEnclosingRectInTargetSpace(internal_contents_scale_);
}
void HeadsUpDisplayLayerImpl::UpdateHudContents() {
const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state();
// Don't update numbers every frame so text is readable.
base::TimeTicks now = layer_tree_impl()->CurrentBeginFrameArgs().frame_time;
if (base::TimeDelta(now - time_of_last_graph_update_).InSecondsF() > 0.25f) {
time_of_last_graph_update_ = now;
if (debug_state.show_fps_counter) {
FrameRateCounter* fps_counter = layer_tree_impl()->frame_rate_counter();
fps_graph_.value = fps_counter->GetAverageFPS();
fps_counter->GetMinAndMaxFPS(&fps_graph_.min, &fps_graph_.max);
}
if (debug_state.ShowMemoryStats()) {
MemoryHistory* memory_history = layer_tree_impl()->memory_history();
if (memory_history->End())
memory_entry_ = **memory_history->End();
else
memory_entry_ = MemoryHistory::Entry();
}
}
fps_graph_.UpdateUpperBound();
paint_time_graph_.UpdateUpperBound();
}
void HeadsUpDisplayLayerImpl::DrawHudContents(SkCanvas* canvas) {
const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state();
if (debug_state.ShowHudRects()) {
DrawDebugRects(canvas, layer_tree_impl()->debug_rect_history());
if (IsAnimatingHUDContents()) {
layer_tree_impl()->SetNeedsRedraw();
}
}
if (!debug_state.show_fps_counter)
return;
SkRect area =
DrawFPSDisplay(canvas, layer_tree_impl()->frame_rate_counter(), 0, 0);
area = DrawGpuRasterizationStatus(canvas, 0, area.bottom(),
SkMaxScalar(area.width(), 150));
if (debug_state.ShowMemoryStats())
DrawMemoryDisplay(canvas, 0, area.bottom(), SkMaxScalar(area.width(), 150));
}
int HeadsUpDisplayLayerImpl::MeasureText(SkPaint* paint,
const std::string& text,
int size) const {
const bool anti_alias = paint->isAntiAlias();
paint->setAntiAlias(true);
paint->setTextSize(size);
paint->setTypeface(typeface_.get());
SkScalar text_width = paint->measureText(text.c_str(), text.length());
paint->setAntiAlias(anti_alias);
return SkScalarCeilToInt(text_width);
}
void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas,
SkPaint* paint,
const std::string& text,
SkPaint::Align align,
int size,
int x,
int y) const {
const bool anti_alias = paint->isAntiAlias();
paint->setAntiAlias(true);
paint->setTextSize(size);
paint->setTextAlign(align);
paint->setTypeface(typeface_.get());
canvas->drawText(text.c_str(), text.length(), x, y, *paint);
paint->setAntiAlias(anti_alias);
}
void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas,
SkPaint* paint,
const std::string& text,
SkPaint::Align align,
int size,
const SkPoint& pos) const {
DrawText(canvas, paint, text, align, size, pos.x(), pos.y());
}
void HeadsUpDisplayLayerImpl::DrawGraphBackground(SkCanvas* canvas,
SkPaint* paint,
const SkRect& bounds) const {
paint->setColor(DebugColors::HUDBackgroundColor());
canvas->drawRect(bounds, *paint);
}
void HeadsUpDisplayLayerImpl::DrawGraphLines(SkCanvas* canvas,
SkPaint* paint,
const SkRect& bounds,
const Graph& graph) const {
// Draw top and bottom line.
paint->setColor(DebugColors::HUDSeparatorLineColor());
canvas->drawLine(bounds.left(),
bounds.top() - 1,
bounds.right(),
bounds.top() - 1,
*paint);
canvas->drawLine(
bounds.left(), bounds.bottom(), bounds.right(), bounds.bottom(), *paint);
// Draw indicator line (additive blend mode to increase contrast when drawn on
// top of graph).
paint->setColor(DebugColors::HUDIndicatorLineColor());
paint->setXfermodeMode(SkXfermode::kPlus_Mode);
const double indicator_top =
bounds.height() * (1.0 - graph.indicator / graph.current_upper_bound) -
1.0;
canvas->drawLine(bounds.left(),
bounds.top() + indicator_top,
bounds.right(),
bounds.top() + indicator_top,
*paint);
paint->setXfermode(nullptr);
}
SkRect HeadsUpDisplayLayerImpl::DrawFPSDisplay(
SkCanvas* canvas,
const FrameRateCounter* fps_counter,
int right,
int top) const {
const int kPadding = 4;
const int kGap = 6;
const int kFontHeight = 15;
const int kGraphWidth =
base::saturated_cast<int>(fps_counter->time_stamp_history_size()) - 2;
const int kGraphHeight = 40;
const int kHistogramWidth = 37;
int width = kGraphWidth + kHistogramWidth + 4 * kPadding;
int height = kFontHeight + kGraphHeight + 4 * kPadding + 2;
int left = bounds().width() - width - right;
SkRect area = SkRect::MakeXYWH(left, top, width, height);
SkPaint paint = CreatePaint();
DrawGraphBackground(canvas, &paint, area);
SkRect text_bounds =
SkRect::MakeXYWH(left + kPadding,
top + kPadding,
kGraphWidth + kHistogramWidth + kGap + 2,
kFontHeight);
SkRect graph_bounds = SkRect::MakeXYWH(left + kPadding,
text_bounds.bottom() + 2 * kPadding,
kGraphWidth,
kGraphHeight);
SkRect histogram_bounds = SkRect::MakeXYWH(graph_bounds.right() + kGap,
graph_bounds.top(),
kHistogramWidth,
kGraphHeight);
const std::string value_text =
base::StringPrintf("FPS:%5.1f", fps_graph_.value);
const std::string min_max_text =
base::StringPrintf("%.0f-%.0f", fps_graph_.min, fps_graph_.max);
VLOG(1) << value_text;
paint.setColor(DebugColors::FPSDisplayTextAndGraphColor());
DrawText(canvas,
&paint,
value_text,
SkPaint::kLeft_Align,
kFontHeight,
text_bounds.left(),
text_bounds.bottom());
DrawText(canvas,
&paint,
min_max_text,
SkPaint::kRight_Align,
kFontHeight,
text_bounds.right(),
text_bounds.bottom());
DrawGraphLines(canvas, &paint, graph_bounds, fps_graph_);
// Collect graph and histogram data.
SkPath path;
const int kHistogramSize = 20;
double histogram[kHistogramSize] = { 1.0 };
double max_bucket_value = 1.0;
for (FrameRateCounter::RingBufferType::Iterator it = --fps_counter->end(); it;
--it) {
base::TimeDelta delta = fps_counter->RecentFrameInterval(it.index() + 1);
// Skip this particular instantaneous frame rate if it is not likely to have
// been valid.
if (!fps_counter->IsBadFrameInterval(delta)) {
double fps = 1.0 / delta.InSecondsF();
// Clamp the FPS to the range we want to plot visually.
double p = fps / fps_graph_.current_upper_bound;
if (p > 1.0)
p = 1.0;
// Plot this data point.
SkPoint cur =
SkPoint::Make(graph_bounds.left() + it.index(),
graph_bounds.bottom() - p * graph_bounds.height());
if (path.isEmpty())
path.moveTo(cur);
else
path.lineTo(cur);
// Use the fps value to find the right bucket in the histogram.
int bucket_index = floor(p * (kHistogramSize - 1));
// Add the delta time to take the time spent at that fps rate into
// account.
histogram[bucket_index] += delta.InSecondsF();
max_bucket_value = std::max(histogram[bucket_index], max_bucket_value);
}
}
// Draw FPS histogram.
paint.setColor(DebugColors::HUDSeparatorLineColor());
canvas->drawLine(histogram_bounds.left() - 1,
histogram_bounds.top() - 1,
histogram_bounds.left() - 1,
histogram_bounds.bottom() + 1,
paint);
canvas->drawLine(histogram_bounds.right() + 1,
histogram_bounds.top() - 1,
histogram_bounds.right() + 1,
histogram_bounds.bottom() + 1,
paint);
paint.setColor(DebugColors::FPSDisplayTextAndGraphColor());
const double bar_height = histogram_bounds.height() / kHistogramSize;
for (int i = kHistogramSize - 1; i >= 0; --i) {
if (histogram[i] > 0) {
double bar_width =
histogram[i] / max_bucket_value * histogram_bounds.width();
canvas->drawRect(
SkRect::MakeXYWH(histogram_bounds.left(),
histogram_bounds.bottom() - (i + 1) * bar_height,
bar_width,
1),
paint);
}
}
// Draw FPS graph.
paint.setAntiAlias(true);
paint.setStyle(SkPaint::kStroke_Style);
paint.setStrokeWidth(1);
canvas->drawPath(path, paint);
return area;
}
SkRect HeadsUpDisplayLayerImpl::DrawMemoryDisplay(SkCanvas* canvas,
int right,
int top,
int width) const {
if (!memory_entry_.total_bytes_used)
return SkRect::MakeEmpty();
const int kPadding = 4;
const int kFontHeight = 13;
const int height = 3 * kFontHeight + 4 * kPadding;
const int left = bounds().width() - width - right;
const SkRect area = SkRect::MakeXYWH(left, top, width, height);
const double kMegabyte = 1024.0 * 1024.0;
SkPaint paint = CreatePaint();
DrawGraphBackground(canvas, &paint, area);
SkPoint title_pos = SkPoint::Make(left + kPadding, top + kFontHeight);
SkPoint stat1_pos = SkPoint::Make(left + width - kPadding - 1,
top + kPadding + 2 * kFontHeight);
SkPoint stat2_pos = SkPoint::Make(left + width - kPadding - 1,
top + 2 * kPadding + 3 * kFontHeight);
paint.setColor(DebugColors::MemoryDisplayTextColor());
DrawText(canvas,
&paint,
"GPU memory",
SkPaint::kLeft_Align,
kFontHeight,
title_pos);
std::string text = base::StringPrintf(
"%6.1f MB used", memory_entry_.total_bytes_used / kMegabyte);
DrawText(canvas, &paint, text, SkPaint::kRight_Align, kFontHeight, stat1_pos);
if (!memory_entry_.had_enough_memory)
paint.setColor(SK_ColorRED);
text = base::StringPrintf("%6.1f MB max ",
memory_entry_.total_budget_in_bytes / kMegabyte);
DrawText(canvas, &paint, text, SkPaint::kRight_Align, kFontHeight, stat2_pos);
return area;
}
SkRect HeadsUpDisplayLayerImpl::DrawGpuRasterizationStatus(SkCanvas* canvas,
int right,
int top,
int width) const {
std::string status;
SkColor color = SK_ColorRED;
switch (layer_tree_impl()->GetGpuRasterizationStatus()) {
case GpuRasterizationStatus::ON:
status = "on";
color = SK_ColorGREEN;
break;
case GpuRasterizationStatus::ON_FORCED:
status = "on (forced)";
color = SK_ColorGREEN;
break;
case GpuRasterizationStatus::OFF_DEVICE:
status = "off (device)";
color = SK_ColorRED;
break;
case GpuRasterizationStatus::OFF_VIEWPORT:
status = "off (viewport)";
color = SK_ColorYELLOW;
break;
case GpuRasterizationStatus::MSAA_CONTENT:
status = "MSAA (content)";
color = SK_ColorCYAN;
break;
case GpuRasterizationStatus::OFF_CONTENT:
status = "off (content)";
color = SK_ColorYELLOW;
break;
}
if (status.empty())
return SkRect::MakeEmpty();
const int kPadding = 4;
const int kFontHeight = 13;
const int height = 2 * kFontHeight + 3 * kPadding;
const int left = bounds().width() - width - right;
const SkRect area = SkRect::MakeXYWH(left, top, width, height);
SkPaint paint = CreatePaint();
DrawGraphBackground(canvas, &paint, area);
SkPoint gpu_status_pos = SkPoint::Make(left + width - kPadding,
top + 2 * kFontHeight + 2 * kPadding);
paint.setColor(color);
DrawText(canvas, &paint, "GPU raster: ", SkPaint::kLeft_Align, kFontHeight,
left + kPadding, top + kFontHeight + kPadding);
DrawText(canvas, &paint, status, SkPaint::kRight_Align, kFontHeight,
gpu_status_pos);
return area;
}
void HeadsUpDisplayLayerImpl::DrawDebugRect(
SkCanvas* canvas,
SkPaint* paint,
const DebugRect& rect,
SkColor stroke_color,
SkColor fill_color,
float stroke_width,
const std::string& label_text) const {
gfx::Rect debug_layer_rect =
gfx::ScaleToEnclosingRect(rect.rect, 1.0 / internal_contents_scale_,
1.0 / internal_contents_scale_);
SkIRect sk_rect = RectToSkIRect(debug_layer_rect);
paint->setColor(fill_color);
paint->setStyle(SkPaint::kFill_Style);
canvas->drawIRect(sk_rect, *paint);
paint->setColor(stroke_color);
paint->setStyle(SkPaint::kStroke_Style);
paint->setStrokeWidth(SkFloatToScalar(stroke_width));
canvas->drawIRect(sk_rect, *paint);
if (label_text.length()) {
const int kFontHeight = 12;
const int kPadding = 3;
// The debug_layer_rect may be huge, and converting to a floating point may
// be lossy, so intersect with the HUD layer bounds first to prevent that.
gfx::Rect clip_rect = debug_layer_rect;
clip_rect.Intersect(gfx::Rect(internal_content_bounds_));
SkRect sk_clip_rect = RectToSkRect(clip_rect);
canvas->save();
canvas->clipRect(sk_clip_rect);
canvas->translate(sk_clip_rect.x(), sk_clip_rect.y());
SkPaint label_paint = CreatePaint();
label_paint.setTextSize(kFontHeight);
label_paint.setTypeface(typeface_.get());
label_paint.setColor(stroke_color);
const SkScalar label_text_width =
label_paint.measureText(label_text.c_str(), label_text.length());
canvas->drawRect(SkRect::MakeWH(label_text_width + 2 * kPadding,
kFontHeight + 2 * kPadding),
label_paint);
label_paint.setAntiAlias(true);
label_paint.setColor(SkColorSetARGB(255, 50, 50, 50));
canvas->drawText(label_text.c_str(),
label_text.length(),
kPadding,
kFontHeight * 0.8f + kPadding,
label_paint);
canvas->restore();
}
}
void HeadsUpDisplayLayerImpl::DrawDebugRects(
SkCanvas* canvas,
DebugRectHistory* debug_rect_history) {
SkPaint paint = CreatePaint();
const std::vector<DebugRect>& debug_rects = debug_rect_history->debug_rects();
std::vector<DebugRect> new_paint_rects;
for (size_t i = 0; i < debug_rects.size(); ++i) {
SkColor stroke_color = 0;
SkColor fill_color = 0;
float stroke_width = 0.f;
std::string label_text;
switch (debug_rects[i].type) {
case PAINT_RECT_TYPE:
new_paint_rects.push_back(debug_rects[i]);
continue;
case PROPERTY_CHANGED_RECT_TYPE:
stroke_color = DebugColors::PropertyChangedRectBorderColor();
fill_color = DebugColors::PropertyChangedRectFillColor();
stroke_width = DebugColors::PropertyChangedRectBorderWidth();
break;
case SURFACE_DAMAGE_RECT_TYPE:
stroke_color = DebugColors::SurfaceDamageRectBorderColor();
fill_color = DebugColors::SurfaceDamageRectFillColor();
stroke_width = DebugColors::SurfaceDamageRectBorderWidth();
break;
case REPLICA_SCREEN_SPACE_RECT_TYPE:
stroke_color = DebugColors::ScreenSpaceSurfaceReplicaRectBorderColor();
fill_color = DebugColors::ScreenSpaceSurfaceReplicaRectFillColor();
stroke_width = DebugColors::ScreenSpaceSurfaceReplicaRectBorderWidth();
break;
case SCREEN_SPACE_RECT_TYPE:
stroke_color = DebugColors::ScreenSpaceLayerRectBorderColor();
fill_color = DebugColors::ScreenSpaceLayerRectFillColor();
stroke_width = DebugColors::ScreenSpaceLayerRectBorderWidth();
break;
case TOUCH_EVENT_HANDLER_RECT_TYPE:
stroke_color = DebugColors::TouchEventHandlerRectBorderColor();
fill_color = DebugColors::TouchEventHandlerRectFillColor();
stroke_width = DebugColors::TouchEventHandlerRectBorderWidth();
label_text = "touch event listener";
break;
case WHEEL_EVENT_HANDLER_RECT_TYPE:
stroke_color = DebugColors::WheelEventHandlerRectBorderColor();
fill_color = DebugColors::WheelEventHandlerRectFillColor();
stroke_width = DebugColors::WheelEventHandlerRectBorderWidth();
label_text = "mousewheel event listener";
break;
case SCROLL_EVENT_HANDLER_RECT_TYPE:
stroke_color = DebugColors::ScrollEventHandlerRectBorderColor();
fill_color = DebugColors::ScrollEventHandlerRectFillColor();
stroke_width = DebugColors::ScrollEventHandlerRectBorderWidth();
label_text = "scroll event listener";
break;
case NON_FAST_SCROLLABLE_RECT_TYPE:
stroke_color = DebugColors::NonFastScrollableRectBorderColor();
fill_color = DebugColors::NonFastScrollableRectFillColor();
stroke_width = DebugColors::NonFastScrollableRectBorderWidth();
label_text = "repaints on scroll";
break;
case ANIMATION_BOUNDS_RECT_TYPE:
stroke_color = DebugColors::LayerAnimationBoundsBorderColor();
fill_color = DebugColors::LayerAnimationBoundsFillColor();
stroke_width = DebugColors::LayerAnimationBoundsBorderWidth();
label_text = "animation bounds";
break;
}
DrawDebugRect(canvas,
&paint,
debug_rects[i],
stroke_color,
fill_color,
stroke_width,
label_text);
}
if (new_paint_rects.size()) {
paint_rects_.swap(new_paint_rects);
fade_step_ = DebugColors::kFadeSteps;
}
if (fade_step_ > 0) {
fade_step_--;
for (size_t i = 0; i < paint_rects_.size(); ++i) {
DrawDebugRect(canvas,
&paint,
paint_rects_[i],
DebugColors::PaintRectBorderColor(fade_step_),
DebugColors::PaintRectFillColor(fade_step_),
DebugColors::PaintRectBorderWidth(),
"");
}
}
}
const char* HeadsUpDisplayLayerImpl::LayerTypeAsString() const {
return "cc::HeadsUpDisplayLayerImpl";
}
void HeadsUpDisplayLayerImpl::AsValueInto(
base::trace_event::TracedValue* dict) const {
LayerImpl::AsValueInto(dict);
dict->SetString("layer_name", "Heads Up Display Layer");
}
} // namespace cc