1 // Copyright 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "cc/layers/heads_up_display_layer_impl.h"
6
7 #include <algorithm>
8 #include <vector>
9
10 #include "base/debug/trace_event.h"
11 #include "base/debug/trace_event_argument.h"
12 #include "base/strings/stringprintf.h"
13 #include "cc/debug/debug_colors.h"
14 #include "cc/debug/frame_rate_counter.h"
15 #include "cc/debug/paint_time_counter.h"
16 #include "cc/output/begin_frame_args.h"
17 #include "cc/output/renderer.h"
18 #include "cc/quads/texture_draw_quad.h"
19 #include "cc/resources/memory_history.h"
20 #include "cc/trees/layer_tree_impl.h"
21 #include "skia/ext/platform_canvas.h"
22 #include "third_party/khronos/GLES2/gl2.h"
23 #include "third_party/khronos/GLES2/gl2ext.h"
24 #include "third_party/skia/include/core/SkBitmap.h"
25 #include "third_party/skia/include/core/SkPaint.h"
26 #include "third_party/skia/include/core/SkTypeface.h"
27 #include "third_party/skia/include/effects/SkColorMatrixFilter.h"
28 #include "ui/gfx/point.h"
29 #include "ui/gfx/size.h"
30
31 namespace cc {
32
CreatePaint()33 static inline SkPaint CreatePaint() {
34 SkPaint paint;
35 #if (SK_R32_SHIFT || SK_B32_SHIFT != 16)
36 // The SkCanvas is in RGBA but the shader is expecting BGRA, so we need to
37 // swizzle our colors when drawing to the SkCanvas.
38 SkColorMatrix swizzle_matrix;
39 for (int i = 0; i < 20; ++i)
40 swizzle_matrix.fMat[i] = 0;
41 swizzle_matrix.fMat[0 + 5 * 2] = 1;
42 swizzle_matrix.fMat[1 + 5 * 1] = 1;
43 swizzle_matrix.fMat[2 + 5 * 0] = 1;
44 swizzle_matrix.fMat[3 + 5 * 3] = 1;
45
46 skia::RefPtr<SkColorMatrixFilter> filter =
47 skia::AdoptRef(SkColorMatrixFilter::Create(swizzle_matrix));
48 paint.setColorFilter(filter.get());
49 #endif
50 return paint;
51 }
52
Graph(double indicator_value,double start_upper_bound)53 HeadsUpDisplayLayerImpl::Graph::Graph(double indicator_value,
54 double start_upper_bound)
55 : value(0.0),
56 min(0.0),
57 max(0.0),
58 current_upper_bound(start_upper_bound),
59 default_upper_bound(start_upper_bound),
60 indicator(indicator_value) {}
61
UpdateUpperBound()62 double HeadsUpDisplayLayerImpl::Graph::UpdateUpperBound() {
63 double target_upper_bound = std::max(max, default_upper_bound);
64 current_upper_bound += (target_upper_bound - current_upper_bound) * 0.5;
65 return current_upper_bound;
66 }
67
HeadsUpDisplayLayerImpl(LayerTreeImpl * tree_impl,int id)68 HeadsUpDisplayLayerImpl::HeadsUpDisplayLayerImpl(LayerTreeImpl* tree_impl,
69 int id)
70 : LayerImpl(tree_impl, id),
71 typeface_(skia::AdoptRef(
72 SkTypeface::CreateFromName("monospace", SkTypeface::kBold))),
73 fps_graph_(60.0, 80.0),
74 paint_time_graph_(16.0, 48.0),
75 fade_step_(0) {}
76
~HeadsUpDisplayLayerImpl()77 HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {}
78
CreateLayerImpl(LayerTreeImpl * tree_impl)79 scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl(
80 LayerTreeImpl* tree_impl) {
81 return HeadsUpDisplayLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
82 }
83
AcquireResource(ResourceProvider * resource_provider)84 void HeadsUpDisplayLayerImpl::AcquireResource(
85 ResourceProvider* resource_provider) {
86 for (ScopedPtrVector<ScopedResource>::iterator it = resources_.begin();
87 it != resources_.end();
88 ++it) {
89 if (!resource_provider->InUseByConsumer((*it)->id())) {
90 resources_.swap(it, resources_.end() - 1);
91 return;
92 }
93 }
94
95 scoped_ptr<ScopedResource> resource =
96 ScopedResource::Create(resource_provider);
97 resource->Allocate(
98 content_bounds(), ResourceProvider::TextureHintImmutable, RGBA_8888);
99 resources_.push_back(resource.Pass());
100 }
101
102 class ResourceSizeIsEqualTo {
103 public:
ResourceSizeIsEqualTo(const gfx::Size & size_)104 explicit ResourceSizeIsEqualTo(const gfx::Size& size_)
105 : compare_size_(size_) {}
106
operator ()(const ScopedResource * resource)107 bool operator()(const ScopedResource* resource) {
108 return resource->size() == compare_size_;
109 }
110
111 private:
112 const gfx::Size compare_size_;
113 };
114
ReleaseUnmatchedSizeResources(ResourceProvider * resource_provider)115 void HeadsUpDisplayLayerImpl::ReleaseUnmatchedSizeResources(
116 ResourceProvider* resource_provider) {
117 ScopedPtrVector<ScopedResource>::iterator it_erase =
118 resources_.partition(ResourceSizeIsEqualTo(content_bounds()));
119 resources_.erase(it_erase, resources_.end());
120 }
121
WillDraw(DrawMode draw_mode,ResourceProvider * resource_provider)122 bool HeadsUpDisplayLayerImpl::WillDraw(DrawMode draw_mode,
123 ResourceProvider* resource_provider) {
124 if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE)
125 return false;
126
127 ReleaseUnmatchedSizeResources(resource_provider);
128 AcquireResource(resource_provider);
129 return LayerImpl::WillDraw(draw_mode, resource_provider);
130 }
131
AppendQuads(RenderPass * render_pass,const OcclusionTracker<LayerImpl> & occlusion_tracker,AppendQuadsData * append_quads_data)132 void HeadsUpDisplayLayerImpl::AppendQuads(
133 RenderPass* render_pass,
134 const OcclusionTracker<LayerImpl>& occlusion_tracker,
135 AppendQuadsData* append_quads_data) {
136 if (!resources_.back()->id())
137 return;
138
139 SharedQuadState* shared_quad_state =
140 render_pass->CreateAndAppendSharedQuadState();
141 PopulateSharedQuadState(shared_quad_state);
142
143 gfx::Rect quad_rect(content_bounds());
144 gfx::Rect opaque_rect(contents_opaque() ? quad_rect : gfx::Rect());
145 gfx::Rect visible_quad_rect(quad_rect);
146 bool premultiplied_alpha = true;
147 gfx::PointF uv_top_left(0.f, 0.f);
148 gfx::PointF uv_bottom_right(1.f, 1.f);
149 const float vertex_opacity[] = { 1.f, 1.f, 1.f, 1.f };
150 bool flipped = false;
151 TextureDrawQuad* quad =
152 render_pass->CreateAndAppendDrawQuad<TextureDrawQuad>();
153 quad->SetNew(shared_quad_state,
154 quad_rect,
155 opaque_rect,
156 visible_quad_rect,
157 resources_.back()->id(),
158 premultiplied_alpha,
159 uv_top_left,
160 uv_bottom_right,
161 SK_ColorTRANSPARENT,
162 vertex_opacity,
163 flipped);
164 }
165
UpdateHudTexture(DrawMode draw_mode,ResourceProvider * resource_provider)166 void HeadsUpDisplayLayerImpl::UpdateHudTexture(
167 DrawMode draw_mode,
168 ResourceProvider* resource_provider) {
169 if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE || !resources_.back()->id())
170 return;
171
172 SkISize canvas_size;
173 if (hud_canvas_)
174 canvas_size = hud_canvas_->getDeviceSize();
175 else
176 canvas_size.set(0, 0);
177
178 if (canvas_size.width() != content_bounds().width() ||
179 canvas_size.height() != content_bounds().height() || !hud_canvas_) {
180 TRACE_EVENT0("cc", "ResizeHudCanvas");
181 bool opaque = false;
182 hud_canvas_ = make_scoped_ptr(skia::CreateBitmapCanvas(
183 content_bounds().width(), content_bounds().height(), opaque));
184 }
185
186 UpdateHudContents();
187
188 {
189 TRACE_EVENT0("cc", "DrawHudContents");
190 hud_canvas_->clear(SkColorSetARGB(0, 0, 0, 0));
191 hud_canvas_->save();
192 hud_canvas_->scale(contents_scale_x(), contents_scale_y());
193
194 DrawHudContents(hud_canvas_.get());
195
196 hud_canvas_->restore();
197 }
198
199 TRACE_EVENT0("cc", "UploadHudTexture");
200 SkImageInfo info;
201 size_t row_bytes = 0;
202 const void* pixels = hud_canvas_->peekPixels(&info, &row_bytes);
203 DCHECK(pixels);
204 gfx::Rect content_rect(content_bounds());
205 DCHECK(info.colorType() == kN32_SkColorType);
206 resource_provider->SetPixels(resources_.back()->id(),
207 static_cast<const uint8_t*>(pixels),
208 content_rect,
209 content_rect,
210 gfx::Vector2d());
211 }
212
ReleaseResources()213 void HeadsUpDisplayLayerImpl::ReleaseResources() {
214 resources_.clear();
215 }
216
UpdateHudContents()217 void HeadsUpDisplayLayerImpl::UpdateHudContents() {
218 const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state();
219
220 // Don't update numbers every frame so text is readable.
221 base::TimeTicks now = layer_tree_impl()->CurrentBeginFrameArgs().frame_time;
222 if (base::TimeDelta(now - time_of_last_graph_update_).InSecondsF() > 0.25f) {
223 time_of_last_graph_update_ = now;
224
225 if (debug_state.show_fps_counter) {
226 FrameRateCounter* fps_counter = layer_tree_impl()->frame_rate_counter();
227 fps_graph_.value = fps_counter->GetAverageFPS();
228 fps_counter->GetMinAndMaxFPS(&fps_graph_.min, &fps_graph_.max);
229 }
230
231 if (debug_state.continuous_painting) {
232 PaintTimeCounter* paint_time_counter =
233 layer_tree_impl()->paint_time_counter();
234 base::TimeDelta latest, min, max;
235
236 if (paint_time_counter->End())
237 latest = **paint_time_counter->End();
238 paint_time_counter->GetMinAndMaxPaintTime(&min, &max);
239
240 paint_time_graph_.value = latest.InMillisecondsF();
241 paint_time_graph_.min = min.InMillisecondsF();
242 paint_time_graph_.max = max.InMillisecondsF();
243 }
244
245 if (debug_state.ShowMemoryStats()) {
246 MemoryHistory* memory_history = layer_tree_impl()->memory_history();
247 if (memory_history->End())
248 memory_entry_ = **memory_history->End();
249 else
250 memory_entry_ = MemoryHistory::Entry();
251 }
252 }
253
254 fps_graph_.UpdateUpperBound();
255 paint_time_graph_.UpdateUpperBound();
256 }
257
DrawHudContents(SkCanvas * canvas)258 void HeadsUpDisplayLayerImpl::DrawHudContents(SkCanvas* canvas) {
259 const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state();
260
261 if (debug_state.ShowHudRects()) {
262 DrawDebugRects(canvas, layer_tree_impl()->debug_rect_history());
263 if (IsAnimatingHUDContents()) {
264 layer_tree_impl()->SetNeedsRedraw();
265 }
266 }
267
268 SkRect area = SkRect::MakeEmpty();
269 if (debug_state.continuous_painting) {
270 area = DrawPaintTimeDisplay(
271 canvas, layer_tree_impl()->paint_time_counter(), 0, 0);
272 } else if (debug_state.show_fps_counter) {
273 // Don't show the FPS display when continuous painting is enabled, because
274 // it would show misleading numbers.
275 area =
276 DrawFPSDisplay(canvas, layer_tree_impl()->frame_rate_counter(), 0, 0);
277 }
278
279 if (debug_state.ShowMemoryStats())
280 DrawMemoryDisplay(canvas, 0, area.bottom(), SkMaxScalar(area.width(), 150));
281 }
282
DrawText(SkCanvas * canvas,SkPaint * paint,const std::string & text,SkPaint::Align align,int size,int x,int y) const283 void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas,
284 SkPaint* paint,
285 const std::string& text,
286 SkPaint::Align align,
287 int size,
288 int x,
289 int y) const {
290 const bool anti_alias = paint->isAntiAlias();
291 paint->setAntiAlias(true);
292
293 paint->setTextSize(size);
294 paint->setTextAlign(align);
295 paint->setTypeface(typeface_.get());
296 canvas->drawText(text.c_str(), text.length(), x, y, *paint);
297
298 paint->setAntiAlias(anti_alias);
299 }
300
DrawText(SkCanvas * canvas,SkPaint * paint,const std::string & text,SkPaint::Align align,int size,const SkPoint & pos) const301 void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas,
302 SkPaint* paint,
303 const std::string& text,
304 SkPaint::Align align,
305 int size,
306 const SkPoint& pos) const {
307 DrawText(canvas, paint, text, align, size, pos.x(), pos.y());
308 }
309
DrawGraphBackground(SkCanvas * canvas,SkPaint * paint,const SkRect & bounds) const310 void HeadsUpDisplayLayerImpl::DrawGraphBackground(SkCanvas* canvas,
311 SkPaint* paint,
312 const SkRect& bounds) const {
313 paint->setColor(DebugColors::HUDBackgroundColor());
314 canvas->drawRect(bounds, *paint);
315 }
316
DrawGraphLines(SkCanvas * canvas,SkPaint * paint,const SkRect & bounds,const Graph & graph) const317 void HeadsUpDisplayLayerImpl::DrawGraphLines(SkCanvas* canvas,
318 SkPaint* paint,
319 const SkRect& bounds,
320 const Graph& graph) const {
321 // Draw top and bottom line.
322 paint->setColor(DebugColors::HUDSeparatorLineColor());
323 canvas->drawLine(bounds.left(),
324 bounds.top() - 1,
325 bounds.right(),
326 bounds.top() - 1,
327 *paint);
328 canvas->drawLine(
329 bounds.left(), bounds.bottom(), bounds.right(), bounds.bottom(), *paint);
330
331 // Draw indicator line (additive blend mode to increase contrast when drawn on
332 // top of graph).
333 paint->setColor(DebugColors::HUDIndicatorLineColor());
334 paint->setXfermodeMode(SkXfermode::kPlus_Mode);
335 const double indicator_top =
336 bounds.height() * (1.0 - graph.indicator / graph.current_upper_bound) -
337 1.0;
338 canvas->drawLine(bounds.left(),
339 bounds.top() + indicator_top,
340 bounds.right(),
341 bounds.top() + indicator_top,
342 *paint);
343 paint->setXfermode(NULL);
344 }
345
DrawFPSDisplay(SkCanvas * canvas,const FrameRateCounter * fps_counter,int right,int top) const346 SkRect HeadsUpDisplayLayerImpl::DrawFPSDisplay(
347 SkCanvas* canvas,
348 const FrameRateCounter* fps_counter,
349 int right,
350 int top) const {
351 const int kPadding = 4;
352 const int kGap = 6;
353
354 const int kFontHeight = 15;
355
356 const int kGraphWidth = fps_counter->time_stamp_history_size() - 2;
357 const int kGraphHeight = 40;
358
359 const int kHistogramWidth = 37;
360
361 int width = kGraphWidth + kHistogramWidth + 4 * kPadding;
362 int height = kFontHeight + kGraphHeight + 4 * kPadding + 2;
363 int left = bounds().width() - width - right;
364 SkRect area = SkRect::MakeXYWH(left, top, width, height);
365
366 SkPaint paint = CreatePaint();
367 DrawGraphBackground(canvas, &paint, area);
368
369 SkRect text_bounds =
370 SkRect::MakeXYWH(left + kPadding,
371 top + kPadding,
372 kGraphWidth + kHistogramWidth + kGap + 2,
373 kFontHeight);
374 SkRect graph_bounds = SkRect::MakeXYWH(left + kPadding,
375 text_bounds.bottom() + 2 * kPadding,
376 kGraphWidth,
377 kGraphHeight);
378 SkRect histogram_bounds = SkRect::MakeXYWH(graph_bounds.right() + kGap,
379 graph_bounds.top(),
380 kHistogramWidth,
381 kGraphHeight);
382
383 const std::string value_text =
384 base::StringPrintf("FPS:%5.1f", fps_graph_.value);
385 const std::string min_max_text =
386 base::StringPrintf("%.0f-%.0f", fps_graph_.min, fps_graph_.max);
387
388 paint.setColor(DebugColors::FPSDisplayTextAndGraphColor());
389 DrawText(canvas,
390 &paint,
391 value_text,
392 SkPaint::kLeft_Align,
393 kFontHeight,
394 text_bounds.left(),
395 text_bounds.bottom());
396 DrawText(canvas,
397 &paint,
398 min_max_text,
399 SkPaint::kRight_Align,
400 kFontHeight,
401 text_bounds.right(),
402 text_bounds.bottom());
403
404 DrawGraphLines(canvas, &paint, graph_bounds, fps_graph_);
405
406 // Collect graph and histogram data.
407 SkPath path;
408
409 const int kHistogramSize = 20;
410 double histogram[kHistogramSize] = { 1.0 };
411 double max_bucket_value = 1.0;
412
413 for (FrameRateCounter::RingBufferType::Iterator it = --fps_counter->end(); it;
414 --it) {
415 base::TimeDelta delta = fps_counter->RecentFrameInterval(it.index() + 1);
416
417 // Skip this particular instantaneous frame rate if it is not likely to have
418 // been valid.
419 if (!fps_counter->IsBadFrameInterval(delta)) {
420 double fps = 1.0 / delta.InSecondsF();
421
422 // Clamp the FPS to the range we want to plot visually.
423 double p = fps / fps_graph_.current_upper_bound;
424 if (p > 1.0)
425 p = 1.0;
426
427 // Plot this data point.
428 SkPoint cur =
429 SkPoint::Make(graph_bounds.left() + it.index(),
430 graph_bounds.bottom() - p * graph_bounds.height());
431 if (path.isEmpty())
432 path.moveTo(cur);
433 else
434 path.lineTo(cur);
435
436 // Use the fps value to find the right bucket in the histogram.
437 int bucket_index = floor(p * (kHistogramSize - 1));
438
439 // Add the delta time to take the time spent at that fps rate into
440 // account.
441 histogram[bucket_index] += delta.InSecondsF();
442 max_bucket_value = std::max(histogram[bucket_index], max_bucket_value);
443 }
444 }
445
446 // Draw FPS histogram.
447 paint.setColor(DebugColors::HUDSeparatorLineColor());
448 canvas->drawLine(histogram_bounds.left() - 1,
449 histogram_bounds.top() - 1,
450 histogram_bounds.left() - 1,
451 histogram_bounds.bottom() + 1,
452 paint);
453 canvas->drawLine(histogram_bounds.right() + 1,
454 histogram_bounds.top() - 1,
455 histogram_bounds.right() + 1,
456 histogram_bounds.bottom() + 1,
457 paint);
458
459 paint.setColor(DebugColors::FPSDisplayTextAndGraphColor());
460 const double bar_height = histogram_bounds.height() / kHistogramSize;
461
462 for (int i = kHistogramSize - 1; i >= 0; --i) {
463 if (histogram[i] > 0) {
464 double bar_width =
465 histogram[i] / max_bucket_value * histogram_bounds.width();
466 canvas->drawRect(
467 SkRect::MakeXYWH(histogram_bounds.left(),
468 histogram_bounds.bottom() - (i + 1) * bar_height,
469 bar_width,
470 1),
471 paint);
472 }
473 }
474
475 // Draw FPS graph.
476 paint.setAntiAlias(true);
477 paint.setStyle(SkPaint::kStroke_Style);
478 paint.setStrokeWidth(1);
479 canvas->drawPath(path, paint);
480
481 return area;
482 }
483
DrawMemoryDisplay(SkCanvas * canvas,int right,int top,int width) const484 SkRect HeadsUpDisplayLayerImpl::DrawMemoryDisplay(SkCanvas* canvas,
485 int right,
486 int top,
487 int width) const {
488 if (!memory_entry_.bytes_total())
489 return SkRect::MakeEmpty();
490
491 const int kPadding = 4;
492 const int kFontHeight = 13;
493
494 const int height = 3 * kFontHeight + 4 * kPadding;
495 const int left = bounds().width() - width - right;
496 const SkRect area = SkRect::MakeXYWH(left, top, width, height);
497
498 const double megabyte = 1024.0 * 1024.0;
499
500 SkPaint paint = CreatePaint();
501 DrawGraphBackground(canvas, &paint, area);
502
503 SkPoint title_pos = SkPoint::Make(left + kPadding, top + kFontHeight);
504 SkPoint stat1_pos = SkPoint::Make(left + width - kPadding - 1,
505 top + kPadding + 2 * kFontHeight);
506 SkPoint stat2_pos = SkPoint::Make(left + width - kPadding - 1,
507 top + 2 * kPadding + 3 * kFontHeight);
508
509 paint.setColor(DebugColors::MemoryDisplayTextColor());
510 DrawText(canvas,
511 &paint,
512 "GPU memory",
513 SkPaint::kLeft_Align,
514 kFontHeight,
515 title_pos);
516
517 std::string text =
518 base::StringPrintf("%6.1f MB used",
519 (memory_entry_.bytes_unreleasable +
520 memory_entry_.bytes_allocated) / megabyte);
521 DrawText(canvas, &paint, text, SkPaint::kRight_Align, kFontHeight, stat1_pos);
522
523 if (memory_entry_.bytes_over) {
524 paint.setColor(SK_ColorRED);
525 text = base::StringPrintf("%6.1f MB over",
526 memory_entry_.bytes_over / megabyte);
527 } else {
528 text = base::StringPrintf("%6.1f MB max ",
529 memory_entry_.total_budget_in_bytes / megabyte);
530 }
531 DrawText(canvas, &paint, text, SkPaint::kRight_Align, kFontHeight, stat2_pos);
532
533 return area;
534 }
535
DrawPaintTimeDisplay(SkCanvas * canvas,const PaintTimeCounter * paint_time_counter,int right,int top) const536 SkRect HeadsUpDisplayLayerImpl::DrawPaintTimeDisplay(
537 SkCanvas* canvas,
538 const PaintTimeCounter* paint_time_counter,
539 int right,
540 int top) const {
541 const int kPadding = 4;
542 const int kFontHeight = 15;
543
544 const int kGraphWidth = paint_time_counter->HistorySize();
545 const int kGraphHeight = 40;
546
547 const int width = kGraphWidth + 2 * kPadding;
548 const int height =
549 kFontHeight + kGraphHeight + 4 * kPadding + 2 + kFontHeight + kPadding;
550 const int left = bounds().width() - width - right;
551
552 const SkRect area = SkRect::MakeXYWH(left, top, width, height);
553
554 SkPaint paint = CreatePaint();
555 DrawGraphBackground(canvas, &paint, area);
556
557 SkRect text_bounds = SkRect::MakeXYWH(
558 left + kPadding, top + kPadding, kGraphWidth, kFontHeight);
559 SkRect text_bounds2 = SkRect::MakeXYWH(left + kPadding,
560 text_bounds.bottom() + kPadding,
561 kGraphWidth,
562 kFontHeight);
563 SkRect graph_bounds = SkRect::MakeXYWH(left + kPadding,
564 text_bounds2.bottom() + 2 * kPadding,
565 kGraphWidth,
566 kGraphHeight);
567
568 const std::string value_text =
569 base::StringPrintf("%.1f", paint_time_graph_.value);
570 const std::string min_max_text = base::StringPrintf(
571 "%.1f-%.1f", paint_time_graph_.min, paint_time_graph_.max);
572
573 paint.setColor(DebugColors::PaintTimeDisplayTextAndGraphColor());
574 DrawText(canvas,
575 &paint,
576 "Page paint time (ms)",
577 SkPaint::kLeft_Align,
578 kFontHeight,
579 text_bounds.left(),
580 text_bounds.bottom());
581 DrawText(canvas,
582 &paint,
583 value_text,
584 SkPaint::kLeft_Align,
585 kFontHeight,
586 text_bounds2.left(),
587 text_bounds2.bottom());
588 DrawText(canvas,
589 &paint,
590 min_max_text,
591 SkPaint::kRight_Align,
592 kFontHeight,
593 text_bounds2.right(),
594 text_bounds2.bottom());
595
596 paint.setColor(DebugColors::PaintTimeDisplayTextAndGraphColor());
597 for (PaintTimeCounter::RingBufferType::Iterator it =
598 paint_time_counter->End();
599 it;
600 --it) {
601 double pt = it->InMillisecondsF();
602
603 if (pt == 0.0)
604 continue;
605
606 double p = pt / paint_time_graph_.current_upper_bound;
607 if (p > 1.0)
608 p = 1.0;
609
610 canvas->drawRect(
611 SkRect::MakeXYWH(graph_bounds.left() + it.index(),
612 graph_bounds.bottom() - p * graph_bounds.height(),
613 1,
614 p * graph_bounds.height()),
615 paint);
616 }
617
618 DrawGraphLines(canvas, &paint, graph_bounds, paint_time_graph_);
619
620 return area;
621 }
622
DrawDebugRect(SkCanvas * canvas,SkPaint * paint,const DebugRect & rect,SkColor stroke_color,SkColor fill_color,float stroke_width,const std::string & label_text) const623 void HeadsUpDisplayLayerImpl::DrawDebugRect(
624 SkCanvas* canvas,
625 SkPaint* paint,
626 const DebugRect& rect,
627 SkColor stroke_color,
628 SkColor fill_color,
629 float stroke_width,
630 const std::string& label_text) const {
631 gfx::Rect debug_layer_rect = gfx::ScaleToEnclosingRect(
632 rect.rect, 1.0 / contents_scale_x(), 1.0 / contents_scale_y());
633 SkIRect sk_rect = RectToSkIRect(debug_layer_rect);
634 paint->setColor(fill_color);
635 paint->setStyle(SkPaint::kFill_Style);
636 canvas->drawIRect(sk_rect, *paint);
637
638 paint->setColor(stroke_color);
639 paint->setStyle(SkPaint::kStroke_Style);
640 paint->setStrokeWidth(SkFloatToScalar(stroke_width));
641 canvas->drawIRect(sk_rect, *paint);
642
643 if (label_text.length()) {
644 const int kFontHeight = 12;
645 const int kPadding = 3;
646
647 // The debug_layer_rect may be huge, and converting to a floating point may
648 // be lossy, so intersect with the HUD layer bounds first to prevent that.
649 gfx::Rect clip_rect = debug_layer_rect;
650 clip_rect.Intersect(gfx::Rect(content_bounds()));
651 SkRect sk_clip_rect = RectToSkRect(clip_rect);
652
653 canvas->save();
654 canvas->clipRect(sk_clip_rect);
655 canvas->translate(sk_clip_rect.x(), sk_clip_rect.y());
656
657 SkPaint label_paint = CreatePaint();
658 label_paint.setTextSize(kFontHeight);
659 label_paint.setTypeface(typeface_.get());
660 label_paint.setColor(stroke_color);
661
662 const SkScalar label_text_width =
663 label_paint.measureText(label_text.c_str(), label_text.length());
664 canvas->drawRect(SkRect::MakeWH(label_text_width + 2 * kPadding,
665 kFontHeight + 2 * kPadding),
666 label_paint);
667
668 label_paint.setAntiAlias(true);
669 label_paint.setColor(SkColorSetARGB(255, 50, 50, 50));
670 canvas->drawText(label_text.c_str(),
671 label_text.length(),
672 kPadding,
673 kFontHeight * 0.8f + kPadding,
674 label_paint);
675
676 canvas->restore();
677 }
678 }
679
DrawDebugRects(SkCanvas * canvas,DebugRectHistory * debug_rect_history)680 void HeadsUpDisplayLayerImpl::DrawDebugRects(
681 SkCanvas* canvas,
682 DebugRectHistory* debug_rect_history) {
683 SkPaint paint = CreatePaint();
684
685 const std::vector<DebugRect>& debug_rects = debug_rect_history->debug_rects();
686 std::vector<DebugRect> new_paint_rects;
687
688 for (size_t i = 0; i < debug_rects.size(); ++i) {
689 SkColor stroke_color = 0;
690 SkColor fill_color = 0;
691 float stroke_width = 0.f;
692 std::string label_text;
693
694 switch (debug_rects[i].type) {
695 case PAINT_RECT_TYPE:
696 new_paint_rects.push_back(debug_rects[i]);
697 continue;
698 case PROPERTY_CHANGED_RECT_TYPE:
699 stroke_color = DebugColors::PropertyChangedRectBorderColor();
700 fill_color = DebugColors::PropertyChangedRectFillColor();
701 stroke_width = DebugColors::PropertyChangedRectBorderWidth();
702 break;
703 case SURFACE_DAMAGE_RECT_TYPE:
704 stroke_color = DebugColors::SurfaceDamageRectBorderColor();
705 fill_color = DebugColors::SurfaceDamageRectFillColor();
706 stroke_width = DebugColors::SurfaceDamageRectBorderWidth();
707 break;
708 case REPLICA_SCREEN_SPACE_RECT_TYPE:
709 stroke_color = DebugColors::ScreenSpaceSurfaceReplicaRectBorderColor();
710 fill_color = DebugColors::ScreenSpaceSurfaceReplicaRectFillColor();
711 stroke_width = DebugColors::ScreenSpaceSurfaceReplicaRectBorderWidth();
712 break;
713 case SCREEN_SPACE_RECT_TYPE:
714 stroke_color = DebugColors::ScreenSpaceLayerRectBorderColor();
715 fill_color = DebugColors::ScreenSpaceLayerRectFillColor();
716 stroke_width = DebugColors::ScreenSpaceLayerRectBorderWidth();
717 break;
718 case OCCLUDING_RECT_TYPE:
719 stroke_color = DebugColors::OccludingRectBorderColor();
720 fill_color = DebugColors::OccludingRectFillColor();
721 stroke_width = DebugColors::OccludingRectBorderWidth();
722 break;
723 case NONOCCLUDING_RECT_TYPE:
724 stroke_color = DebugColors::NonOccludingRectBorderColor();
725 fill_color = DebugColors::NonOccludingRectFillColor();
726 stroke_width = DebugColors::NonOccludingRectBorderWidth();
727 break;
728 case TOUCH_EVENT_HANDLER_RECT_TYPE:
729 stroke_color = DebugColors::TouchEventHandlerRectBorderColor();
730 fill_color = DebugColors::TouchEventHandlerRectFillColor();
731 stroke_width = DebugColors::TouchEventHandlerRectBorderWidth();
732 label_text = "touch event listener";
733 break;
734 case WHEEL_EVENT_HANDLER_RECT_TYPE:
735 stroke_color = DebugColors::WheelEventHandlerRectBorderColor();
736 fill_color = DebugColors::WheelEventHandlerRectFillColor();
737 stroke_width = DebugColors::WheelEventHandlerRectBorderWidth();
738 label_text = "mousewheel event listener";
739 break;
740 case SCROLL_EVENT_HANDLER_RECT_TYPE:
741 stroke_color = DebugColors::ScrollEventHandlerRectBorderColor();
742 fill_color = DebugColors::ScrollEventHandlerRectFillColor();
743 stroke_width = DebugColors::ScrollEventHandlerRectBorderWidth();
744 label_text = "scroll event listener";
745 break;
746 case NON_FAST_SCROLLABLE_RECT_TYPE:
747 stroke_color = DebugColors::NonFastScrollableRectBorderColor();
748 fill_color = DebugColors::NonFastScrollableRectFillColor();
749 stroke_width = DebugColors::NonFastScrollableRectBorderWidth();
750 label_text = "repaints on scroll";
751 break;
752 case ANIMATION_BOUNDS_RECT_TYPE:
753 stroke_color = DebugColors::LayerAnimationBoundsBorderColor();
754 fill_color = DebugColors::LayerAnimationBoundsFillColor();
755 stroke_width = DebugColors::LayerAnimationBoundsBorderWidth();
756 label_text = "animation bounds";
757 break;
758 }
759
760 DrawDebugRect(canvas,
761 &paint,
762 debug_rects[i],
763 stroke_color,
764 fill_color,
765 stroke_width,
766 label_text);
767 }
768
769 if (new_paint_rects.size()) {
770 paint_rects_.swap(new_paint_rects);
771 fade_step_ = DebugColors::kFadeSteps;
772 }
773 if (fade_step_ > 0) {
774 fade_step_--;
775 for (size_t i = 0; i < paint_rects_.size(); ++i) {
776 DrawDebugRect(canvas,
777 &paint,
778 paint_rects_[i],
779 DebugColors::PaintRectBorderColor(fade_step_),
780 DebugColors::PaintRectFillColor(fade_step_),
781 DebugColors::PaintRectBorderWidth(),
782 "");
783 }
784 }
785 }
786
LayerTypeAsString() const787 const char* HeadsUpDisplayLayerImpl::LayerTypeAsString() const {
788 return "cc::HeadsUpDisplayLayerImpl";
789 }
790
AsValueInto(base::debug::TracedValue * dict) const791 void HeadsUpDisplayLayerImpl::AsValueInto(
792 base::debug::TracedValue* dict) const {
793 LayerImpl::AsValueInto(dict);
794 dict->SetString("layer_name", "Heads Up Display Layer");
795 }
796
797 } // namespace cc
798