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/strings/stringprintf.h" 11 #include "cc/debug/debug_colors.h" 12 #include "cc/debug/debug_rect_history.h" 13 #include "cc/debug/frame_rate_counter.h" 14 #include "cc/debug/paint_time_counter.h" 15 #include "cc/debug/traced_value.h" 16 #include "cc/layers/quad_sink.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 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(new SkColorMatrixFilter(swizzle_matrix)); 48 paint.setColorFilter(filter.get()); 49 #endif 50 return paint; 51 } 52 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 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 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 76 HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {} 77 78 scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl( 79 LayerTreeImpl* tree_impl) { 80 return HeadsUpDisplayLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>(); 81 } 82 83 bool HeadsUpDisplayLayerImpl::WillDraw(DrawMode draw_mode, 84 ResourceProvider* resource_provider) { 85 if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE) 86 return false; 87 88 if (!hud_resource_) 89 hud_resource_ = ScopedResource::Create(resource_provider); 90 91 // TODO(danakj): The HUD could swap between two textures instead of creating a 92 // texture every frame in ubercompositor. 93 if (hud_resource_->size() != content_bounds() || 94 (hud_resource_->id() && 95 resource_provider->InUseByConsumer(hud_resource_->id()))) { 96 hud_resource_->Free(); 97 } 98 99 if (!hud_resource_->id()) { 100 hud_resource_->Allocate(content_bounds(), 101 ResourceProvider::TextureUsageAny, 102 RGBA_8888); 103 } 104 105 return LayerImpl::WillDraw(draw_mode, resource_provider); 106 } 107 108 void HeadsUpDisplayLayerImpl::AppendQuads(QuadSink* quad_sink, 109 AppendQuadsData* append_quads_data) { 110 if (!hud_resource_->id()) 111 return; 112 113 SharedQuadState* shared_quad_state = 114 quad_sink->UseSharedQuadState(CreateSharedQuadState()); 115 116 gfx::Rect quad_rect(content_bounds()); 117 gfx::Rect opaque_rect(contents_opaque() ? quad_rect : gfx::Rect()); 118 bool premultiplied_alpha = true; 119 gfx::PointF uv_top_left(0.f, 0.f); 120 gfx::PointF uv_bottom_right(1.f, 1.f); 121 const float vertex_opacity[] = { 1.f, 1.f, 1.f, 1.f }; 122 bool flipped = false; 123 scoped_ptr<TextureDrawQuad> quad = TextureDrawQuad::Create(); 124 quad->SetNew(shared_quad_state, 125 quad_rect, 126 opaque_rect, 127 hud_resource_->id(), 128 premultiplied_alpha, 129 uv_top_left, 130 uv_bottom_right, 131 SK_ColorTRANSPARENT, 132 vertex_opacity, 133 flipped); 134 quad_sink->Append(quad.PassAs<DrawQuad>(), append_quads_data); 135 } 136 137 void HeadsUpDisplayLayerImpl::UpdateHudTexture( 138 DrawMode draw_mode, 139 ResourceProvider* resource_provider) { 140 if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE || !hud_resource_->id()) 141 return; 142 143 SkISize canvas_size; 144 if (hud_canvas_) 145 canvas_size = hud_canvas_->getDeviceSize(); 146 else 147 canvas_size.set(0, 0); 148 149 if (canvas_size.width() != content_bounds().width() || 150 canvas_size.width() != content_bounds().height() || !hud_canvas_) { 151 TRACE_EVENT0("cc", "ResizeHudCanvas"); 152 bool opaque = false; 153 hud_canvas_ = make_scoped_ptr(skia::CreateBitmapCanvas( 154 content_bounds().width(), content_bounds().height(), opaque)); 155 } 156 157 UpdateHudContents(); 158 159 { 160 TRACE_EVENT0("cc", "DrawHudContents"); 161 hud_canvas_->clear(SkColorSetARGB(0, 0, 0, 0)); 162 hud_canvas_->save(); 163 hud_canvas_->scale(contents_scale_x(), contents_scale_y()); 164 165 DrawHudContents(hud_canvas_.get()); 166 167 hud_canvas_->restore(); 168 } 169 170 TRACE_EVENT0("cc", "UploadHudTexture"); 171 const SkBitmap* bitmap = &hud_canvas_->getDevice()->accessBitmap(false); 172 SkAutoLockPixels locker(*bitmap); 173 174 gfx::Rect content_rect(content_bounds()); 175 DCHECK(bitmap->config() == SkBitmap::kARGB_8888_Config); 176 resource_provider->SetPixels(hud_resource_->id(), 177 static_cast<const uint8_t*>(bitmap->getPixels()), 178 content_rect, 179 content_rect, 180 gfx::Vector2d()); 181 } 182 183 void HeadsUpDisplayLayerImpl::DidLoseOutputSurface() { hud_resource_.reset(); } 184 185 bool HeadsUpDisplayLayerImpl::LayerIsAlwaysDamaged() const { return true; } 186 187 void HeadsUpDisplayLayerImpl::UpdateHudContents() { 188 const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state(); 189 190 // Don't update numbers every frame so text is readable. 191 base::TimeTicks now = layer_tree_impl()->CurrentFrameTimeTicks(); 192 if (base::TimeDelta(now - time_of_last_graph_update_).InSecondsF() > 0.25f) { 193 time_of_last_graph_update_ = now; 194 195 if (debug_state.show_fps_counter) { 196 FrameRateCounter* fps_counter = layer_tree_impl()->frame_rate_counter(); 197 fps_graph_.value = fps_counter->GetAverageFPS(); 198 fps_counter->GetMinAndMaxFPS(&fps_graph_.min, &fps_graph_.max); 199 } 200 201 if (debug_state.continuous_painting) { 202 PaintTimeCounter* paint_time_counter = 203 layer_tree_impl()->paint_time_counter(); 204 base::TimeDelta latest, min, max; 205 206 if (paint_time_counter->End()) 207 latest = **paint_time_counter->End(); 208 paint_time_counter->GetMinAndMaxPaintTime(&min, &max); 209 210 paint_time_graph_.value = latest.InMillisecondsF(); 211 paint_time_graph_.min = min.InMillisecondsF(); 212 paint_time_graph_.max = max.InMillisecondsF(); 213 } 214 215 if (debug_state.ShowMemoryStats()) { 216 MemoryHistory* memory_history = layer_tree_impl()->memory_history(); 217 if (memory_history->End()) 218 memory_entry_ = **memory_history->End(); 219 else 220 memory_entry_ = MemoryHistory::Entry(); 221 } 222 } 223 224 fps_graph_.UpdateUpperBound(); 225 paint_time_graph_.UpdateUpperBound(); 226 } 227 228 void HeadsUpDisplayLayerImpl::DrawHudContents(SkCanvas* canvas) const { 229 const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state(); 230 231 if (debug_state.ShowHudRects()) 232 DrawDebugRects(canvas, layer_tree_impl()->debug_rect_history()); 233 234 SkRect area = SkRect::MakeEmpty(); 235 if (debug_state.continuous_painting) { 236 area = DrawPaintTimeDisplay( 237 canvas, layer_tree_impl()->paint_time_counter(), 0, 0); 238 } else if (debug_state.show_fps_counter) { 239 // Don't show the FPS display when continuous painting is enabled, because 240 // it would show misleading numbers. 241 area = 242 DrawFPSDisplay(canvas, layer_tree_impl()->frame_rate_counter(), 0, 0); 243 } 244 245 if (debug_state.ShowMemoryStats()) 246 DrawMemoryDisplay(canvas, 0, area.bottom(), SkMaxScalar(area.width(), 150)); 247 } 248 249 void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas, 250 SkPaint* paint, 251 const std::string& text, 252 SkPaint::Align align, 253 int size, 254 int x, 255 int y) const { 256 const bool anti_alias = paint->isAntiAlias(); 257 paint->setAntiAlias(true); 258 259 paint->setTextSize(size); 260 paint->setTextAlign(align); 261 paint->setTypeface(typeface_.get()); 262 canvas->drawText(text.c_str(), text.length(), x, y, *paint); 263 264 paint->setAntiAlias(anti_alias); 265 } 266 267 void HeadsUpDisplayLayerImpl::DrawText(SkCanvas* canvas, 268 SkPaint* paint, 269 const std::string& text, 270 SkPaint::Align align, 271 int size, 272 const SkPoint& pos) const { 273 DrawText(canvas, paint, text, align, size, pos.x(), pos.y()); 274 } 275 276 void HeadsUpDisplayLayerImpl::DrawGraphBackground(SkCanvas* canvas, 277 SkPaint* paint, 278 const SkRect& bounds) const { 279 paint->setColor(DebugColors::HUDBackgroundColor()); 280 canvas->drawRect(bounds, *paint); 281 } 282 283 void HeadsUpDisplayLayerImpl::DrawGraphLines(SkCanvas* canvas, 284 SkPaint* paint, 285 const SkRect& bounds, 286 const Graph& graph) const { 287 // Draw top and bottom line. 288 paint->setColor(DebugColors::HUDSeparatorLineColor()); 289 canvas->drawLine(bounds.left(), 290 bounds.top() - 1, 291 bounds.right(), 292 bounds.top() - 1, 293 *paint); 294 canvas->drawLine( 295 bounds.left(), bounds.bottom(), bounds.right(), bounds.bottom(), *paint); 296 297 // Draw indicator line (additive blend mode to increase contrast when drawn on 298 // top of graph). 299 paint->setColor(DebugColors::HUDIndicatorLineColor()); 300 paint->setXfermodeMode(SkXfermode::kPlus_Mode); 301 const double indicator_top = 302 bounds.height() * (1.0 - graph.indicator / graph.current_upper_bound) - 303 1.0; 304 canvas->drawLine(bounds.left(), 305 bounds.top() + indicator_top, 306 bounds.right(), 307 bounds.top() + indicator_top, 308 *paint); 309 paint->setXfermode(NULL); 310 } 311 312 SkRect HeadsUpDisplayLayerImpl::DrawFPSDisplay( 313 SkCanvas* canvas, 314 const FrameRateCounter* fps_counter, 315 int right, 316 int top) const { 317 const int kPadding = 4; 318 const int kGap = 6; 319 320 const int kFontHeight = 15; 321 322 const int kGraphWidth = fps_counter->time_stamp_history_size() - 2; 323 const int kGraphHeight = 40; 324 325 const int kHistogramWidth = 37; 326 327 int width = kGraphWidth + kHistogramWidth + 4 * kPadding; 328 int height = kFontHeight + kGraphHeight + 4 * kPadding + 2; 329 int left = bounds().width() - width - right; 330 SkRect area = SkRect::MakeXYWH(left, top, width, height); 331 332 SkPaint paint = CreatePaint(); 333 DrawGraphBackground(canvas, &paint, area); 334 335 SkRect text_bounds = 336 SkRect::MakeXYWH(left + kPadding, 337 top + kPadding, 338 kGraphWidth + kHistogramWidth + kGap + 2, 339 kFontHeight); 340 SkRect graph_bounds = SkRect::MakeXYWH(left + kPadding, 341 text_bounds.bottom() + 2 * kPadding, 342 kGraphWidth, 343 kGraphHeight); 344 SkRect histogram_bounds = SkRect::MakeXYWH(graph_bounds.right() + kGap, 345 graph_bounds.top(), 346 kHistogramWidth, 347 kGraphHeight); 348 349 const std::string value_text = 350 base::StringPrintf("FPS:%5.1f", fps_graph_.value); 351 const std::string min_max_text = 352 base::StringPrintf("%.0f-%.0f", fps_graph_.min, fps_graph_.max); 353 354 paint.setColor(DebugColors::FPSDisplayTextAndGraphColor()); 355 DrawText(canvas, 356 &paint, 357 value_text, 358 SkPaint::kLeft_Align, 359 kFontHeight, 360 text_bounds.left(), 361 text_bounds.bottom()); 362 DrawText(canvas, 363 &paint, 364 min_max_text, 365 SkPaint::kRight_Align, 366 kFontHeight, 367 text_bounds.right(), 368 text_bounds.bottom()); 369 370 DrawGraphLines(canvas, &paint, graph_bounds, fps_graph_); 371 372 // Collect graph and histogram data. 373 SkPath path; 374 375 const int kHistogramSize = 20; 376 double histogram[kHistogramSize] = { 1.0 }; 377 double max_bucket_value = 1.0; 378 379 for (FrameRateCounter::RingBufferType::Iterator it = --fps_counter->end(); it; 380 --it) { 381 base::TimeDelta delta = fps_counter->RecentFrameInterval(it.index() + 1); 382 383 // Skip this particular instantaneous frame rate if it is not likely to have 384 // been valid. 385 if (!fps_counter->IsBadFrameInterval(delta)) { 386 double fps = 1.0 / delta.InSecondsF(); 387 388 // Clamp the FPS to the range we want to plot visually. 389 double p = fps / fps_graph_.current_upper_bound; 390 if (p > 1.0) 391 p = 1.0; 392 393 // Plot this data point. 394 SkPoint cur = 395 SkPoint::Make(graph_bounds.left() + it.index(), 396 graph_bounds.bottom() - p * graph_bounds.height()); 397 if (path.isEmpty()) 398 path.moveTo(cur); 399 else 400 path.lineTo(cur); 401 402 // Use the fps value to find the right bucket in the histogram. 403 int bucket_index = floor(p * (kHistogramSize - 1)); 404 405 // Add the delta time to take the time spent at that fps rate into 406 // account. 407 histogram[bucket_index] += delta.InSecondsF(); 408 max_bucket_value = std::max(histogram[bucket_index], max_bucket_value); 409 } 410 } 411 412 // Draw FPS histogram. 413 paint.setColor(DebugColors::HUDSeparatorLineColor()); 414 canvas->drawLine(histogram_bounds.left() - 1, 415 histogram_bounds.top() - 1, 416 histogram_bounds.left() - 1, 417 histogram_bounds.bottom() + 1, 418 paint); 419 canvas->drawLine(histogram_bounds.right() + 1, 420 histogram_bounds.top() - 1, 421 histogram_bounds.right() + 1, 422 histogram_bounds.bottom() + 1, 423 paint); 424 425 paint.setColor(DebugColors::FPSDisplayTextAndGraphColor()); 426 const double bar_height = histogram_bounds.height() / kHistogramSize; 427 428 for (int i = kHistogramSize - 1; i >= 0; --i) { 429 if (histogram[i] > 0) { 430 double bar_width = 431 histogram[i] / max_bucket_value * histogram_bounds.width(); 432 canvas->drawRect( 433 SkRect::MakeXYWH(histogram_bounds.left(), 434 histogram_bounds.bottom() - (i + 1) * bar_height, 435 bar_width, 436 1), 437 paint); 438 } 439 } 440 441 // Draw FPS graph. 442 paint.setAntiAlias(true); 443 paint.setStyle(SkPaint::kStroke_Style); 444 paint.setStrokeWidth(1); 445 canvas->drawPath(path, paint); 446 447 return area; 448 } 449 450 SkRect HeadsUpDisplayLayerImpl::DrawMemoryDisplay(SkCanvas* canvas, 451 int right, 452 int top, 453 int width) const { 454 if (!memory_entry_.bytes_total()) 455 return SkRect::MakeEmpty(); 456 457 const int kPadding = 4; 458 const int kFontHeight = 13; 459 460 const int height = 3 * kFontHeight + 4 * kPadding; 461 const int left = bounds().width() - width - right; 462 const SkRect area = SkRect::MakeXYWH(left, top, width, height); 463 464 const double megabyte = 1024.0 * 1024.0; 465 466 SkPaint paint = CreatePaint(); 467 DrawGraphBackground(canvas, &paint, area); 468 469 SkPoint title_pos = SkPoint::Make(left + kPadding, top + kFontHeight); 470 SkPoint stat1_pos = SkPoint::Make(left + width - kPadding - 1, 471 top + kPadding + 2 * kFontHeight); 472 SkPoint stat2_pos = SkPoint::Make(left + width - kPadding - 1, 473 top + 2 * kPadding + 3 * kFontHeight); 474 475 paint.setColor(DebugColors::MemoryDisplayTextColor()); 476 DrawText(canvas, 477 &paint, 478 "GPU memory", 479 SkPaint::kLeft_Align, 480 kFontHeight, 481 title_pos); 482 483 std::string text = 484 base::StringPrintf("%6.1f MB used", 485 (memory_entry_.bytes_unreleasable + 486 memory_entry_.bytes_allocated) / megabyte); 487 DrawText(canvas, &paint, text, SkPaint::kRight_Align, kFontHeight, stat1_pos); 488 489 if (memory_entry_.bytes_over) { 490 paint.setColor(SK_ColorRED); 491 text = base::StringPrintf("%6.1f MB over", 492 memory_entry_.bytes_over / megabyte); 493 } else { 494 text = base::StringPrintf("%6.1f MB max ", 495 memory_entry_.total_budget_in_bytes / megabyte); 496 } 497 DrawText(canvas, &paint, text, SkPaint::kRight_Align, kFontHeight, stat2_pos); 498 499 return area; 500 } 501 502 SkRect HeadsUpDisplayLayerImpl::DrawPaintTimeDisplay( 503 SkCanvas* canvas, 504 const PaintTimeCounter* paint_time_counter, 505 int right, 506 int top) const { 507 const int kPadding = 4; 508 const int kFontHeight = 15; 509 510 const int kGraphWidth = paint_time_counter->HistorySize(); 511 const int kGraphHeight = 40; 512 513 const int width = kGraphWidth + 2 * kPadding; 514 const int height = 515 kFontHeight + kGraphHeight + 4 * kPadding + 2 + kFontHeight + kPadding; 516 const int left = bounds().width() - width - right; 517 518 const SkRect area = SkRect::MakeXYWH(left, top, width, height); 519 520 SkPaint paint = CreatePaint(); 521 DrawGraphBackground(canvas, &paint, area); 522 523 SkRect text_bounds = SkRect::MakeXYWH( 524 left + kPadding, top + kPadding, kGraphWidth, kFontHeight); 525 SkRect text_bounds2 = SkRect::MakeXYWH(left + kPadding, 526 text_bounds.bottom() + kPadding, 527 kGraphWidth, 528 kFontHeight); 529 SkRect graph_bounds = SkRect::MakeXYWH(left + kPadding, 530 text_bounds2.bottom() + 2 * kPadding, 531 kGraphWidth, 532 kGraphHeight); 533 534 const std::string value_text = 535 base::StringPrintf("%.1f", paint_time_graph_.value); 536 const std::string min_max_text = base::StringPrintf( 537 "%.1f-%.1f", paint_time_graph_.min, paint_time_graph_.max); 538 539 paint.setColor(DebugColors::PaintTimeDisplayTextAndGraphColor()); 540 DrawText(canvas, 541 &paint, 542 "Page paint time (ms)", 543 SkPaint::kLeft_Align, 544 kFontHeight, 545 text_bounds.left(), 546 text_bounds.bottom()); 547 DrawText(canvas, 548 &paint, 549 value_text, 550 SkPaint::kLeft_Align, 551 kFontHeight, 552 text_bounds2.left(), 553 text_bounds2.bottom()); 554 DrawText(canvas, 555 &paint, 556 min_max_text, 557 SkPaint::kRight_Align, 558 kFontHeight, 559 text_bounds2.right(), 560 text_bounds2.bottom()); 561 562 paint.setColor(DebugColors::PaintTimeDisplayTextAndGraphColor()); 563 for (PaintTimeCounter::RingBufferType::Iterator it = 564 paint_time_counter->End(); 565 it; 566 --it) { 567 double pt = it->InMillisecondsF(); 568 569 if (pt == 0.0) 570 continue; 571 572 double p = pt / paint_time_graph_.current_upper_bound; 573 if (p > 1.0) 574 p = 1.0; 575 576 canvas->drawRect( 577 SkRect::MakeXYWH(graph_bounds.left() + it.index(), 578 graph_bounds.bottom() - p * graph_bounds.height(), 579 1, 580 p * graph_bounds.height()), 581 paint); 582 } 583 584 DrawGraphLines(canvas, &paint, graph_bounds, paint_time_graph_); 585 586 return area; 587 } 588 589 void HeadsUpDisplayLayerImpl::DrawDebugRects( 590 SkCanvas* canvas, 591 DebugRectHistory* debug_rect_history) const { 592 const std::vector<DebugRect>& debug_rects = debug_rect_history->debug_rects(); 593 SkPaint paint = CreatePaint(); 594 595 for (size_t i = 0; i < debug_rects.size(); ++i) { 596 SkColor stroke_color = 0; 597 SkColor fill_color = 0; 598 float stroke_width = 0.f; 599 std::string label_text; 600 601 switch (debug_rects[i].type) { 602 case PAINT_RECT_TYPE: 603 stroke_color = DebugColors::PaintRectBorderColor(); 604 fill_color = DebugColors::PaintRectFillColor(); 605 stroke_width = DebugColors::PaintRectBorderWidth(); 606 break; 607 case PROPERTY_CHANGED_RECT_TYPE: 608 stroke_color = DebugColors::PropertyChangedRectBorderColor(); 609 fill_color = DebugColors::PropertyChangedRectFillColor(); 610 stroke_width = DebugColors::PropertyChangedRectBorderWidth(); 611 break; 612 case SURFACE_DAMAGE_RECT_TYPE: 613 stroke_color = DebugColors::SurfaceDamageRectBorderColor(); 614 fill_color = DebugColors::SurfaceDamageRectFillColor(); 615 stroke_width = DebugColors::SurfaceDamageRectBorderWidth(); 616 break; 617 case REPLICA_SCREEN_SPACE_RECT_TYPE: 618 stroke_color = DebugColors::ScreenSpaceSurfaceReplicaRectBorderColor(); 619 fill_color = DebugColors::ScreenSpaceSurfaceReplicaRectFillColor(); 620 stroke_width = DebugColors::ScreenSpaceSurfaceReplicaRectBorderWidth(); 621 break; 622 case SCREEN_SPACE_RECT_TYPE: 623 stroke_color = DebugColors::ScreenSpaceLayerRectBorderColor(); 624 fill_color = DebugColors::ScreenSpaceLayerRectFillColor(); 625 stroke_width = DebugColors::ScreenSpaceLayerRectBorderWidth(); 626 break; 627 case OCCLUDING_RECT_TYPE: 628 stroke_color = DebugColors::OccludingRectBorderColor(); 629 fill_color = DebugColors::OccludingRectFillColor(); 630 stroke_width = DebugColors::OccludingRectBorderWidth(); 631 break; 632 case NONOCCLUDING_RECT_TYPE: 633 stroke_color = DebugColors::NonOccludingRectBorderColor(); 634 fill_color = DebugColors::NonOccludingRectFillColor(); 635 stroke_width = DebugColors::NonOccludingRectBorderWidth(); 636 break; 637 case TOUCH_EVENT_HANDLER_RECT_TYPE: 638 stroke_color = DebugColors::TouchEventHandlerRectBorderColor(); 639 fill_color = DebugColors::TouchEventHandlerRectFillColor(); 640 stroke_width = DebugColors::TouchEventHandlerRectBorderWidth(); 641 label_text = "touch event listener"; 642 break; 643 case WHEEL_EVENT_HANDLER_RECT_TYPE: 644 stroke_color = DebugColors::WheelEventHandlerRectBorderColor(); 645 fill_color = DebugColors::WheelEventHandlerRectFillColor(); 646 stroke_width = DebugColors::WheelEventHandlerRectBorderWidth(); 647 label_text = "mousewheel event listener"; 648 break; 649 case NON_FAST_SCROLLABLE_RECT_TYPE: 650 stroke_color = DebugColors::NonFastScrollableRectBorderColor(); 651 fill_color = DebugColors::NonFastScrollableRectFillColor(); 652 stroke_width = DebugColors::NonFastScrollableRectBorderWidth(); 653 label_text = "repaints on scroll"; 654 break; 655 case ANIMATION_BOUNDS_RECT_TYPE: 656 stroke_color = DebugColors::LayerAnimationBoundsBorderColor(); 657 fill_color = DebugColors::LayerAnimationBoundsFillColor(); 658 stroke_width = DebugColors::LayerAnimationBoundsBorderWidth(); 659 label_text = "animation bounds"; 660 break; 661 } 662 663 gfx::RectF debug_layer_rect = gfx::ScaleRect(debug_rects[i].rect, 664 1.0 / contents_scale_x(), 665 1.0 / contents_scale_y()); 666 SkRect sk_rect = RectFToSkRect(debug_layer_rect); 667 paint.setColor(fill_color); 668 paint.setStyle(SkPaint::kFill_Style); 669 canvas->drawRect(sk_rect, paint); 670 671 paint.setColor(stroke_color); 672 paint.setStyle(SkPaint::kStroke_Style); 673 paint.setStrokeWidth(SkFloatToScalar(stroke_width)); 674 canvas->drawRect(sk_rect, paint); 675 676 if (label_text.length()) { 677 const int kFontHeight = 12; 678 const int kPadding = 3; 679 680 canvas->save(); 681 canvas->clipRect(sk_rect); 682 canvas->translate(sk_rect.x(), sk_rect.y()); 683 684 SkPaint label_paint = CreatePaint(); 685 label_paint.setTextSize(kFontHeight); 686 label_paint.setTypeface(typeface_.get()); 687 label_paint.setColor(stroke_color); 688 689 const SkScalar label_text_width = 690 label_paint.measureText(label_text.c_str(), label_text.length()); 691 canvas->drawRect(SkRect::MakeWH(label_text_width + 2 * kPadding, 692 kFontHeight + 2 * kPadding), 693 label_paint); 694 695 label_paint.setAntiAlias(true); 696 label_paint.setColor(SkColorSetARGB(255, 50, 50, 50)); 697 canvas->drawText(label_text.c_str(), 698 label_text.length(), 699 kPadding, 700 kFontHeight * 0.8f + kPadding, 701 label_paint); 702 703 canvas->restore(); 704 } 705 } 706 } 707 708 const char* HeadsUpDisplayLayerImpl::LayerTypeAsString() const { 709 return "cc::HeadsUpDisplayLayerImpl"; 710 } 711 712 } // namespace cc 713
