blob: 75431c15d8fbdf26475853abc181576af9bfce63 [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 <stddef.h>
#include <stdint.h>
#include <algorithm>
#include <vector>
#include "base/memory/shared_memory_mapping.h"
#include "base/numerics/safe_conversions.h"
#include "base/optional.h"
#include "base/single_thread_task_runner.h"
#include "base/strings/stringprintf.h"
#include "base/trace_event/process_memory_dump.h"
#include "base/trace_event/trace_event.h"
#include "base/trace_event/traced_value.h"
#include "cc/debug/debug_colors.h"
#include "cc/paint/display_item_list.h"
#include "cc/paint/paint_canvas.h"
#include "cc/paint/paint_flags.h"
#include "cc/paint/paint_shader.h"
#include "cc/paint/record_paint_canvas.h"
#include "cc/paint/skia_paint_canvas.h"
#include "cc/raster/scoped_gpu_raster.h"
#include "cc/resources/memory_history.h"
#include "cc/trees/frame_rate_counter.h"
#include "cc/trees/layer_tree_frame_sink.h"
#include "cc/trees/layer_tree_host_impl.h"
#include "cc/trees/layer_tree_impl.h"
#include "components/viz/common/frame_sinks/begin_frame_args.h"
#include "components/viz/common/gpu/context_provider.h"
#include "components/viz/common/quads/solid_color_draw_quad.h"
#include "components/viz/common/quads/texture_draw_quad.h"
#include "components/viz/common/resources/bitmap_allocation.h"
#include "components/viz/common/resources/platform_color.h"
#include "gpu/command_buffer/client/context_support.h"
#include "gpu/command_buffer/client/gles2_interface.h"
#include "gpu/command_buffer/client/raster_interface.h"
#include "gpu/command_buffer/client/shared_image_interface.h"
#include "gpu/command_buffer/common/shared_image_trace_utils.h"
#include "gpu/command_buffer/common/shared_image_usage.h"
#include "gpu/config/gpu_feature_info.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "third_party/khronos/GLES2/gl2ext.h"
#include "third_party/skia/include/core/SkFont.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 "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/geometry/size_conversions.h"
#include "ui/gfx/skia_util.h"
#include "ui/gl/trace_util.h"
namespace cc {
namespace {
void DrawArc(PaintCanvas* canvas,
const SkRect& oval,
SkScalar start_angle,
SkScalar sweep_angle,
const PaintFlags& flags) {
DCHECK_GT(sweep_angle, 0.f);
DCHECK_LT(sweep_angle, 360.f);
SkPath path;
path.moveTo(oval.centerX(), oval.centerY());
path.arcTo(oval, start_angle, sweep_angle, false /* forceMoveTo */);
path.close();
canvas->drawPath(path, flags);
}
class DummyImageProvider : public ImageProvider {
public:
DummyImageProvider() = default;
~DummyImageProvider() override = default;
ImageProvider::ScopedResult GetRasterContent(
const DrawImage& draw_image) override {
NOTREACHED();
return ScopedResult();
}
};
} // namespace
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),
internal_contents_scale_(1.f),
fps_graph_(60.0, 80.0),
paint_time_graph_(16.0, 48.0),
fade_step_(0) {}
HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {
ReleaseResources();
}
std::unique_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl(
LayerTreeImpl* tree_impl) {
return HeadsUpDisplayLayerImpl::Create(tree_impl, id());
}
class HudGpuBacking : public ResourcePool::GpuBacking {
public:
~HudGpuBacking() override {
if (mailbox.IsZero())
return;
if (returned_sync_token.HasData())
shared_image_interface->DestroySharedImage(returned_sync_token, mailbox);
else if (mailbox_sync_token.HasData())
shared_image_interface->DestroySharedImage(mailbox_sync_token, mailbox);
}
void OnMemoryDump(
base::trace_event::ProcessMemoryDump* pmd,
const base::trace_event::MemoryAllocatorDumpGuid& buffer_dump_guid,
uint64_t tracing_process_id,
int importance) const override {
if (mailbox.IsZero())
return;
auto tracing_guid = gpu::GetSharedImageGUIDForTracing(mailbox);
pmd->CreateSharedGlobalAllocatorDump(tracing_guid);
pmd->AddOwnershipEdge(buffer_dump_guid, tracing_guid, importance);
}
gpu::SharedImageInterface* shared_image_interface = nullptr;
};
class HudSoftwareBacking : public ResourcePool::SoftwareBacking {
public:
~HudSoftwareBacking() override {
layer_tree_frame_sink->DidDeleteSharedBitmap(shared_bitmap_id);
}
void OnMemoryDump(
base::trace_event::ProcessMemoryDump* pmd,
const base::trace_event::MemoryAllocatorDumpGuid& buffer_dump_guid,
uint64_t tracing_process_id,
int importance) const override {
pmd->CreateSharedMemoryOwnershipEdge(buffer_dump_guid,
shared_mapping.guid(), importance);
}
LayerTreeFrameSink* layer_tree_frame_sink;
base::WritableSharedMemoryMapping shared_mapping;
};
bool HeadsUpDisplayLayerImpl::WillDraw(
DrawMode draw_mode,
viz::ClientResourceProvider* resource_provider) {
if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE &&
!LayerImpl::WillDraw(draw_mode, resource_provider)) {
return false;
}
int max_texture_size = layer_tree_impl()->max_texture_size();
internal_contents_scale_ = GetIdealContentsScale();
internal_content_bounds_ =
gfx::ScaleToCeiledSize(bounds(), internal_contents_scale_);
internal_content_bounds_.SetToMin(
gfx::Size(max_texture_size, max_texture_size));
return true;
}
void HeadsUpDisplayLayerImpl::AppendQuads(viz::RenderPass* render_pass,
AppendQuadsData* append_quads_data) {
viz::SharedQuadState* shared_quad_state =
render_pass->CreateAndAppendSharedQuadState();
PopulateScaledSharedQuadState(shared_quad_state, internal_contents_scale_,
internal_contents_scale_, contents_opaque());
// Appends a dummy quad here, which will be updated later once the resource
// is ready in UpdateHudTexture(). We don't add a TextureDrawQuad directly
// because we don't have a ResourceId for it yet, and ValidateQuadResources()
// would fail. UpdateHudTexture() happens after all quads are appended for all
// layers.
gfx::Rect quad_rect(internal_content_bounds_);
auto* quad = render_pass->CreateAndAppendDrawQuad<viz::SolidColorDrawQuad>();
quad->SetNew(shared_quad_state, quad_rect, quad_rect, SK_ColorTRANSPARENT,
false);
ValidateQuadResources(quad);
current_quad_ = quad;
}
void HeadsUpDisplayLayerImpl::UpdateHudTexture(
DrawMode draw_mode,
LayerTreeFrameSink* layer_tree_frame_sink,
viz::ClientResourceProvider* resource_provider,
bool gpu_raster,
const viz::RenderPassList& list) {
if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE)
return;
// Update state that will be drawn.
UpdateHudContents();
// TODO(penghuang): Do not use worker_context_provider() when context_provider
// is changed to RasterContextProvider.
// https://crbug.com/c/1286950
auto* raster_context_provider =
gpu_raster ? layer_tree_frame_sink->worker_context_provider() : nullptr;
base::Optional<viz::RasterContextProvider::ScopedRasterContextLock> lock;
bool use_oopr = false;
if (raster_context_provider) {
lock.emplace(raster_context_provider);
use_oopr = raster_context_provider->GetGpuFeatureInfo()
.status_values[gpu::GPU_FEATURE_TYPE_OOP_RASTERIZATION] ==
gpu::kGpuFeatureStatusEnabled;
if (!use_oopr) {
raster_context_provider = nullptr;
lock.reset();
}
}
auto* context_provider = layer_tree_frame_sink->context_provider();
if (!pool_) {
scoped_refptr<base::SingleThreadTaskRunner> task_runner =
layer_tree_impl()->task_runner_provider()->HasImplThread()
? layer_tree_impl()->task_runner_provider()->ImplThreadTaskRunner()
: layer_tree_impl()->task_runner_provider()->MainThreadTaskRunner();
pool_ = std::make_unique<ResourcePool>(
resource_provider, context_provider, std::move(task_runner),
ResourcePool::kDefaultExpirationDelay,
layer_tree_impl()->settings().disallow_non_exact_resource_reuse);
}
// Return ownership of the previous frame's resource to the pool, so we
// can reuse it once it is not busy in the display compositor. This is safe to
// do here because the previous frame has been shipped to the display
// compositor by the time we UpdateHudTexture for the current frame.
if (in_flight_resource_)
pool_->ReleaseResource(std::move(in_flight_resource_));
// Allocate a backing for the resource if needed, either for gpu or software
// compositing.
ResourcePool::InUsePoolResource pool_resource;
if (draw_mode == DRAW_MODE_HARDWARE) {
DCHECK(raster_context_provider || context_provider);
const auto& caps = raster_context_provider
? raster_context_provider->ContextCapabilities()
: context_provider->ContextCapabilities();
viz::ResourceFormat format =
gpu_raster ? viz::PlatformColor::BestSupportedRenderBufferFormat(caps)
: viz::PlatformColor::BestSupportedTextureFormat(caps);
pool_resource = pool_->AcquireResource(internal_content_bounds_, format,
gfx::ColorSpace());
if (!pool_resource.gpu_backing()) {
auto backing = std::make_unique<HudGpuBacking>();
auto* sii = raster_context_provider
? raster_context_provider->SharedImageInterface()
: context_provider->SharedImageInterface();
backing->shared_image_interface = sii;
backing->InitOverlayCandidateAndTextureTarget(
pool_resource.format(), caps,
layer_tree_impl()
->settings()
.resource_settings.use_gpu_memory_buffer_resources);
uint32_t flags = gpu::SHARED_IMAGE_USAGE_DISPLAY;
if (use_oopr) {
flags |= gpu::SHARED_IMAGE_USAGE_RASTER |
gpu::SHARED_IMAGE_USAGE_OOP_RASTERIZATION;
} else if (gpu_raster) {
flags |= gpu::SHARED_IMAGE_USAGE_GLES2 |
gpu::SHARED_IMAGE_USAGE_GLES2_FRAMEBUFFER_HINT;
}
if (backing->overlay_candidate)
flags |= gpu::SHARED_IMAGE_USAGE_SCANOUT;
backing->mailbox =
sii->CreateSharedImage(pool_resource.format(), pool_resource.size(),
pool_resource.color_space(), flags);
if (raster_context_provider) {
auto* ri = raster_context_provider->RasterInterface();
ri->WaitSyncTokenCHROMIUM(sii->GenUnverifiedSyncToken().GetConstData());
} else {
auto* gl = context_provider->ContextGL();
gl->WaitSyncTokenCHROMIUM(sii->GenUnverifiedSyncToken().GetConstData());
}
pool_resource.set_gpu_backing(std::move(backing));
} else if (pool_resource.gpu_backing()->returned_sync_token.HasData()) {
if (raster_context_provider) {
auto* ri = raster_context_provider->RasterInterface();
ri->WaitSyncTokenCHROMIUM(
pool_resource.gpu_backing()->returned_sync_token.GetConstData());
} else {
auto* gl = context_provider->ContextGL();
gl->WaitSyncTokenCHROMIUM(
pool_resource.gpu_backing()->returned_sync_token.GetConstData());
}
pool_resource.gpu_backing()->returned_sync_token = gpu::SyncToken();
}
} else {
DCHECK_EQ(draw_mode, DRAW_MODE_SOFTWARE);
pool_resource = pool_->AcquireResource(internal_content_bounds_,
viz::RGBA_8888, gfx::ColorSpace());
if (!pool_resource.software_backing()) {
auto backing = std::make_unique<HudSoftwareBacking>();
backing->layer_tree_frame_sink = layer_tree_frame_sink;
backing->shared_bitmap_id = viz::SharedBitmap::GenerateId();
base::MappedReadOnlyRegion mapped_region =
viz::bitmap_allocation::AllocateSharedBitmap(pool_resource.size(),
pool_resource.format());
backing->shared_mapping = std::move(mapped_region.mapping);
layer_tree_frame_sink->DidAllocateSharedBitmap(
viz::bitmap_allocation::ToMojoHandle(std::move(mapped_region.region)),
backing->shared_bitmap_id);
pool_resource.set_software_backing(std::move(backing));
}
}
if (gpu_raster) {
// If using |gpu_raster| we DrawHudContents() directly to a gpu texture,
// which is wrapped in an SkSurface.
DCHECK_EQ(draw_mode, DRAW_MODE_HARDWARE);
DCHECK(pool_resource.gpu_backing());
auto* backing = static_cast<HudGpuBacking*>(pool_resource.gpu_backing());
if (use_oopr) {
const auto& size = pool_resource.size();
auto display_item_list = base::MakeRefCounted<DisplayItemList>(
DisplayItemList::kTopLevelDisplayItemList);
RecordPaintCanvas canvas(display_item_list.get(),
SkRect::MakeIWH(size.width(), size.height()));
display_item_list->StartPaint();
DrawHudContents(&canvas);
display_item_list->EndPaintOfUnpaired(gfx::Rect(size));
display_item_list->Finalize();
auto* ri = raster_context_provider->RasterInterface();
constexpr GLuint background_color = SkColorSetARGB(0, 0, 0, 0);
constexpr GLuint msaa_sample_count = -1;
constexpr bool can_use_lcd_text = true;
ri->BeginRasterCHROMIUM(background_color, msaa_sample_count,
can_use_lcd_text, gfx::ColorSpace::CreateSRGB(),
backing->mailbox.name);
gfx::Vector2dF post_translate(0.f, 0.f);
DummyImageProvider image_provider;
size_t max_op_size_limit =
gpu::raster::RasterInterface::kDefaultMaxOpSizeHint;
ri->RasterCHROMIUM(display_item_list.get(), &image_provider, size,
gfx::Rect(size), gfx::Rect(size), post_translate,
1.f /* post_scale */, false /* requires_clear */,
&max_op_size_limit);
ri->EndRasterCHROMIUM();
backing->mailbox_sync_token =
viz::ClientResourceProvider::GenerateSyncTokenHelper(ri);
} else {
auto* gl = context_provider->ContextGL();
GLuint mailbox_texture_id =
gl->CreateAndConsumeTextureCHROMIUM(backing->mailbox.name);
{
ScopedGpuRaster gpu_raster(context_provider);
viz::ClientResourceProvider::ScopedSkSurface scoped_surface(
context_provider->GrContext(),
pool_resource.color_space().ToSkColorSpace(), mailbox_texture_id,
backing->texture_target, pool_resource.size(),
pool_resource.format(), false /* can_use_lcd_text */,
0 /* msaa_sample_count */);
SkSurface* surface = scoped_surface.surface();
if (!surface) {
pool_->ReleaseResource(std::move(pool_resource));
return;
}
SkiaPaintCanvas canvas(surface->getCanvas());
DrawHudContents(&canvas);
}
gl->DeleteTextures(1, &mailbox_texture_id);
backing->mailbox_sync_token =
viz::ClientResourceProvider::GenerateSyncTokenHelper(gl);
}
} else if (draw_mode == DRAW_MODE_HARDWARE) {
// If not using |gpu_raster| but using gpu compositing, we DrawHudContents()
// into a software bitmap and upload it to a texture for compositing.
DCHECK(pool_resource.gpu_backing());
auto* backing = static_cast<HudGpuBacking*>(pool_resource.gpu_backing());
viz::ContextProvider* context_provider =
layer_tree_impl()->context_provider();
gpu::gles2::GLES2Interface* gl = context_provider->ContextGL();
if (!staging_surface_ ||
gfx::SkISizeToSize(staging_surface_->getCanvas()->getBaseLayerSize()) !=
pool_resource.size()) {
staging_surface_ = SkSurface::MakeRasterN32Premul(
pool_resource.size().width(), pool_resource.size().height());
}
SkiaPaintCanvas canvas(staging_surface_->getCanvas());
DrawHudContents(&canvas);
TRACE_EVENT0("cc", "UploadHudTexture");
SkPixmap pixmap;
staging_surface_->peekPixels(&pixmap);
GLuint mailbox_texture_id =
gl->CreateAndConsumeTextureCHROMIUM(backing->mailbox.name);
gl->BindTexture(backing->texture_target, mailbox_texture_id);
DCHECK(GLSupportsFormat(pool_resource.format()));
// We should use gl compatible format for skia SW rasterization.
constexpr GLenum format = SK_B32_SHIFT ? GL_RGBA : GL_BGRA_EXT;
constexpr GLenum type = GL_UNSIGNED_BYTE;
gl->TexSubImage2D(
backing->texture_target, 0, 0, 0, pool_resource.size().width(),
pool_resource.size().height(), format, type, pixmap.addr());
gl->DeleteTextures(1, &mailbox_texture_id);
backing->mailbox_sync_token =
viz::ClientResourceProvider::GenerateSyncTokenHelper(gl);
} else {
// If not using gpu compositing, we DrawHudContents() directly into a shared
// memory bitmap, wrapped in an SkSurface, that can be shared to the display
// compositor.
DCHECK_EQ(draw_mode, DRAW_MODE_SOFTWARE);
DCHECK(pool_resource.software_backing());
SkImageInfo info = SkImageInfo::MakeN32Premul(
pool_resource.size().width(), pool_resource.size().height());
auto* backing =
static_cast<HudSoftwareBacking*>(pool_resource.software_backing());
sk_sp<SkSurface> surface = SkSurface::MakeRasterDirect(
info, backing->shared_mapping.memory(), info.minRowBytes());
SkiaPaintCanvas canvas(surface->getCanvas());
DrawHudContents(&canvas);
}
// Exports the backing to the ResourceProvider, giving it a ResourceId that
// can be used in a DrawQuad.
bool exported = pool_->PrepareForExport(pool_resource);
DCHECK(exported);
viz::ResourceId resource_id = pool_resource.resource_id_for_export();
// Save the resource to prevent reuse until it is exported to the display
// compositor. Next time we come here, we can release it back to the pool as
// it will be exported by then.
in_flight_resource_ = std::move(pool_resource);
// This iterates over the RenderPass list of quads to find the HUD quad, which
// will always be in the root RenderPass.
auto& render_pass = list.back();
for (auto it = render_pass->quad_list.begin();
it != render_pass->quad_list.end(); ++it) {
if (*it == current_quad_) {
const viz::SharedQuadState* sqs = current_quad_->shared_quad_state;
gfx::Rect quad_rect = current_quad_->rect;
gfx::Rect visible_rect = current_quad_->visible_rect;
current_quad_ = nullptr;
auto* quad =
render_pass->quad_list.ReplaceExistingElement<viz::TextureDrawQuad>(
it);
const float vertex_opacity[] = {1.f, 1.f, 1.f, 1.f};
quad->SetNew(sqs, quad_rect, visible_rect, /*needs_blending=*/true,
resource_id, /*premultiplied_alpha=*/true,
/*uv_top_left=*/gfx::PointF(),
/*uv_bottom_right=*/gfx::PointF(1.f, 1.f),
/*background_color=*/SK_ColorTRANSPARENT, vertex_opacity,
/*flipped=*/false,
/*nearest_neighbor=*/false, /*secure_output_only=*/false,
ui::ProtectedVideoType::kClear);
ValidateQuadResources(quad);
break;
}
}
// If this fails, we didn't find |current_quad_| in the root RenderPass, so we
// didn't append it for the frame (why are we here then?), or it landed in
// some other RenderPass, both of which are unexpected.
DCHECK(!current_quad_);
}
void HeadsUpDisplayLayerImpl::ReleaseResources() {
if (in_flight_resource_)
pool_->ReleaseResource(std::move(in_flight_resource_));
pool_.reset();
}
gfx::Rect HeadsUpDisplayLayerImpl::GetEnclosingRectInTargetSpace() const {
DCHECK_GT(internal_contents_scale_, 0.f);
return GetScaledEnclosingRectInTargetSpace(internal_contents_scale_);
}
void HeadsUpDisplayLayerImpl::SetHUDTypeface(sk_sp<SkTypeface> typeface) {
if (typeface_ == typeface)
return;
DCHECK(typeface_.get() == nullptr);
typeface_ = std::move(typeface);
NoteLayerPropertyChanged();
}
const std::vector<gfx::Rect>& HeadsUpDisplayLayerImpl::LayoutShiftRects()
const {
return layout_shift_rects_;
}
void HeadsUpDisplayLayerImpl::SetLayoutShiftRects(
const std::vector<gfx::Rect>& rects) {
layout_shift_rects_ = rects;
}
void HeadsUpDisplayLayerImpl::PushPropertiesTo(LayerImpl* layer) {
LayerImpl::PushPropertiesTo(layer);
HeadsUpDisplayLayerImpl* layer_impl =
static_cast<HeadsUpDisplayLayerImpl*>(layer);
layer_impl->SetHUDTypeface(typeface_);
layer_impl->SetLayoutShiftRects(layout_shift_rects_);
}
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(PaintCanvas* canvas) {
const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state();
TRACE_EVENT0("cc", "DrawHudContents");
canvas->clear(SkColorSetARGB(0, 0, 0, 0));
canvas->save();
canvas->scale(internal_contents_scale_, internal_contents_scale_);
if (debug_state.ShowHudRects()) {
DrawDebugRects(canvas, layer_tree_impl()->debug_rect_history());
if (IsAnimatingHUDContents()) {
layer_tree_impl()->SetNeedsRedraw();
}
}
if (!debug_state.show_fps_counter) {
canvas->restore();
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() && memory_entry_.total_bytes_used)
DrawMemoryDisplay(canvas, 0, area.bottom(), SkMaxScalar(area.width(), 150));
canvas->restore();
}
void HeadsUpDisplayLayerImpl::DrawText(PaintCanvas* canvas,
const PaintFlags& flags,
const std::string& text,
TextAlign align,
int size,
int x,
int y) const {
DCHECK(typeface_.get());
SkFont font(typeface_, size);
font.setEdging(SkFont::Edging::kAntiAlias);
if (align == TextAlign::kCenter) {
auto width =
font.measureText(text.c_str(), text.length(), SkTextEncoding::kUTF8);
x -= width * 0.5f;
} else if (align == TextAlign::kRight) {
auto width =
font.measureText(text.c_str(), text.length(), SkTextEncoding::kUTF8);
x -= width;
}
canvas->drawTextBlob(
SkTextBlob::MakeFromText(text.c_str(), text.length(), font), x, y, flags);
}
void HeadsUpDisplayLayerImpl::DrawText(PaintCanvas* canvas,
const PaintFlags& flags,
const std::string& text,
TextAlign align,
int size,
const SkPoint& pos) const {
DrawText(canvas, flags, text, align, size, pos.x(), pos.y());
}
void HeadsUpDisplayLayerImpl::DrawGraphBackground(PaintCanvas* canvas,
PaintFlags* flags,
const SkRect& bounds) const {
flags->setColor(DebugColors::HUDBackgroundColor());
canvas->drawRect(bounds, *flags);
}
void HeadsUpDisplayLayerImpl::DrawGraphLines(PaintCanvas* canvas,
PaintFlags* flags,
const SkRect& bounds,
const Graph& graph) const {
// Draw top and bottom line.
flags->setColor(DebugColors::HUDSeparatorLineColor());
canvas->drawLine(bounds.left(), bounds.top() - 1, bounds.right(),
bounds.top() - 1, *flags);
canvas->drawLine(bounds.left(), bounds.bottom(), bounds.right(),
bounds.bottom(), *flags);
// Draw indicator line (additive blend mode to increase contrast when drawn on
// top of graph).
flags->setColor(DebugColors::HUDIndicatorLineColor());
flags->setBlendMode(SkBlendMode::kPlus);
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, *flags);
flags->setBlendMode(SkBlendMode::kSrcOver);
}
SkRect HeadsUpDisplayLayerImpl::DrawFPSDisplay(
PaintCanvas* canvas,
const FrameRateCounter* fps_counter,
int right,
int top) const {
const int kPadding = 4;
const int kGap = 6;
const int kTitleFontHeight = 13;
const int kFontHeight = 12;
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 = kTitleFontHeight + kFontHeight + kGraphHeight + 6 * kPadding + 2;
int left = 0;
SkRect area = SkRect::MakeXYWH(left, top, width, height);
PaintFlags flags;
DrawGraphBackground(canvas, &flags, area);
SkRect title_bounds = SkRect::MakeXYWH(
left + kPadding, top + kPadding, kGraphWidth + kHistogramWidth + kGap + 2,
kTitleFontHeight);
SkRect text_bounds =
SkRect::MakeXYWH(left + kPadding, title_bounds.bottom() + 2 * 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 title("Frame Rate");
const std::string value_text =
base::StringPrintf("%5.1f fps", fps_graph_.value);
const std::string min_max_text =
base::StringPrintf("%.0f-%.0f", fps_graph_.min, fps_graph_.max);
VLOG(1) << value_text;
flags.setColor(DebugColors::HUDTitleColor());
DrawText(canvas, flags, title, TextAlign::kLeft, kTitleFontHeight,
title_bounds.left(), title_bounds.bottom());
flags.setColor(DebugColors::FPSDisplayTextAndGraphColor());
DrawText(canvas, flags, value_text, TextAlign::kLeft, kFontHeight,
text_bounds.left(), text_bounds.bottom());
DrawText(canvas, flags, min_max_text, TextAlign::kRight, kFontHeight,
text_bounds.right(), text_bounds.bottom());
DrawGraphLines(canvas, &flags, 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.
flags.setColor(DebugColors::HUDSeparatorLineColor());
canvas->drawLine(histogram_bounds.left() - 1, histogram_bounds.top() - 1,
histogram_bounds.left() - 1, histogram_bounds.bottom() + 1,
flags);
canvas->drawLine(histogram_bounds.right() + 1, histogram_bounds.top() - 1,
histogram_bounds.right() + 1, histogram_bounds.bottom() + 1,
flags);
flags.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),
flags);
}
}
// Draw FPS graph.
flags.setAntiAlias(true);
flags.setStyle(PaintFlags::kStroke_Style);
flags.setStrokeWidth(1);
canvas->drawPath(path, flags);
return area;
}
SkRect HeadsUpDisplayLayerImpl::DrawMemoryDisplay(PaintCanvas* canvas,
int right,
int top,
int width) const {
const int kPadding = 4;
const int kTitleFontHeight = 13;
const int kFontHeight = 12;
const int height = kTitleFontHeight + 2 * kFontHeight + 5 * kPadding;
const int left = 0;
const SkRect area = SkRect::MakeXYWH(left, top, width, height);
const double kMegabyte = 1024.0 * 1024.0;
PaintFlags flags;
DrawGraphBackground(canvas, &flags, area);
SkPoint title_pos =
SkPoint::Make(left + kPadding, top + kFontHeight + kPadding);
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);
flags.setColor(DebugColors::HUDTitleColor());
DrawText(canvas, flags, "GPU Memory", TextAlign::kLeft, kTitleFontHeight,
title_pos);
flags.setColor(DebugColors::MemoryDisplayTextColor());
std::string text = base::StringPrintf(
"%6.1f MB used", memory_entry_.total_bytes_used / kMegabyte);
DrawText(canvas, flags, text, TextAlign::kRight, kFontHeight, stat1_pos);
if (!memory_entry_.had_enough_memory)
flags.setColor(SK_ColorRED);
text = base::StringPrintf("%6.1f MB max ",
memory_entry_.total_budget_in_bytes / kMegabyte);
DrawText(canvas, flags, text, TextAlign::kRight, kFontHeight, stat2_pos);
// Draw memory graph.
int length = 2 * kFontHeight + kPadding + 12;
SkRect oval =
SkRect::MakeXYWH(left + kPadding * 6,
top + kTitleFontHeight + kPadding * 3, length, length);
flags.setAntiAlias(true);
flags.setStyle(PaintFlags::kFill_Style);
flags.setColor(SkColorSetARGB(64, 255, 255, 0));
DrawArc(canvas, oval, 180, 180, flags);
int radius = length / 2;
int cx = oval.left() + radius;
int cy = oval.top() + radius;
double angle = ((double)memory_entry_.total_bytes_used /
memory_entry_.total_budget_in_bytes) *
180;
SkColor colors[] = {SK_ColorRED, SK_ColorGREEN, SK_ColorGREEN,
SkColorSetARGB(255, 255, 140, 0), SK_ColorRED};
const SkScalar pos[] = {SkFloatToScalar(0.2f), SkFloatToScalar(0.4f),
SkFloatToScalar(0.6f), SkFloatToScalar(0.8f),
SkFloatToScalar(1.0f)};
flags.setShader(PaintShader::MakeSweepGradient(cx, cy, colors, pos, 5,
SkTileMode::kClamp, 0, 360));
flags.setAntiAlias(true);
// Draw current status.
flags.setStyle(PaintFlags::kStroke_Style);
flags.setAlpha(32);
flags.setStrokeWidth(4);
DrawArc(canvas, oval, 180, angle, flags);
flags.setStyle(PaintFlags::kFill_Style);
flags.setColor(SkColorSetARGB(255, 0, 255, 0));
DrawArc(canvas, oval, 180, angle, flags);
flags.setShader(nullptr);
return area;
}
SkRect HeadsUpDisplayLayerImpl::DrawGpuRasterizationStatus(PaintCanvas* 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;
}
if (status.empty())
return SkRect::MakeEmpty();
const int kPadding = 4;
const int kTitleFontHeight = 13;
const int kFontHeight = 12;
const int height = kTitleFontHeight + kFontHeight + 3 * kPadding;
const int left = 0;
const SkRect area = SkRect::MakeXYWH(left, top, width, height);
PaintFlags flags;
DrawGraphBackground(canvas, &flags, area);
SkPoint gpu_status_pos = SkPoint::Make(left + width - kPadding,
top + 2 * kFontHeight + 2 * kPadding);
flags.setColor(DebugColors::HUDTitleColor());
DrawText(canvas, flags, "GPU Raster", TextAlign::kLeft, kTitleFontHeight,
left + kPadding, top + kFontHeight + kPadding);
flags.setColor(color);
DrawText(canvas, flags, status, TextAlign::kRight, kFontHeight,
gpu_status_pos);
return area;
}
void HeadsUpDisplayLayerImpl::DrawDebugRect(
PaintCanvas* canvas,
PaintFlags* flags,
const DebugRect& rect,
SkColor stroke_color,
SkColor fill_color,
float stroke_width,
const std::string& label_text) const {
DCHECK(typeface_.get());
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);
flags->setColor(fill_color);
flags->setStyle(PaintFlags::kFill_Style);
canvas->drawIRect(sk_rect, *flags);
flags->setColor(stroke_color);
flags->setStyle(PaintFlags::kStroke_Style);
flags->setStrokeWidth(SkFloatToScalar(stroke_width));
canvas->drawIRect(sk_rect, *flags);
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());
PaintFlags label_flags;
label_flags.setColor(stroke_color);
SkFont label_font(typeface_, kFontHeight);
const SkScalar label_text_width = label_font.measureText(
label_text.c_str(), label_text.length(), SkTextEncoding::kUTF8);
canvas->drawRect(SkRect::MakeWH(label_text_width + 2 * kPadding,
kFontHeight + 2 * kPadding),
label_flags);
label_flags.setColor(SkColorSetARGB(255, 50, 50, 50));
DrawText(canvas, label_flags, label_text, TextAlign::kLeft, kFontHeight,
kPadding, kFontHeight * 0.8f + kPadding);
canvas->restore();
}
}
void HeadsUpDisplayLayerImpl::DrawDebugRects(
PaintCanvas* canvas,
DebugRectHistory* debug_rect_history) {
PaintFlags flags;
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 LAYOUT_SHIFT_RECT_TYPE:
// TODO(rnasri@): Handle layout shift rects drawing.
break;
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 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: ";
label_text.append(TouchActionToString(debug_rects[i].touch_action));
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, &flags, 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, &flags, 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