| // 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. |
| |
| #ifndef CC_LAYERS_HEADS_UP_DISPLAY_LAYER_IMPL_H_ |
| #define CC_LAYERS_HEADS_UP_DISPLAY_LAYER_IMPL_H_ |
| |
| #include <memory> |
| #include <string> |
| #include <vector> |
| |
| #include "base/memory/ptr_util.h" |
| #include "base/time/time.h" |
| #include "cc/cc_export.h" |
| #include "cc/layers/layer_impl.h" |
| #include "cc/resources/memory_history.h" |
| #include "cc/resources/resource_pool.h" |
| #include "cc/trees/debug_rect_history.h" |
| #include "third_party/skia/include/core/SkRefCnt.h" |
| |
| class SkTypeface; |
| struct SkRect; |
| |
| namespace viz { |
| class ClientResourceProvider; |
| } |
| |
| namespace cc { |
| class FrameRateCounter; |
| class LayerTreeFrameSink; |
| class PaintCanvas; |
| class PaintFlags; |
| |
| enum class TextAlign { kLeft, kCenter, kRight }; |
| |
| class CC_EXPORT HeadsUpDisplayLayerImpl : public LayerImpl { |
| public: |
| static std::unique_ptr<HeadsUpDisplayLayerImpl> Create( |
| LayerTreeImpl* tree_impl, |
| int id) { |
| return base::WrapUnique(new HeadsUpDisplayLayerImpl(tree_impl, id)); |
| } |
| HeadsUpDisplayLayerImpl(const HeadsUpDisplayLayerImpl&) = delete; |
| ~HeadsUpDisplayLayerImpl() override; |
| |
| HeadsUpDisplayLayerImpl& operator=(const HeadsUpDisplayLayerImpl&) = delete; |
| |
| std::unique_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl) override; |
| |
| bool WillDraw(DrawMode draw_mode, |
| viz::ClientResourceProvider* resource_provider) override; |
| void AppendQuads(viz::RenderPass* render_pass, |
| AppendQuadsData* append_quads_data) override; |
| void UpdateHudTexture(DrawMode draw_mode, |
| LayerTreeFrameSink* frame_sink, |
| viz::ClientResourceProvider* resource_provider, |
| bool gpu_raster, |
| const viz::RenderPassList& list); |
| |
| void ReleaseResources() override; |
| |
| gfx::Rect GetEnclosingRectInTargetSpace() const override; |
| |
| bool IsAnimatingHUDContents() const { return fade_step_ > 0; } |
| |
| void SetHUDTypeface(sk_sp<SkTypeface> typeface); |
| |
| // This evicts hud quad appended during render pass preparation. |
| void EvictHudQuad(const viz::RenderPassList& list); |
| |
| // LayerImpl overrides. |
| void PushPropertiesTo(LayerImpl* layer) override; |
| |
| private: |
| class Graph { |
| public: |
| Graph(double indicator_value, double start_upper_bound); |
| |
| // Eases the upper bound, which limits what is currently visible in the |
| // graph, so that the graph always scales to either it's max or |
| // default_upper_bound. |
| double UpdateUpperBound(); |
| |
| double value; |
| double min; |
| double max; |
| |
| double current_upper_bound; |
| const double default_upper_bound; |
| const double indicator; |
| }; |
| |
| HeadsUpDisplayLayerImpl(LayerTreeImpl* tree_impl, int id); |
| |
| const char* LayerTypeAsString() const override; |
| |
| void AsValueInto(base::trace_event::TracedValue* dict) const override; |
| |
| void UpdateHudContents(); |
| void DrawHudContents(PaintCanvas* canvas); |
| void DrawText(PaintCanvas* canvas, |
| const PaintFlags& flags, |
| const std::string& text, |
| TextAlign align, |
| int size, |
| int x, |
| int y) const; |
| void DrawText(PaintCanvas* canvas, |
| const PaintFlags& flags, |
| const std::string& text, |
| TextAlign align, |
| int size, |
| const SkPoint& pos) const; |
| void DrawGraphBackground(PaintCanvas* canvas, |
| PaintFlags* flags, |
| const SkRect& bounds) const; |
| void DrawGraphLines(PaintCanvas* canvas, |
| PaintFlags* flags, |
| const SkRect& bounds, |
| const Graph& graph) const; |
| |
| SkRect DrawFPSDisplay(PaintCanvas* canvas, |
| const FrameRateCounter* fps_counter, |
| int right, |
| int top) const; |
| SkRect DrawMemoryDisplay(PaintCanvas* canvas, |
| int top, |
| int right, |
| int width) const; |
| SkRect DrawGpuRasterizationStatus(PaintCanvas* canvas, |
| int right, |
| int top, |
| int width) const; |
| void DrawDebugRect(PaintCanvas* canvas, |
| PaintFlags* flags, |
| const DebugRect& rect, |
| SkColor stroke_color, |
| SkColor fill_color, |
| float stroke_width, |
| const std::string& label_text) const; |
| void DrawDebugRects(PaintCanvas* canvas, |
| DebugRectHistory* debug_rect_history); |
| |
| ResourcePool::InUsePoolResource in_flight_resource_; |
| std::unique_ptr<ResourcePool> pool_; |
| viz::DrawQuad* current_quad_ = nullptr; |
| // Used for software raster when it will be uploaded to a texture. |
| sk_sp<SkSurface> staging_surface_; |
| |
| sk_sp<SkTypeface> typeface_; |
| |
| float internal_contents_scale_; |
| gfx::Size internal_content_bounds_; |
| |
| Graph fps_graph_; |
| Graph paint_time_graph_; |
| MemoryHistory::Entry memory_entry_; |
| int fade_step_; |
| std::vector<DebugRect> paint_rects_; |
| |
| base::TimeTicks time_of_last_graph_update_; |
| }; |
| |
| } // namespace cc |
| |
| #endif // CC_LAYERS_HEADS_UP_DISPLAY_LAYER_IMPL_H_ |