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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 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 | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "cc/layers/heads_up_display_layer_impl.h" | 5 #include "cc/layers/heads_up_display_layer_impl.h" |
6 | 6 |
7 #include <algorithm> | 7 #include <algorithm> |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/debug/trace_event.h" | 10 #include "base/debug/trace_event.h" |
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74 paint_time_graph_(16.0, 48.0), | 74 paint_time_graph_(16.0, 48.0), |
75 fade_step_(0) {} | 75 fade_step_(0) {} |
76 | 76 |
77 HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {} | 77 HeadsUpDisplayLayerImpl::~HeadsUpDisplayLayerImpl() {} |
78 | 78 |
79 scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl( | 79 scoped_ptr<LayerImpl> HeadsUpDisplayLayerImpl::CreateLayerImpl( |
80 LayerTreeImpl* tree_impl) { | 80 LayerTreeImpl* tree_impl) { |
81 return HeadsUpDisplayLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>(); | 81 return HeadsUpDisplayLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>(); |
82 } | 82 } |
83 | 83 |
| 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: |
| 104 explicit ResourceSizeIsEqualTo(const gfx::Size& size_) |
| 105 : compare_size_(size_) {} |
| 106 |
| 107 bool operator()(const ScopedResource* resource) { |
| 108 return resource->size() == compare_size_; |
| 109 } |
| 110 |
| 111 private: |
| 112 const gfx::Size compare_size_; |
| 113 }; |
| 114 |
| 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 |
84 bool HeadsUpDisplayLayerImpl::WillDraw(DrawMode draw_mode, | 122 bool HeadsUpDisplayLayerImpl::WillDraw(DrawMode draw_mode, |
85 ResourceProvider* resource_provider) { | 123 ResourceProvider* resource_provider) { |
86 if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE) | 124 if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE) |
87 return false; | 125 return false; |
88 | 126 |
89 if (!hud_resource_) | 127 ReleaseUnmatchedSizeResources(resource_provider); |
90 hud_resource_ = ScopedResource::Create(resource_provider); | 128 AcquireResource(resource_provider); |
91 | |
92 // TODO(danakj): The HUD could swap between two textures instead of creating a | |
93 // texture every frame in ubercompositor. | |
94 if (hud_resource_->size() != content_bounds() || | |
95 (hud_resource_->id() && | |
96 resource_provider->InUseByConsumer(hud_resource_->id()))) { | |
97 hud_resource_->Free(); | |
98 } | |
99 | |
100 if (!hud_resource_->id()) { | |
101 hud_resource_->Allocate( | |
102 content_bounds(), ResourceProvider::TextureHintImmutable, RGBA_8888); | |
103 } | |
104 | |
105 return LayerImpl::WillDraw(draw_mode, resource_provider); | 129 return LayerImpl::WillDraw(draw_mode, resource_provider); |
106 } | 130 } |
107 | 131 |
108 void HeadsUpDisplayLayerImpl::AppendQuads( | 132 void HeadsUpDisplayLayerImpl::AppendQuads( |
109 RenderPass* render_pass, | 133 RenderPass* render_pass, |
110 const OcclusionTracker<LayerImpl>& occlusion_tracker, | 134 const OcclusionTracker<LayerImpl>& occlusion_tracker, |
111 AppendQuadsData* append_quads_data) { | 135 AppendQuadsData* append_quads_data) { |
112 if (!hud_resource_->id()) | 136 if (!resources_.back()->id()) |
113 return; | 137 return; |
114 | 138 |
115 SharedQuadState* shared_quad_state = | 139 SharedQuadState* shared_quad_state = |
116 render_pass->CreateAndAppendSharedQuadState(); | 140 render_pass->CreateAndAppendSharedQuadState(); |
117 PopulateSharedQuadState(shared_quad_state); | 141 PopulateSharedQuadState(shared_quad_state); |
118 | 142 |
119 gfx::Rect quad_rect(content_bounds()); | 143 gfx::Rect quad_rect(content_bounds()); |
120 gfx::Rect opaque_rect(contents_opaque() ? quad_rect : gfx::Rect()); | 144 gfx::Rect opaque_rect(contents_opaque() ? quad_rect : gfx::Rect()); |
121 gfx::Rect visible_quad_rect(quad_rect); | 145 gfx::Rect visible_quad_rect(quad_rect); |
122 bool premultiplied_alpha = true; | 146 bool premultiplied_alpha = true; |
123 gfx::PointF uv_top_left(0.f, 0.f); | 147 gfx::PointF uv_top_left(0.f, 0.f); |
124 gfx::PointF uv_bottom_right(1.f, 1.f); | 148 gfx::PointF uv_bottom_right(1.f, 1.f); |
125 const float vertex_opacity[] = { 1.f, 1.f, 1.f, 1.f }; | 149 const float vertex_opacity[] = { 1.f, 1.f, 1.f, 1.f }; |
126 bool flipped = false; | 150 bool flipped = false; |
127 TextureDrawQuad* quad = | 151 TextureDrawQuad* quad = |
128 render_pass->CreateAndAppendDrawQuad<TextureDrawQuad>(); | 152 render_pass->CreateAndAppendDrawQuad<TextureDrawQuad>(); |
129 quad->SetNew(shared_quad_state, | 153 quad->SetNew(shared_quad_state, |
130 quad_rect, | 154 quad_rect, |
131 opaque_rect, | 155 opaque_rect, |
132 visible_quad_rect, | 156 visible_quad_rect, |
133 hud_resource_->id(), | 157 resources_.back()->id(), |
134 premultiplied_alpha, | 158 premultiplied_alpha, |
135 uv_top_left, | 159 uv_top_left, |
136 uv_bottom_right, | 160 uv_bottom_right, |
137 SK_ColorTRANSPARENT, | 161 SK_ColorTRANSPARENT, |
138 vertex_opacity, | 162 vertex_opacity, |
139 flipped); | 163 flipped); |
140 } | 164 } |
141 | 165 |
142 void HeadsUpDisplayLayerImpl::UpdateHudTexture( | 166 void HeadsUpDisplayLayerImpl::UpdateHudTexture( |
143 DrawMode draw_mode, | 167 DrawMode draw_mode, |
144 ResourceProvider* resource_provider) { | 168 ResourceProvider* resource_provider) { |
145 if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE || !hud_resource_->id()) | 169 if (draw_mode == DRAW_MODE_RESOURCELESS_SOFTWARE || !resources_.back()->id()) |
146 return; | 170 return; |
147 | 171 |
148 SkISize canvas_size; | 172 SkISize canvas_size; |
149 if (hud_canvas_) | 173 if (hud_canvas_) |
150 canvas_size = hud_canvas_->getDeviceSize(); | 174 canvas_size = hud_canvas_->getDeviceSize(); |
151 else | 175 else |
152 canvas_size.set(0, 0); | 176 canvas_size.set(0, 0); |
153 | 177 |
154 if (canvas_size.width() != content_bounds().width() || | 178 if (canvas_size.width() != content_bounds().width() || |
155 canvas_size.height() != content_bounds().height() || !hud_canvas_) { | 179 canvas_size.height() != content_bounds().height() || !hud_canvas_) { |
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172 hud_canvas_->restore(); | 196 hud_canvas_->restore(); |
173 } | 197 } |
174 | 198 |
175 TRACE_EVENT0("cc", "UploadHudTexture"); | 199 TRACE_EVENT0("cc", "UploadHudTexture"); |
176 SkImageInfo info; | 200 SkImageInfo info; |
177 size_t row_bytes = 0; | 201 size_t row_bytes = 0; |
178 const void* pixels = hud_canvas_->peekPixels(&info, &row_bytes); | 202 const void* pixels = hud_canvas_->peekPixels(&info, &row_bytes); |
179 DCHECK(pixels); | 203 DCHECK(pixels); |
180 gfx::Rect content_rect(content_bounds()); | 204 gfx::Rect content_rect(content_bounds()); |
181 DCHECK(info.colorType() == kN32_SkColorType); | 205 DCHECK(info.colorType() == kN32_SkColorType); |
182 resource_provider->SetPixels(hud_resource_->id(), | 206 resource_provider->SetPixels(resources_.back()->id(), |
183 static_cast<const uint8_t*>(pixels), | 207 static_cast<const uint8_t*>(pixels), |
184 content_rect, | 208 content_rect, |
185 content_rect, | 209 content_rect, |
186 gfx::Vector2d()); | 210 gfx::Vector2d()); |
187 } | 211 } |
188 | 212 |
189 void HeadsUpDisplayLayerImpl::ReleaseResources() { hud_resource_.reset(); } | 213 void HeadsUpDisplayLayerImpl::ReleaseResources() { |
| 214 resources_.clear(); |
| 215 } |
190 | 216 |
191 void HeadsUpDisplayLayerImpl::UpdateHudContents() { | 217 void HeadsUpDisplayLayerImpl::UpdateHudContents() { |
192 const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state(); | 218 const LayerTreeDebugState& debug_state = layer_tree_impl()->debug_state(); |
193 | 219 |
194 // Don't update numbers every frame so text is readable. | 220 // Don't update numbers every frame so text is readable. |
195 base::TimeTicks now = layer_tree_impl()->CurrentBeginFrameArgs().frame_time; | 221 base::TimeTicks now = layer_tree_impl()->CurrentBeginFrameArgs().frame_time; |
196 if (base::TimeDelta(now - time_of_last_graph_update_).InSecondsF() > 0.25f) { | 222 if (base::TimeDelta(now - time_of_last_graph_update_).InSecondsF() > 0.25f) { |
197 time_of_last_graph_update_ = now; | 223 time_of_last_graph_update_ = now; |
198 | 224 |
199 if (debug_state.show_fps_counter) { | 225 if (debug_state.show_fps_counter) { |
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762 return "cc::HeadsUpDisplayLayerImpl"; | 788 return "cc::HeadsUpDisplayLayerImpl"; |
763 } | 789 } |
764 | 790 |
765 void HeadsUpDisplayLayerImpl::AsValueInto( | 791 void HeadsUpDisplayLayerImpl::AsValueInto( |
766 base::debug::TracedValue* dict) const { | 792 base::debug::TracedValue* dict) const { |
767 LayerImpl::AsValueInto(dict); | 793 LayerImpl::AsValueInto(dict); |
768 dict->SetString("layer_name", "Heads Up Display Layer"); | 794 dict->SetString("layer_name", "Heads Up Display Layer"); |
769 } | 795 } |
770 | 796 |
771 } // namespace cc | 797 } // namespace cc |
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