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Issue 2808413002: Rename Layer::screen_space_transform to Layer::ScreenSpaceTransform (Closed)
Patch Set: Created 3 years, 8 months ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 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/benchmarks/invalidation_benchmark.h" 5 #include "cc/benchmarks/invalidation_benchmark.h"
6 6
7 #include <stdint.h> 7 #include <stdint.h>
8 8
9 #include <algorithm> 9 #include <algorithm>
10 #include <limits> 10 #include <limits>
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65 65
66 void InvalidationBenchmark::DidUpdateLayers(LayerTreeHost* layer_tree_host) { 66 void InvalidationBenchmark::DidUpdateLayers(LayerTreeHost* layer_tree_host) {
67 LayerTreeHostCommon::CallFunctionForEveryLayer( 67 LayerTreeHostCommon::CallFunctionForEveryLayer(
68 layer_tree_host, 68 layer_tree_host,
69 [this](Layer* layer) { layer->RunMicroBenchmark(this); }); 69 [this](Layer* layer) { layer->RunMicroBenchmark(this); });
70 } 70 }
71 71
72 void InvalidationBenchmark::RunOnLayer(PictureLayer* layer) { 72 void InvalidationBenchmark::RunOnLayer(PictureLayer* layer) {
73 gfx::Rect visible_layer_rect = gfx::Rect(layer->bounds()); 73 gfx::Rect visible_layer_rect = gfx::Rect(layer->bounds());
74 gfx::Transform from_screen; 74 gfx::Transform from_screen;
75 bool invertible = layer->screen_space_transform().GetInverse(&from_screen); 75 bool invertible = layer->ScreenSpaceTransform().GetInverse(&from_screen);
76 if (!invertible) 76 if (!invertible)
77 from_screen = gfx::Transform(); 77 from_screen = gfx::Transform();
78 gfx::Rect viewport_rect = MathUtil::ProjectEnclosingClippedRect( 78 gfx::Rect viewport_rect = MathUtil::ProjectEnclosingClippedRect(
79 from_screen, gfx::Rect(layer->layer_tree_host()->device_viewport_size())); 79 from_screen, gfx::Rect(layer->layer_tree_host()->device_viewport_size()));
80 visible_layer_rect.Intersect(viewport_rect); 80 visible_layer_rect.Intersect(viewport_rect);
81 switch (mode_) { 81 switch (mode_) {
82 case FIXED_SIZE: { 82 case FIXED_SIZE: {
83 // Invalidation with a random position and fixed size. 83 // Invalidation with a random position and fixed size.
84 int x = LCGRandom() * (visible_layer_rect.width() - width_); 84 int x = LCGRandom() * (visible_layer_rect.width() - width_);
85 int y = LCGRandom() * (visible_layer_rect.height() - height_); 85 int y = LCGRandom() * (visible_layer_rect.height() - height_);
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134 // high quality, but they need to be identical in each run. Therefore, we use a 134 // high quality, but they need to be identical in each run. Therefore, we use a
135 // LCG and keep the state locally in the benchmark. 135 // LCG and keep the state locally in the benchmark.
136 float InvalidationBenchmark::LCGRandom() { 136 float InvalidationBenchmark::LCGRandom() {
137 const uint32_t a = 1664525; 137 const uint32_t a = 1664525;
138 const uint32_t c = 1013904223; 138 const uint32_t c = 1013904223;
139 seed_ = a * seed_ + c; 139 seed_ = a * seed_ + c;
140 return static_cast<float>(seed_) / std::numeric_limits<uint32_t>::max(); 140 return static_cast<float>(seed_) / std::numeric_limits<uint32_t>::max();
141 } 141 }
142 142
143 } // namespace cc 143 } // namespace cc
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