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Side by Side Diff: components/viz/frame_sinks/frame_eviction_manager.cc

Issue 2873243002: Move components/display_compositor to components/viz/display_compositor (Closed)
Patch Set: Rebase Created 3 years, 7 months ago
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1 // Copyright 2017 The Chromium Authors. All rights reserved. 1 // Copyright 2017 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 "components/viz/frame_sinks/frame_eviction_manager.h" 5 #include "components/viz/frame_sinks/frame_eviction_manager.h"
6 6
7 #include <algorithm> 7 #include <algorithm>
8 8
9 #include "base/bind.h" 9 #include "base/bind.h"
10 #include "base/logging.h" 10 #include "base/logging.h"
11 #include "base/memory/memory_coordinator_client_registry.h" 11 #include "base/memory/memory_coordinator_client_registry.h"
12 #include "base/memory/memory_coordinator_proxy.h" 12 #include "base/memory/memory_coordinator_proxy.h"
13 #include "base/memory/memory_pressure_listener.h" 13 #include "base/memory/memory_pressure_listener.h"
14 #include "base/memory/memory_pressure_monitor.h" 14 #include "base/memory/memory_pressure_monitor.h"
15 #include "base/memory/shared_memory.h" 15 #include "base/memory/shared_memory.h"
16 #include "base/sys_info.h" 16 #include "base/sys_info.h"
17 #include "build/build_config.h" 17 #include "build/build_config.h"
18 #include "components/display_compositor/host_shared_bitmap_manager.h" 18 #include "components/viz/display_compositor/host_shared_bitmap_manager.h"
19 19
20 namespace viz { 20 namespace viz {
21 namespace { 21 namespace {
22 22
23 const int kModeratePressurePercentage = 50; 23 const int kModeratePressurePercentage = 50;
24 const int kCriticalPressurePercentage = 10; 24 const int kCriticalPressurePercentage = 10;
25 25
26 } // namespace 26 } // namespace
27 27
28 FrameEvictionManager* FrameEvictionManager::GetInstance() { 28 FrameEvictionManager* FrameEvictionManager::GetInstance() {
(...skipping 98 matching lines...) Expand 10 before | Expand all | Expand 10 after
127 std::min(5, 2 + (base::SysInfo::AmountOfPhysicalMemoryMB() / 256)); 127 std::min(5, 2 + (base::SysInfo::AmountOfPhysicalMemoryMB() / 256));
128 #endif 128 #endif
129 max_handles_ = base::SharedMemory::GetHandleLimit() / 8.0f; 129 max_handles_ = base::SharedMemory::GetHandleLimit() / 8.0f;
130 } 130 }
131 131
132 FrameEvictionManager::~FrameEvictionManager() {} 132 FrameEvictionManager::~FrameEvictionManager() {}
133 133
134 void FrameEvictionManager::CullUnlockedFrames(size_t saved_frame_limit) { 134 void FrameEvictionManager::CullUnlockedFrames(size_t saved_frame_limit) {
135 if (unlocked_frames_.size() + locked_frames_.size() > 0) { 135 if (unlocked_frames_.size() + locked_frames_.size() > 0) {
136 float handles_per_frame = 136 float handles_per_frame =
137 display_compositor::HostSharedBitmapManager::current() 137 HostSharedBitmapManager::current()->AllocatedBitmapCount() * 1.0f /
138 ->AllocatedBitmapCount() * 138 (unlocked_frames_.size() + locked_frames_.size());
139 1.0f / (unlocked_frames_.size() + locked_frames_.size());
140 139
141 saved_frame_limit = std::max( 140 saved_frame_limit = std::max(
142 1, static_cast<int>(std::min(static_cast<float>(saved_frame_limit), 141 1, static_cast<int>(std::min(static_cast<float>(saved_frame_limit),
143 max_handles_ / handles_per_frame))); 142 max_handles_ / handles_per_frame)));
144 } 143 }
145 while (!unlocked_frames_.empty() && 144 while (!unlocked_frames_.empty() &&
146 unlocked_frames_.size() + locked_frames_.size() > saved_frame_limit) { 145 unlocked_frames_.size() + locked_frames_.size() > saved_frame_limit) {
147 size_t old_size = unlocked_frames_.size(); 146 size_t old_size = unlocked_frames_.size();
148 // Should remove self from list. 147 // Should remove self from list.
149 unlocked_frames_.back()->EvictCurrentFrame(); 148 unlocked_frames_.back()->EvictCurrentFrame();
(...skipping 21 matching lines...) Expand all
171 } 170 }
172 171
173 void FrameEvictionManager::PurgeMemory(int percentage) { 172 void FrameEvictionManager::PurgeMemory(int percentage) {
174 int saved_frame_limit = max_number_of_saved_frames_; 173 int saved_frame_limit = max_number_of_saved_frames_;
175 if (saved_frame_limit <= 1) 174 if (saved_frame_limit <= 1)
176 return; 175 return;
177 CullUnlockedFrames(std::max(1, (saved_frame_limit * percentage) / 100)); 176 CullUnlockedFrames(std::max(1, (saved_frame_limit * percentage) / 100));
178 } 177 }
179 178
180 } // namespace viz 179 } // namespace viz
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