File: GpuMemoryTracker.h

package info (click to toggle)
android-platform-frameworks-base 1%3A10.0.0%2Br36-3
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 321,788 kB
  • sloc: java: 962,234; cpp: 274,314; xml: 242,770; python: 5,060; sh: 1,432; ansic: 494; makefile: 47; sed: 19
file content (77 lines) | stat: -rw-r--r-- 2,207 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
/*
 * Copyright (C) 2016 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
#pragma once

#include <pthread.h>
#include <ostream>

#include <log/log.h>

namespace android {
namespace uirenderer {

extern pthread_t gGpuThread;

#define ASSERT_GPU_THREAD()                                                                    \
    LOG_ALWAYS_FATAL_IF(!pthread_equal(gGpuThread, pthread_self()),                            \
                        "Error, %p of type %d (size=%d) used on wrong thread! cur thread %lu " \
                        "!= gpu thread %lu",                                                   \
                        this, static_cast<int>(mType), mSize, pthread_self(), gGpuThread)

enum class GpuObjectType {
    Texture = 0,
    OffscreenBuffer,
    Layer,

    TypeCount,
};

class GpuMemoryTracker {
public:
    GpuObjectType objectType() { return mType; }
    int objectSize() { return mSize; }

    static void onGpuContextCreated();
    static void onGpuContextDestroyed();
    static void dump();
    static void dump(std::ostream& stream);
    static int getInstanceCount(GpuObjectType type);
    static int getTotalSize(GpuObjectType type);
    static void onFrameCompleted();

protected:
    explicit GpuMemoryTracker(GpuObjectType type) : mType(type) {
        ASSERT_GPU_THREAD();
        startTrackingObject();
    }

    ~GpuMemoryTracker() {
        notifySizeChanged(0);
        stopTrackingObject();
    }

    void notifySizeChanged(int newSize);

private:
    void startTrackingObject();
    void stopTrackingObject();

    int mSize = 0;
    GpuObjectType mType;
};

}  // namespace uirenderer
}  // namespace android;