1 /*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #include <android/native_window.h>
18 #include <gtest/gtest.h>
19 #include <gui/SurfaceComposerClient.h>
20 #include "android-base/stringprintf.h"
21 #include "utils/Errors.h"
22
23 namespace android {
24
25 namespace {
runShellCommand(const std::string & cmd,std::string & result)26 status_t runShellCommand(const std::string& cmd, std::string& result) {
27 FILE* pipe = popen(cmd.c_str(), "r");
28 if (!pipe) {
29 return UNKNOWN_ERROR;
30 }
31
32 char buffer[1024];
33 while (fgets(buffer, sizeof(buffer), pipe) != NULL) {
34 result += buffer;
35 }
36
37 pclose(pipe);
38 return OK;
39 }
40 } // namespace
41
42 using android::hardware::graphics::common::V1_1::BufferUsage;
43
44 class WaitForCompletedCallback {
45 public:
46 WaitForCompletedCallback() = default;
47 ~WaitForCompletedCallback() = default;
48
transactionCompletedCallback(void * callbackContext,nsecs_t,const sp<Fence> &,const std::vector<SurfaceControlStats> &)49 static void transactionCompletedCallback(void* callbackContext, nsecs_t /* latchTime */,
50 const sp<Fence>& /* presentFence */,
51 const std::vector<SurfaceControlStats>& /* stats */) {
52 ASSERT_NE(callbackContext, nullptr) << "failed to get callback context";
53 WaitForCompletedCallback* context = static_cast<WaitForCompletedCallback*>(callbackContext);
54 context->notify();
55 }
56
wait()57 void wait() {
58 std::unique_lock lock(mMutex);
59 cv.wait(lock, [this] { return mCallbackReceived; });
60 }
61
notify()62 void notify() {
63 std::unique_lock lock(mMutex);
64 mCallbackReceived = true;
65 cv.notify_one();
66 }
67
68 private:
69 std::mutex mMutex;
70 std::condition_variable cv;
71 bool mCallbackReceived = false;
72 };
73
TEST(Dumpsys,listLayers)74 TEST(Dumpsys, listLayers) {
75 sp<SurfaceComposerClient> client = sp<SurfaceComposerClient>::make();
76 ASSERT_EQ(NO_ERROR, client->initCheck());
77 auto newLayer =
78 client->createSurface(String8("MY_TEST_LAYER"), 100, 100, PIXEL_FORMAT_RGBA_8888, 0);
79 std::string layersAsString;
80 EXPECT_EQ(OK, runShellCommand("dumpsys SurfaceFlinger --list", layersAsString));
81 EXPECT_NE(strstr(layersAsString.c_str(), ""), nullptr);
82 }
83
TEST(Dumpsys,stats)84 TEST(Dumpsys, stats) {
85 sp<SurfaceComposerClient> client = sp<SurfaceComposerClient>::make();
86 ASSERT_EQ(NO_ERROR, client->initCheck());
87 auto newLayer =
88 client->createSurface(String8("MY_TEST_LAYER"), 100, 100, PIXEL_FORMAT_RGBA_8888, 0);
89 uint64_t usageFlags = BufferUsage::CPU_READ_OFTEN | BufferUsage::CPU_WRITE_OFTEN |
90 BufferUsage::COMPOSER_OVERLAY | BufferUsage::GPU_TEXTURE;
91
92 sp<GraphicBuffer> buffer =
93 sp<GraphicBuffer>::make(1u, 1u, PIXEL_FORMAT_RGBA_8888, 1u, usageFlags, "test");
94
95 WaitForCompletedCallback callback;
96 SurfaceComposerClient::Transaction()
97 .setBuffer(newLayer, buffer)
98 .addTransactionCompletedCallback(WaitForCompletedCallback::transactionCompletedCallback,
99 &callback)
100 .apply();
101 callback.wait();
102 std::string stats;
103 std::string layerName = base::StringPrintf("MY_TEST_LAYER#%d", newLayer->getLayerId());
104 EXPECT_EQ(OK, runShellCommand("dumpsys SurfaceFlinger --latency " + layerName, stats));
105 EXPECT_NE(std::string(""), stats);
106 EXPECT_EQ(OK, runShellCommand("dumpsys SurfaceFlinger --latency-clear " + layerName, stats));
107 }
108
109 } // namespace android
110