1 /*
2 * Copyright 2018 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 <gtest/gtest.h>
18
19 #include <binder/ProcessState.h>
20 #include <gui/ISurfaceComposer.h>
21 #include <gui/Surface.h>
22 #include <gui/SurfaceComposerClient.h>
23 #include <inttypes.h>
24
25 namespace android {
26
27 using Transaction = SurfaceComposerClient::Transaction;
28
29 static constexpr uint32_t INVALID_MASK = 0x10;
30 class DisplayedContentSamplingTest : public ::testing::Test {
31 protected:
SetUp()32 void SetUp() {
33 mComposerClient = new SurfaceComposerClient;
34 ASSERT_EQ(OK, mComposerClient->initCheck());
35 const auto ids = SurfaceComposerClient::getPhysicalDisplayIds();
36 ASSERT_FALSE(ids.empty());
37 // display 0 is picked for now, can extend to support all displays if needed
38 mDisplayToken = SurfaceComposerClient::getPhysicalDisplayToken(ids.front());
39 ASSERT_TRUE(mDisplayToken);
40 }
41
shouldSkipTest()42 bool shouldSkipTest() {
43 ui::PixelFormat format;
44 ui::Dataspace dataspace;
45 status_t status =
46 mComposerClient->getDisplayedContentSamplingAttributes(mDisplayToken, &format,
47 &dataspace, &componentMask);
48 if (status == PERMISSION_DENIED) {
49 SUCCEED() << "permissions denial, skipping test";
50 return true;
51 }
52 if (status == INVALID_OPERATION) {
53 SUCCEED() << "optional function not supported, skipping test";
54 return true;
55 }
56 return false;
57 }
58
59 sp<SurfaceComposerClient> mComposerClient;
60 sp<IBinder> mDisplayToken;
61 uint8_t componentMask = 0;
62 };
63
TEST_F(DisplayedContentSamplingTest,GetDisplayedContentSamplingAttributesAreSane)64 TEST_F(DisplayedContentSamplingTest, GetDisplayedContentSamplingAttributesAreSane) {
65 // tradefed infrastructure does not support use of GTEST_SKIP
66 if (shouldSkipTest()) return;
67
68 ui::PixelFormat format;
69 ui::Dataspace dataspace;
70 status_t status =
71 mComposerClient->getDisplayedContentSamplingAttributes(mDisplayToken, &format,
72 &dataspace, &componentMask);
73 EXPECT_EQ(OK, status);
74 EXPECT_LE(componentMask, INVALID_MASK);
75 }
76
TEST_F(DisplayedContentSamplingTest,EnableWithInvalidMaskReturnsBadValue)77 TEST_F(DisplayedContentSamplingTest, EnableWithInvalidMaskReturnsBadValue) {
78 if (shouldSkipTest()) return;
79
80 status_t status =
81 mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, true, INVALID_MASK, 0);
82 EXPECT_EQ(BAD_VALUE, status);
83 }
84
TEST_F(DisplayedContentSamplingTest,EnableAndDisableSucceed)85 TEST_F(DisplayedContentSamplingTest, EnableAndDisableSucceed) {
86 if (shouldSkipTest()) return;
87
88 status_t status = mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, true,
89 componentMask, 10);
90 EXPECT_EQ(OK, status);
91
92 status = mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, false, componentMask,
93 0);
94 EXPECT_EQ(OK, status);
95 }
96
TEST_F(DisplayedContentSamplingTest,SelectivelyDisableComponentOk)97 TEST_F(DisplayedContentSamplingTest, SelectivelyDisableComponentOk) {
98 if (shouldSkipTest()) return;
99
100 status_t status = mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, true,
101 componentMask, 0);
102 EXPECT_EQ(OK, status);
103
104 // Clear the lowest bit.
105 componentMask &= (componentMask - 1);
106 status = mComposerClient->setDisplayContentSamplingEnabled(mDisplayToken, false, componentMask,
107 0);
108 EXPECT_EQ(OK, status);
109 }
110
TEST_F(DisplayedContentSamplingTest,SampleCollectionCoherentWithSupportMask)111 TEST_F(DisplayedContentSamplingTest, SampleCollectionCoherentWithSupportMask) {
112 if (shouldSkipTest()) return;
113
114 DisplayedFrameStats stats;
115 status_t status = mComposerClient->getDisplayedContentSample(mDisplayToken, 0, 0, &stats);
116 EXPECT_EQ(OK, status);
117 if (stats.numFrames <= 0) return;
118
119 if (componentMask & (0x1 << 0)) EXPECT_NE(0u, stats.component_0_sample.size());
120 if (componentMask & (0x1 << 1)) EXPECT_NE(0u, stats.component_1_sample.size());
121 if (componentMask & (0x1 << 2)) EXPECT_NE(0u, stats.component_2_sample.size());
122 if (componentMask & (0x1 << 3)) EXPECT_NE(0u, stats.component_3_sample.size());
123 }
124
125 } // namespace android
126