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1 /*
2  * Copyright (C) 2011 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/IMemory.h>
20 #include <gui/ISurfaceComposer.h>
21 #include <gui/Surface.h>
22 #include <gui/SurfaceComposerClient.h>
23 #include <utils/String8.h>
24 
25 #include <private/gui/ComposerService.h>
26 #include <binder/ProcessState.h>
27 
28 namespace android {
29 
30 class SurfaceTest : public ::testing::Test {
31 protected:
32 
SurfaceTest()33     SurfaceTest() {
34         ProcessState::self()->startThreadPool();
35     }
36 
SetUp()37     virtual void SetUp() {
38         mComposerClient = new SurfaceComposerClient;
39         ASSERT_EQ(NO_ERROR, mComposerClient->initCheck());
40 
41         mSurfaceControl = mComposerClient->createSurface(
42                 String8("Test Surface"), 32, 32, PIXEL_FORMAT_RGBA_8888, 0);
43 
44         ASSERT_TRUE(mSurfaceControl != NULL);
45         ASSERT_TRUE(mSurfaceControl->isValid());
46 
47         SurfaceComposerClient::openGlobalTransaction();
48         ASSERT_EQ(NO_ERROR, mSurfaceControl->setLayer(0x7fffffff));
49         ASSERT_EQ(NO_ERROR, mSurfaceControl->show());
50         SurfaceComposerClient::closeGlobalTransaction();
51 
52         mSurface = mSurfaceControl->getSurface();
53         ASSERT_TRUE(mSurface != NULL);
54     }
55 
TearDown()56     virtual void TearDown() {
57         mComposerClient->dispose();
58     }
59 
60     sp<Surface> mSurface;
61     sp<SurfaceComposerClient> mComposerClient;
62     sp<SurfaceControl> mSurfaceControl;
63 };
64 
TEST_F(SurfaceTest,QueuesToWindowComposerIsTrueWhenVisible)65 TEST_F(SurfaceTest, QueuesToWindowComposerIsTrueWhenVisible) {
66     sp<ANativeWindow> anw(mSurface);
67     int result = -123;
68     int err = anw->query(anw.get(), NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER,
69             &result);
70     EXPECT_EQ(NO_ERROR, err);
71     EXPECT_EQ(1, result);
72 }
73 
TEST_F(SurfaceTest,QueuesToWindowComposerIsTrueWhenPurgatorized)74 TEST_F(SurfaceTest, QueuesToWindowComposerIsTrueWhenPurgatorized) {
75     mSurfaceControl.clear();
76 
77     sp<ANativeWindow> anw(mSurface);
78     int result = -123;
79     int err = anw->query(anw.get(), NATIVE_WINDOW_QUEUES_TO_WINDOW_COMPOSER,
80             &result);
81     EXPECT_EQ(NO_ERROR, err);
82     EXPECT_EQ(1, result);
83 }
84 
85 // This test probably doesn't belong here.
TEST_F(SurfaceTest,ScreenshotsOfProtectedBuffersSucceed)86 TEST_F(SurfaceTest, ScreenshotsOfProtectedBuffersSucceed) {
87     sp<ANativeWindow> anw(mSurface);
88 
89     // Verify the screenshot works with no protected buffers.
90     sp<CpuConsumer> consumer = new CpuConsumer(1);
91     sp<ISurfaceComposer> sf(ComposerService::getComposerService());
92     sp<IBinder> display(sf->getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
93     ASSERT_EQ(NO_ERROR, sf->captureScreen(display, consumer->getBufferQueue(),
94             64, 64, 0, 0x7fffffff, true));
95 
96     // Set the PROTECTED usage bit and verify that the screenshot fails.  Note
97     // that we need to dequeue a buffer in order for it to actually get
98     // allocated in SurfaceFlinger.
99     ASSERT_EQ(NO_ERROR, native_window_set_usage(anw.get(),
100             GRALLOC_USAGE_PROTECTED));
101     ASSERT_EQ(NO_ERROR, native_window_set_buffer_count(anw.get(), 3));
102     ANativeWindowBuffer* buf = 0;
103 
104     status_t err = native_window_dequeue_buffer_and_wait(anw.get(), &buf);
105     if (err) {
106         // we could fail if GRALLOC_USAGE_PROTECTED is not supported.
107         // that's okay as long as this is the reason for the failure.
108         // try again without the GRALLOC_USAGE_PROTECTED bit.
109         ASSERT_EQ(NO_ERROR, native_window_set_usage(anw.get(), 0));
110         ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(anw.get(),
111                 &buf));
112         return;
113     }
114     ASSERT_EQ(NO_ERROR, anw->cancelBuffer(anw.get(), buf, -1));
115 
116     for (int i = 0; i < 4; i++) {
117         // Loop to make sure SurfaceFlinger has retired a protected buffer.
118         ASSERT_EQ(NO_ERROR, native_window_dequeue_buffer_and_wait(anw.get(),
119                 &buf));
120         ASSERT_EQ(NO_ERROR, anw->queueBuffer(anw.get(), buf, -1));
121     }
122     ASSERT_EQ(NO_ERROR, sf->captureScreen(display, consumer->getBufferQueue(),
123             64, 64, 0, 0x7fffffff, true));
124 }
125 
TEST_F(SurfaceTest,ConcreteTypeIsSurface)126 TEST_F(SurfaceTest, ConcreteTypeIsSurface) {
127     sp<ANativeWindow> anw(mSurface);
128     int result = -123;
129     int err = anw->query(anw.get(), NATIVE_WINDOW_CONCRETE_TYPE, &result);
130     EXPECT_EQ(NO_ERROR, err);
131     EXPECT_EQ(NATIVE_WINDOW_SURFACE, result);
132 }
133 
134 }
135