1 /*
2 * Copyright (C) 2014 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 "tests/common/TestContext.h"
18
19 #include <cutils/trace.h>
20
21 namespace android {
22 namespace uirenderer {
23 namespace test {
24
25 static const int IDENT_DISPLAYEVENT = 1;
26
27 static android::DisplayInfo DUMMY_DISPLAY{
28 1080, // w
29 1920, // h
30 320.0, // xdpi
31 320.0, // ydpi
32 60.0, // fps
33 2.0, // density
34 0, // orientation
35 false, // secure?
36 0, // appVsyncOffset
37 0, // presentationDeadline
38 };
39
getBuiltInDisplay()40 DisplayInfo getBuiltInDisplay() {
41 #if !HWUI_NULL_GPU
42 DisplayInfo display;
43 sp<IBinder> dtoken(SurfaceComposerClient::getBuiltInDisplay(ISurfaceComposer::eDisplayIdMain));
44 status_t status = SurfaceComposerClient::getDisplayInfo(dtoken, &display);
45 LOG_ALWAYS_FATAL_IF(status, "Failed to get display info\n");
46 return display;
47 #else
48 return DUMMY_DISPLAY;
49 #endif
50 }
51
52 // Initialize to a dummy default
53 android::DisplayInfo gDisplay = DUMMY_DISPLAY;
54
TestContext()55 TestContext::TestContext() {
56 mLooper = new Looper(true);
57 mSurfaceComposerClient = new SurfaceComposerClient();
58 mLooper->addFd(mDisplayEventReceiver.getFd(), IDENT_DISPLAYEVENT, Looper::EVENT_INPUT, nullptr,
59 nullptr);
60 }
61
~TestContext()62 TestContext::~TestContext() {}
63
surface()64 sp<Surface> TestContext::surface() {
65 if (!mSurface.get()) {
66 createSurface();
67 }
68 return mSurface;
69 }
70
createSurface()71 void TestContext::createSurface() {
72 if (mRenderOffscreen) {
73 createOffscreenSurface();
74 } else {
75 createWindowSurface();
76 }
77 }
78
createWindowSurface()79 void TestContext::createWindowSurface() {
80 mSurfaceControl = mSurfaceComposerClient->createSurface(String8("HwuiTest"), gDisplay.w,
81 gDisplay.h, PIXEL_FORMAT_RGBX_8888);
82
83 SurfaceComposerClient::Transaction t;
84 t.setLayer(mSurfaceControl, 0x7FFFFFF).show(mSurfaceControl).apply();
85 mSurface = mSurfaceControl->getSurface();
86 }
87
createOffscreenSurface()88 void TestContext::createOffscreenSurface() {
89 sp<IGraphicBufferProducer> producer;
90 sp<IGraphicBufferConsumer> consumer;
91 BufferQueue::createBufferQueue(&producer, &consumer);
92 producer->setMaxDequeuedBufferCount(3);
93 producer->setAsyncMode(true);
94 mConsumer = new BufferItemConsumer(consumer, GRALLOC_USAGE_HW_COMPOSER, 4);
95 mConsumer->setDefaultBufferSize(gDisplay.w, gDisplay.h);
96 mSurface = new Surface(producer);
97 }
98
waitForVsync()99 void TestContext::waitForVsync() {
100 // Hacky fix for not getting sysprop change callbacks
101 // We just poll the sysprop in vsync since it's when the UI thread is
102 // "idle" and shouldn't burn too much time
103 atrace_update_tags();
104
105 if (mConsumer.get()) {
106 BufferItem buffer;
107 if (mConsumer->acquireBuffer(&buffer, 0, false) == OK) {
108 // We assume the producer is internally ordered enough such that
109 // it is unneccessary to set a release fence
110 mConsumer->releaseBuffer(buffer);
111 }
112 // We running free, go go go!
113 return;
114 }
115 #if !HWUI_NULL_GPU
116 // Request vsync
117 mDisplayEventReceiver.requestNextVsync();
118
119 // Wait
120 mLooper->pollOnce(-1);
121
122 // Drain it
123 DisplayEventReceiver::Event buf[100];
124 while (mDisplayEventReceiver.getEvents(buf, 100) > 0) {
125 }
126 #endif
127 }
128
129 } // namespace test
130 } // namespace uirenderer
131 } // namespace android
132