1 /*
2 * Copyright (C) 2015 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 <DeviceInfo.h>
18 #include <log/log.h>
19 #include <utils/Errors.h>
20
21 #include "Properties.h"
22
23 namespace android {
24 namespace uirenderer {
25
get()26 DeviceInfo* DeviceInfo::get() {
27 static DeviceInfo sDeviceInfo;
28 return &sDeviceInfo;
29 }
30
DeviceInfo()31 DeviceInfo::DeviceInfo() {
32 #if HWUI_NULL_GPU
33 mMaxTextureSize = NULL_GPU_MAX_TEXTURE_SIZE;
34 #else
35 mMaxTextureSize = -1;
36 #endif
37 updateDisplayInfo();
38 }
~DeviceInfo()39 DeviceInfo::~DeviceInfo() {
40 ADisplay_release(mDisplays);
41 }
42
maxTextureSize() const43 int DeviceInfo::maxTextureSize() const {
44 LOG_ALWAYS_FATAL_IF(mMaxTextureSize < 0, "MaxTextureSize has not been initialized yet.");
45 return mMaxTextureSize;
46 }
47
setMaxTextureSize(int maxTextureSize)48 void DeviceInfo::setMaxTextureSize(int maxTextureSize) {
49 DeviceInfo::get()->mMaxTextureSize = maxTextureSize;
50 }
51
onRefreshRateChanged(int64_t vsyncPeriod)52 void DeviceInfo::onRefreshRateChanged(int64_t vsyncPeriod) {
53 mVsyncPeriod = vsyncPeriod;
54 }
55
updateDisplayInfo()56 void DeviceInfo::updateDisplayInfo() {
57 if (Properties::isolatedProcess) {
58 return;
59 }
60
61 if (mCurrentConfig == nullptr) {
62 mDisplaysSize = ADisplay_acquirePhysicalDisplays(&mDisplays);
63 LOG_ALWAYS_FATAL_IF(mDisplays == nullptr || mDisplaysSize <= 0,
64 "Failed to get physical displays: no connected display: %d!", mDisplaysSize);
65 for (size_t i = 0; i < mDisplaysSize; i++) {
66 ADisplayType type = ADisplay_getDisplayType(mDisplays[i]);
67 if (type == ADisplayType::DISPLAY_TYPE_INTERNAL) {
68 mPhysicalDisplayIndex = i;
69 break;
70 }
71 }
72 LOG_ALWAYS_FATAL_IF(mPhysicalDisplayIndex < 0, "Failed to find a connected physical display!");
73
74
75 // Since we now just got the primary display for the first time, then
76 // store the primary display metadata here.
77 ADisplay* primaryDisplay = mDisplays[mPhysicalDisplayIndex];
78 mMaxRefreshRate = ADisplay_getMaxSupportedFps(primaryDisplay);
79 ADataSpace dataspace;
80 AHardwareBuffer_Format format;
81 ADisplay_getPreferredWideColorFormat(primaryDisplay, &dataspace, &format);
82 switch (dataspace) {
83 case ADATASPACE_DISPLAY_P3:
84 mWideColorSpace =
85 SkColorSpace::MakeRGB(SkNamedTransferFn::kSRGB, SkNamedGamut::kDCIP3);
86 break;
87 case ADATASPACE_SCRGB:
88 mWideColorSpace = SkColorSpace::MakeSRGB();
89 break;
90 case ADATASPACE_SRGB:
91 // when sRGB is returned, it means wide color gamut is not supported.
92 mWideColorSpace = SkColorSpace::MakeSRGB();
93 break;
94 default:
95 LOG_ALWAYS_FATAL("Unreachable: unsupported wide color space.");
96 }
97 switch (format) {
98 case AHARDWAREBUFFER_FORMAT_R8G8B8A8_UNORM:
99 mWideColorType = SkColorType::kN32_SkColorType;
100 break;
101 case AHARDWAREBUFFER_FORMAT_R16G16B16A16_FLOAT:
102 mWideColorType = SkColorType::kRGBA_F16_SkColorType;
103 break;
104 default:
105 LOG_ALWAYS_FATAL("Unreachable: unsupported pixel format.");
106 }
107 }
108 // This method may have been called when the display config changed, so
109 // sync with the current configuration.
110 ADisplay* primaryDisplay = mDisplays[mPhysicalDisplayIndex];
111 status_t status = ADisplay_getCurrentConfig(primaryDisplay, &mCurrentConfig);
112 LOG_ALWAYS_FATAL_IF(status, "Failed to get display config, error %d", status);
113
114 mWidth = ADisplayConfig_getWidth(mCurrentConfig);
115 mHeight = ADisplayConfig_getHeight(mCurrentConfig);
116 mDensity = ADisplayConfig_getDensity(mCurrentConfig);
117 mVsyncPeriod = static_cast<int64_t>(1000000000 / ADisplayConfig_getFps(mCurrentConfig));
118 mCompositorOffset = ADisplayConfig_getCompositorOffsetNanos(mCurrentConfig);
119 mAppOffset = ADisplayConfig_getAppVsyncOffsetNanos(mCurrentConfig);
120 }
121
122 } /* namespace uirenderer */
123 } /* namespace android */
124