1 /**
2 * Copyright (C) 2022 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 #define LOG_TAG "OverlayProperties"
18 // #define LOG_NDEBUG 0
19
20 #include <android/gui/OverlayProperties.h>
21 #include <binder/Parcel.h>
22 #include <gui/SurfaceComposerClient.h>
23 #include <nativehelper/JNIHelp.h>
24
25 #include "android_os_Parcel.h"
26 #include "core_jni_helpers.h"
27 #include "jni.h"
28
29 using namespace android;
30
31 // ----------------------------------------------------------------------------
32 // Types
33 // ----------------------------------------------------------------------------
34 static struct {
35 jclass clazz;
36 jmethodID ctor;
37 } gOverlayPropertiesClassInfo;
38
39 // ----------------------------------------------------------------------------
40 // OverlayProperties lifecycle
41 // ----------------------------------------------------------------------------
42
destroyOverlayProperties(gui::OverlayProperties * overlayProperties)43 static void destroyOverlayProperties(gui::OverlayProperties* overlayProperties) {
44 delete overlayProperties;
45 }
46
android_hardware_OverlayProperties_getDestructor(JNIEnv *,jclass)47 static jlong android_hardware_OverlayProperties_getDestructor(JNIEnv*, jclass) {
48 return static_cast<jlong>(reinterpret_cast<uintptr_t>(&destroyOverlayProperties));
49 }
50
51 //----------------------------------------------------------------------------
52 // Accessors
53 // ----------------------------------------------------------------------------
54
android_hardware_OverlayProperties_supportFp16ForHdr(JNIEnv * env,jobject thiz,jlong nativeObject)55 static jboolean android_hardware_OverlayProperties_supportFp16ForHdr(JNIEnv* env, jobject thiz,
56 jlong nativeObject) {
57 gui::OverlayProperties* properties = reinterpret_cast<gui::OverlayProperties*>(nativeObject);
58 if (properties != nullptr) {
59 for (const auto& i : properties->combinations) {
60 if (std::find(i.pixelFormats.begin(), i.pixelFormats.end(),
61 static_cast<int32_t>(HAL_PIXEL_FORMAT_RGBA_FP16)) !=
62 i.pixelFormats.end() &&
63 std::find(i.standards.begin(), i.standards.end(),
64 static_cast<int32_t>(HAL_DATASPACE_STANDARD_BT2020)) !=
65 i.standards.end() &&
66 std::find(i.transfers.begin(), i.transfers.end(),
67 static_cast<int32_t>(HAL_DATASPACE_TRANSFER_ST2084)) !=
68 i.transfers.end() &&
69 std::find(i.ranges.begin(), i.ranges.end(),
70 static_cast<int32_t>(HAL_DATASPACE_RANGE_FULL)) != i.ranges.end()) {
71 return true;
72 }
73 }
74 }
75 return false;
76 }
77
android_hardware_OverlayProperties_supportMixedColorSpaces(JNIEnv * env,jobject thiz,jlong nativeObject)78 static jboolean android_hardware_OverlayProperties_supportMixedColorSpaces(JNIEnv* env,
79 jobject thiz,
80 jlong nativeObject) {
81 gui::OverlayProperties* properties = reinterpret_cast<gui::OverlayProperties*>(nativeObject);
82 if (properties != nullptr && properties->supportMixedColorSpaces) {
83 return true;
84 }
85 return false;
86 }
87
88 // ----------------------------------------------------------------------------
89 // Serialization
90 // ----------------------------------------------------------------------------
91
android_hardware_OverlayProperties_write(JNIEnv * env,jclass,jlong nativeObject,jobject dest)92 static void android_hardware_OverlayProperties_write(JNIEnv* env, jclass, jlong nativeObject,
93 jobject dest) {
94 Parcel* parcel = parcelForJavaObject(env, dest);
95 if (parcel == nullptr) {
96 jniThrowNullPointerException(env, nullptr);
97 return;
98 }
99 gui::OverlayProperties* overlayProperties =
100 reinterpret_cast<gui::OverlayProperties*>(nativeObject);
101 if (overlayProperties != nullptr) {
102 overlayProperties->writeToParcel(parcel);
103 }
104 }
105
android_hardware_OverlayProperties_read(JNIEnv * env,jclass,jobject in)106 static long android_hardware_OverlayProperties_read(JNIEnv* env, jclass, jobject in) {
107 Parcel* parcel = parcelForJavaObject(env, in);
108 if (parcel == nullptr) {
109 jniThrowNullPointerException(env, nullptr);
110 return 0;
111 }
112 gui::OverlayProperties* overlayProperties = new gui::OverlayProperties;
113 if (overlayProperties->readFromParcel(parcel) != NO_ERROR) {
114 delete overlayProperties;
115 return 0;
116 }
117 return reinterpret_cast<jlong>(overlayProperties);
118 }
119
120 // ----------------------------------------------------------------------------
121 // Public functions
122 // ----------------------------------------------------------------------------
123
124 namespace android {
125
android_hardware_OverlayProperties_convertToJavaObject(JNIEnv * env,gui::OverlayProperties * overlayProperties)126 jobject android_hardware_OverlayProperties_convertToJavaObject(
127 JNIEnv* env, gui::OverlayProperties* overlayProperties) {
128 jobject overlayPropertiesObj =
129 env->NewObject(gOverlayPropertiesClassInfo.clazz, gOverlayPropertiesClassInfo.ctor,
130 reinterpret_cast<jlong>(overlayProperties));
131 return overlayPropertiesObj;
132 }
133
134 }; // namespace android
135
136 // ----------------------------------------------------------------------------
137 // JNI Glue
138 // ----------------------------------------------------------------------------
139
140 const char* const kClassPathName = "android/hardware/OverlayProperties";
141
142 // clang-format off
143 static const JNINativeMethod gMethods[] = {
144 { "nGetDestructor", "()J", (void*) android_hardware_OverlayProperties_getDestructor },
145 { "nSupportFp16ForHdr", "(J)Z",
146 (void*) android_hardware_OverlayProperties_supportFp16ForHdr },
147 { "nSupportMixedColorSpaces", "(J)Z",
148 (void*) android_hardware_OverlayProperties_supportMixedColorSpaces },
149 { "nWriteOverlayPropertiesToParcel", "(JLandroid/os/Parcel;)V",
150 (void*) android_hardware_OverlayProperties_write },
151 { "nReadOverlayPropertiesFromParcel", "(Landroid/os/Parcel;)J",
152 (void*) android_hardware_OverlayProperties_read },
153 };
154 // clang-format on
155
register_android_hardware_OverlayProperties(JNIEnv * env)156 int register_android_hardware_OverlayProperties(JNIEnv* env) {
157 int err = RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods));
158
159 jclass clazz = FindClassOrDie(env, "android/hardware/OverlayProperties");
160 gOverlayPropertiesClassInfo.clazz = MakeGlobalRefOrDie(env, clazz);
161 gOverlayPropertiesClassInfo.ctor =
162 GetMethodIDOrDie(env, gOverlayPropertiesClassInfo.clazz, "<init>", "(J)V");
163
164 return err;
165 }
166