Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 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 "HardwareBuffer" |
| 18 | |
| 19 | #include "jni.h" |
Steven Moreland | 60cc6c0 | 2017-08-25 15:49:25 -0700 | [diff] [blame] | 20 | #include <nativehelper/JNIHelp.h> |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 21 | |
| 22 | #include "android_os_Parcel.h" |
| 23 | #include "android/graphics/GraphicsJNI.h" |
Peiyong Lin | 9d42740 | 2019-01-23 18:39:06 -0800 | [diff] [blame] | 24 | #include "android/graphics/GraphicBuffer.h" |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 25 | |
| 26 | #include <android/hardware_buffer.h> |
| 27 | #include <android_runtime/android_hardware_HardwareBuffer.h> |
| 28 | #include <android_runtime/AndroidRuntime.h> |
| 29 | #include <android_runtime/Log.h> |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 30 | #include <private/android/AHardwareBufferHelpers.h> |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 31 | |
| 32 | #include <binder/Parcel.h> |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 33 | |
| 34 | #include <ui/GraphicBuffer.h> |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 35 | #include <private/gui/ComposerService.h> |
| 36 | |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 37 | #include <hardware/gralloc1.h> |
Chris Forbes | f2c44a3 | 2017-04-20 11:58:45 -0700 | [diff] [blame] | 38 | #include <grallocusage/GrallocUsageConversion.h> |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 39 | |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 40 | #include "core_jni_helpers.h" |
| 41 | |
| 42 | using namespace android; |
| 43 | |
| 44 | // ---------------------------------------------------------------------------- |
| 45 | // Defines |
| 46 | // ---------------------------------------------------------------------------- |
| 47 | |
| 48 | // Debug |
Craig Donner | 3027095 | 2017-02-16 18:12:16 -0800 | [diff] [blame] | 49 | static constexpr bool kDebugGraphicBuffer = false; |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 50 | |
| 51 | // ---------------------------------------------------------------------------- |
| 52 | // Types |
| 53 | // ---------------------------------------------------------------------------- |
| 54 | |
| 55 | static struct { |
| 56 | jclass clazz; |
| 57 | jfieldID mNativeObject; |
| 58 | jmethodID ctor; |
| 59 | } gHardwareBufferClassInfo; |
| 60 | |
| 61 | class GraphicBufferWrapper { |
| 62 | public: |
| 63 | explicit GraphicBufferWrapper(const sp<GraphicBuffer>& buffer) |
| 64 | : buffer(buffer) {} |
| 65 | |
| 66 | sp<GraphicBuffer> buffer; |
| 67 | }; |
| 68 | |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 69 | // ---------------------------------------------------------------------------- |
| 70 | // HardwareBuffer lifecycle |
| 71 | // ---------------------------------------------------------------------------- |
| 72 | |
| 73 | static jlong android_hardware_HardwareBuffer_create(JNIEnv* env, jobject clazz, |
| 74 | jint width, jint height, jint format, jint layers, jlong usage) { |
| 75 | |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 76 | // TODO: update createGraphicBuffer to take two 64-bit values. |
| 77 | int pixelFormat = android_hardware_HardwareBuffer_convertToPixelFormat(format); |
| 78 | if (pixelFormat == 0) { |
| 79 | if (kDebugGraphicBuffer) { |
| 80 | ALOGW("createGraphicBufferAlloc() invalid pixel format in HardwareBuffer.create()"); |
| 81 | } |
| 82 | return NULL; |
| 83 | } |
Mathias Agopian | 2bd7d98 | 2017-02-27 19:34:45 -0800 | [diff] [blame] | 84 | |
Mathias Agopian | 910ab13 | 2017-04-20 16:36:15 -0700 | [diff] [blame] | 85 | uint64_t grallocUsage = AHardwareBuffer_convertToGrallocUsageBits(usage); |
Mathias Agopian | 2bd7d98 | 2017-02-27 19:34:45 -0800 | [diff] [blame] | 86 | sp<GraphicBuffer> buffer = new GraphicBuffer(width, height, pixelFormat, layers, |
Mathias Agopian | 910ab13 | 2017-04-20 16:36:15 -0700 | [diff] [blame] | 87 | grallocUsage, std::string("HardwareBuffer pid [") + std::to_string(getpid()) +"]"); |
Mathias Agopian | 2bd7d98 | 2017-02-27 19:34:45 -0800 | [diff] [blame] | 88 | status_t error = buffer->initCheck(); |
| 89 | if (error < 0) { |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 90 | if (kDebugGraphicBuffer) { |
| 91 | ALOGW("createGraphicBuffer() failed in HardwareBuffer.create()"); |
| 92 | } |
| 93 | return NULL; |
| 94 | } |
| 95 | |
| 96 | GraphicBufferWrapper* wrapper = new GraphicBufferWrapper(buffer); |
| 97 | return reinterpret_cast<jlong>(wrapper); |
| 98 | } |
| 99 | |
Peiyong Lin | 9d42740 | 2019-01-23 18:39:06 -0800 | [diff] [blame] | 100 | static jlong android_hardware_HardwareBuffer_createFromGraphicBuffer(JNIEnv* env, jobject clazz, jobject graphicBuffer) { |
| 101 | sp<GraphicBuffer> buffer(graphicBufferForJavaObject(env, graphicBuffer)); |
| 102 | GraphicBufferWrapper* wrapper = new GraphicBufferWrapper(buffer); |
| 103 | return reinterpret_cast<jlong>(wrapper); |
| 104 | } |
| 105 | |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 106 | static void destroyWrapper(GraphicBufferWrapper* wrapper) { |
| 107 | delete wrapper; |
| 108 | } |
| 109 | |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 110 | static jlong android_hardware_HardwareBuffer_getNativeFinalizer(JNIEnv* env, jobject clazz) { |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 111 | return static_cast<jlong>(reinterpret_cast<uintptr_t>(&destroyWrapper)); |
| 112 | } |
| 113 | |
John Reck | 4d312b2 | 2019-01-25 15:20:24 -0800 | [diff] [blame] | 114 | static jboolean android_hardware_HardwareBuffer_isSupported(JNIEnv* env, jobject clazz, |
| 115 | jint width, jint height, jint format, jint layers, jlong usage) { |
| 116 | |
| 117 | AHardwareBuffer_Desc desc; |
| 118 | desc.width = width; |
| 119 | desc.height = height; |
| 120 | desc.format = format; |
| 121 | desc.layers = layers; |
| 122 | desc.usage = usage; |
| 123 | desc.stride = 0; |
| 124 | desc.rfu0 = 0; |
| 125 | desc.rfu1 = 0; |
| 126 | return AHardwareBuffer_isSupported(&desc); |
| 127 | } |
| 128 | |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 129 | //---------------------------------------------------------------------------- |
| 130 | // Accessors |
| 131 | // ---------------------------------------------------------------------------- |
| 132 | |
| 133 | static inline GraphicBuffer* GraphicBufferWrapper_to_GraphicBuffer( |
| 134 | jlong nativeObject) { |
| 135 | return reinterpret_cast<GraphicBufferWrapper*>(nativeObject)->buffer.get(); |
| 136 | } |
| 137 | |
| 138 | static jint android_hardware_HardwareBuffer_getWidth(JNIEnv* env, jobject clazz, |
| 139 | jlong nativeObject) { |
| 140 | GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer(nativeObject); |
| 141 | return static_cast<jint>(buffer->getWidth()); |
| 142 | } |
| 143 | |
| 144 | static jint android_hardware_HardwareBuffer_getHeight(JNIEnv* env, |
| 145 | jobject clazz, jlong nativeObject) { |
| 146 | GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer(nativeObject); |
| 147 | return static_cast<jint>(buffer->getHeight()); |
| 148 | } |
| 149 | |
| 150 | static jint android_hardware_HardwareBuffer_getFormat(JNIEnv* env, |
| 151 | jobject clazz, jlong nativeObject) { |
| 152 | GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer(nativeObject); |
| 153 | return static_cast<jint>(android_hardware_HardwareBuffer_convertFromPixelFormat( |
| 154 | buffer->getPixelFormat())); |
| 155 | } |
| 156 | |
| 157 | static jint android_hardware_HardwareBuffer_getLayers(JNIEnv* env, |
| 158 | jobject clazz, jlong nativeObject) { |
| 159 | GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer(nativeObject); |
| 160 | return static_cast<jint>(buffer->getLayerCount()); |
| 161 | } |
| 162 | |
| 163 | static jlong android_hardware_HardwareBuffer_getUsage(JNIEnv* env, |
| 164 | jobject clazz, jlong nativeObject) { |
| 165 | GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer(nativeObject); |
Mathias Agopian | 910ab13 | 2017-04-20 16:36:15 -0700 | [diff] [blame] | 166 | return AHardwareBuffer_convertFromGrallocUsageBits(buffer->getUsage()); |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 167 | } |
| 168 | |
| 169 | // ---------------------------------------------------------------------------- |
| 170 | // Serialization |
| 171 | // ---------------------------------------------------------------------------- |
| 172 | |
| 173 | static void android_hardware_HardwareBuffer_write(JNIEnv* env, jobject clazz, |
| 174 | jlong nativeObject, jobject dest) { |
| 175 | GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer(nativeObject); |
| 176 | Parcel* parcel = parcelForJavaObject(env, dest); |
| 177 | if (parcel) { |
| 178 | parcel->write(*buffer); |
| 179 | } |
| 180 | } |
| 181 | |
| 182 | static jlong android_hardware_HardwareBuffer_read(JNIEnv* env, jobject clazz, |
| 183 | jobject in) { |
| 184 | Parcel* parcel = parcelForJavaObject(env, in); |
| 185 | if (parcel) { |
| 186 | sp<GraphicBuffer> buffer = new GraphicBuffer(); |
| 187 | parcel->read(*buffer); |
| 188 | return reinterpret_cast<jlong>(new GraphicBufferWrapper(buffer)); |
| 189 | } |
| 190 | |
| 191 | return NULL; |
| 192 | } |
| 193 | |
| 194 | // ---------------------------------------------------------------------------- |
| 195 | // Public functions |
| 196 | // ---------------------------------------------------------------------------- |
| 197 | |
| 198 | namespace android { |
| 199 | |
| 200 | AHardwareBuffer* android_hardware_HardwareBuffer_getNativeHardwareBuffer( |
| 201 | JNIEnv* env, jobject hardwareBufferObj) { |
| 202 | if (env->IsInstanceOf(hardwareBufferObj, gHardwareBufferClassInfo.clazz)) { |
| 203 | GraphicBuffer* buffer = GraphicBufferWrapper_to_GraphicBuffer( |
| 204 | env->GetLongField(hardwareBufferObj, gHardwareBufferClassInfo.mNativeObject)); |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 205 | return AHardwareBuffer_from_GraphicBuffer(buffer); |
| 206 | |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 207 | } else { |
| 208 | return nullptr; |
| 209 | } |
| 210 | } |
| 211 | |
| 212 | jobject android_hardware_HardwareBuffer_createFromAHardwareBuffer( |
| 213 | JNIEnv* env, AHardwareBuffer* hardwareBuffer) { |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 214 | GraphicBuffer* buffer = AHardwareBuffer_to_GraphicBuffer(hardwareBuffer); |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 215 | GraphicBufferWrapper* wrapper = new GraphicBufferWrapper(buffer); |
| 216 | jobject hardwareBufferObj = env->NewObject(gHardwareBufferClassInfo.clazz, |
| 217 | gHardwareBufferClassInfo.ctor, reinterpret_cast<jlong>(wrapper)); |
| 218 | if (hardwareBufferObj == NULL) { |
| 219 | delete wrapper; |
| 220 | if (env->ExceptionCheck()) { |
| 221 | ALOGE("Could not create instance of HardwareBuffer from AHardwareBuffer."); |
| 222 | LOGE_EX(env); |
| 223 | env->ExceptionClear(); |
| 224 | } |
| 225 | return nullptr; |
| 226 | } |
| 227 | return hardwareBufferObj; |
| 228 | } |
| 229 | |
| 230 | uint32_t android_hardware_HardwareBuffer_convertFromPixelFormat(uint32_t format) { |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 231 | return AHardwareBuffer_convertFromPixelFormat(format); |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | uint32_t android_hardware_HardwareBuffer_convertToPixelFormat(uint32_t format) { |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 235 | return AHardwareBuffer_convertToPixelFormat(format); |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 236 | } |
| 237 | |
Mathias Agopian | 910ab13 | 2017-04-20 16:36:15 -0700 | [diff] [blame] | 238 | uint64_t android_hardware_HardwareBuffer_convertToGrallocUsageBits(uint64_t usage) { |
| 239 | return AHardwareBuffer_convertToGrallocUsageBits(usage); |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 240 | } |
| 241 | |
| 242 | } // namespace android |
| 243 | |
| 244 | // ---------------------------------------------------------------------------- |
| 245 | // JNI Glue |
| 246 | // ---------------------------------------------------------------------------- |
| 247 | |
| 248 | const char* const kClassPathName = "android/hardware/HardwareBuffer"; |
| 249 | |
| 250 | static const JNINativeMethod gMethods[] = { |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 251 | { "nCreateHardwareBuffer", "(IIIIJ)J", |
| 252 | (void*) android_hardware_HardwareBuffer_create }, |
Peiyong Lin | 9d42740 | 2019-01-23 18:39:06 -0800 | [diff] [blame] | 253 | { "nCreateFromGraphicBuffer", "(Landroid/graphics/GraphicBuffer;)J", |
| 254 | (void*) android_hardware_HardwareBuffer_createFromGraphicBuffer }, |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 255 | { "nGetNativeFinalizer", "()J", |
| 256 | (void*) android_hardware_HardwareBuffer_getNativeFinalizer }, |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 257 | { "nWriteHardwareBufferToParcel", "(JLandroid/os/Parcel;)V", |
| 258 | (void*) android_hardware_HardwareBuffer_write }, |
| 259 | { "nReadHardwareBufferFromParcel", "(Landroid/os/Parcel;)J", |
| 260 | (void*) android_hardware_HardwareBuffer_read }, |
John Reck | 4d312b2 | 2019-01-25 15:20:24 -0800 | [diff] [blame] | 261 | { "nIsSupported", "(IIIIJ)Z", |
| 262 | (void*) android_hardware_HardwareBuffer_isSupported }, |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 263 | |
| 264 | // --------------- @FastNative ---------------------- |
Mathias Agopian | fee4a98 | 2017-02-09 18:48:21 -0800 | [diff] [blame] | 265 | { "nGetWidth", "(J)I", (void*) android_hardware_HardwareBuffer_getWidth }, |
| 266 | { "nGetHeight", "(J)I", (void*) android_hardware_HardwareBuffer_getHeight }, |
| 267 | { "nGetFormat", "(J)I", (void*) android_hardware_HardwareBuffer_getFormat }, |
| 268 | { "nGetLayers", "(J)I", (void*) android_hardware_HardwareBuffer_getLayers }, |
| 269 | { "nGetUsage", "(J)J", (void*) android_hardware_HardwareBuffer_getUsage }, |
Craig Donner | 1a4d07d | 2017-01-09 13:01:22 -0800 | [diff] [blame] | 270 | }; |
| 271 | |
| 272 | int register_android_hardware_HardwareBuffer(JNIEnv* env) { |
| 273 | int err = RegisterMethodsOrDie(env, kClassPathName, gMethods, |
| 274 | NELEM(gMethods)); |
| 275 | |
| 276 | jclass clazz = FindClassOrDie(env, "android/hardware/HardwareBuffer"); |
| 277 | gHardwareBufferClassInfo.clazz = MakeGlobalRefOrDie(env, clazz); |
| 278 | gHardwareBufferClassInfo.mNativeObject = GetFieldIDOrDie(env, |
| 279 | gHardwareBufferClassInfo.clazz, "mNativeObject", "J"); |
| 280 | gHardwareBufferClassInfo.ctor = GetMethodIDOrDie(env, |
| 281 | gHardwareBufferClassInfo.clazz, "<init>", "(J)V"); |
| 282 | |
| 283 | return err; |
| 284 | } |