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-rw-r--r--core/java/android/os/HwBlob.java20
-rw-r--r--core/jni/android_os_HwBlob.cpp174
-rw-r--r--core/jni/android_os_HwBlob.h2
3 files changed, 190 insertions, 6 deletions
diff --git a/core/java/android/os/HwBlob.java b/core/java/android/os/HwBlob.java
index 88226f0a1665..5e9b9ae3d49a 100644
--- a/core/java/android/os/HwBlob.java
+++ b/core/java/android/os/HwBlob.java
@@ -43,6 +43,18 @@ public class HwBlob {
public native final double getDouble(long offset);
public native final String getString(long offset);
+ /**
+ The copyTo... methods copy the blob's data, starting from the given
+ byte offset, into the array. A total of "size" _elements_ are copied.
+ */
+ public native final void copyToBoolArray(long offset, boolean[] array, int size);
+ public native final void copyToInt8Array(long offset, byte[] array, int size);
+ public native final void copyToInt16Array(long offset, short[] array, int size);
+ public native final void copyToInt32Array(long offset, int[] array, int size);
+ public native final void copyToInt64Array(long offset, long[] array, int size);
+ public native final void copyToFloatArray(long offset, float[] array, int size);
+ public native final void copyToDoubleArray(long offset, double[] array, int size);
+
public native final void putBool(long offset, boolean x);
public native final void putInt8(long offset, byte x);
public native final void putInt16(long offset, short x);
@@ -52,6 +64,14 @@ public class HwBlob {
public native final void putDouble(long offset, double x);
public native final void putString(long offset, String x);
+ public native final void putBoolArray(long offset, boolean[] x);
+ public native final void putInt8Array(long offset, byte[] x);
+ public native final void putInt16Array(long offset, short[] x);
+ public native final void putInt32Array(long offset, int[] x);
+ public native final void putInt64Array(long offset, long[] x);
+ public native final void putFloatArray(long offset, float[] x);
+ public native final void putDoubleArray(long offset, double[] x);
+
public native final void putBlob(long offset, HwBlob blob);
public native final long handle();
diff --git a/core/jni/android_os_HwBlob.cpp b/core/jni/android_os_HwBlob.cpp
index 40d49b7662d9..737ec47e8ffb 100644
--- a/core/jni/android_os_HwBlob.cpp
+++ b/core/jni/android_os_HwBlob.cpp
@@ -60,12 +60,12 @@ sp<JHwBlob> JHwBlob::SetNativeContext(
JNIEnv *env, jobject thiz, const sp<JHwBlob> &context) {
sp<JHwBlob> old = (JHwBlob *)env->GetLongField(thiz, gFields.contextID);
- if (context != NULL) {
- context->incStrong(NULL /* id */);
+ if (context != nullptr) {
+ context->incStrong(nullptr /* id */);
}
- if (old != NULL) {
- old->decStrong(NULL /* id */);
+ if (old != nullptr) {
+ old->decStrong(nullptr /* id */);
}
env->SetLongField(thiz, gFields.contextID, (long)context.get());
@@ -150,6 +150,10 @@ const void *JHwBlob::data() const {
return mBuffer;
}
+void *JHwBlob::data() {
+ return mBuffer;
+}
+
size_t JHwBlob::size() const {
return mSize;
}
@@ -242,8 +246,8 @@ using namespace android;
static void releaseNativeContext(void *nativeContext) {
sp<JHwBlob> parcel = (JHwBlob *)nativeContext;
- if (parcel != NULL) {
- parcel->decStrong(NULL /* id */);
+ if (parcel != nullptr) {
+ parcel->decStrong(nullptr /* id */);
}
}
@@ -313,6 +317,82 @@ static jstring JHwBlob_native_getString(
return env->NewStringUTF(s->c_str());
}
+#define DEFINE_BLOB_ARRAY_COPIER(Suffix,Type,NewType) \
+static void JHwBlob_native_copyTo ## Suffix ## Array( \
+ JNIEnv *env, \
+ jobject thiz, \
+ jlong offset, \
+ Type ## Array array, \
+ jint size) { \
+ if (array == nullptr) { \
+ jniThrowException(env, "java/lang/NullPointerException", nullptr); \
+ return; \
+ } \
+ \
+ if (env->GetArrayLength(array) < size) { \
+ signalExceptionForError(env, BAD_VALUE); \
+ return; \
+ } \
+ \
+ sp<JHwBlob> blob = JHwBlob::GetNativeContext(env, thiz); \
+ \
+ if ((offset + size * sizeof(Type)) > blob->size()) { \
+ signalExceptionForError(env, -ERANGE); \
+ return; \
+ } \
+ \
+ env->Set ## NewType ## ArrayRegion( \
+ array, \
+ 0 /* start */, \
+ size, \
+ reinterpret_cast<const Type *>( \
+ static_cast<const uint8_t *>(blob->data()) + offset)); \
+}
+
+static void JHwBlob_native_copyToBoolArray(
+ JNIEnv *env,
+ jobject thiz,
+ jlong offset,
+ jbooleanArray array,
+ jint size) {
+ if (array == nullptr) {
+ jniThrowException(env, "java/lang/NullPointerException", nullptr);
+ return;
+ }
+
+ if (env->GetArrayLength(array) < size) {
+ signalExceptionForError(env, BAD_VALUE);
+ return;
+ }
+
+ sp<JHwBlob> blob = JHwBlob::GetNativeContext(env, thiz);
+
+ if ((offset + size * sizeof(bool)) > blob->size()) {
+ signalExceptionForError(env, -ERANGE);
+ return;
+ }
+
+ const bool *src =
+ reinterpret_cast<const bool *>(
+ static_cast<const uint8_t *>(blob->data()) + offset);
+
+ jboolean *dst = env->GetBooleanArrayElements(array, nullptr /* isCopy */);
+
+ for (jint i = 0; i < size; ++i) {
+ dst[i] = src[i];
+ }
+
+ env->ReleaseBooleanArrayElements(array, dst, 0 /* mode */);
+ dst = nullptr;
+}
+
+DEFINE_BLOB_ARRAY_COPIER(Int8,jbyte,Byte)
+DEFINE_BLOB_ARRAY_COPIER(Int16,jshort,Short)
+DEFINE_BLOB_ARRAY_COPIER(Int32,jint,Int)
+DEFINE_BLOB_ARRAY_COPIER(Int64,jlong,Long)
+DEFINE_BLOB_ARRAY_COPIER(Float,jfloat,Float)
+DEFINE_BLOB_ARRAY_COPIER(Double,jdouble,Double)
+
#define DEFINE_BLOB_PUTTER(Suffix,Type) \
static void JHwBlob_native_put ## Suffix( \
JNIEnv *env, jobject thiz, jlong offset, Type x) { \
@@ -375,6 +455,72 @@ static void JHwBlob_native_putString(
blob->putBlob(offset + hidl_string::kOffsetOfBuffer, subBlob);
}
+#define DEFINE_BLOB_ARRAY_PUTTER(Suffix,Type,NewType) \
+static void JHwBlob_native_put ## Suffix ## Array( \
+ JNIEnv *env, jobject thiz, jlong offset, Type ## Array array) { \
+ \
+ if (array == nullptr) { \
+ jniThrowException(env, "java/lang/NullPointerException", nullptr); \
+ return; \
+ } \
+ \
+ sp<JHwBlob> blob = JHwBlob::GetNativeContext(env, thiz); \
+ \
+ jsize len = env->GetArrayLength(array); \
+ \
+ Type *src = \
+ env->Get ## NewType ## ArrayElements(array, nullptr /* isCopy */); \
+ \
+ status_t err = blob->write(offset, src, len * sizeof(Type)); \
+ \
+ env->Release ## NewType ## ArrayElements(array, src, 0 /* mode */); \
+ src = nullptr; \
+ \
+ if (err != OK) { \
+ signalExceptionForError(env, err); \
+ } \
+}
+
+DEFINE_BLOB_ARRAY_PUTTER(Int8,jbyte,Byte)
+DEFINE_BLOB_ARRAY_PUTTER(Int16,jshort,Short)
+DEFINE_BLOB_ARRAY_PUTTER(Int32,jint,Int)
+DEFINE_BLOB_ARRAY_PUTTER(Int64,jlong,Long)
+DEFINE_BLOB_ARRAY_PUTTER(Float,jfloat,Float)
+DEFINE_BLOB_ARRAY_PUTTER(Double,jdouble,Double)
+
+static void JHwBlob_native_putBoolArray(
+ JNIEnv *env, jobject thiz, jlong offset, jbooleanArray array) {
+
+ if (array == nullptr) {
+ jniThrowException(env, "java/lang/NullPointerException", nullptr);
+ return;
+ }
+
+ sp<JHwBlob> blob = JHwBlob::GetNativeContext(env, thiz);
+
+ jsize len = env->GetArrayLength(array);
+
+ if ((offset + len * sizeof(bool)) > blob->size()) {
+ signalExceptionForError(env, -ERANGE);
+ return;
+ }
+
+ const jboolean *src =
+ env->GetBooleanArrayElements(array, nullptr /* isCopy */);
+
+ bool *dst = reinterpret_cast<bool *>(
+ static_cast<uint8_t *>(blob->data()) + offset);
+
+ for (jsize i = 0; i < len; ++i) {
+ dst[i] = src[i];
+ }
+
+ env->ReleaseBooleanArrayElements(
+ array, const_cast<jboolean *>(src), 0 /* mode */);
+
+ src = nullptr;
+}
+
static void JHwBlob_native_putBlob(
JNIEnv *env, jobject thiz, jlong offset, jobject blobObj) {
if (blobObj == nullptr) {
@@ -413,6 +559,14 @@ static JNINativeMethod gMethods[] = {
{ "getDouble", "(J)D", (void *)JHwBlob_native_getDouble },
{ "getString", "(J)Ljava/lang/String;", (void *)JHwBlob_native_getString },
+ { "copyToBoolArray", "(J[ZI)V", (void *)JHwBlob_native_copyToBoolArray },
+ { "copyToInt8Array", "(J[BI)V", (void *)JHwBlob_native_copyToInt8Array },
+ { "copyToInt16Array", "(J[SI)V", (void *)JHwBlob_native_copyToInt16Array },
+ { "copyToInt32Array", "(J[II)V", (void *)JHwBlob_native_copyToInt32Array },
+ { "copyToInt64Array", "(J[JI)V", (void *)JHwBlob_native_copyToInt64Array },
+ { "copyToFloatArray", "(J[FI)V", (void *)JHwBlob_native_copyToFloatArray },
+ { "copyToDoubleArray", "(J[DI)V", (void *)JHwBlob_native_copyToDoubleArray },
+
{ "putBool", "(JZ)V", (void *)JHwBlob_native_putBool },
{ "putInt8", "(JB)V", (void *)JHwBlob_native_putInt8 },
{ "putInt16", "(JS)V", (void *)JHwBlob_native_putInt16 },
@@ -422,6 +576,14 @@ static JNINativeMethod gMethods[] = {
{ "putDouble", "(JD)V", (void *)JHwBlob_native_putDouble },
{ "putString", "(JLjava/lang/String;)V", (void *)JHwBlob_native_putString },
+ { "putBoolArray", "(J[Z)V", (void *)JHwBlob_native_putBoolArray },
+ { "putInt8Array", "(J[B)V", (void *)JHwBlob_native_putInt8Array },
+ { "putInt16Array", "(J[S)V", (void *)JHwBlob_native_putInt16Array },
+ { "putInt32Array", "(J[I)V", (void *)JHwBlob_native_putInt32Array },
+ { "putInt64Array", "(J[J)V", (void *)JHwBlob_native_putInt64Array },
+ { "putFloatArray", "(J[F)V", (void *)JHwBlob_native_putFloatArray },
+ { "putDoubleArray", "(J[D)V", (void *)JHwBlob_native_putDoubleArray },
+
{ "putBlob", "(JL" PACKAGE_PATH "/HwBlob;)V",
(void *)JHwBlob_native_putBlob },
diff --git a/core/jni/android_os_HwBlob.h b/core/jni/android_os_HwBlob.h
index 39393cb76c23..6b1db639ac19 100644
--- a/core/jni/android_os_HwBlob.h
+++ b/core/jni/android_os_HwBlob.h
@@ -50,6 +50,8 @@ struct JHwBlob : public RefBase {
size_t offset, const android::hardware::hidl_string **s) const;
const void *data() const;
+ void *data();
+
size_t size() const;
status_t putBlob(size_t offset, const sp<JHwBlob> &blob);
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-12-31 06:16:47 +0000