Home | History | Annotate | Download | only in jni 
      1 /*
      2  * Copyright (C) 2011 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 "jni/jni_vertex_frame.h"
     18 #include "jni/jni_util.h"
     19 
     20 #include "native/core/vertex_frame.h"
     21 
     22 using android::filterfw::VertexFrame;
     23 
     24 jboolean Java_android_filterfw_core_VertexFrame_nativeAllocate(JNIEnv* env,
     25                                                                jobject thiz,
     26                                                                jint size) {
     27   std::unique_ptr<VertexFrame> frame(new VertexFrame(size));
     28   return ToJBool(WrapOwnedObjectInJava(std::move(frame), env, thiz, true));
     29 }
     30 
     31 jboolean Java_android_filterfw_core_VertexFrame_nativeDeallocate(JNIEnv* env, jobject thiz) {
     32   return ToJBool(DeleteNativeObject<VertexFrame>(env, thiz));
     33 }
     34 
     35 jboolean Java_android_filterfw_core_VertexFrame_setNativeInts(JNIEnv* env,
     36                                                               jobject thiz,
     37                                                               jintArray ints) {
     38 
     39   VertexFrame* frame = ConvertFromJava<VertexFrame>(env, thiz);
     40   if (frame && ints) {
     41     jint* int_ptr = env->GetIntArrayElements(ints, NULL);
     42     const int length = env->GetArrayLength(ints);
     43     if (int_ptr) {
     44       const bool success = frame->WriteData(reinterpret_cast<const uint8_t*>(int_ptr),
     45                                             length * sizeof(jint));
     46       env->ReleaseIntArrayElements(ints, int_ptr, JNI_ABORT);
     47       return ToJBool(success);
     48     }
     49   }
     50   return JNI_FALSE;
     51 }
     52 
     53 jboolean Java_android_filterfw_core_VertexFrame_setNativeFloats(JNIEnv* env,
     54                                                                 jobject thiz,
     55                                                                 jfloatArray floats) {
     56   VertexFrame* frame = ConvertFromJava<VertexFrame>(env, thiz);
     57   if (frame && floats) {
     58     jfloat* float_ptr = env->GetFloatArrayElements(floats, NULL);
     59     const int length = env->GetArrayLength(floats);
     60     if (float_ptr) {
     61       const bool success = frame->WriteData(reinterpret_cast<const uint8_t*>(float_ptr),
     62                                             length * sizeof(jfloat));
     63       env->ReleaseFloatArrayElements(floats, float_ptr, JNI_ABORT);
     64       return ToJBool(success);
     65     }
     66   }
     67   return JNI_FALSE;
     68 }
     69 
     70 jboolean Java_android_filterfw_core_VertexFrame_setNativeData(JNIEnv* env,
     71                                                               jobject thiz,
     72                                                               jbyteArray data,
     73                                                               jint offset,
     74                                                               jint length) {
     75   VertexFrame* frame = ConvertFromJava<VertexFrame>(env, thiz);
     76   if (frame && data) {
     77     jbyte* bytes = env->GetByteArrayElements(data, NULL);
     78     if (bytes) {
     79       const bool success = frame->WriteData(reinterpret_cast<const uint8_t*>(bytes + offset),
     80                                             length);
     81       env->ReleaseByteArrayElements(data, bytes, JNI_ABORT);
     82       return ToJBool(success);
     83     }
     84   }
     85   return JNI_FALSE;
     86 }
     87 
     88 jint Java_android_filterfw_core_VertexFrame_getNativeVboId(JNIEnv* env, jobject thiz) {
     89   VertexFrame* frame = ConvertFromJava<VertexFrame>(env, thiz);
     90   return frame ? frame->GetVboId() : -1;
     91 }
     92