1/*
2* Copyright (C) 2016 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 <memory>
18
19#include <jni.h>
20#include <RenderScript.h>
21
22#include "ScriptC_scalars.h"
23
24extern "C" void JNICALL
25Java_com_android_rs_jnibranchingfuncalls_MainActivity_nativeRS(
26    JNIEnv * env,
27    jclass,
28    jstring pathObj)
29{
30    static const int size = 64;
31    sp<RS> rs = new RS();
32
33    const char * path = env->GetStringUTFChars(pathObj, nullptr);
34    rs->init(path, RS_INIT_LOW_LATENCY | RS_INIT_WAIT_FOR_ATTACH);
35    env->ReleaseStringUTFChars(pathObj, path);
36
37    auto e = Element::I32(rs);
38    Type::Builder tb(rs, e);
39    tb.setX(size);
40    tb.setY(size);
41    auto t = tb.create();
42
43    auto a = Allocation::createTyped(rs, t);
44    auto b = Allocation::createTyped(rs, t);
45
46    int * input = new int[size*size];
47    for(int i = 0; i < size*size; ++i) {
48        input[i] = i - (size*size / 2);
49    }
50    a->copy2DRangeFrom(0, 0, size, size, input);
51    delete [] input;
52
53    // Script is executed once, then the data is copied back when finished
54    sp<ScriptC_scalars> s = new ScriptC_scalars(rs);
55    s->invoke_addToGlobal(234);
56    s->forEach_simple_kernel(a, b);
57    rs->finish();
58    int32_t * output = new int32_t[size*size];
59    b->copy2DRangeTo(0, 0, size, size, output);
60    delete [] output;
61}
62
63