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_simple.h"
23
24 extern "C" void JNICALL
Java_com_android_rs_jnikernelvariables_MainActivity_nativeRS(JNIEnv * env,jclass,jstring pathObj)25 Java_com_android_rs_jnikernelvariables_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::RGBA_8888(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 sp<ScriptC_simple> s = new ScriptC_simple(rs);
47
48 static const int buffer_int[] = {1, 2, 3, 4};
49 sp<Allocation> int_allocation = Allocation::createSized(rs, Element::I32(rs), 4);
50 int_allocation->copy1DRangeFrom(0, 4, buffer_int);
51 s->set_allocation_1D_global(int_allocation);
52
53 static const int buffer_int2[] = {5, 6, 7, 8};
54
55 Type::Builder typeI32Builder2D(rs, Element::I32(rs));
56 typeI32Builder2D.setX(2);
57 typeI32Builder2D.setY(2);
58
59 sp<Allocation> int_allocation2 = Allocation::createTyped(rs, typeI32Builder2D.create());
60 int_allocation2->copy2DRangeFrom(0, 0, 2, 2, buffer_int2);
61 s->set_allocation_1D_global2(int_allocation2);
62
63 s->set_allocation_2D_global(a);
64 s->set_allocation_2D_global2(b);
65
66 static const int buffer_int3[] = {9, 10, 11, 12, 13, 14, 15, 16};
67
68 Type::Builder typeI32Builder3D(rs, Element::I32(rs));
69 typeI32Builder3D.setX(2);
70 typeI32Builder3D.setY(2);
71 typeI32Builder3D.setZ(2);
72
73 sp<Allocation> int_allocation3 = Allocation::createTyped(rs, typeI32Builder3D.create());
74 int_allocation3->copy3DRangeFrom(0, 0, 0, 2, 2, 2, buffer_int3);
75 s->set_allocation_3D_global(int_allocation3);
76
77 Type::Builder yuvTypeBuilder(rs, Element::YUV(rs));
78 yuvTypeBuilder.setX(4);
79 yuvTypeBuilder.setY(4);
80 yuvTypeBuilder.setYuvFormat(RS_YUV_YV12);
81
82 sp<Allocation> yuv_allocation = Allocation::createTyped(rs, yuvTypeBuilder.create());
83 s->set_allocation_YUV_2D_global(yuv_allocation);
84
85 s->set_sampler_global(Sampler::CLAMP_LINEAR(rs));
86
87 // Script is executed once, then the data is copied back when finished
88 s->forEach_kernel(a, b);
89 rs->finish();
90 uint32_t * output = new uint32_t[size*size];
91 b->copy2DRangeTo(0, 0, size, size, output);
92 delete [] output;
93 }
94
95