1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29

package com.example.helloosg;
import javax.microedition.khronos.egl.EGLConfig;
import javax.microedition.khronos.opengles.GL10;
import android.opengl.GLSurfaceView.Renderer;

public class NDKRenderer implements Renderer{

NDKRenderer(){
    }
    
    @Override
    public void onSurfaceCreated(GL10 gl, EGLConfig config) {
        // TODO Auto-generated method stub
        gl.glEnable(GL10.GL_DEPTH_TEST);
    }

@Override
    public void onSurfaceChanged(GL10 gl, int width, int height) {
        // TODO Auto-generated method stub
        osgNativeLib.init(width, height);
    }

@Override
    public void onDrawFrame(GL10 gl) {
        // TODO Auto-generated method stub
        osgNativeLib.step();
    }
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15

package com.example.helloosg;
public class osgNativeLib {
    
    static {
        System.loadLibrary("osgNativeLib");
    }

/**
    * @param width the current view width
    * @param height the current view height
    */
    public static native void       init(int width, int height);
    public static native void       step();
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57

package com.example.helloosg;

import android.app.Activity;
import android.opengl.GLSurfaceView;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.TextView;

public class MainActivity extends Activity {

private GLSurfaceView mGLSurfaceView;
    
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        mGLSurfaceView = new GLSurfaceView(this);
        mGLSurfaceView.setEGLContextClientVersion(2);
        NDKRenderer renderer = new NDKRenderer();
        this.mGLSurfaceView.setRenderer(renderer);
        this.setContentView(mGLSurfaceView);
    }

@Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

@Override
    protected void onResume() {
        // TODO Auto-generated method stub
        super.onResume();
        mGLSurfaceView.onResume();
    }

@Override
    protected void onPause() {
        // TODO Auto-generated method stub
        super.onPause();
        mGLSurfaceView.onPause();
    }

@Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_settings) {
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139

/ *  Created on: 2014-10-19
 *      Author: VCC
 */

#include "OsgMainApp.h"

OsgMainApp::OsgMainApp() {
}

void OsgMainApp::initOsgWindow(int x, int y, int width, int height) {
    __android_log_write(ANDROID_LOG_ERROR, "OSGANDROID", "Init geometry");

_viewer = new osgViewer::Viewer();
    _viewer->setUpViewerAsEmbeddedInWindow(x, y, width, height);
    _viewer->setThreadingModel(osgViewer::ViewerBase::SingleThreaded);

_root = new osg::Group();

_viewer->realize();
    _viewer->addEventHandler(new osgViewer::StatsHandler);
    _viewer->addEventHandler(
            new osgGA::StateSetManipulator(
                    _viewer->getCamera()->getOrCreateStateSet()));
    _viewer->addEventHandler(new osgViewer::ThreadingHandler);
    _viewer->addEventHandler(new osgViewer::LODScaleHandler);

_manipulator = new osgGA::KeySwitchMatrixManipulator;
    _manipulator->addMatrixManipulator('1', "Trackball",
            new osgGA::TrackballManipulator());
    _viewer->setCameraManipulator(_manipulator.get());

_viewer->getViewerStats()->collectStats("scene", true);

loadModels();
}

void OsgMainApp::draw() {
    _viewer->frame();
}

void OsgMainApp::loadModels() {
    osg::ref_ptr<osg::Node> loadedModel = osgDB::readNodeFile(
            "/sdcard/osg/cow.osg");
    loadedModel->setName("cow");
    if (loadedModel != NULL) {
        __android_log_print(ANDROID_LOG_ERROR, "OSGANDROID", "Not NULL");
    }
    osg::Shader * vshader = new osg::Shader(osg::Shader::VERTEX, gVertexShader);
    osg::Shader * fshader = new osg::Shader(osg::Shader::FRAGMENT,
            gFragmentShader);

osg::Program * prog = new osg::Program;
    prog->addShader(vshader);
    prog->addShader(fshader);

osg::ref_ptr<osg::Node> node = createNode();
    //loadedModel->getOrCreateStateSet()->setAttribute(prog);
    node->getOrCreateStateSet()->setAttribute(prog);
    //_root->addChild(loadedModel);
    _root->addChild(node);
    osgViewer::Viewer::Windows windows;
    _viewer->getWindows(windows);
    for (osgViewer::Viewer::Windows::iterator itr = windows.begin();
            itr != windows.end(); ++itr) {
        (*itr)->getState()->setUseModelViewAndProjectionUniforms(true);
        (*itr)->getState()->setUseVertexAttributeAliasing(true);
    }

_viewer->setSceneData(NULL);
    _viewer->setSceneData(_root.get());
    _manipulator->getNode();
    _viewer->home();

_viewer->getDatabasePager()->clear();
    _viewer->getDatabasePager()->registerPagedLODs(_root.get());
    _viewer->getDatabasePager()->setUpThreads(3, 1);
    _viewer->getDatabasePager()->setTargetMaximumNumberOfPageLOD(2);
    _viewer->getDatabasePager()->setUnrefImageDataAfterApplyPolicy(true, true);
}

//创建一个四边形节点
osg::ref_ptr<osg::Node> OsgMainApp::createNode() {

//创建一个叶节点对象
    osg::ref_ptr<osg::Geode> geode = new osg::Geode();
    //创建一个几何体对象
    osg::ref_ptr<osg::Geometry> geom = new osg::Geometry();
    //添加顶点数据 注意顶点的添加顺序是逆时针
    osg::ref_ptr<osg::Vec3Array> v = new osg::Vec3Array();
    //添加数据
    v->push_back(osg::Vec3(0, 0, 0));
    v->push_back(osg::Vec3(1, 0, 0));
    v->push_back(osg::Vec3(1, 0, 1));
    v->push_back(osg::Vec3(0, 0, 1));

//设置顶点数据
    geom->setVertexArray(v.get());

//创建纹理订点数据
    osg::ref_ptr<osg::Vec2Array> vt = new osg::Vec2Array();
    //添加纹理坐标
    vt->push_back(osg::Vec2(0, 0));
    vt->push_back(osg::Vec2(1, 0));
    vt->push_back(osg::Vec2(1, 1));
    vt->push_back(osg::Vec2(0, 1));

//设置纹理坐标
    geom->setTexCoordArray(0, vt.get());

//创建颜色数组
    osg::ref_ptr<osg::Vec4Array> vc = new osg::Vec4Array();
    //添加数据
    vc->push_back(osg::Vec4(1, 0, 0, 1));
    vc->push_back(osg::Vec4(0, 1, 0, 1));
    vc->push_back(osg::Vec4(0, 0, 1, 1));
    vc->push_back(osg::Vec4(1, 1, 0, 1));

//设置颜色数组
    geom->setColorArray(vc.get());
    //设置颜色的绑定方式为单个顶点
    geom->setColorBinding(osg::Geometry::BIND_PER_VERTEX);

//创建法线数组
    osg::ref_ptr<osg::Vec3Array> nc = new osg::Vec3Array();
    //添加法线
    nc->push_back(osg::Vec3(0, -1, 0));
    //设置法线
    geom->setNormalArray(nc.get());
    //设置法绑定为全部顶点
    geom->setNormalBinding(osg::Geometry::BIND_OVERALL);
    //添加图元
    geom->addPrimitiveSet(new osg::DrawArrays(osg::PrimitiveSet::QUADS, 0, 4));

//添加到叶子节点
    geode->addDrawable(geom.get());

return geode.get();
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110

/*
 * OsgMainApp.h
 *
 *  Created on: 2014-10-19
 *      Author: VCC
 */

#ifndef OSGMAINAPP_H_
#define OSGMAINAPP_H_

//android log
#include <android/log.h>
#include <iostream>
#include <cstdlib>
#include <math.h>

#include <string>

//osg
#include <osg/GL>
#include <osg/GLExtensions>
#include <osg/Depth>
#include <osg/Program>
#include <osg/Shader>
#include <osg/Node>
#include <osg/Notify>
#include <osg/ShapeDrawable>

#include <osgText/Text>

//osgDB
#include <osgDB/DatabasePager>
#include <osgDB/Registry>
#include <osgDB/ReadFile>
#include <osgDB/WriteFile>

//osg_viewer
#include <osgViewer/Viewer>
#include <osgViewer/Renderer>
#include <osgViewer/ViewerEventHandlers>
//osgGA

#include <osgGA/GUIEventAdapter>
#include <osgGA/MultiTouchTrackballManipulator>
#include <osgGA/TrackballManipulator>
#include <osgGA/FlightManipulator>
#include <osgGA/DriveManipulator>
#include <osgGA/KeySwitchMatrixManipulator>
#include <osgGA/StateSetManipulator>
#include <osgGA/AnimationPathManipulator>
#include <osgGA/TerrainManipulator>
#include <osgGA/SphericalManipulator>

//Static plugins Macro
USE_OSGPLUGIN(ive)
USE_OSGPLUGIN(osg)
USE_OSGPLUGIN(osg2)
USE_OSGPLUGIN(terrain)
USE_OSGPLUGIN(rgb)
USE_OSGPLUGIN(OpenFlight)
USE_OSGPLUGIN(dds)
//Static DOTOSG
USE_DOTOSGWRAPPER_LIBRARY(osg)
USE_DOTOSGWRAPPER_LIBRARY(osgFX)
USE_DOTOSGWRAPPER_LIBRARY(osgParticle)
USE_DOTOSGWRAPPER_LIBRARY(osgTerrain)
USE_DOTOSGWRAPPER_LIBRARY(osgText)
USE_DOTOSGWRAPPER_LIBRARY(osgViewer)
USE_DOTOSGWRAPPER_LIBRARY(osgVolume)
//Static serializer
USE_SERIALIZER_WRAPPER_LIBRARY(osg)
USE_SERIALIZER_WRAPPER_LIBRARY(osgAnimation)
USE_SERIALIZER_WRAPPER_LIBRARY(osgFX)
USE_SERIALIZER_WRAPPER_LIBRARY(osgManipulator)
USE_SERIALIZER_WRAPPER_LIBRARY(osgParticle)
USE_SERIALIZER_WRAPPER_LIBRARY(osgTerrain)
USE_SERIALIZER_WRAPPER_LIBRARY(osgText)
USE_SERIALIZER_WRAPPER_LIBRARY(osgVolume)

#define LOG_TAG "osgNativeLib"
#define LOGI(...) __android_log_print(ANDROID_LOG_INFO, LOG_TAG, __VA_ARGS__)
#define LOGE(...) __android_log_print(ANDROID_LOG_ERROR, LOG_TAG, __VA_ARGS__)

static const char gVertexShader[] =
    "void main() {                                                          \n"
    "    gl_Position  = gl_ModelViewProjectionMatrix * gl_Vertex;          \n"
    "}                                                                      \n";
static const char gFragmentShader[] =
    "void main() {                             \n"
    "  gl_FragColor =vec4(0.4,0.4,0.8,1.0);    \n"
    "}                                                                      \n";

class OsgMainApp {
private:
    osg::ref_ptr<osgViewer::Viewer>                 _viewer;
    osg::ref_ptr<osg::Group>                        _root;
    osg::ref_ptr<osgGA::KeySwitchMatrixManipulator> _manipulator;
public:
    OsgMainApp();
    void initOsgWindow(int x,int y,int width,int height);
    void draw();
private:
    osg::ref_ptr<osg::Node> createNode();
    void loadModels();

};

#endif /* OSGMAINAPP_H_ */

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22

#include <jni.h>
#include <string.h>
#include <osg/Node>

#include <iostream>

#include "OsgMainApp.h"

OsgMainApp mainApp;

extern "C"{
    JNIEXPORT void JNICALL Java_com_example_helloosg_osgNativeLib_init(JNIEnv* env, jobject obj, jint width, jint height);
    JNIEXPORT void JNICALL Java_com_example_helloosg_osgNativeLib_step(JNIEnv* env, jobject obj);
}
JNIEXPORT void JNICALL Java_com_example_helloosg_osgNativeLib_init(JNIEnv* env, jobject obj, jint width, jint height)
{
    mainApp.initOsgWindow(0, 0, width, height);
}

JNIEXPORT void JNICALL Java_com_example_helloosg_osgNativeLib_step(JNIEnv* env, jobject obj){
    mainApp.draw();
}

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70

LOCAL_PATH := $(call my-dir)

include $(CLEAR_VARS)

LOCAL_MODULE    := osgNativeLib
### Main Install dir
OSG_ANDROID_DIR := C:/Develop/osggles2
LIBDIR          := $(OSG_ANDROID_DIR)/obj/local/armeabi

ifeq ($(TARGET_ARCH_ABI),armeabi-v7a)
    LOCAL_ARM_NEON  := true
    LIBDIR          := $(OSG_ANDROID_DIR)/obj/local/armeabi-v7a
endif

### Add all source file names to be included in lib separated by a whitespace

LOCAL_C_INCLUDES:= $(OSG_ANDROID_DIR)/include
LOCAL_CFLAGS    := -fno-short-enums
LOCAL_CPPFLAGS  := -DOSG_LIBRARY_STATIC

LOCAL_LDLIBS := -lGLESv2 -lz -llog

LOCAL_SRC_FILES := osgNativeLib.cpp OsgMainApp.cpp

LOCAL_LDFLAGS   := -L $(LIBDIR) \
-losgdb_dds \
-losgdb_openflight \
-losgdb_tga \
-losgdb_rgb \
-losgdb_osgterrain \
-losgdb_osg \
-losgdb_ive \
-losgdb_deprecated_osgviewer \
-losgdb_deprecated_osgvolume \
-losgdb_deprecated_osgtext \
-losgdb_deprecated_osgterrain \
-losgdb_deprecated_osgsim \
-losgdb_deprecated_osgshadow \
-losgdb_deprecated_osgparticle \
-losgdb_deprecated_osgfx \
-losgdb_deprecated_osganimation \
-losgdb_deprecated_osg \
-losgdb_serializers_osgvolume \
-losgdb_serializers_osgtext \
-losgdb_serializers_osgterrain \
-losgdb_serializers_osgsim \
-losgdb_serializers_osgshadow \
-losgdb_serializers_osgparticle \
-losgdb_serializers_osgmanipulator \
-losgdb_serializers_osgfx \
-losgdb_serializers_osganimation \
-losgdb_serializers_osg \
-losgViewer \
-losgVolume \
-losgTerrain \
-losgText \
-losgShadow \
-losgSim \
-losgParticle \
-losgManipulator \
-losgGA \
-losgFX \
-losgDB \
-losgAnimation \
-losgUtil \
-losg \
-lOpenThreads \
-lgnustl_static

include $(BUILD_SHARED_LIBRARY)

1
2
3
4
5
6
7
8
9
10
11

#ANDROID APPLICATION MAKEFILE
APP_BUILD_SCRIPT := $(call my-dir)/Android.mk
#APP_PROJECT_PATH := $(call my-dir)

APP_OPTIM := release

APP_PLATFORM    := android-8
APP_STL         := gnustl_static
APP_CPPFLAGS    := -fexceptions -frtti
APP_ABI         := armeabi armeabi-v7a
APP_MODULES     := osgNativeLib