{"id":209,"date":"2018-10-02T02:02:32","date_gmt":"2018-10-01T17:02:32","guid":{"rendered":"https:\/\/www.dogrow.net\/android\/?p=209"},"modified":"2018-10-03T10:26:41","modified_gmt":"2018-10-03T01:26:41","slug":"blog13","status":"publish","type":"post","link":"https:\/\/www.dogrow.net\/android\/blog13\/","title":{"rendered":"(13) OpenGL\u3067\u753b\u50cf\u3092\u8868\u793a\u3059\u308b\u3002"},"content":{"rendered":"

1. \u3084\u308a\u305f\u3044\u3053\u3068<\/h1>\n

(10) OpenGL ES\u306e\u30df\u30cb\u30de\u30e0\u5b9f\u88c5<\/a> \u3067\u306f\u3001OpenGL\u3067\u4f5c\u3063\u305f View\u306b\u76f4\u7dda\u3092\u5f15\u3044\u3066\u307f\u305f\u3002<\/p>\n

\u4eca\u56de\u306f…
\nOpenGL\u3067\u4f5c\u3063\u305f View\u306b\u753b\u50cf\u3092\u8868\u793a\u3057\u305f\u3044\uff01<\/span><\/p>\n

2. \u3084\u3063\u3066\u307f\u308b\uff01<\/h1>\n

(1) \u8868\u793a\u3059\u308b\u753b\u50cf\u3092\u9078\u5b9a\u3059\u308b\u3002<\/h2>\n

\u3044\u3089\u3059\u3068\u3084\u3055\u3093\u304b\u3089\u30b5\u30c3\u30ab\u30fc\u30dc\u30fc\u30eb\u306e\u753b\u50cf\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3055\u305b\u3066\u3044\u305f\u3060\u3044\u305f\u3002
\n\"\"<\/a><\/p>\n

\u30dc\u30fc\u30eb\u306b\u3057\u305f\u306e\u306f\u3001\u3044\u3064\u304b\u753b\u9762\u4e0a\u3092\u8ee2\u304c\u3057\u3066\u307f\u3088\u3046\u3068\u601d\u3063\u305f\u306e\u3067\u3002<\/p>\n

(2) Android Studio\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u30dc\u30fc\u30eb\u753b\u50cf\u3092\u30ea\u30bd\u30fc\u30b9\u767b\u9332\u3059\u308b\u3002<\/h2>\n

\u4e0a\u8a18(1)\u3067\u5165\u624b\u3057\u305f\u753b\u50cf\u30d5\u30a1\u30a4\u30eb\u3092 res\/drawable \u306b\u767b\u9332\u3059\u308b\u3002
\n\"\"<\/p>\n

(3) \u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u304f\u3002<\/h2>\n

\u89e3\u8aac\u306f\u5f8c\u56de\u3057\u306b\u3057\u3066\u4f5c\u3063\u305f\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u8cbc\u308a\u4ed8\u3051\u3066\u304a\u304f\u3002<\/p>\n

1) MainActivity<\/h3>\n
\r\nimport android.support.v7.app.AppCompatActivity;\r\nimport android.os.Bundle;\r\n\r\npublic class MainActivity extends AppCompatActivity {\r\n    MyGLView m_glView;\r\n\r\n    @Override protected void onCreate(Bundle savedInstanceState) {\r\n        super.onCreate(savedInstanceState);\r\n\r\n        m_glView = new MyGLView(this);\r\n        setContentView(m_glView);\r\n    }\r\n\r\n    @Override protected void onPause() {\r\n        super.onPause();\r\n        m_glView.onPause();\r\n    }\r\n\r\n    @Override protected void onResume() {\r\n        super.onResume();\r\n        m_glView.onResume();\r\n    }\r\n}\r\n<\/pre>\n
2) MyGLView<\/h3>\n
\r\nimport android.content.Context;\r\nimport android.opengl.GLSurfaceView;\r\n\r\npublic class MyGLView extends GLSurfaceView {\r\n    private MyGLRenderer m_renderer;\r\n\r\n    public MyGLView(Context context){\r\n        super(context);\r\n        m_renderer = new MyGLRenderer(context);\r\n        setRenderer(m_renderer);\r\n    }\r\n}\r\n<\/pre>\n
3) MyGLRenderer<\/h3>\n
\r\nimport android.content.Context;\r\nimport android.opengl.GLSurfaceView;\r\n\r\nimport javax.microedition.khronos.egl.EGLConfig;\r\nimport javax.microedition.khronos.opengles.GL10;\r\n\r\npublic class MyGLRenderer implements GLSurfaceView.Renderer {\r\n    private Context m_context;      \/\/ \u30a2\u30d7\u30ea\u306e\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\r\n    private MyGLPic m_pic;          \/\/ \u8868\u793a\u753b\u50cf\r\n\r\n    public MyGLRenderer( Context context ){\r\n        m_context = context;\r\n    }\r\n\r\n    @Override public void onSurfaceCreated(GL10 gl, EGLConfig config) {\r\n        gl.glDisable(GL10.GL_DITHER);       \/\/ \u6a5f\u80fd\u7121\u52b9\u5316 \uff1a \u30c7\u30a3\u30b6\u30ea\u30f3\u30b0\r\n        gl.glEnable(GL10.GL_DEPTH_TEST);    \/\/ \u6a5f\u80fd\u6709\u52b9\u5316 : \u96a0\u9762\u6d88\u53bb\u7528 Depth Buffer\u66f4\u65b0\r\n        gl.glEnable(GL10.GL_TEXTURE_2D);    \/\/ \u6a5f\u80fd\u6709\u52b9\u5316 : 2D\u30c6\u30af\u30b9\u30c1\u30e3\r\n        gl.glEnable(GL10.GL_ALPHA_TEST);    \/\/ \u6a5f\u80fd\u6709\u52b9\u5316 : \u30a2\u30eb\u30d5\u30a1\u30c6\u30b9\u30c8(\u03b1\u30c1\u30e3\u30cd\u30eb\u306b\u3088\u308b\u753b\u7d20\u306e\u6709\u52b9\/\u7121\u52b9\u5224\u5b9a)\r\n        gl.glEnable(GL10.GL_BLEND);         \/\/ \u6a5f\u80fd\u6709\u52b9\u5316 : \u30d6\u30ec\u30f3\u30c9(\u753b\u50cf\u306e\u91cd\u306d\u5408\u308f\u305b)\r\n        gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE_MINUS_SRC_ALPHA);     \/\/ \u30ab\u30e9\u30fc\u30d6\u30ec\u30f3\u30c9(\u753b\u50cf\u91cd\u306d\u5408\u308f\u305b)\u30e2\u30fc\u30c9 :  \u30a2\u30eb\u30d5\u30a1\u30d6\u30ec\u30f3\u30c9\r\n        \/\/ \u63cf\u753b\u3059\u308b\u753b\u50cf\u3092\u30ea\u30bd\u30fc\u30b9\u304b\u3089\u53d6\u5f97\r\n        m_pic = new MyGLPic();\r\n        m_pic.SetTexture(gl, m_context.getResources(), R.drawable.ball);\r\n    }\r\n    @Override public void onSurfaceChanged(GL10 gl, int width, int height) {\r\n    }\r\n    @Override public void onDrawFrame(GL10 gl) {\r\n        \/\/ \u63cf\u753b\u7528\u30d0\u30c3\u30d5\u30a1\u3092\u30af\u30ea\u30a2\r\n        gl.glClear(GL10.GL_COLOR_BUFFER_BIT | GL10.GL_DEPTH_BUFFER_BIT);\r\n        m_pic.Draw(gl);     \/\/ \u753b\u50cf\u3092\u63cf\u753b\r\n    }\r\n}\r\n<\/pre>\n
4) MyGLPic<\/h3>\n
\r\nimport android.content.res.Resources;\r\nimport android.graphics.Bitmap;\r\nimport android.graphics.BitmapFactory;\r\nimport android.opengl.GLUtils;\r\nimport android.util.Log;\r\n\r\nimport java.io.IOException;\r\nimport java.io.InputStream;\r\n\r\nimport javax.microedition.khronos.opengles.GL10;\r\nimport javax.microedition.khronos.opengles.GL11;\r\nimport javax.microedition.khronos.opengles.GL11Ext;\r\n\r\npublic class MyGLPic {\r\n    protected int m_textureNo;\r\n    protected float m_width, m_height;          \/\/ \u753b\u50cf\u306e\u8868\u793a\u5e45\u3068\u9ad8\u3055\r\n    protected int m_crop_x, m_crop_y;           \/\/ \u30c6\u30af\u30b9\u30c1\u30e3\u5207\u308a\u51fa\u3057\u5de6\u4e0a\u30aa\u30d5\u30bb\u30c3\u30c8\u5ea7\u6a19\r\n    protected int m_crop_w, m_crop_h;           \/\/ \u30c6\u30af\u30b9\u30c1\u30e3\u5207\u308a\u51fa\u3057\u5e45\u3068\u9ad8\u3055\r\n    protected float m_pos_x, m_pos_y, m_pos_z;  \/\/ \u30c6\u30af\u30b9\u30c1\u30e3\u8868\u793a\u4f4d\u7f6e\r\n\r\n    public MyGLPic(){\r\n        m_textureNo = 0;\r\n    }\r\n\r\n    \/\/ \u672c\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306b\u753b\u50cf\u3092\u30ed\u30fc\u30c9\r\n    public void SetTexture( GL10 gl, Resources res, int id ) {\r\n        InputStream is = res.openRawResource(id);\r\n        Bitmap bitmap;\r\n        try {\r\n            bitmap = BitmapFactory.decodeStream(is);\r\n        } finally {\r\n        }\r\n        try {\r\n            is.close();\r\n        } catch (IOException e) {\r\n            Log.d("MyGLPic", "Can't load resource.");\r\n        }\r\n        gl.glEnable(GL10.GL_ALPHA_TEST);\r\n        gl.glEnable(GL10.GL_BLEND);\r\n        gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE_MINUS_SRC_ALPHA);\r\n        \/\/ \u4e0b\u5730\u8272\u3068\u30c6\u30af\u30b9\u30c1\u30e3\u8272\u3068\u306e\u5408\u6210\u65b9\u6cd5 : \u4e57\u7b97\r\n        gl.glTexEnvf(GL10.GL_TEXTURE_ENV, GL10.GL_TEXTURE_ENV_MODE, GL10.GL_MODULATE);\r\n\r\n        \/\/ \u30c6\u30af\u30b9\u30c1\u30e3ID\u3092\u5272\u308a\u5f53\u3066\r\n        int[] ary_textureNo = new int[1];\r\n        gl.glGenTextures(1, ary_textureNo, 0);\r\n        m_textureNo = ary_textureNo[0];\r\n\r\n        \/\/ \u30c6\u30af\u30b9\u30c1\u30e3ID\u3092\u30d0\u30a4\u30f3\u30c9\u3057\u3001\u30c7\u30fc\u30bf\u3068ID\u3092\u95a2\u9023\u4ed8\u3051\u308b\u3002\r\n        gl.glBindTexture(GL10.GL_TEXTURE_2D, m_textureNo);\r\n        GLUtils.texImage2D(GL10.GL_TEXTURE_2D, 0, bitmap, 0);\r\n\r\n        \/\/ \u30dd\u30ea\u30b4\u30f3\u5185\u306e\u753b\u50cf\u306e\u7e70\u308a\u8fd4\u3057\u6307\u5b9a S\u8ef8\u3001T\u8ef8\u3068\u3082\u306b\u7e70\u308a\u8fd4\u3057\u306a\u3057\u3002\r\n        gl.glTexParameterx(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_S, GL10.GL_CLAMP_TO_EDGE );\r\n        gl.glTexParameterx(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_WRAP_T, GL10.GL_CLAMP_TO_EDGE );\r\n\r\n        \/\/ \u30c6\u30af\u30b9\u30c1\u30e3\u306e\u30ea\u30b5\u30f3\u30d7\u30ea\u30f3\u30b0\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u6307\u5b9a\r\n        gl.glTexParameterx(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MAG_FILTER, GL10.GL_LINEAR );\r\n        gl.glTexParameterx(GL10.GL_TEXTURE_2D, GL10.GL_TEXTURE_MIN_FILTER, GL10.GL_LINEAR );\r\n\r\n        \/\/ \u8868\u793a\u5ea7\u6a19\u8a2d\u5b9a\r\n        int img_w = bitmap.getWidth();\r\n        int img_h = bitmap.getHeight();\r\n        SetPos(0, img_h, img_w, -img_h,0, 0, 0, img_w, img_h);\r\n    }\r\n\r\n    \/\/\u30c6\u30af\u30b9\u30c1\u30e3\u8868\u793a\u30b5\u30a4\u30ba\u3001\u8868\u793a\u4f4d\u7f6e\u60c5\u5831\u3092\u30bb\u30c3\u30c8\r\n    public void SetPos( int crop_x,int crop_y,int crop_w,int crop_h, float pos_x, float pos_y, float pos_z, float disp_w, float disp_h ){\r\n        m_crop_x = crop_x;\r\n        m_crop_y = crop_y;\r\n        m_crop_w = crop_w;\r\n        m_crop_h = crop_h;\r\n        m_pos_x = pos_x;\r\n        m_pos_y = pos_y;\r\n        m_pos_z = pos_z;\r\n        m_width = disp_w;\r\n        m_height = disp_h;\r\n    }\r\n\r\n    public void Draw( GL10 gl ){\r\n        gl.glDisable(GL10.GL_DEPTH_TEST);   \/\/ \u30c7\u30d7\u30b9\u30c6\u30b9\u30c8OFF\r\n\r\n        \/\/ \u8868\u793a\u3059\u308b\u30c6\u30af\u30b9\u30c1\u30e3\u3092\u30d0\u30a4\u30f3\u30c9\r\n        gl.glActiveTexture(GL10.GL_TEXTURE0);\r\n        gl.glBindTexture(GL10.GL_TEXTURE_2D, m_textureNo);\r\n\r\n        \/\/ \u30c6\u30af\u30b9\u30c1\u30e3\u304b\u3089\u6307\u5b9a\u90e8\u5206\u3092\u5207\u308a\u51fa\u3057\u3066\u8868\u793a\r\n        int rect[] = {m_crop_x, m_crop_y, m_crop_w, m_crop_h};\r\n        ((GL11)gl).glTexParameteriv(GL10.GL_TEXTURE_2D, GL11Ext.GL_TEXTURE_CROP_RECT_OES, rect, 0);\r\n        ((GL11Ext) gl).glDrawTexfOES(m_pos_x, m_pos_y, m_pos_z, m_width, m_height);\r\n\r\n        gl.glEnable(GL10.GL_DEPTH_TEST);   \/\/ \u30c7\u30d7\u30b9\u30c6\u30b9\u30c8OFFON\r\n    }\r\n}\r\n<\/pre>\n
\u4e0a\u8a18\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u5b9f\u6a5f\u4e0a\u3067\u52d5\u304b\u3057\u305f\u3068\u304d\u306e\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8\u304c\u3053\u3061\u3089\u3002
\n\"\"<\/p>\n
\u8fd1\u3044\u3046\u3061\u306b\u3053\u306e\u30dc\u30fc\u30eb\u3092\u52d5\u304b\u3057\u3066\u307f\u305f\u3044\u3002<\/p>\n
3. \u6240\u611f<\/h1>\n
\u30fb\u3044\u308d\u3044\u308d\u3068\u624b\u7d9a\u304d\u304c\u591a\u304f\u3066\u3001\u898b\u3088\u3046\u898b\u307e\u306d\u3067\u52d5\u304b\u3057\u305f\u3060\u3051\u3063\u3066\u611f\u3058\u3060\u3002
\n\u30fb\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u4f7f\u308f\u305b\u3066\u3044\u305f\u3060\u304f\u306e\u3060\u304b\u3089\u3001\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u90fd\u5408\u306b\u5408\u308f\u305b\u308b\u3057\u304b\u306a\u3044\u3002
\n\u30fb\u624b\u7d9a\u304d\u304c\u3053\u308c\u3067\u5fc5\u8981\u5341\u5206\u306a\u306e\u304b\u306f\u4e0d\u660e… \u4eca\u5f8c\u308f\u304b\u3063\u305f\u3053\u3068\u3092\u8ffd\u8a18\u3057\u3066\u884c\u3053\u3046\u3002<\/p>\n
4. \u53c2\u8003\u60c5\u5831<\/h1>\n
\u3042\u308a\u304c\u3068\u3046\u3054\u3056\u3044\u307e\u3059\u3002 m(_ _)m
\nhttp:\/\/www.web-sky.org\/program\/opengl\/opengl03.html<\/a>
\nhttp:\/\/marina.sys.wakayama-u.ac.jp\/~tokoi\/?date=20040917<\/a><\/p>\n
\n","protected":false},"excerpt":{"rendered":"
1. \u3084\u308a\u305f\u3044\u3053\u3068 (10) OpenGL ES\u306e\u30df\u30cb\u30de\u30e0\u5b9f\u88c5 \u3067\u306f\u3001OpenGL\u3067\u4f5c\u3063\u305f View\u306b\u76f4\u7dda\u3092\u5f15\u3044\u3066\u307f\u305f\u3002 \u4eca\u56de\u306f… OpenGL\u3067\u4f5c\u3063\u305f View\u306b\u753b\u50cf\u3092\u8868\u793a\u3057\u305f\u3044\uff01 2. \u3084\u3063\u3066\u307f\u308b\uff01 (1\u2026 \u7d9a\u304d\u3092\u8aad\u3080 »<\/a><\/span><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,5],"tags":[],"class_list":["post-209","post","type-post","status-publish","format-standard","hentry","category-androidstudio","category-opengl-es"],"views":7806,"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/posts\/209","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/comments?post=209"}],"version-history":[{"count":9,"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/posts\/209\/revisions"}],"predecessor-version":[{"id":286,"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/posts\/209\/revisions\/286"}],"wp:attachment":[{"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/media?parent=209"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/categories?post=209"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dogrow.net\/android\/wp-json\/wp\/v2\/tags?post=209"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}