Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.opengl.GLUtils;

import java.io.IOException;
import java.io.InputStream;

import static android.opengl.GLES20.GL_CLAMP_TO_EDGE;

import static android.opengl.GLES20.GL_LINEAR;

import static android.opengl.GLES20.GL_NEAREST;

import static android.opengl.GLES20.GL_TEXTURE_2D;
import static android.opengl.GLES20.GL_TEXTURE_MAG_FILTER;
import static android.opengl.GLES20.GL_TEXTURE_MIN_FILTER;
import static android.opengl.GLES20.GL_TEXTURE_WRAP_S;
import static android.opengl.GLES20.GL_TEXTURE_WRAP_T;

import static android.opengl.GLES20.glBindTexture;

import static android.opengl.GLES20.glGenTextures;

import static android.opengl.GLES20.glTexParameterf;

public class Main {
    public static int initTexture(Context context, int drawableId)// textureId
    {
        int[] textures = new int[1];
        glGenTextures(1, textures, 0);
        int textureId = textures[0];
        glBindTexture(GL_TEXTURE_2D, textureId);
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
        glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);

        InputStream is = context.getResources().openRawResource(drawableId);
        Bitmap bitmapTmp;
        try {
            bitmapTmp = BitmapFactory.decodeStream(is);
        } finally {
            try {
                is.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
        GLUtils.texImage2D(GL_TEXTURE_2D, 0, bitmapTmp, 0);
        bitmapTmp.recycle();

        return textureId;
    }
}