Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
import android.opengl.GLES20;

import android.util.Log;

public class Main {
    private static final String TAG = "GL utils";

    private static int compileShader(int target, String source, int[] output) {
        output[0] = GLES20.glCreateShader(target);

        //   const GLchar *str = src.c_str();
        GLES20.glShaderSource(output[0], source);
        GLES20.glCompileShader(output[0]);
        checkGLError("Compile shader");
        int[] status = new int[1];
        GLES20.glGetShaderiv(output[0], GLES20.GL_COMPILE_STATUS, status, 0);
        if (status[0] == 0) {
            Log.e(TAG, "Failed to compile shader: " + GLES20.glGetShaderInfoLog(output[0]));
            GLES20.glDeleteShader(output[0]);
        }
        return status[0];
    }

    public static void checkGLError(String msg) {
        int error = GLES20.glGetError();
        if (error != GLES20.GL_NO_ERROR) {
            String str = msg + ": glError 0x" + Integer.toHexString(error);
            Log.e(TAG, str);
            int values[] = new int[2];
            GLES20.glGetIntegerv(GLES20.GL_ARRAY_BUFFER_BINDING, values, 0);
            GLES20.glGetIntegerv(GLES20.GL_VERTEX_ATTRIB_ARRAY_BUFFER_BINDING, values, 1);
            Log.e(TAG, "Current bound array buffer: " + values[0]);
            Log.e(TAG, "Current bound vertex attrib: " + values[1]);
            throw new RuntimeException(msg);
        }
    }
}