Android Open Source - GoogleBody Programs

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Back to project page GoogleBody.

License

The source code is released under:

Apache License

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Java Source Code

// Copyright 2011 Google Inc. All Rights Reserved.
////from   w  ww . j  a va2 s. com
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package com.google.android.apps.body.tdl;

import android.opengl.GLES20;
import android.util.Log;

/**
 * Tiny helper class that uploads GL ES 2.0 shaders.
 */
public class Programs {

    private static int getShader(String source, int type) {
        int shader = GLES20.glCreateShader(type);
        if (shader == 0) return 0;
        
        GLES20.glShaderSource(shader, source);
        GLES20.glCompileShader(shader);
        int[] compiled = { 0 };
        GLES20.glGetShaderiv(shader, GLES20.GL_COMPILE_STATUS, compiled, 0);
        if (compiled[0] == 0) {
            Log.e("Body", GLES20.glGetShaderInfoLog(shader));
        }
        return shader;
    }

    public static int loadProgram(String vertexShader,
            String fragmentShader) {
        int vs = getShader(vertexShader, GLES20.GL_VERTEX_SHADER);
        int fs = getShader(fragmentShader, GLES20.GL_FRAGMENT_SHADER);
        if (vs == 0 || fs == 0) return 0;

        int program = GLES20.glCreateProgram();
        GLES20.glAttachShader(program, vs);
        GLES20.glAttachShader(program, fs);
        GLES20.glLinkProgram(program);

        int[] linked = { 0 };
        GLES20.glGetProgramiv(program, GLES20.GL_LINK_STATUS, linked, 0);
        if (linked[0] == 0) {
            Log.e("Body", GLES20.glGetProgramInfoLog(program));
            return 0;
        }
        return program;
    }
}

Java Source Code List