Example usage for com.badlogic.gdx.graphics GL20 glCreateShader

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics GL20 glCreateShader.

Prototype

public int glCreateShader(int type);

Source Link

Usage

From source file:net.mgsx.game.examples.gpu.utils.ShaderProgramEx.java

License:Apache License

private int loadShader(int type, String source) {
    GL20 gl = Gdx.gl20;
    IntBuffer intbuf = BufferUtils.newIntBuffer(1);

    int shader = gl.glCreateShader(type);
    if (shader == 0)
        return -1;

    gl.glShaderSource(shader, source);//from ww  w. ja  v a2  s  .c  o m
    gl.glCompileShader(shader);
    gl.glGetShaderiv(shader, GL20.GL_COMPILE_STATUS, intbuf);

    int compiled = intbuf.get(0);
    if (compiled == 0) {
        // gl.glGetShaderiv(shader, GL20.GL_INFO_LOG_LENGTH, intbuf);
        // int infoLogLength = intbuf.get(0);
        // if (infoLogLength > 1) {
        String infoLog = gl.glGetShaderInfoLog(shader);

        IntMap<String> typeString = new IntMap<String>();
        typeString.put(GL20.GL_VERTEX_SHADER, "Vertex shader");
        typeString.put(GL20.GL_FRAGMENT_SHADER, "Vertex shader");
        typeString.put(GL_GEOMETRY_SHADER, "Geometry shader");
        typeString.put(GL_TESS_CONTROL_SHADER, "Tess control shader");
        typeString.put(GL_TESS_EVALUATION_SHADER, "Tess evaluation shader");

        log += typeString.get(type) + "\n";
        log += infoLog;
        // }
        return -1;
    }

    return shader;
}

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