public GLShader(PApplet pa) {
// pgl = (PGraphicsOpenGL)pa.g;
gl = PlatformUtil.getGL20();
if (this.gl == null) {
System.out.println("Shaders not supported");
}
System.out.println("GLSL Version : " + gl.glGetString(GL20.GL_SHADING_LANGUAGE_VERSION));
String extensions = gl.glGetString(GL20.GL_EXTENSIONS);
vertexShaderSupported = extensions.indexOf("GL_ARB_vertex_shader") != -1;
vertexShaderEnabled = true;
glslProgram = gl.glCreateProgram();
vertexShader = -1;
fragmentShader = -1;
}
