public static void render(GL2ES1 gl, int width, int height) {
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
// draw a triangle filling the window
gl.glLoadIdentity();
ImmModeSink immModeSink =
ImmModeSink.createFixed(
3 * 3,
3,
GL.GL_FLOAT, // vertex
3,
GL.GL_FLOAT, // color
0,
GL.GL_FLOAT, // normal
0,
GL.GL_FLOAT, // texCoords
GL.GL_STATIC_DRAW);
immModeSink.glBegin(GL.GL_TRIANGLES);
immModeSink.glColor3f(1, 0, 0);
immModeSink.glVertex2f(0, 0);
immModeSink.glColor3f(0, 1, 0);
immModeSink.glVertex2f(width, 0);
immModeSink.glColor3f(0, 0, 1);
immModeSink.glVertex2f(width / 2, height);
immModeSink.glEnd(gl, true);
}
