@Override
public final void ppBegin(final GL gl) {
if (null == sp) {
throw new IllegalStateException("Not initialized");
}
if (0 == frameStart) {
throw new IllegalStateException("beginFrame not called");
}
final GL2ES2 gl2es2 = gl.getGL2ES2();
gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
gl.glActiveTexture(GL.GL_TEXTURE0 + getTextureUnit());
gl2es2.glDisable(GL.GL_CULL_FACE);
gl2es2.glDisable(GL.GL_DEPTH_TEST);
gl2es2.glDisable(GL.GL_BLEND);
if (!gl2es2.isGLcore()) {
gl2es2.glEnable(GL.GL_TEXTURE_2D);
}
sp.useProgram(gl2es2, true);
gl2es2.glUniform(texUnit0);
}
