LiteLoader / LiteLoader · Files

package com.mumfrey.liteloader;

import net.minecraft.client.shader.Framebuffer;

/**
 * Interface for mods which want to interact with Minecraft's main Frame Buffer Object
 *
 * @author Adam Mummery-Smith
 */
public interface FrameBufferListener extends LiteMod
{
	/**
	 * Called before the FBO is rendered. Useful if you want to interact with the FBO before it is drawn to the screen 
	 */
	public abstract void preRenderFBO(Framebuffer fbo);
	
	/**
	 * Called immediately before the FBO is rendered to the screen, after the appropriate IGL modes and matrix transforms
	 * have been set but before the FBO is actually rendered into the main output buffer.
	 *   
	 * @param fbo FBO instance
	 * @param width FBO width
	 * @param height FBO height
	 */
	public abstract void onRenderFBO(Framebuffer fbo, int width, int height);

	/**
	 * Called after the FBO is rendered whilst still inside the FBO transform
	 */
	public abstract void postRenderFBO(Framebuffer fbo);
}