Description:
This sample shows how shaders can be used to implement
special effects when drawing 2D graphics with SpriteBatch. It uses two custom
content pipeline processors to prepare the sprite textures in special ways.
Sample Overview
The sample includes five different rendering techniques. To
switch to the next technique, press the A button on your gamepad, or SPACEBAR
on your keyboard.
The first custom content pipeline processor merges color and
alpha information from two separate source files into a single texture. This
allows the alpha data to be drawn as a simple grayscale image, which can be
convenient if you're using a paint program that doesn't properly support images
with embedded alpha channels.
The second custom processor converts an image containing
grayscale height values into a normal-map texture.
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