Effects not working in DirectX

[willmotil]

There are lots of examples you can look to by searching the forum.

How to use a pixel shader with spritebatch. Minimal example GreyScale

// game1 DX desktop project. using Microsoft.Xna.Framework; using Microsoft.Xna.Framework.Graphics; using Microsoft.Xna.Framework.Input; namespace HowToPixelShaderWithSpriteBatch { public class Game1 : Game { GraphicsDeviceManager graphics; SpriteBatch spriteBatch; Texture2D texture; Effect effect; float percent = 1.0f; public Game1() { graphics = new GraphicsDeviceManager(this); Content.RootDirectory =…