Beginning 3D Game Programming

Creating Render Targets and Surfaces

Now that you have a track and multiple karts being rendered, you can get your scene ready to create a rear-view mirror effect. To do this task, you need to create a texture that is a render target. As the name implies, a render target is the target of your rendering. Before you begin with that, though, you need to ensure that your device is capable of rendering to a render target of the appropriate type. Find the IsDeviceAcceptable method and before the final return true; line, add the following:

 // Skip back buffer formats that don't support render targets format we want if (!Manager.CheckDeviceFormat(caps.AdapterOrdinal, caps.DeviceType, adapterFormat, Usage.RenderTarget, ResourceType.Textures, Format.X8R8G8B8)) ...