1. Colours & Representation 8 Bit 16 Bit 24 Bit 32 Bit + HDR 32Bit per channel scRGB DirectX 10, 48-bit floating point Device Independent Colours Floats

2. DirectX 9.0c is limited to Shader Model 3.0 – Lighting is limited to 32bit floating point A Maximum of 65535:1 Contrast HDR is supported from Shader Model 2.0 *theoretically HDRR is Shader Model 3.0+ – 64-bit, 128bit theoretical but sloooooooooooow Shader Model 4.0+ – 128bit – HDRR (High dynamic range rendering) Aslo known as HDR lighting

3. The Pipeline Architecture

4. Advanced Pipeline Architecture What do you want to do to your graphics?

5. Preservation of your Objects Pre, Partial and Post Render