Introduction to the DirectX 9 Shader Models - Nvidia
Introduction to the DirectX 9 Shader Models - Nvidia
Introduction to the DirectX 9 Shader Models - Nvidia
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Pixel <strong>Shader</strong> Precision<br />
• Low Precision Values (at least fp16)<br />
– Constants (careful with this, can only s<strong>to</strong>re ±2048.0<br />
exactly)<br />
– Texture fetches from < fp32 textures<br />
– Iterated diffuse & specular<br />
– Temps derived from above<br />
– Any value declared ‘half’ or _pp