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What is the HLSL noise() intrinsic for?

April 26, 2017hlsl intrinsic noise

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What is the HLSL noise() intrinsic for?

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The noise intrinsic function generates perlin noise as defined by Ken Perlin. The HLSL function can currently only be used to fill textures in texture shaders as current h/w does not support the method natively. Texture shaders are used in conjuction with the D3DXFill*Texture() functions which are useful helper functions to generate procedurally defined textures during load time.