Specular color map

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Specular Map

A texture that controls the intensity/color, or the width/power, of the specular highlights from real-time lights.

Usually a specular map simply controls the brightness of the highlights, at a per-pixel level. If the shader supports RGB the specular map can be used to colorize specular highlights, useful for surfaces that have more complex reflective properties like metals, beetle shells, etc.

Sometimes a shader will also support per-pixel control for the width or power of the specular highlights. This is often simply a monochrome control.

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