MonitorScreen

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January 2024

MonitorScreen is a Pixel shader available in all Source games. It is intended for use with func_monitor, though any shader can be used. This applies various image effects to the rendered texture, then applies an overlay on top. This shader is unlit.

Supported effects

• $translucent
• $alphatest
• $additive
• Proxies

Shader parameters

$basetexture <texture>

The realtime texture to render. Usually _rt_camera, but a normal texture can be used.

$texture2 <texture>

A secondary texture which is multiplied with the basetexture.

$texture2transform <matrix>

Transform the secondary texture.

$frame2 <integer>

Frame number to use for the secondary texture.

$contrast <float>

Controls the contrast of the render. 0 is normal, and 1 is "color * color".

$saturation <float>

Controls the amount of color in the render. 0 makes it fully greyscale, 1 gives full color.

$tint <vector3>

Tint the overall effect.