Modified source engine (2017) developed by valve and leaked in 2020. Not for commercial purporses
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5 years ago
ps.1.1
;------------------------------------------------------------------------------
; Draw a texture . . woo hoo!
; t0 - texture
;
; The texture coordinates need to be defined as follows:
; tc0 - texcoords
; c2 - envmaptint
;------------------------------------------------------------------------------
tex t1 ; cube map
tex t2 ; envmap mask
tex t3 ; detail texture
; version 1: applies the mod2x *after* environment map
; version 2 doesn't make sense here!
mul r0, t1, t2
mul r0.rgb, c2, r0
mul r0, r0, v0
mul_x2 r0.rgb, r0, t3 ; mod2x detail texture