Team Fortress 2 Source Code as on 22/4/2020
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ps.1.1
;------------------------------------------------------------------------------ ; Draw a texture . . woo hoo! ; t0 - texture ; ; The texture coordinates need to be defined as follows: ; tc0 - texcoords ;------------------------------------------------------------------------------
tex t0 tex t1 tex t2
mov r0.rgb, t0 + mul r0.a, t0.a, v0.a ; Grab alpha from vertex color
lrp r0.rgb, t2.a, t2, r0 ; Base = base * (1 - detail alpha) + detail * detail alpha mul r0.rgb, r0, v0 ; modulate by vertex color mul r0.rgb, t1, r0 ; fold in lightmap (color only) mul_x2 r0.rgb, c0, r0 ; * 2 * (overbrightFactor/2)
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