source-engine/materialsystem/stdshaders/LightmappedGeneric_AddBaseAlphaMaskedEnvMap.psh

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2020-04-23 00:56:21 +08:00
ps.1.1
;------------------------------------------------------------------------------
; Draw a texture . . woo hoo!
; t0 - texture
;
; The texture coordinates need to be defined as follows:
; tc0 - texcoords
; c2 - envmaptint
;------------------------------------------------------------------------------
tex t2 ; cube map
tex t3 ; envmap mask
mul r0.rgb, t2, 1-t3.a
mul r0.rgb, c2, r0 ; apply the envmaptint
+ mul r0.a, c2.a, v0.a