source-engine/materialsystem/stdshaders/vertexlitgeneric_detailenvmap.psh

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2020-04-22 16:56:21 +00:00
ps.1.1
;------------------------------------------------------------------------------
; Draw a texture . . woo hoo!
; t0 - texture
;
; The texture coordinates need to be defined as follows:
; tc0 - texcoords
;------------------------------------------------------------------------------
tex t0 ; base color
tex t1 ; cube map
tex t3 ; detail texture
mul r0, t0, c3 ; base times modulation
mul_x2 r0.rgb, r0, t3 ; detail texture
mad r0.rgb, t1, c2, r0 ; + envmap * envmaptint (color only)
mul r0.rgb, v0, r0 ; apply vertex lighting
mul_x2 r0.rgb, c0, r0 ; * 2 * (overbrightFactor/2)