Files
sourcearena/sp/src/materialsystem/stdshaders/LightmappedGeneric_MultiplyByLightingSelfIllum.psh
Joe Ludwig 7309a5f13f Added many shader source files
This should include the latest version of every shader that was in the
2007 SDK. It also includes a smattering of debug shaders, both VR
distortion shaders, and other assorted shaders that will hopefully be
useful.

None of these new files are included in the game shader DLL project. If
you need to modify one of these shaders for use in your mod you will
need to rename it so that you don't collide with the version of that
shader that lives in stdshader_dx9.dll.
2013-12-23 15:00:03 -08:00

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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
;------------------------------------------------------------------------------
def c2, 1.0f, 1.0f, 1.0f, 1.0f
tex t0
tex t1
; Blend between white and lightmap color based on total alpha
mul_x2 r1.rgb, c0, t1 ; Apply overbright to lightmap
+ mov_sat r1.a, v0 ; opacity == vertex opacity (no alpha in texture)
lrp r0.rgb, t0.a, c1, r1 ; Blend between self-illum + lightmap
+ mov r0.a, c2.a
lrp r0.rgb, r1.a, r0, c2 ; interpolate between white + color