mirror of
https://github.com/alliedmodders/hl2sdk.git
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21 lines
664 B
Plaintext
21 lines
664 B
Plaintext
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ps.1.1
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;------------------------------------------------------------------------------
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; Draw a texture . . woo hoo!
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; t0 - texture
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;
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; The texture coordinates need to be defined as follows:
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; tc0 - texcoords
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;------------------------------------------------------------------------------
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tex t0 ; base color
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texcoord t1
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mul r0.rgb, t0_bx2.rgb, c0.rgb + ; Add the refract amount (c0) into the dudv
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mov r0.a, t1.a
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add_d2 r0.rgb, r0.rgb, c1.rgb ; Rescale back to 0-1
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mov_d2 r0.rgb, r0_sat.rgb ; Scale to 0-0.5
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mul r0.rgb, r0.rgb, c2 ; Filter out red channel
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mad r0.rgb, t1.rgb, c3, r0.rgb ; Red channel contains refracttint monochrome
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