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