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26 lines
693 B
26 lines
693 B
5 years ago
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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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def c1, 1.0f, 1.0f, 1.0f, 1.0f
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tex t0
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tex t1
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tex t2
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mov_x2_sat r0.rgb, t0 + ; r0 = sat( t0 * 2 )
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mul r0.a, t0.a, v0.a ; Grab alpha from vertex color
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lrp_sat r0.rgb, t2.a, r0, c1 ; r0 = B*Da + (1-Da)
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mul r0.rgb, r0, t2 ; modulate by detail color
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mul r0.rgb, r0, v0 ; modulate by vertex color
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mul r0.rgb, t1, r0 ; fold in lightmap (color only)
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mul_x2 r0.rgb, c0, r0 ; * 2 * (overbrightFactor/2)
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