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28 lines
788 B
28 lines
788 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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; c1 - self-illum tint |
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; c2 - envmap tint |
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;------------------------------------------------------------------------------ |
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tex t0 |
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tex t1 |
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tex t2 |
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tex t3 |
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mul r0.rgb, t0, v0 + ; base times vertex color (with alpha) |
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mov r0.a, v0.a ; Grab alpha from vertex color |
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mul r1, c1, t0.a ; Self illum alpha * tint |
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mad r1, t0, r1, t1 ; Self illum * tint + lightmap |
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mul r0.rgb, r1, r0 ; fold in lighting (color only) |
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mul_x2 r0.rgb, c0, r0 ; * 2 * (overbrightFactor/2) |
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mul r1, t2, t3 ; envmap * envmapmask |
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mad r0.rgb, r1, c2, r0 ; + envmap * envmapmask * envmaptint (color only) |
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