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34 lines
622 B
34 lines
622 B
; Example PICA200 vertex shader |
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; Uniforms |
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.fvec projection[4] |
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; Constants |
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.constf myconst(0.0, 1.0, -1.0, 0.1) |
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.alias ones myconst.yyyy ; Vector full of ones |
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; Outputs |
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.out outpos position |
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.out outclr color |
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; Inputs (defined as aliases for convenience) |
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.alias inpos v0 |
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.alias inclr v1 |
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.proc main |
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; Force the w component of inpos to be 1.0 |
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mov r0.xyz, inpos |
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mov r0.w, ones |
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; outpos = projectionMatrix * inpos |
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dp4 outpos.x, projection[0], r0 |
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dp4 outpos.y, projection[1], r0 |
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dp4 outpos.z, projection[2], r0 |
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dp4 outpos.w, projection[3], r0 |
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; outclr = inclr |
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mov outclr, inclr |
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; We're finished |
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end |
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.end
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