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24 lines
574 B
24 lines
574 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 c0, 0.299f, 0.587f, 0.114f, 1.0f
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; Get the color from the texture
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tex t0
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; FIXME: This can only be implemented in dx9 (or ps1.4)
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; need to output max( r, g, b ) in all channels
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; Instead, I'm going to do the RGB->YUV conversion
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dp3 r1, c0, t0
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mov r0.rgb, r1.a
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mov r0.a, c0.a
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