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52 lines
1013 B
Plaintext
52 lines
1013 B
Plaintext
.gsh
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.entry main_gsh
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; Constants
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.constf _01N1 (0.0, 1.0, -1.0, 1.0)
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.alias _0000 _01N1.xxxx
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.alias _1111 _01N1.yyyy
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.alias _0101 _01N1.xyxy
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.alias _N1N1 _01N1.zwzw
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; Inputs
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.alias sprite_coords v0
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.alias tex_size v1
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.alias top_left sprite_coords.xyxy
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.alias bottom_right sprite_coords.zwzw
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; Outputs
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.out pos position
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.out texcoord texcoord0
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.proc main_gsh
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setemit 0
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mov pos.xy, top_left.xy
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mov pos.zw, _N1N1
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mov texcoord.xy, tex_size.xy
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emit
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setemit 1
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mov pos.x, top_left.x
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mov pos.y, bottom_right.y
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mov pos.zw, _N1N1
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mov texcoord.x, tex_size.z
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mov texcoord.y, tex_size.y
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emit
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setemit 2, prim inv
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mov pos.xy, bottom_right.xy
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mov pos.zw, _N1N1
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mov texcoord.xy, tex_size.zw
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emit
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setemit 1, prim
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mov pos.x, bottom_right.x
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mov pos.y, top_left.y
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mov pos.zw, _N1N1
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mov texcoord.x, tex_size.x
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mov texcoord.y, tex_size.w
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emit
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end
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.end
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