mirror of
https://github.com/RetroDECK/Supermodel.git
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71 lines
1.4 KiB
Plaintext
71 lines
1.4 KiB
Plaintext
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vs_3_0
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; parameters
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; c0...c3 world-view-projection matrix
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; c4...c7 world-view matrix
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; c16 sun light vector
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; c17 sun ambient, diffuse intensity
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; input declarations
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dcl_position v0
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dcl_color0 v1
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dcl_texcoord0 v2
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dcl_texcoord1 v3
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dcl_texcoord2 v4
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dcl_normal v5
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dcl_color1 v6
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; output declarations
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dcl_position o0.xyzw
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dcl_color0 o1.xyzw
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dcl_texcoord0 o2.xyzw
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dcl_texcoord1 o3.xyzw
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dcl_texcoord2 o4.xyzw
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dcl_color1 o5.xyzw
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; constants
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def c128, 0.0f, 1.0f, 0.5f, 1.0f
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; transform position to projection space
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;dp4 o0.x, v0, c0
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;dp4 o0.y, v0, c1
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;dp4 o0.z, v0, c2
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;dp4 o0.w, v0, c3
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dp4 r20.x, v0, c0
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dp4 r20.y, v0, c1
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dp4 r20.z, v0, c2
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dp4 r20.w, v0, c3
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mov o0, r20
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; calculate parallel lighting
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m3x3 r4.xyz, v5, c4 ; transform N
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mov r2, -c16
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dp3 r3, r4, r2 ; N dot L
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max r3, r3, c128.xxxx ; clamp negative values to 0
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mul r3, r3, c17.xxxx ; scale with diffuse intensity
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add r3, r3, c17.yyyy ; add ambient intensity
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min r3, r3, c128.yyyy
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if_ne v6.xxxx, c128.xxxx ; if v6.x == 0 -> apply lighting, if v6.x != 0 -> self-luminance
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mov r3.xyz, v6.xxx ; self-luminance
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endif
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mov r3.w, c128.w ; multiply alpha with 1
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mul o1, v1, r3 ; modulate and write color
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;mov o1, r3
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; move texture parameters
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mov r10,v2
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mov r10.w, r20.w
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mov o2, r10
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;mov o2, v2
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mov o3, v3
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mov o4, v4
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; parameters (X=texture enable)
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mov o5.x, v6.g
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