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23
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1 |
vs_3_sw
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2 |
def c3056, 1, 2, 3, 4
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3 |
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4 |
dcl_position v0
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dcl_normal v1
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dcl_normal1 v3
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7 |
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8 |
dcl_color4 o3.x
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9 |
dcl_texcoord3 o3.yz
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10 |
dcl_fog o3.w
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11 |
dcl_tangent o4.xyz
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12 |
dcl_position o7.xyzw
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13 |
dcl_psize o6
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14 |
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15 |
#define oPos o7
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16 |
#define oD0 o3
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17 |
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18 |
def c76, -10.0e5, 2.0e4, 3.3e2, 4.4
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19 |
def c15, 1, 2, 3, 4
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20 |
defi i1, 1, 2, 3,0
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21 |
defb b11, true
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defb b12, false
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23 |
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24 |
if_le v0.x, v1.y
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25 |
nop
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else
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27 |
nop
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28 |
endif
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29 |
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30 |
mova a0.yw, v0.argb
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31 |
loop aL, i1
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32 |
nop
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33 |
break_le v1.x, r0.y
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34 |
breakp !p0.y
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35 |
nop
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36 |
endloop
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37 |
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38 |
; Decompress position
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39 |
mov r0.x, v0.x
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40 |
mov r0.y, c4.w ; 1
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41 |
mov r0.z, v0.y
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42 |
mov r0.w, c4.w ; 1
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43 |
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44 |
setp_ge p0.yz, v1, v1
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45 |
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46 |
callnz l1, b11
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47 |
callnz l1, !p0.w
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48 |
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49 |
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50 |
if !p0.z
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51 |
m3x2 r0.xy, r1, c0 ;which will be expanded to:
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52 |
else
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53 |
nop
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54 |
endif
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55 |
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56 |
call l1
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57 |
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58 |
; Debug code [start]
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ret
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60 |
label l1
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61 |
m3x2 r0.xy, r1, c0 ;which will be expanded to:
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62 |
mov r0, r0.xz
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; Debug code [end]
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64 |
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65 |
; Compute theta from distance and time
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66 |
mov r4.xz, r0 ; xz
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67 |
mov r4.y, c4.y ; y = 0
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68 |
dp3 r4.x, r4, r4 ; d2
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69 |
rsq r4.x, r4.x
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70 |
rcp r4.x, r4.x ; d
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71 |
mul r4.xyz, r4, c4.x ; scale by time
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72 |
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73 |
; Clamp theta to -pi..pi
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74 |
add r4.x, r4.x, c7.x
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75 |
mul r4.x, r4.x, c7.y
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76 |
frc r4.xy, r4.x
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77 |
mul r4.x, r4.x, c7.z
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78 |
add r4.x, r4.x,-c7.x
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79 |
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80 |
; Compute first 4 values in sin and cos series
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81 |
mov r5.x, c4.w ; d^0
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mov r4.x, r4.x ; d^1
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83 |
mul r5.y, r4.x, r4.x ; d^2
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84 |
mul r4.y, r4.x, r5.y ; d^3
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85 |
mul r5.z, r5.y, r5.y ; d^4
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mul r4.z, r4.x, r5.z ; d^5
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mul r5.w, r5.y, r5.z ; d^6
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mul r4.w, r4.x, r5.w ; d^7
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89 |
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90 |
mul r4, r4, c10 ; sin
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dp4 r4.x, r4, c4.w
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92 |
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mul r5, r5, c11 ; cos
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dp4 r5.x, r5, c4.w
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96 |
; Set color
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97 |
add r5.x, -r5.x, c4.w ; + 1.0
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98 |
mul oD0, r5.x, c4.z ; * 0.5
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99 |
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; Scale height
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101 |
mul r0.y, r4.x, c7.w
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102 |
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103 |
; Transform position
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104 |
dp4 oPos.x, r0, c0
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105 |
dp4 oPos.y, r0, c1
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106 |
dp4 oPos.z, r0, c2
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107 |
dp4 oPos.w, r0, c3
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108 |
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109 |
ret
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110 |
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