Rev 9237 | Details | Compare with Previous | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 9237 | leency | 1 | ; Bilinear filtering, real Phongs shading and glass like parallel. |
| 2 | ; Thanks to authors of 3dica tutorial. |
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| 3 | ; Implemented in FASM by Maciej Guba. |
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| 4 | ; http://macgub.co.pl |
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| 5 | |||
| 6 | ROUND2 equ 10 |
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| 7 | |||
| 8 | glass_tex_tri: |
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| 9 | ;----Procedure render Phongs shaded triangle with z coord |
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| 10 | ;----interpolation ( Catmull alghoritm ), each pixel is - |
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| 11 | ;----covered by texture using bilinear filtering.-------- |
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| 12 | ;----I normalize normal vector in every pixel ----------- |
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| 13 | ;------------------in - eax - x1 shl 16 + y1 ------------ |
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| 14 | ;---------------------- ebx - x2 shl 16 + y2 ------------ |
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| 15 | ;---------------------- ecx - x3 shl 16 + y3 ------------ |
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| 16 | ;---------------------- esi - pointer to stencil buffer-- |
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| 17 | ;---------------------- filled with dd float variables- |
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| 18 | ;---------------------- edi - pointer to screen buffer--- |
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| 19 | ;---------------------- edx - pointer to texture--------- |
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| 20 | ;---------------------- xmm0 - 1st normal vector -------- |
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| 21 | ;---------------------- xmm1 - 2cond normal vector ------ |
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| 22 | ;---------------------- xmm2 - 3rd normal vector -------- |
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| 23 | ;---------------------- xmm3 - normalized light vector -- |
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| 24 | ;---------------------- xmm4 - lo -> hi z1, z2, z3 coords |
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| 25 | ;---------------------- as dwords floats --------------- |
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| 26 | ;---------------------- xmm5 - lo -> hi y_min, y_max, --- |
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| 27 | ;---------------------- x_min, x_max as dword integers - |
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| 28 | ;---------------------- xmm6 - lo -> hi tx1, ty1, tx2, -- |
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| 29 | ;---------------------- ty2, tx3, ty3 as word, xres as-- |
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| 30 | ;---------------------- dword integers------------------ |
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| 31 | ;---------------------- stack - no parameters ----------- |
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| 32 | ;-------------------------------------------------------- |
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| 33 | ;----------------- procedure don't save registers !! ---- |
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| 34 | |||
| 35 | |||
| 36 | |||
| 37 | |||
| 38 | push ebp |
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| 39 | mov ebp,esp |
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| 40 | sub esp,512 |
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| 41 | sub ebp,16 |
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| 42 | and ebp,0xfffffff0 |
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| 43 | |||
| 44 | .1_nv equ [ebp-16] |
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| 45 | .2_nv equ [ebp-32] |
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| 46 | .3_nv equ [ebp-48] |
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| 47 | .l_v equ [ebp-64] |
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| 48 | .z3 equ [ebp-72] |
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| 49 | .z2 equ [ebp-76] |
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| 50 | .z1 equ [ebp-80] |
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| 51 | .x1 equ [ebp-82] |
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| 52 | .y1 equ [ebp-84] |
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| 53 | .x2 equ [ebp-86] |
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| 54 | .y2 equ [ebp-88] |
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| 55 | .x3 equ [ebp-90] |
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| 56 | .y3 equ [ebp-92] |
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| 57 | .Zbuf equ [ebp-96] |
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| 58 | .x_max equ [ebp-100] |
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| 59 | .x_min equ [ebp-104] |
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| 60 | .y_max equ [ebp-108] |
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| 61 | .y_min equ [ebp-112] |
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| 62 | .screen equ [ebp-116] |
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| 63 | .dx12 equ [ebp-120] |
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| 64 | .dx13 equ [ebp-124] |
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| 65 | .dx23 equ [ebp-128] |
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| 66 | .dn12 equ [ebp-144] |
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| 67 | .dn13 equ [ebp-160] |
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| 68 | .dn23 equ [ebp-176] |
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| 69 | |||
| 70 | .cnv1 equ [ebp-192] ; cur normal vectors |
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| 71 | .cnv2 equ [ebp-208] |
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| 72 | .x_res equ [ebp-212] |
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| 73 | .ty3 equ [ebp-214] |
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| 74 | .tx3 equ [ebp-216] |
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| 75 | .ty2 equ [ebp-218] |
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| 76 | .tx2 equ [ebp-220] |
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| 77 | .ty1 equ [ebp-222] |
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| 78 | .tx1 equ [ebp-224] |
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| 79 | .dz12 equ [ebp-232] |
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| 80 | .dty12 equ [ebp-236] |
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| 81 | .dtx12 equ [ebp-240] |
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| 82 | .dz13 equ [ebp-248] |
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| 83 | .dty13 equ [ebp-252] |
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| 84 | .dtx13 equ [ebp-256] |
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| 85 | .dz23 equ [ebp-264] |
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| 86 | .dty23 equ [ebp-268] |
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| 87 | .dtx23 equ [ebp-272] |
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| 88 | .cz1 equ [ebp-280] |
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| 89 | .cty1 equ [ebp-284] |
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| 90 | .ctx1 equ [ebp-288] |
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| 91 | .cz2 equ [ebp-296] |
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| 92 | .cty2 equ [ebp-300] |
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| 93 | .ctx2 equ [ebp-304] |
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| 94 | .tx_ptr equ [ebp-308] |
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| 95 | |||
| 96 | |||
| 97 | emms |
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| 98 | ; movd .x_res,xmm7 |
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| 99 | .sort3: ; sort triangle coordinates... |
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| 100 | cmp ax,bx |
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| 101 | jle .sort1 |
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| 102 | xchg eax,ebx |
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| 103 | shufps xmm4,xmm4,11100001b |
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| 104 | shufps xmm6,xmm6,11100001b |
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| 105 | movaps xmm7,xmm0 |
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| 106 | movaps xmm0,xmm1 |
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| 107 | movaps xmm1,xmm7 |
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| 108 | |||
| 109 | |||
| 110 | .sort1: |
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| 111 | cmp bx,cx |
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| 112 | jle .sort2 |
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| 113 | xchg ebx,ecx |
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| 114 | shufps xmm4,xmm4,11011000b |
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| 115 | shufps xmm6,xmm6,11011000b |
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| 116 | movaps xmm7,xmm1 |
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| 117 | movaps xmm1,xmm2 |
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| 118 | movaps xmm2,xmm7 |
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| 119 | |||
| 120 | jmp .sort3 |
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| 121 | |||
| 122 | .sort2: |
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| 123 | ; movq .tx1,xmm6 |
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| 124 | ; pshufd xmm6,xmm6,01001110b |
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| 125 | ; movd .tx3,xmm6 |
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| 126 | movaps .tx1,xmm6 |
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| 127 | movaps .z1,xmm4 |
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| 128 | mov .y1,eax |
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| 129 | mov .y2,ebx |
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| 130 | mov .y3,ecx |
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| 131 | |||
| 132 | movdqa .y_min,xmm5 |
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| 133 | if 1 ; check if at last only fragment |
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| 134 | packssdw xmm5,xmm5 ; of triangle is in visable area |
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| 135 | pshuflw xmm5,xmm5,11011000b |
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| 136 | movdqu xmm7,.y3 |
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| 137 | movdqa xmm6,xmm5 |
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| 138 | pshufd xmm5,xmm5,0 ; xmm5 lo-hi -> broadcasted y_min, x_min |
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| 139 | pshufd xmm6,xmm6,01010101b ;xmm6 -> brd y_max x_max |
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| 140 | movdqa xmm4,xmm7 |
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| 141 | pcmpgtw xmm7,xmm5 |
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| 142 | pcmpgtw xmm4,xmm6 |
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| 143 | pxor xmm7,xmm4 |
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| 144 | pmovmskb eax,xmm7 |
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| 145 | and eax,0x00aaaaaa |
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| 146 | or eax,eax |
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| 147 | jz .rpt_loop2_end |
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| 148 | end if |
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| 149 | movaps .1_nv,xmm0 |
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| 150 | movaps .2_nv,xmm1 |
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| 151 | movaps .3_nv,xmm2 |
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| 152 | movaps .l_v,xmm3 |
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| 153 | mov .Zbuf,esi |
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| 154 | mov .screen,edi |
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| 155 | mov .tx_ptr,edx |
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| 156 | |||
| 157 | |||
| 158 | |||
| 159 | mov bx,.y2 ; calc deltas |
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| 160 | sub bx,.y1 |
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| 161 | jnz .rpt_dx12_make |
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| 162 | |||
| 163 | xorps xmm7,xmm7 |
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| 164 | mov dword .dx12,0 |
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| 165 | movaps .dtx12,xmm7 |
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| 166 | movaps .dn12,xmm7 |
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| 167 | jmp .rpt_dx12_done |
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| 168 | |||
| 169 | .rpt_dx12_make: |
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| 170 | mov ax,.x2 |
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| 171 | sub ax,.x1 |
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| 172 | cwde |
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| 173 | movsx ebx,bx |
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| 174 | shl eax,ROUND2 |
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| 175 | cdq |
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| 176 | idiv ebx |
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| 177 | mov .dx12,eax |
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| 178 | |||
| 179 | cvtsi2ss xmm6,ebx |
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| 180 | shufps xmm6,xmm6,0 |
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| 181 | movss xmm5,.z2 |
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| 182 | subss xmm5,.z1 |
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| 183 | divss xmm5,xmm6 |
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| 184 | movss .dz12,xmm5 |
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| 185 | |||
| 186 | movd xmm0,.tx1 |
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| 187 | movd xmm2,.tx2 |
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| 188 | pxor xmm1,xmm1 |
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| 189 | punpcklwd xmm0,xmm1 |
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| 190 | punpcklwd xmm2,xmm1 |
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| 191 | psubd xmm2,xmm0 |
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| 192 | ; cvtdq2ps xmm0,xmm0 |
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| 193 | cvtdq2ps xmm2,xmm2 |
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| 194 | ; movlps .ctx1,xmm0 |
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| 195 | ; movlps .ctx2,xmm2 |
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| 196 | ; subps xmm2,xmm0 |
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| 197 | divps xmm2,xmm6 |
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| 198 | movlps .dtx12,xmm2 |
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| 199 | |||
| 200 | movaps xmm0,.2_nv |
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| 201 | subps xmm0,.1_nv |
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| 202 | divps xmm0,xmm6 |
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| 203 | movaps .dn12,xmm0 |
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| 204 | |||
| 205 | |||
| 206 | .rpt_dx12_done: |
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| 207 | |||
| 208 | mov bx,.y3 ; calc deltas |
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| 209 | sub bx,.y1 |
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| 210 | jnz .rpt_dx13_make |
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| 211 | |||
| 212 | xorps xmm7,xmm7 |
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| 213 | mov dword .dx13,0 |
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| 214 | movaps .dtx13,xmm7 |
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| 215 | movaps .dn13,xmm7 |
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| 216 | jmp .rpt_dx13_done |
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| 217 | |||
| 218 | .rpt_dx13_make: |
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| 219 | mov ax,.x3 |
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| 220 | sub ax,.x1 |
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| 221 | cwde |
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| 222 | movsx ebx,bx |
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| 223 | shl eax,ROUND2 |
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| 224 | cdq |
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| 225 | idiv ebx |
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| 226 | mov .dx13,eax |
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| 227 | |||
| 228 | |||
| 229 | cvtsi2ss xmm6,ebx |
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| 230 | shufps xmm6,xmm6,0 |
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| 231 | |||
| 232 | movss xmm5,.z3 |
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| 233 | subss xmm5,.z1 |
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| 234 | divss xmm5,xmm6 |
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| 235 | movss .dz13,xmm5 |
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| 236 | |||
| 237 | movd xmm0,.tx1 |
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| 238 | movd xmm2,.tx3 |
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| 239 | pxor xmm1,xmm1 |
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| 240 | punpcklwd xmm0,xmm1 |
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| 241 | punpcklwd xmm2,xmm1 |
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| 242 | psubd xmm2,xmm0 |
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| 243 | ; cvtdq2ps xmm0,xmm0 |
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| 244 | cvtdq2ps xmm2,xmm2 |
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| 245 | ; subps xmm2,xmm0 |
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| 246 | divps xmm2,xmm6 |
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| 247 | movlps .dtx13,xmm2 |
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| 248 | |||
| 249 | |||
| 250 | |||
| 251 | movaps xmm0,.3_nv |
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| 252 | subps xmm0,.1_nv |
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| 253 | divps xmm0,xmm6 |
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| 254 | movaps .dn13,xmm0 |
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| 255 | |||
| 256 | .rpt_dx13_done: |
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| 257 | |||
| 258 | mov bx,.y3 ; calc deltas |
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| 259 | sub bx,.y2 |
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| 260 | jnz .rpt_dx23_make |
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| 261 | |||
| 262 | xorps xmm7,xmm7 |
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| 263 | mov dword .dx23,0 |
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| 264 | movaps .dtx23,xmm7 |
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| 265 | movaps .dn23,xmm7 |
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| 266 | jmp .rpt_dx23_done |
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| 267 | |||
| 268 | .rpt_dx23_make: |
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| 269 | mov ax,.x3 |
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| 270 | sub ax,.x2 |
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| 271 | cwde |
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| 272 | movsx ebx,bx |
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| 273 | shl eax,ROUND2 |
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| 274 | cdq |
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| 275 | idiv ebx |
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| 276 | mov .dx23,eax |
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| 277 | |||
| 278 | cvtsi2ss xmm6,ebx |
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| 279 | shufps xmm6,xmm6,0 |
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| 280 | movss xmm5,.z3 |
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| 281 | subss xmm5,.z2 |
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| 282 | divss xmm5,xmm6 |
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| 283 | movss .dz23,xmm5 |
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| 284 | |||
| 285 | movd xmm0,.tx2 |
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| 286 | movd xmm2,.tx3 |
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| 287 | pxor xmm1,xmm1 |
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| 288 | punpcklwd xmm0,xmm1 |
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| 289 | punpcklwd xmm2,xmm1 |
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| 290 | psubd xmm2,xmm0 |
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| 291 | ; cvtdq2ps xmm0,xmm0 |
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| 292 | cvtdq2ps xmm2,xmm2 |
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| 293 | ; movlps .ctx1,xmm0 |
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| 294 | ; movlps .ctx2,xmm2 |
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| 295 | ; subps xmm2,xmm0 |
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| 296 | divps xmm2,xmm6 |
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| 297 | movlps .dtx23,xmm2 |
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| 298 | |||
| 299 | |||
| 300 | |||
| 301 | |||
| 302 | movaps xmm0,.3_nv |
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| 303 | subps xmm0,.2_nv |
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| 304 | divps xmm0,xmm6 |
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| 305 | movaps .dn23,xmm0 |
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| 306 | |||
| 307 | .rpt_dx23_done: |
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| 308 | |||
| 309 | movsx eax,word .x1 |
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| 310 | shl eax,ROUND2 |
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| 311 | mov ebx,eax |
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| 312 | mov edx,.z1 |
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| 313 | movd xmm1,.tx1 |
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| 314 | pxor xmm2,xmm2 |
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| 315 | punpcklwd xmm1,xmm2 |
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| 316 | cvtdq2ps xmm1,xmm1 |
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| 317 | |||
| 318 | mov .cz1,edx |
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| 319 | mov .cz2,edx |
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| 320 | movaps xmm0,.1_nv |
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| 321 | movlps .ctx1,xmm1 |
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| 322 | movlps .ctx2,xmm1 |
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| 323 | movaps .cnv1,xmm0 |
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| 324 | movaps .cnv2,xmm0 |
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| 325 | |||
| 326 | ; mov edx,.dx13 |
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| 327 | ; cmp edx,.dx12 |
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| 328 | ; jg .second_cause |
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| 329 | |||
| 330 | movsx ecx,word .y1 |
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| 331 | cmp cx,.y2 |
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| 332 | |||
| 333 | jge .rpt_loop1_end |
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| 334 | |||
| 335 | .rpt_loop1: |
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| 336 | pushad |
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| 337 | |||
| 338 | movaps xmm2,.y_min |
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| 339 | movaps xmm0,.cnv1 |
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| 340 | movaps xmm1,.cnv2 |
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| 341 | ; movlps xmm3,.cz1 ; cz1, cz2 both |
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| 342 | movaps xmm3,.ctx1 |
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| 343 | movaps xmm5,.ctx2 |
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| 344 | movaps xmm4,.l_v |
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| 345 | movd xmm6,.x_res |
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| 346 | sar ebx,ROUND2 |
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| 347 | sar eax,ROUND2 |
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| 348 | mov edx,.tx_ptr |
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| 349 | mov edi,.screen |
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| 350 | |||
| 351 | mov esi,.Zbuf |
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| 352 | |||
| 353 | call glass_tex_line |
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| 354 | |||
| 355 | popad |
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| 356 | movaps xmm0,.cnv1 |
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| 357 | movaps xmm1,.cnv2 |
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| 358 | ; movss xmm2,.cz1 |
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| 359 | ; movss xmm3,.cz2 |
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| 360 | movaps xmm2,.ctx1 |
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| 361 | movaps xmm3,.ctx2 |
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| 362 | addps xmm0,.dn13 |
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| 363 | addps xmm1,.dn12 |
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| 364 | addps xmm2,.dtx13 |
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| 365 | addps xmm3,.dtx12 |
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| 366 | add eax,.dx13 |
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| 367 | add ebx,.dx12 |
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| 368 | |||
| 369 | movaps .cnv1,xmm0 |
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| 370 | movaps .cnv2,xmm1 |
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| 371 | ; movss .cz1,xmm2 |
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| 372 | ; movss .cz2,xmm3 |
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| 373 | movaps .ctx1,xmm2 |
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| 374 | movaps .ctx2,xmm3 |
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| 375 | add ecx,1 |
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| 376 | cmp cx,.y2 |
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| 377 | jl .rpt_loop1 |
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| 378 | |||
| 379 | |||
| 380 | ; jmp .rpt_loop2_end |
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| 381 | |||
| 382 | |||
| 383 | .rpt_loop1_end: |
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| 384 | movsx ecx,word .y2 |
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| 385 | cmp cx,.y3 |
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| 386 | jge .rpt_loop2_end |
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| 387 | |||
| 388 | movsx ebx,word .x2 ; eax - cur x1 |
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| 389 | shl ebx,ROUND2 ; ebx - cur x2 |
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| 390 | push dword .z2 |
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| 391 | pop dword .cz2 |
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| 392 | movd xmm1,.tx2 |
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| 393 | pxor xmm2,xmm2 |
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| 394 | punpcklwd xmm1,xmm2 |
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| 395 | cvtdq2ps xmm1,xmm1 |
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| 396 | movlps .ctx2,xmm1 |
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| 397 | movaps xmm0,.2_nv |
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| 398 | movaps .cnv2,xmm0 |
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| 399 | |||
| 400 | |||
| 401 | .rpt_loop2: |
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| 402 | pushad |
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| 403 | |||
| 404 | movaps xmm2,.y_min |
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| 405 | movaps xmm0,.cnv1 |
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| 406 | movaps xmm1,.cnv2 |
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| 407 | movaps xmm3,.ctx1 |
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| 408 | movaps xmm5,.ctx2 |
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| 409 | movaps xmm4,.l_v |
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| 410 | sar ebx,ROUND2 |
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| 411 | sar eax,ROUND2 |
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| 412 | mov edx,.tx_ptr |
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| 413 | mov edi,.screen |
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| 414 | mov esi,.Zbuf |
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| 415 | movd xmm6,.x_res |
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| 416 | call glass_tex_line |
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| 417 | |||
| 418 | popad |
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| 419 | movaps xmm0,.cnv1 |
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| 420 | movaps xmm1,.cnv2 |
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| 421 | ; movss xmm2,.cz1 |
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| 422 | ; movss xmm3,.cz2 |
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| 423 | movaps xmm2,.ctx1 |
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| 424 | movaps xmm3,.ctx2 |
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| 425 | addps xmm0,.dn13 |
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| 426 | addps xmm1,.dn23 |
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| 427 | ; addss xmm2,.dz13 |
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| 428 | ; addss xmm3,.dz23 |
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| 429 | addps xmm2,.dtx13 |
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| 430 | addps xmm3,.dtx23 |
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| 431 | |||
| 432 | add eax,.dx13 |
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| 433 | add ebx,.dx23 |
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| 434 | |||
| 435 | movaps .cnv1,xmm0 |
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| 436 | movaps .cnv2,xmm1 |
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| 437 | movaps .ctx1,xmm2 |
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| 438 | movaps .ctx2,xmm3 |
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| 439 | |||
| 440 | ; movss .cz1,xmm2 |
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| 441 | ; movss .cz2,xmm3 |
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| 442 | |||
| 443 | add ecx,1 |
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| 444 | cmp cx,.y3 |
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| 445 | jl .rpt_loop2 |
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| 446 | |||
| 447 | .second_cause: ;dx13 > dx12 |
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| 448 | |||
| 449 | .rpt_loop2_end: |
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| 450 | |||
| 451 | add esp,512 |
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| 452 | pop ebp |
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| 453 | |||
| 454 | ret |
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| 9740 | macgub | 455 | |
| 9237 | leency | 456 | glass_tex_line: |
| 457 | ; in: |
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| 458 | ; xmm0 - normal vector 1 |
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| 459 | ; xmm1 - normal vect 2 |
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| 460 | ; xmm3 - lo -> hi tx1, ty1, z1 coords as dwords float |
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| 461 | ; xmm5 - lo -> hi tx2, ty2, z2 coords as dwords float |
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| 462 | ; xmm2 - lo -> hi y_min, y_max, x_min, x_max |
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| 463 | ; as dword integers |
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| 464 | ; xmm4 - normalized light vector |
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| 465 | ; eax - x1 |
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| 466 | ; ebx - x2 |
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| 467 | ; ecx - y |
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| 468 | ; edi - screen buffer |
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| 469 | ; esi - stencil buffer filled with dd floats |
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| 470 | ; edx - texture pointer (handle) |
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| 471 | ; xmm6 - lowest dword x_res as integer |
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| 472 | |||
| 473 | push ebp |
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| 474 | mov ebp,esp |
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| 475 | sub esp,350 |
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| 476 | sub ebp,16 |
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| 477 | and ebp,0xfffffff0 |
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| 478 | |||
| 479 | .n1 equ [ebp-16] |
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| 480 | .n2 equ [ebp-32] |
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| 481 | .lv equ [ebp-48] |
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| 482 | .lx1 equ [ebp-52] |
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| 483 | .lx2 equ [ebp-56] |
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| 484 | ; .z2 equ [ebp-60] |
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| 485 | ; .z1 equ [ebp-64] |
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| 486 | .screen equ [ebp-68] |
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| 487 | .zbuff equ [ebp-72] |
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| 488 | .x_max equ [ebp-74] |
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| 489 | .x_min equ [ebp-76] |
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| 490 | .y_max equ [ebp-78] |
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| 491 | .y_min equ [ebp-80] |
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| 492 | .dn equ [ebp-96] |
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| 493 | .x_res equ [ebp-100] |
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| 494 | .y equ [ebp-104] |
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| 495 | .cnv equ [ebp-128] |
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| 496 | .z1 equ [ebp-136] |
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| 497 | .ty1 equ [ebp-140] |
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| 498 | .tx1 equ [ebp-144] |
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| 499 | .z2 equ [ebp-152] |
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| 500 | .ty2 equ [ebp-156] |
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| 501 | .tx2 equ [ebp-160] |
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| 502 | .cz equ [ebp-168] |
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| 503 | .cty equ [ebp-172] |
||
| 504 | .ctx equ [ebp-176] |
||
| 505 | .dz equ [ebp-184] |
||
| 506 | .dty equ [ebp-188] |
||
| 507 | .dtx equ [ebp-192] |
||
| 508 | .yd equ [ebp-196] |
||
| 509 | .xd equ [ebp-200] |
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| 510 | .yf equ [ebp-204] |
||
| 511 | .xf equ [ebp-208] |
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| 512 | .w4 equ [ebp-212] |
||
| 513 | .w3 equ [ebp-216] |
||
| 514 | .w2 equ [ebp-220] |
||
| 515 | .w1 equ [ebp-224] |
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| 516 | .p4 equ [ebp-228] |
||
| 517 | .p3 equ [ebp-232] |
||
| 518 | .p2 equ [ebp-236] |
||
| 519 | .p1 equ [ebp-240] |
||
| 520 | |||
| 521 | |||
| 522 | .tx_ptr equ [ebp-244] |
||
| 523 | |||
| 524 | ; movaps xmm7,xmm3 |
||
| 525 | ; movaps xmm3,xmm5 |
||
| 526 | ; movaps xmm5,xmm7 |
||
| 527 | |||
| 528 | |||
| 529 | mov .y,ecx |
||
| 530 | packssdw xmm2,xmm2 |
||
| 531 | ; movaps xmm7,xmm2 |
||
| 532 | ; movhps xmm2,[the_zero] |
||
| 533 | ; pshuflw xmm2,xmm2,11111000b |
||
| 534 | ; pshufd xmm2,xmm2,11111100b |
||
| 535 | ; movlps xmm7,[the_zero] |
||
| 536 | ; pshufhw xmm7,xmm7,11111111b |
||
| 537 | ; movlps xmm7,[the_zero] |
||
| 538 | ; psrldq xmm7,4 |
||
| 539 | ; por xmm2,xmm7 |
||
| 540 | movq .y_min,xmm2 |
||
| 541 | cmp cx,.y_min |
||
| 542 | jl .end_line |
||
| 543 | cmp cx,.y_max |
||
| 544 | jge .end_line ; |
||
| 545 | |||
| 546 | cmp eax,ebx |
||
| 547 | je .end_line |
||
| 548 | jl @f |
||
| 549 | xchg eax,ebx |
||
| 550 | movaps xmm7,xmm0 |
||
| 551 | movaps xmm0,xmm1 |
||
| 552 | movaps xmm1,xmm7 |
||
| 553 | movaps xmm7,xmm3 |
||
| 554 | movaps xmm3,xmm5 |
||
| 555 | movaps xmm5,xmm7 |
||
| 556 | @@: |
||
| 557 | |||
| 558 | cmp ax,.x_max |
||
| 559 | jge .end_line |
||
| 560 | cmp bx,.x_min |
||
| 561 | jle .end_line |
||
| 562 | movaps .lv,xmm4 |
||
| 563 | movaps .n1,xmm0 |
||
| 564 | movaps .n2,xmm1 |
||
| 565 | mov .lx1,eax |
||
| 566 | mov .lx2,ebx |
||
| 567 | movaps .tx1,xmm3 |
||
| 568 | movaps .tx2,xmm5 |
||
| 569 | movd .x_res,xmm6 |
||
| 570 | mov .tx_ptr,edx |
||
| 571 | sub ebx,eax |
||
| 572 | cvtsi2ss xmm7,ebx |
||
| 573 | shufps xmm7,xmm7,0 |
||
| 574 | subps xmm1,xmm0 |
||
| 575 | divps xmm1,xmm7 |
||
| 576 | movaps .dn,xmm1 |
||
| 577 | subps xmm5,xmm3 |
||
| 578 | divps xmm5,xmm7 |
||
| 579 | movaps .dtx,xmm5 |
||
| 580 | |||
| 581 | |||
| 582 | |||
| 583 | mov ebx,.lx1 |
||
| 584 | cmp bx,.x_min ; clipping on function4 |
||
| 585 | jge @f |
||
| 586 | movzx eax,word .x_min |
||
| 587 | sub eax,ebx |
||
| 588 | cvtsi2ss xmm7,eax |
||
| 589 | shufps xmm7,xmm7,0 |
||
| 590 | mulps xmm5,xmm7 |
||
| 591 | mulps xmm1,xmm7 |
||
| 592 | addps xmm5,.tx1 |
||
| 593 | addps xmm1,.n1 |
||
| 594 | movsx eax,word .x_min |
||
| 595 | movaps .tx1,xmm5 |
||
| 596 | movaps .n1,xmm1 |
||
| 597 | mov dword .lx1,eax |
||
| 598 | |||
| 599 | @@: |
||
| 600 | movzx eax,word .x_max |
||
| 601 | cmp .lx2,eax |
||
| 602 | jl @f |
||
| 603 | mov .lx2,eax |
||
| 604 | @@: |
||
| 605 | mov eax,.x_res |
||
| 606 | mul dword .y |
||
| 607 | add eax,.lx1 |
||
| 608 | shl eax,2 |
||
| 609 | add edi,eax |
||
| 610 | add esi,eax |
||
| 611 | |||
| 612 | mov ecx,.lx2 |
||
| 613 | sub ecx,.lx1 |
||
| 614 | ; movaps xmm0,.n1 |
||
| 615 | movaps xmm2,.tx1 |
||
| 616 | ; xorps xmm1,xmm1 |
||
| 617 | align 16 |
||
| 618 | .ddraw: |
||
| 619 | ; movhlps xmm7,xmm2 |
||
| 620 | ; cmpnltss xmm7,dword[esi] |
||
| 621 | ; movd eax,xmm7 |
||
| 622 | ; or eax,eax |
||
| 623 | ; jnz .skip |
||
| 624 | xorps xmm5,xmm5 |
||
| 625 | ; movhlps xmm7,xmm2 |
||
| 626 | ; movss [esi],xmm7 |
||
| 627 | movaps xmm7,.n1 ;xmm0 |
||
| 628 | mulps xmm7,xmm7 ; normalize |
||
| 629 | haddps xmm7,xmm7 |
||
| 630 | haddps xmm7,xmm7 |
||
| 631 | rsqrtps xmm7,xmm7 |
||
| 632 | mulps xmm7,.n1 ;xmm0 |
||
| 633 | ; andps xmm7,[abs_z_coof] |
||
| 634 | movaps .cnv,xmm7 |
||
| 635 | |||
| 636 | movaps xmm6,xmm2 |
||
| 637 | minps xmm6,[tex_m2] ; float TEX_X-2,TEX_Y-2 |
||
| 638 | cvttps2dq xmm7,xmm6 |
||
| 639 | cvtdq2ps xmm4,xmm7 |
||
| 640 | subps xmm6,xmm4 |
||
| 641 | movlps .xf,xmm6 |
||
| 642 | ; movaps xmm5,.lv |
||
| 643 | mov eax,lights_aligned ; global |
||
| 644 | align 16 |
||
| 645 | .again_col: |
||
| 646 | movaps xmm0,[eax] ; calc multple lights |
||
| 647 | mulps xmm0,.cnv ;.lv ; last dword should be zeroed |
||
| 648 | haddps xmm0,xmm0 |
||
| 649 | haddps xmm0,xmm0 |
||
| 650 | ; andps xmm0,[abs_val] ;calc absolute value |
||
| 651 | if 1 |
||
| 652 | ; stencil |
||
| 653 | movhlps xmm6,xmm2 |
||
| 654 | movhlps xmm4,xmm2 |
||
| 655 | addss xmm6,[aprox] |
||
| 656 | subss xmm4,[aprox] |
||
| 657 | cmpnltss xmm6,dword[esi] |
||
| 658 | cmpnltss xmm4,dword[esi] |
||
| 659 | xorps xmm6,xmm4 |
||
| 660 | xorps xmm4,xmm4 |
||
| 661 | movd ebx,xmm6 |
||
| 662 | cmp ebx,-1 |
||
| 663 | jne .no_reflective |
||
| 664 | end if |
||
| 665 | movaps xmm4,xmm0 |
||
| 666 | mulps xmm4,xmm4 |
||
| 667 | mulps xmm4,xmm4 |
||
| 668 | mulps xmm4,xmm4 |
||
| 669 | mulps xmm4,xmm4 |
||
| 670 | mulps xmm4,[eax+48] |
||
| 671 | |||
| 672 | .no_reflective: |
||
| 673 | maxps xmm0,[the_zero] |
||
| 674 | ; movaps xmm1,xmm0 |
||
| 675 | mulps xmm0,[eax+16] |
||
| 676 | addps xmm4,xmm0 |
||
| 677 | addps xmm4,[eax+32] |
||
| 678 | maxps xmm5,xmm4 |
||
| 679 | add eax,64 |
||
| 680 | cmp eax,lights_aligned_end |
||
| 681 | jnz .again_col |
||
| 682 | minps xmm5,[mask_255f] |
||
| 683 | |||
| 684 | ; texture coords work |
||
| 685 | movd eax,xmm7 |
||
| 686 | psrldq xmm7,4 |
||
| 687 | movd ebx,xmm7 |
||
| 688 | shl ebx,TEX_SHIFT |
||
| 689 | add eax,ebx |
||
| 690 | lea eax,[eax*3] |
||
| 691 | add eax,.tx_ptr |
||
| 692 | mov ebx,eax |
||
| 693 | add ebx,TEX_X*3 |
||
| 694 | movd xmm7,[eax] |
||
| 695 | movd xmm6,[eax+3] |
||
| 696 | movd xmm4,[ebx] |
||
| 697 | movd xmm3,[ebx+3] |
||
| 698 | punpcklbw xmm7,xmm6 ;xmm7 r1 r2 g1 g2 b1 b2 |
||
| 699 | punpcklbw xmm4,xmm3 ;xmm4 r3 r4 g3 g4 b3 b4 |
||
| 700 | punpcklwd xmm7,xmm4 ;xmm7 r1 r2 r3 r4 g1 g2 g3 g4 ... |
||
| 701 | movdqa xmm6,xmm7 |
||
| 702 | movdqa xmm4,xmm7 |
||
| 703 | psrldq xmm6,4 |
||
| 704 | psrldq xmm4,8 |
||
| 705 | |||
| 706 | punpcklbw xmm7,[the_zero] ; broadcasted 0 |
||
| 707 | punpcklbw xmm6,[the_zero] |
||
| 708 | punpcklbw xmm4,[the_zero] |
||
| 709 | punpcklwd xmm7,[the_zero] |
||
| 710 | punpcklwd xmm6,[the_zero] |
||
| 711 | punpcklwd xmm4,[the_zero] |
||
| 712 | |||
| 713 | |||
| 714 | ; calc w ......... |
||
| 715 | movlps xmm3,[the_one] ; broadcasted dword 1.0 |
||
| 716 | cvtdq2ps xmm7,xmm7 |
||
| 717 | subps xmm3,.xf |
||
| 718 | cvtdq2ps xmm6,xmm6 |
||
| 719 | movhps xmm3,.xf |
||
| 720 | cvtdq2ps xmm4,xmm4 |
||
| 721 | movaps xmm1,xmm3 ; 1-xf, 1-yf, xf, yf |
||
| 722 | shufps xmm3,xmm3,10001000b |
||
| 723 | shufps xmm1,xmm1,11110101b |
||
| 724 | mulps xmm3,xmm1 |
||
| 725 | |||
| 726 | mulps xmm7,xmm3 |
||
| 727 | mulps xmm6,xmm3 |
||
| 728 | mulps xmm4,xmm3 |
||
| 729 | haddps xmm7,xmm7 ; r |
||
| 730 | haddps xmm6,xmm6 ; g |
||
| 731 | haddps xmm4,xmm4 ; b |
||
| 732 | haddps xmm7,xmm7 ; r |
||
| 733 | haddps xmm6,xmm6 ; g |
||
| 734 | haddps xmm4,xmm4 ; b |
||
| 735 | movlhps xmm7,xmm6 |
||
| 736 | shufps xmm7,xmm7,11101000b |
||
| 737 | movlhps xmm7,xmm4 |
||
| 738 | |||
| 739 | mulps xmm5,xmm7 |
||
| 740 | cvtps2dq xmm5,xmm5 |
||
| 741 | psrld xmm5,8 |
||
| 742 | movd xmm6,[edi] |
||
| 743 | packssdw xmm5,xmm5 |
||
| 744 | packuswb xmm5,xmm5 |
||
| 745 | paddusb xmm5,xmm6 |
||
| 746 | movd [edi],xmm5 |
||
| 747 | .skip: |
||
| 748 | add edi,4 |
||
| 749 | add esi,4 |
||
| 750 | movaps xmm0,.n1 ; cur normal |
||
| 751 | addps xmm0,.dn |
||
| 752 | addps xmm2,.dtx |
||
| 753 | movaps .n1,xmm0 |
||
| 754 | sub ecx,1 |
||
| 755 | jnz .ddraw |
||
| 756 | |||
| 757 | .end_line: |
||
| 758 | add esp,350 |
||
| 759 | pop ebp |
||
| 760 | |||
| 761 | ret |