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Rev | Author | Line No. | Line |
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1245 | hidnplayr | 1 | ;SIZE_X equ 350 |
2 | ;SIZE_Y equ 350 |
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3 | ROUND equ 8 |
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4 | ;TEX_X equ 512 |
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5 | ;TEX_Y equ 512 |
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6 | ;TEXTURE_SIZE EQU (512*512)-1 |
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7 | ;TEX_SHIFT EQU 9 |
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8 | CATMULL_SHIFT equ 8 |
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9 | ;TEXTURE_SIZE EQU (TEX_X * TEX_Y)-1 |
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10 | ;Ext = NON |
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11 | ;MMX = 1 |
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12 | ;NON = 0 |
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13 | ;------- Big thanks to Majuma (www.majuma.xt.pl) for absolutely great--- |
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14 | ;------- DOS 13h mode demos -------------------------------------------- |
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15 | ;------- Procedure draws bump triangle using Catmull Z-buffer algorithm- |
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16 | ;------- (Z coordinate interpolation)----------------------------------- |
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17 | bump_triangle_z: |
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18 | ;------------------in - eax - x1 shl 16 + y1 ----------- |
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19 | ;---------------------- ebx - x2 shl 16 + y2 ----------- |
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20 | ;---------------------- ecx - x3 shl 16 + y3 ----------- |
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21 | ;---------------------- edx - pointer to bump map ------ |
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22 | ;---------------------- esi - pointer to environment map |
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23 | ;---------------------- edi - pointer to screen buffer-- |
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24 | ;---------------------- stack : bump coordinates-------- |
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25 | ;---------------------- environment coordinates- |
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26 | ;---------------------- Z position coordinates-- |
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27 | ;---------------------- pointer io Z buffer----- |
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28 | ;-- Z-buffer - filled with coordinates as dword -------- |
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29 | ;-- (Z coor. as word) shl CATMULL_SHIFT ---------------- |
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30 | .b_x1 equ ebp+4 ; procedure don't save registers !!! |
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31 | .b_y1 equ ebp+6 ; each coordinate as word |
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32 | .b_x2 equ ebp+8 |
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33 | .b_y2 equ ebp+10 |
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34 | .b_x3 equ ebp+12 |
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35 | .b_y3 equ ebp+14 |
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36 | .e_x1 equ ebp+16 |
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37 | .e_y1 equ ebp+18 |
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38 | .e_x2 equ ebp+20 |
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39 | .e_y2 equ ebp+22 |
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40 | .e_x3 equ ebp+24 |
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41 | .e_y3 equ ebp+26 |
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42 | .z1 equ word[ebp+28] |
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43 | .z2 equ word[ebp+30] |
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44 | .z3 equ word[ebp+32] |
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45 | .z_buff equ dword[ebp+34] ; pointer to Z-buffer |
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46 | |||
47 | |||
48 | .t_bmap equ dword[ebp-4] ; pointer to bump map |
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49 | .t_emap equ dword[ebp-8] ; pointer to e. map |
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50 | .x1 equ word[ebp-10] |
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51 | .y1 equ word[ebp-12] |
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52 | .x2 equ word[ebp-14] |
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53 | .y2 equ word[ebp-16] |
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54 | .x3 equ word[ebp-18] |
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55 | .y3 equ word[ebp-20] |
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56 | |||
57 | .dx12 equ dword[ebp-24] |
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58 | .dz12 equ [ebp-28] |
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59 | .dbx12 equ dword[ebp-32] |
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60 | .dby12 equ [ebp-36] |
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61 | .dex12 equ dword[ebp-40] |
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62 | .dey12 equ [ebp-44] |
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63 | |||
64 | .dx13 equ dword[ebp-48] |
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65 | .dz13 equ [ebp-52] |
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66 | .dbx13 equ dword[ebp-56] |
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67 | .dby13 equ [ebp-60] |
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68 | .dex13 equ dword[ebp-64] |
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69 | .dey13 equ [ebp-68] |
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70 | |||
71 | .dx23 equ dword[ebp-72] |
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72 | .dz23 equ [ebp-76] |
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73 | .dbx23 equ dword[ebp-80] |
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74 | .dby23 equ [ebp-84] |
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75 | .dex23 equ dword[ebp-88] |
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76 | .dey23 equ [ebp-92] |
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77 | |||
78 | .cx1 equ dword[ebp-96] ; current variables |
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79 | .cz1 equ [ebp-100] |
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80 | .cx2 equ dword[ebp-104] |
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81 | .cz2 equ [ebp-108] |
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82 | .cbx1 equ dword[ebp-112] |
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83 | .cby1 equ [ebp-116] |
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2192 | leency | 84 | .cex1 equ dword[ebp-120] |
85 | .cey1 equ [ebp-124] |
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86 | .cbx2 equ dword[ebp-128] |
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87 | .cby2 equ [ebp-132] |
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1245 | hidnplayr | 88 | .cex2 equ dword[ebp-136] |
89 | .cey2 equ [ebp-140] |
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90 | |||
91 | mov ebp,esp |
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92 | push edx ; store bump map |
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93 | push esi ; store e. map |
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94 | ; sub esp,120 |
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95 | .sort3: ; sort triangle coordinates... |
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96 | cmp ax,bx |
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97 | jle .sort1 |
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98 | xchg eax,ebx |
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99 | mov edx,dword[.b_x1] |
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100 | xchg edx,dword[.b_x2] |
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101 | mov dword[.b_x1],edx |
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102 | mov edx,dword[.e_x1] |
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103 | xchg edx,dword[.e_x2] |
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104 | mov dword[.e_x1],edx |
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105 | mov dx,.z1 |
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106 | xchg dx,.z2 |
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107 | mov .z1,dx |
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108 | .sort1: |
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109 | cmp bx,cx |
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110 | jle .sort2 |
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111 | xchg ebx,ecx |
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112 | mov edx,dword[.b_x2] |
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113 | xchg edx,dword[.b_x3] |
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114 | mov dword[.b_x2],edx |
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115 | mov edx,dword[.e_x2] |
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116 | xchg edx,dword[.e_x3] |
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117 | mov dword[.e_x2],edx |
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118 | mov dx,.z2 |
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119 | xchg dx,.z3 |
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120 | mov .z2,dx |
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121 | jmp .sort3 |
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122 | .sort2: |
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123 | push eax ; store triangle coords in variables |
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124 | push ebx |
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125 | push ecx |
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126 | |||
127 | mov edx,80008000h ; eax,ebx,ecx are ANDd together into edx which means that |
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128 | and edx,ebx ; if *all* of them are negative a sign flag is raised |
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129 | and edx,ecx |
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130 | and edx,eax |
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131 | test edx,80008000h ; Check both X&Y at once |
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132 | jne .loop23_done |
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133 | ; mov edx,eax ; eax,ebx,ecx are ORd together into edx which means that |
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134 | ; or edx,ebx ; if any *one* of them is negative a sign flag is raised |
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135 | ; or edx,ecx |
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136 | ; test edx,80000000h ; Check only X |
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137 | ; jne .loop23_done |
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138 | |||
139 | ; cmp .x1,SIZE_X ; { |
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140 | ; jg .loop23_done |
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141 | ; cmp .x2,SIZE_X ; This can be optimized with effort |
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142 | ; jg .loop23_done |
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143 | ; cmp .x3,SIZE_X |
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144 | ; jg .loop23_done ; { |
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145 | |||
146 | |||
147 | mov bx,.y2 ; calc delta 12 |
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148 | sub bx,.y1 |
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149 | jnz .bt_dx12_make |
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150 | mov ecx,6 |
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151 | xor edx,edx |
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152 | @@: |
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153 | push edx ;dword 0 |
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154 | loop @b |
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155 | jmp .bt_dx12_done |
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156 | .bt_dx12_make: |
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157 | mov ax,.x2 |
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158 | sub ax,.x1 |
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159 | cwde |
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160 | movsx ebx,bx |
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161 | shl eax,ROUND |
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162 | cdq |
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163 | idiv ebx |
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164 | ; mov .dx12,eax |
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165 | push eax |
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166 | |||
167 | mov ax,.z2 |
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168 | sub ax,.z1 |
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169 | cwde |
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170 | shl eax,CATMULL_SHIFT |
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171 | cdq |
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172 | idiv ebx |
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173 | push eax |
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174 | if Ext>=SSE |
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175 | |||
176 | sub esp,16 |
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177 | cvtsi2ss xmm3,ebx ;rcps |
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178 | ; mov eax,255 |
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179 | cvtsi2ss xmm4,[i255d] |
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180 | divss xmm3,xmm4 |
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181 | rcpss xmm3,xmm3 |
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182 | ; mulss xmm3,xmm4 |
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183 | shufps xmm3,xmm3,0 |
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184 | |||
185 | movd mm0,[.b_x1] |
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186 | movd mm1,[.b_x2] |
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187 | movd mm2,[.e_x1] |
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188 | movd mm3,[.e_x2] |
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189 | pxor mm4,mm4 |
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190 | punpcklwd mm0,mm4 |
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191 | punpcklwd mm1,mm4 |
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192 | punpcklwd mm2,mm4 |
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193 | punpcklwd mm3,mm4 |
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194 | |||
195 | psubd mm1,mm0 |
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196 | psubd mm3,mm2 |
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197 | |||
198 | ; cvtpi2ps xmm0,mm0 |
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199 | ; movlhps xmm0,xmm0 |
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200 | ; cvtpi2ps xmm0,mm2 |
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201 | cvtpi2ps xmm1,mm1 |
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202 | movlhps xmm1,xmm1 |
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203 | cvtpi2ps xmm1,mm3 |
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204 | ; subps xmm1,xmm0 |
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205 | |||
206 | |||
207 | ; cvtpi2ps xmm0,mm3 |
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208 | ; divps xmm1,xmm3 |
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209 | mulps xmm1,xmm3 |
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210 | shufps xmm1,xmm1,10110001b |
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211 | cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords |
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212 | movhlps xmm1,xmm1 |
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213 | cvtps2pi mm1,xmm1 |
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214 | movq .dey12,mm0 |
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215 | movq .dby12,mm1 |
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216 | |||
217 | |||
218 | else |
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219 | |||
220 | mov ax,word[.b_x2] |
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221 | sub ax,word[.b_x1] |
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222 | cwde |
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223 | shl eax,ROUND |
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224 | cdq |
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225 | idiv ebx |
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226 | ; mov .dbx12,eax |
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227 | push eax |
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228 | |||
229 | mov ax,word[.b_y2] |
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230 | sub ax,word[.b_y1] |
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231 | cwde |
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232 | shl eax,ROUND |
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233 | cdq |
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234 | idiv ebx |
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235 | ; mov .dby12,eax |
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236 | push eax |
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237 | |||
238 | mov ax,word[.e_x2] |
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239 | sub ax,word[.e_x1] |
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240 | cwde |
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241 | shl eax,ROUND |
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242 | cdq |
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243 | idiv ebx |
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244 | ; mov .dex12,eax |
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245 | push eax |
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246 | |||
247 | mov ax,word[.e_y2] |
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248 | sub ax,word[.e_y1] |
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249 | cwde |
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250 | shl eax,ROUND |
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251 | cdq |
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252 | idiv ebx |
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253 | ; mov .dey12,eax |
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254 | push eax |
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255 | |||
256 | end if |
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257 | |||
258 | .bt_dx12_done: |
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259 | |||
260 | mov bx,.y3 ; calc delta13 |
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261 | sub bx,.y1 |
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262 | jnz .bt_dx13_make |
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263 | mov ecx,6 |
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264 | xor edx,edx |
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265 | @@: |
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266 | push edx ;dword 0 |
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267 | loop @b |
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268 | jmp .bt_dx13_done |
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269 | .bt_dx13_make: |
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270 | mov ax,.x3 |
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271 | sub ax,.x1 |
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272 | cwde |
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273 | movsx ebx,bx |
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274 | shl eax,ROUND |
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275 | cdq |
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276 | idiv ebx |
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277 | ; mov .dx13,eax |
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278 | push eax |
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279 | |||
280 | mov ax,.z3 |
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281 | sub ax,.z1 |
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282 | cwde |
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283 | shl eax,CATMULL_SHIFT |
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284 | cdq |
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285 | idiv ebx |
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286 | ; mov .dz13,eax |
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287 | push eax |
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288 | |||
289 | if Ext>=SSE |
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290 | |||
291 | sub esp,16 |
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292 | cvtsi2ss xmm3,ebx ;rcps |
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293 | ; mov eax,255 |
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294 | cvtsi2ss xmm4,[i255d] |
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295 | divss xmm3,xmm4 |
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296 | rcpss xmm3,xmm3 |
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297 | ; mulss xmm3,xmm4 |
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298 | shufps xmm3,xmm3,0 |
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299 | |||
300 | movd mm0,[.b_x1] |
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301 | movd mm1,[.b_x3] |
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302 | movd mm2,[.e_x1] |
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303 | movd mm3,[.e_x3] |
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304 | pxor mm4,mm4 |
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305 | punpcklwd mm0,mm4 |
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306 | punpcklwd mm1,mm4 |
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307 | punpcklwd mm2,mm4 |
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308 | punpcklwd mm3,mm4 |
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309 | |||
310 | psubd mm1,mm0 |
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311 | psubd mm3,mm2 |
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312 | |||
313 | ; cvtpi2ps xmm0,mm0 |
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314 | ; movlhps xmm0,xmm0 |
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315 | ; cvtpi2ps xmm0,mm2 |
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316 | cvtpi2ps xmm1,mm1 |
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317 | movlhps xmm1,xmm1 |
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318 | cvtpi2ps xmm1,mm3 |
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319 | ; subps xmm1,xmm0 |
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320 | |||
321 | |||
322 | ; cvtpi2ps xmm0,mm3 |
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323 | ; divps xmm1,xmm3 |
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324 | mulps xmm1,xmm3 |
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325 | shufps xmm1,xmm1,10110001b |
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326 | cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords |
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327 | movhlps xmm1,xmm1 |
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328 | cvtps2pi mm1,xmm1 |
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329 | movq .dey13,mm0 |
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330 | movq .dby13,mm1 |
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331 | |||
332 | |||
333 | else |
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334 | |||
335 | mov ax,word[.b_x3] |
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336 | sub ax,word[.b_x1] |
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337 | cwde |
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338 | shl eax,ROUND |
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339 | cdq |
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340 | idiv ebx |
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341 | ; mov .dbx13,eax |
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342 | push eax |
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343 | |||
344 | mov ax,word[.b_y3] |
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345 | sub ax,word[.b_y1] |
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346 | cwde |
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347 | shl eax,ROUND |
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348 | cdq |
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349 | idiv ebx |
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350 | ; mov .dby13,eax |
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351 | push eax |
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352 | |||
353 | mov ax,word[.e_x3] |
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354 | sub ax,word[.e_x1] |
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355 | cwde |
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356 | shl eax,ROUND |
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357 | cdq |
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358 | idiv ebx |
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359 | ; mov .dex13,eax |
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360 | push eax |
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361 | |||
362 | mov ax,word[.e_y3] |
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363 | sub ax,word[.e_y1] |
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364 | cwde |
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365 | shl eax,ROUND |
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366 | cdq |
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367 | idiv ebx |
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368 | ; mov .dey13,eax |
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369 | push eax |
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370 | end if |
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371 | |||
372 | .bt_dx13_done: |
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373 | |||
374 | mov bx,.y3 ; calc delta23 |
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375 | sub bx,.y2 |
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376 | jnz .bt_dx23_make |
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377 | mov ecx,6 |
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378 | xor edx,edx |
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379 | @@: |
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380 | push edx ;dword 0 |
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381 | loop @b |
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382 | jmp .bt_dx23_done |
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383 | .bt_dx23_make: |
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384 | mov ax,.x3 |
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385 | sub ax,.x2 |
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386 | cwde |
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387 | movsx ebx,bx |
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388 | shl eax,ROUND |
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389 | cdq |
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390 | idiv ebx |
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391 | ; mov .dx23,eax |
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392 | push eax |
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393 | |||
394 | mov ax,.z3 |
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395 | sub ax,.z2 |
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396 | cwde |
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397 | shl eax,CATMULL_SHIFT |
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398 | cdq |
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399 | idiv ebx |
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400 | ; mov .dz23,eax |
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401 | push eax |
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402 | ; sub esp,40 |
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403 | if Ext>=SSE |
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404 | |||
405 | sub esp,16 |
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406 | cvtsi2ss xmm3,ebx ;rcps |
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407 | ; mov eax,255 |
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408 | cvtsi2ss xmm4,[i255d] |
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409 | divss xmm3,xmm4 |
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410 | rcpss xmm3,xmm3 |
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411 | ; mulss xmm3,xmm4 |
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412 | shufps xmm3,xmm3,0 |
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413 | |||
414 | movd mm0,[.b_x2] |
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415 | movd mm1,[.b_x3] |
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416 | movd mm2,[.e_x2] |
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417 | movd mm3,[.e_x3] |
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418 | pxor mm4,mm4 |
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419 | punpcklwd mm0,mm4 |
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420 | punpcklwd mm1,mm4 |
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421 | punpcklwd mm2,mm4 |
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422 | punpcklwd mm3,mm4 |
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423 | |||
424 | psubd mm1,mm0 |
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425 | psubd mm3,mm2 |
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426 | |||
427 | ; cvtpi2ps xmm0,mm0 |
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428 | ; movlhps xmm0,xmm0 |
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429 | ; cvtpi2ps xmm0,mm2 |
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430 | cvtpi2ps xmm1,mm1 |
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431 | movlhps xmm1,xmm1 |
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432 | cvtpi2ps xmm1,mm3 |
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433 | ; subps xmm1,xmm0 |
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434 | |||
435 | |||
436 | ; cvtpi2ps xmm0,mm3 |
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437 | ; divps xmm1,xmm3 |
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438 | mulps xmm1,xmm3 |
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439 | shufps xmm1,xmm1,10110001b |
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440 | cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords |
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441 | movhlps xmm1,xmm1 |
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442 | cvtps2pi mm1,xmm1 |
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443 | movq .dey23,mm0 |
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444 | movq .dby23,mm1 |
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445 | |||
446 | else |
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447 | |||
448 | mov ax,word[.b_x3] |
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449 | sub ax,word[.b_x2] |
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450 | cwde |
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451 | shl eax,ROUND |
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452 | cdq |
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453 | idiv ebx |
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454 | ; mov .dbx23,eax |
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455 | push eax |
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456 | |||
457 | mov ax,word[.b_y3] |
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458 | sub ax,word[.b_y2] |
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459 | cwde |
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460 | shl eax,ROUND |
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461 | cdq |
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462 | idiv ebx |
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463 | ; mov .dby23,eax |
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464 | push eax |
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465 | |||
466 | mov ax,word[.e_x3] |
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467 | sub ax,word[.e_x2] |
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468 | cwde |
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469 | shl eax,ROUND |
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470 | cdq |
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471 | idiv ebx |
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472 | ; mov .dex23,eax |
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473 | push eax |
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474 | |||
475 | mov ax,word[.e_y3] |
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476 | sub ax,word[.e_y2] |
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477 | cwde |
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478 | shl eax,ROUND |
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479 | cdq |
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480 | idiv ebx |
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481 | ; mov .dey23,eax |
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482 | push eax |
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483 | |||
484 | end if |
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485 | |||
486 | .bt_dx23_done: |
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487 | sub esp,48 |
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488 | |||
489 | movsx eax,.x1 |
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490 | shl eax,ROUND |
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491 | mov .cx1,eax |
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492 | mov .cx2,eax |
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493 | ; push eax |
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494 | ; push eax |
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495 | |||
496 | movsx eax,word[.b_x1] |
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497 | shl eax,ROUND |
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498 | mov .cbx1,eax |
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499 | mov .cbx2,eax |
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500 | ; push eax |
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501 | ; push eax |
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502 | |||
503 | movsx eax,word[.b_y1] |
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504 | shl eax,ROUND |
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505 | mov .cby1,eax |
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506 | mov .cby2,eax |
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507 | ; push eax |
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508 | ; push eax |
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509 | |||
510 | movsx eax,word[.e_x1] |
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511 | shl eax,ROUND |
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512 | mov .cex1,eax |
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513 | mov .cex2,eax |
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514 | ; push eax |
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515 | ; push eax |
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516 | |||
517 | movsx eax,word[.e_y1] |
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518 | shl eax,ROUND |
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519 | mov .cey1,eax |
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520 | mov .cey2,eax |
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521 | ; push eax |
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522 | ; push eax |
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523 | |||
524 | movsx eax,.z1 |
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525 | shl eax,CATMULL_SHIFT |
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526 | mov .cz1,eax |
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527 | mov .cz2,eax |
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528 | ; push eax |
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529 | ; push eax |
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530 | |||
531 | movsx ecx,.y1 |
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532 | cmp cx,.y2 |
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533 | jge .loop12_done |
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534 | .loop12: |
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535 | call .call_bump_line |
||
2192 | leency | 536 | if Ext >= SSE2 |
537 | movups xmm0,.cey2 |
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538 | movups xmm1,.cey1 |
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539 | movups xmm2,.dey12 |
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540 | movups xmm3,.dey13 |
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541 | paddd xmm0,xmm2 |
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542 | paddd xmm1,xmm3 |
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543 | movups .cey2,xmm0 |
||
544 | movups .cey1,xmm1 |
||
545 | movq mm4,.cz1 |
||
546 | movq mm5,.cz2 |
||
547 | paddd mm4,.dz13 |
||
548 | paddd mm5,.dz12 |
||
549 | movq .cz1,mm4 |
||
550 | movq .cz2,mm5 |
||
551 | end if |
||
1245 | hidnplayr | 552 | |
2192 | leency | 553 | |
554 | if (Ext = MMX) | (Ext = SSE) |
||
1245 | hidnplayr | 555 | movq mm0,.cby2 |
556 | movq mm1,.cby1 |
||
557 | movq mm2,.cey2 |
||
558 | movq mm3,.cey1 |
||
559 | movq mm4,.cz1 |
||
560 | movq mm5,.cz2 |
||
561 | paddd mm0,.dby12 |
||
562 | paddd mm1,.dby13 |
||
563 | paddd mm2,.dey12 |
||
564 | paddd mm3,.dey13 |
||
565 | paddd mm4,.dz13 |
||
566 | paddd mm5,.dz12 |
||
567 | movq .cby2,mm0 |
||
568 | movq .cby1,mm1 |
||
569 | movq .cey1,mm3 |
||
570 | movq .cey2,mm2 |
||
571 | movq .cz1,mm4 |
||
572 | movq .cz2,mm5 |
||
2192 | leency | 573 | else if Ext = NON |
1245 | hidnplayr | 574 | mov edx,.dbx13 |
575 | add .cbx1,edx |
||
576 | mov eax,.dbx12 |
||
577 | add .cbx2,eax |
||
578 | mov ebx,.dby13 |
||
579 | add .cby1,ebx |
||
580 | mov edx,.dby12 |
||
581 | add .cby2,edx |
||
582 | |||
583 | mov eax,.dex13 |
||
584 | add .cex1,eax |
||
585 | mov ebx,.dex12 |
||
586 | add .cex2,ebx |
||
587 | mov edx,.dey13 |
||
588 | add .cey1,edx |
||
589 | mov eax,.dey12 |
||
590 | add .cey2,eax |
||
591 | |||
592 | mov eax,.dx13 |
||
593 | add .cx1,eax |
||
594 | mov ebx,.dx12 |
||
595 | add .cx2,ebx |
||
596 | |||
597 | mov ebx,.dz13 |
||
598 | add .cz1,ebx |
||
599 | mov edx,.dz12 |
||
600 | add .cz2,edx |
||
601 | end if |
||
602 | inc ecx |
||
603 | cmp cx,.y2 |
||
604 | jl .loop12 |
||
605 | .loop12_done: |
||
606 | |||
607 | movsx ecx,.y2 |
||
608 | cmp cx,.y3 |
||
609 | jge .loop23_done |
||
610 | |||
611 | movsx eax,.z2 |
||
612 | shl eax,CATMULL_SHIFT |
||
613 | mov .cz2,eax |
||
614 | |||
615 | movsx eax,.x2 |
||
616 | shl eax,ROUND |
||
617 | mov .cx2,eax |
||
618 | |||
619 | movzx eax,word[.b_x2] |
||
620 | shl eax,ROUND |
||
621 | mov .cbx2,eax |
||
622 | |||
623 | movzx eax,word[.b_y2] |
||
624 | shl eax,ROUND |
||
625 | mov .cby2,eax |
||
626 | |||
627 | movzx eax,word[.e_x2] |
||
628 | shl eax,ROUND |
||
629 | mov .cex2,eax |
||
630 | |||
631 | movzx eax,word[.e_y2] |
||
632 | shl eax,ROUND |
||
633 | mov .cey2,eax |
||
634 | |||
635 | .loop23: |
||
636 | call .call_bump_line |
||
2192 | leency | 637 | if Ext >= SSE2 |
638 | movups xmm0,.cey2 |
||
639 | movups xmm1,.cey1 |
||
640 | movups xmm2,.dey23 |
||
641 | movups xmm3,.dey13 |
||
642 | paddd xmm0,xmm2 |
||
643 | paddd xmm1,xmm3 |
||
644 | movups .cey2,xmm0 |
||
645 | movups .cey1,xmm1 |
||
646 | movq mm4,.cz1 |
||
647 | movq mm5,.cz2 |
||
648 | paddd mm4,.dz13 |
||
649 | paddd mm5,.dz23 |
||
650 | movq .cz1,mm4 |
||
651 | movq .cz2,mm5 |
||
652 | end if |
||
653 | if (Ext = MMX) | (Ext = SSE) |
||
1245 | hidnplayr | 654 | movq mm0,.cby2 |
655 | movq mm1,.cby1 |
||
656 | movq mm2,.cey2 |
||
657 | movq mm3,.cey1 |
||
658 | movq mm4,.cz1 |
||
659 | movq mm5,.cz2 |
||
660 | paddd mm0,.dby23 |
||
661 | paddd mm1,.dby13 |
||
662 | paddd mm2,.dey23 |
||
663 | paddd mm3,.dey13 |
||
664 | paddd mm4,.dz13 |
||
665 | paddd mm5,.dz23 |
||
666 | movq .cby2,mm0 |
||
667 | movq .cby1,mm1 |
||
668 | movq .cey1,mm3 |
||
669 | movq .cey2,mm2 |
||
670 | movq .cz1,mm4 |
||
671 | movq .cz2,mm5 |
||
2192 | leency | 672 | else if Ext = NON |
1245 | hidnplayr | 673 | mov eax,.dx13 |
674 | add .cx1,eax |
||
675 | mov ebx,.dx23 |
||
676 | add .cx2,ebx |
||
677 | |||
678 | mov edx,.dbx13 |
||
679 | add .cbx1,edx |
||
680 | mov eax,.dbx23 |
||
681 | add .cbx2,eax |
||
682 | mov ebx,.dby13 |
||
683 | add .cby1,ebx |
||
684 | mov edx,.dby23 |
||
685 | add .cby2,edx |
||
686 | |||
687 | mov eax,.dex13 |
||
688 | add .cex1,eax |
||
689 | mov ebx,.dex23 |
||
690 | add .cex2,ebx |
||
691 | mov edx,.dey13 |
||
692 | add .cey1,edx |
||
693 | mov eax,.dey23 |
||
694 | add .cey2,eax |
||
695 | |||
696 | mov ebx,.dz13 |
||
697 | add .cz1,ebx |
||
698 | mov edx,.dz23 |
||
699 | add .cz2,edx |
||
700 | end if |
||
701 | inc ecx |
||
702 | cmp cx,.y3 |
||
703 | jl .loop23 |
||
704 | .loop23_done: |
||
705 | |||
706 | mov esp,ebp |
||
707 | ret 34 |
||
708 | |||
709 | .call_bump_line: |
||
710 | |||
711 | ; push ebp |
||
712 | ; push ecx |
||
713 | pushad |
||
714 | |||
715 | push dword .cz1 |
||
716 | push dword .cz2 |
||
717 | push .z_buff |
||
718 | push .t_emap |
||
719 | push .t_bmap |
||
720 | push dword .cey2 |
||
721 | push .cex2 |
||
1931 | yogev_ezra | 722 | push dword .cby2 |
723 | push .cbx2 |
||
1245 | hidnplayr | 724 | push dword .cey1 |
725 | push .cex1 |
||
726 | push dword .cby1 |
||
727 | push .cbx1 |
||
728 | push ecx |
||
729 | |||
730 | mov eax,.cx1 |
||
731 | sar eax,ROUND |
||
732 | mov ebx,.cx2 |
||
733 | sar ebx,ROUND |
||
734 | |||
735 | call bump_line_z |
||
736 | |||
737 | popad |
||
738 | ret |
||
739 | bump_line_z: |
||
740 | ;--------------in: eax - x1 |
||
741 | ;-------------- ebx - x2 |
||
742 | ;-------------- edi - pointer to screen buffer |
||
743 | ;stack - another parameters : |
||
744 | .y equ dword [ebp+4] |
||
1776 | yogev_ezra | 745 | .bx1 equ [ebp+8] ; --- |
1245 | hidnplayr | 746 | .by1 equ dword [ebp+12] ; | |
1931 | yogev_ezra | 747 | .ex1 equ [ebp+16] ; | |
748 | .ey1 equ dword [ebp+20] ; |> bump and env coords |
||
749 | .bx2 equ [ebp+24] ; |> shifted shl ROUND |
||
750 | .by2 equ dword [ebp+28] ; | |
||
1776 | yogev_ezra | 751 | .ex2 equ [ebp+32] ; | |
1245 | hidnplayr | 752 | .ey2 equ dword [ebp+36] ; --- |
753 | .bmap equ dword [ebp+40] |
||
754 | .emap equ dword [ebp+44] |
||
755 | .z_buff equ dword [ebp+48] |
||
756 | .z2 equ dword [ebp+52] ; -- |> z coords shifted |
||
757 | .z1 equ dword [ebp+56] ; -- shl CATMULL_SHIFT |
||
758 | |||
759 | .x1 equ dword [ebp-4] |
||
760 | .x2 equ dword [ebp-8] |
||
761 | .dbx equ dword [ebp-12] |
||
1776 | yogev_ezra | 762 | .dby equ [ebp-16] |
1245 | hidnplayr | 763 | .dex equ dword [ebp-20] |
1776 | yogev_ezra | 764 | .dey equ [ebp-24] |
1245 | hidnplayr | 765 | .dz equ dword [ebp-28] |
766 | .cbx equ dword [ebp-32] |
||
1776 | yogev_ezra | 767 | .cby equ [ebp-36] |
1245 | hidnplayr | 768 | .cex equ dword [ebp-40] |
1776 | yogev_ezra | 769 | .cey equ [ebp-44] |
1245 | hidnplayr | 770 | .cz equ dword [ebp-48] |
771 | .czbuff equ dword [ebp-52] |
||
772 | .temp1 equ ebp-60 |
||
773 | .temp2 equ ebp-68 |
||
774 | .temp3 equ ebp-76 |
||
775 | .temp4 equ ebp-84 |
||
776 | .temp5 equ ebp-92 |
||
777 | |||
778 | mov ebp,esp |
||
779 | |||
780 | mov ecx,.y |
||
781 | or ecx,ecx |
||
782 | jl .bl_end |
||
783 | cmp ecx,SIZE_Y |
||
784 | jge .bl_end |
||
785 | |||
786 | cmp eax,ebx |
||
787 | jl .bl_ok |
||
788 | je .bl_end |
||
789 | |||
790 | xchg eax,ebx |
||
791 | if Ext=NON |
||
792 | mov edx,.bx1 |
||
793 | xchg edx,.bx2 |
||
794 | mov .bx1,edx |
||
795 | mov edx,.by1 |
||
796 | xchg edx,.by2 |
||
797 | mov .by1,edx |
||
798 | |||
799 | mov edx,.ex1 |
||
800 | xchg edx,.ex2 |
||
801 | mov .ex1,edx |
||
802 | mov edx,.ey1 |
||
803 | xchg edx,.ey2 |
||
804 | mov .ey1,edx |
||
1931 | yogev_ezra | 805 | end if |
806 | if Ext = MMX |
||
1776 | yogev_ezra | 807 | movq mm0,.bx1 |
808 | movq mm1,.ex1 |
||
809 | movq mm2,.bx2 |
||
810 | movq mm3,.ex2 |
||
811 | movq .bx2,mm0 |
||
812 | movq .ex2,mm1 |
||
813 | movq .bx1,mm2 |
||
814 | movq .ex1,mm3 |
||
1245 | hidnplayr | 815 | end if |
1931 | yogev_ezra | 816 | if Ext >= SSE |
817 | movups xmm0,.bx1 |
||
818 | movups xmm1,.bx2 |
||
819 | movups .bx2,xmm0 |
||
820 | movups .bx1,xmm1 |
||
821 | end if |
||
1245 | hidnplayr | 822 | |
823 | mov edx,.z1 |
||
824 | xchg edx,.z2 |
||
825 | mov .z1,edx |
||
826 | |||
827 | .bl_ok: |
||
828 | |||
829 | push eax |
||
830 | push ebx ;store x1, x2 |
||
831 | |||
832 | cmp .x1,SIZE_X |
||
833 | jge .bl_end |
||
834 | cmp .x2,0 |
||
835 | jle .bl_end |
||
836 | |||
837 | mov ebx,.x2 |
||
838 | sub ebx,.x1 |
||
839 | |||
2881 | leency | 840 | if Ext >= SSE |
1245 | hidnplayr | 841 | |
842 | sub esp,16 |
||
843 | cvtsi2ss xmm3,ebx ;rcps |
||
844 | shufps xmm3,xmm3,0 |
||
845 | |||
1776 | yogev_ezra | 846 | cvtpi2ps xmm0,.bx1 ;mm0 |
1245 | hidnplayr | 847 | movlhps xmm0,xmm0 |
1776 | yogev_ezra | 848 | cvtpi2ps xmm0,.ex1 ;mm2 |
849 | cvtpi2ps xmm1,.bx2 ;mm1 |
||
1245 | hidnplayr | 850 | movlhps xmm1,xmm1 |
1776 | yogev_ezra | 851 | cvtpi2ps xmm1,.ex2 ;mm3 |
1245 | hidnplayr | 852 | subps xmm1,xmm0 |
853 | |||
854 | divps xmm1,xmm3 |
||
855 | |||
856 | shufps xmm1,xmm1,10110001b |
||
857 | cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords |
||
858 | movhlps xmm1,xmm1 |
||
859 | cvtps2pi mm1,xmm1 |
||
1776 | yogev_ezra | 860 | movq .dey,mm0 |
861 | movq .dby,mm1 |
||
1245 | hidnplayr | 862 | |
863 | else |
||
864 | |||
865 | mov eax,.bx2 ; calc .dbx |
||
866 | sub eax,.bx1 |
||
867 | cdq |
||
868 | idiv ebx |
||
869 | push eax |
||
870 | |||
871 | mov eax,.by2 ; calc .dby |
||
872 | sub eax,.by1 |
||
873 | cdq |
||
874 | idiv ebx |
||
875 | push eax |
||
876 | |||
877 | mov eax,.ex2 ; calc .dex |
||
878 | sub eax,.ex1 |
||
879 | cdq |
||
880 | idiv ebx |
||
881 | push eax |
||
882 | |||
883 | mov eax,.ey2 ; calc .dey |
||
884 | sub eax,.ey1 |
||
885 | cdq |
||
886 | idiv ebx |
||
887 | push eax |
||
888 | |||
889 | end if |
||
890 | |||
891 | mov eax,.z2 ; calc .dz |
||
892 | sub eax,.z1 |
||
893 | cdq |
||
894 | idiv ebx |
||
895 | push eax |
||
896 | |||
897 | cmp .x1,0 ; set correctly begin variable |
||
898 | jge @f ; CLIPPING ON FUNCTION |
||
899 | ; cutting triangle exceedes screen |
||
900 | mov ebx,.x1 |
||
901 | neg ebx |
||
902 | imul ebx ; eax = .dz * abs(.x1) |
||
903 | add .z1,eax |
||
904 | mov .x1,0 |
||
905 | |||
906 | mov eax,.dbx |
||
907 | imul ebx |
||
908 | add .bx1,eax |
||
909 | |||
910 | mov eax,.dby |
||
911 | imul ebx |
||
912 | add .by1,eax |
||
913 | |||
914 | mov eax,.dex |
||
915 | imul ebx |
||
916 | add .ex1,eax |
||
917 | |||
918 | mov eax,.dey |
||
919 | imul ebx |
||
920 | add .ey1,eax |
||
921 | @@: |
||
922 | cmp .x2,SIZE_X |
||
923 | jl @f |
||
924 | mov .x2,SIZE_X |
||
925 | @@: |
||
926 | mov eax,SIZE_X ;calc memory begin in buffers |
||
927 | mov ebx,.y |
||
928 | mul ebx |
||
929 | mov ebx,.x1 |
||
930 | add eax,ebx |
||
931 | mov ebx,eax |
||
932 | lea eax,[eax*3] |
||
933 | add edi,eax |
||
934 | mov esi,.z_buff ; z-buffer filled with dd variables |
||
935 | shl ebx,2 |
||
936 | add esi,ebx |
||
937 | |||
938 | mov ecx,.x2 |
||
939 | sub ecx,.x1 |
||
940 | ; init current variables |
||
1776 | yogev_ezra | 941 | push dword .bx1 |
1245 | hidnplayr | 942 | push .by1 |
1776 | yogev_ezra | 943 | push dword .ex1 |
1245 | hidnplayr | 944 | push .ey1 |
945 | |||
946 | push .z1 ; current z shl CATMULL_SHIFT |
||
947 | push esi |
||
1979 | yogev_ezra | 948 | ;if Ext = SSE2 |
949 | ; movups xmm1,.dey |
||
950 | ;end if |
||
951 | if Ext>=MMX |
||
952 | movq mm0,.cby |
||
953 | movq mm1,.cey |
||
954 | movq mm2,.dby |
||
955 | movq mm3,.dey |
||
956 | end if |
||
2881 | leency | 957 | ;align 16 |
1245 | hidnplayr | 958 | .draw: |
959 | ; if TEX = SHIFTING ;bump drawing only in shifting mode |
||
960 | mov esi,.czbuff ; .czbuff current address in buffer |
||
961 | mov ebx,.cz ; .cz - cur z position |
||
962 | cmp ebx,dword[esi] |
||
963 | jge .skip |
||
1979 | yogev_ezra | 964 | |
965 | if Ext>=MMX |
||
966 | movq mm6,mm0 |
||
967 | psrld mm6,ROUND |
||
968 | movd eax,mm6 |
||
969 | psrlq mm6,32 |
||
970 | movd esi,mm6 |
||
971 | else |
||
1245 | hidnplayr | 972 | mov eax,.cby |
973 | sar eax,ROUND |
||
974 | mov esi,.cbx |
||
975 | sar esi,ROUND |
||
1979 | yogev_ezra | 976 | end if |
1245 | hidnplayr | 977 | shl eax,TEX_SHIFT ;- |
978 | add esi,eax ;- ; esi - current bump map index |
||
1979 | yogev_ezra | 979 | |
1245 | hidnplayr | 980 | mov ebx,esi |
981 | dec ebx |
||
982 | and ebx,TEXTURE_SIZE |
||
983 | add ebx,.bmap |
||
984 | movzx eax,byte [ebx] |
||
985 | |||
986 | mov ebx,esi |
||
987 | inc ebx |
||
988 | and ebx,TEXTURE_SIZE |
||
989 | add ebx,.bmap |
||
990 | movzx ebx,byte [ebx] |
||
1979 | yogev_ezra | 991 | |
1245 | hidnplayr | 992 | sub eax,ebx |
1979 | yogev_ezra | 993 | |
1245 | hidnplayr | 994 | mov ebx,esi |
995 | sub ebx,TEX_X |
||
996 | and ebx,TEXTURE_SIZE |
||
997 | add ebx,.bmap |
||
998 | movzx edx,byte [ebx] |
||
999 | |||
1000 | mov ebx,esi |
||
1001 | add ebx,TEX_X |
||
1002 | and ebx,TEXTURE_SIZE |
||
1003 | add ebx,.bmap |
||
1004 | movzx ebx,byte [ebx] |
||
1979 | yogev_ezra | 1005 | |
1245 | hidnplayr | 1006 | sub edx,ebx |
1007 | ; eax - horizontal sub |
||
1008 | ; edx - vertical sub |
||
1979 | yogev_ezra | 1009 | if Ext = NON |
1245 | hidnplayr | 1010 | mov ebx,.cex ;.cex - current env map X |
1011 | sar ebx,ROUND |
||
1012 | add eax,ebx ; eax - modified x coord |
||
1013 | |||
1014 | mov ebx,.cey ;.cey - current env map y |
||
1015 | sar ebx,ROUND |
||
1016 | add edx,ebx ; edx - modified y coord |
||
1979 | yogev_ezra | 1017 | else |
1018 | movq mm6,mm1 ; mm5 - copy of cur env coords |
||
1019 | psrld mm6,ROUND |
||
1020 | movd ebx,mm6 |
||
1021 | psrlq mm6,32 |
||
1022 | add eax,ebx |
||
1023 | movd ebx,mm6 |
||
1024 | add edx,ebx |
||
1025 | end if |
||
1245 | hidnplayr | 1026 | or eax,eax |
1027 | jl .black |
||
1028 | cmp eax,TEX_X |
||
1029 | jg .black |
||
1030 | or edx,edx |
||
1031 | jl .black |
||
1032 | cmp edx,TEX_Y |
||
1033 | jg .black |
||
1034 | |||
1035 | shl edx,TEX_SHIFT |
||
1036 | add edx,eax |
||
1979 | yogev_ezra | 1037 | lea esi,[edx*3] |
1038 | add esi,.emap |
||
1039 | lodsd |
||
1245 | hidnplayr | 1040 | jmp .put_pixel |
1041 | .black: |
||
1042 | xor eax,eax |
||
1043 | .put_pixel: |
||
1044 | stosd |
||
1045 | dec edi |
||
1046 | mov ebx,.cz |
||
1047 | mov esi,.czbuff |
||
1048 | mov dword[esi],ebx |
||
1049 | jmp .no_skip |
||
1050 | .skip: |
||
1051 | add edi,3 |
||
1052 | .no_skip: |
||
1053 | add .czbuff,4 |
||
1979 | yogev_ezra | 1054 | |
1055 | ;if Ext = SSE2 |
||
1056 | ; movups xmm0,.cey |
||
1057 | ; paddd xmm0,xmm1 |
||
1058 | ; movups .cey,xmm0 |
||
1059 | ; |
||
1060 | ;end if |
||
1776 | yogev_ezra | 1061 | if Ext >= MMX |
1979 | yogev_ezra | 1062 | paddd mm0,mm2 |
1063 | paddd mm1,mm3 |
||
1064 | end if |
||
1065 | |||
1066 | if Ext=NON |
||
1245 | hidnplayr | 1067 | mov eax,.dbx |
1068 | add .cbx,eax |
||
1069 | mov eax,.dby |
||
1070 | add .cby,eax |
||
1071 | mov eax,.dex |
||
1072 | add .cex,eax |
||
1073 | mov eax,.dey |
||
1074 | add .cey,eax |
||
1776 | yogev_ezra | 1075 | end if |
1245 | hidnplayr | 1076 | mov eax,.dz |
1077 | add .cz,eax |
||
1078 | |||
1079 | dec ecx |
||
1080 | jnz .draw |
||
1081 | ; end if |
||
1082 | .bl_end: |
||
1083 | mov esp,ebp |
||
1084 | ret 56 |