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Rev | Author | Line No. | Line |
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1245 | hidnplayr | 1 | |
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 | |||
9 | |||
10 | ;TEXTURE_SIZE EQU (TEX_X * TEX_Y)-1 |
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11 | ;Ext = SSE |
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12 | ;SSE = 3 |
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13 | ;MMX = 1 |
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14 | ;NON = 0 |
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15 | ;use32 |
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16 | ;------- Big thanks to Majuma (www.majuma.xt.pl) for absolutely great--- |
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17 | ;------- DOS 13h mode demos -------------------------------------------- |
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18 | ;------- Procedure draws triangle with two overlapped textures, I use -- |
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19 | ;--------Catmull Z-buffer algorithm- (Z coordinate interpolation)------- |
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20 | ;--------I calc texture pixel by this way: col1*col2/256 --------------- |
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21 | two_tex_triangle_z: |
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22 | ;------------------in - eax - x1 shl 16 + y1 ----------- |
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23 | ;---------------------- ebx - x2 shl 16 + y2 ----------- |
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24 | ;---------------------- ecx - x3 shl 16 + y3 ----------- |
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25 | ;---------------------- edx - pointer to b. texture----- |
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26 | ;---------------------- esi - pointer to e. texture----- |
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27 | ;---------------------- edi - pointer to screen buffer-- |
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28 | ;---------------------- stack : b. tex coordinates------ |
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29 | ;---------------------- e. tex coordinates------ |
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30 | ;---------------------- Z position coordinates-- |
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31 | ;---------------------- pointer io Z buffer----- |
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32 | ;-- Z-buffer - filled with coordinates as dword -------- |
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33 | ;-- (Z coor. as word) shl CATMULL_SHIFT ---------------- |
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34 | .b_x1 equ ebp+4 ; procedure don't save registers !!! |
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6619 | leency | 35 | .b_y1 equ ebp+6 ; each coordinate as word |
36 | .b_x2 equ ebp+8 |
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37 | .b_y2 equ ebp+10 ; b - first texture |
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38 | .b_x3 equ ebp+12 |
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39 | .b_y3 equ ebp+14 ; e - second texture |
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40 | .e_x1 equ ebp+16 |
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41 | .e_y1 equ ebp+18 |
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42 | .e_x2 equ ebp+20 |
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43 | .e_y2 equ ebp+22 |
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44 | .e_x3 equ ebp+24 |
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45 | .e_y3 equ ebp+26 |
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46 | .z1 equ word[ebp+28] |
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47 | .z2 equ word[ebp+30] |
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48 | .z3 equ word[ebp+32] |
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49 | .z_buff equ dword[ebp+34] ; pointer to Z-buffer |
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50 | |||
1245 | hidnplayr | 51 | |
52 | |||
6619 | leency | 53 | .t_emap equ dword[ebp-8] ; pointer to e. texture |
54 | .x1 equ word[ebp-10] |
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55 | .y1 equ word[ebp-12] |
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56 | .x2 equ word[ebp-14] |
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57 | .y2 equ word[ebp-16] |
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58 | .x3 equ word[ebp-18] |
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59 | .y3 equ word[ebp-20] |
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60 | |||
1245 | hidnplayr | 61 | |
62 | .dbx12 equ dword[ebp-28] |
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63 | .dby12 equ dword[ebp-32] |
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64 | .dby12q equ [ebp-32] |
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6619 | leency | 65 | .dex12 equ dword[ebp-36] |
1245 | hidnplayr | 66 | .dey12 equ dword[ebp-40] |
67 | .dey12q equ [ebp-40] |
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6619 | leency | 68 | .dz12 equ dword[ebp-44] |
1245 | hidnplayr | 69 | |
70 | |||
71 | .dbx13 equ dword[ebp-52] |
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72 | .dby13 equ dword[ebp-56] |
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73 | .dby13q equ [ebp-56] |
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6619 | leency | 74 | .dex13 equ dword[ebp-60] |
1245 | hidnplayr | 75 | .dey13 equ dword[ebp-64] |
76 | .dey13q equ [ebp-64] |
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6619 | leency | 77 | .dz13 equ dword[ebp-68] |
1245 | hidnplayr | 78 | |
79 | |||
80 | .dbx23 equ dword[ebp-76] |
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81 | .dby23 equ dword[ebp-80] |
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82 | .dby23q equ [ebp-80] |
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6619 | leency | 83 | .dex23 equ dword[ebp-84] |
1245 | hidnplayr | 84 | .dey23 equ dword[ebp-88] |
85 | .dey23q equ [ebp-88] |
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6619 | leency | 86 | .dz23 equ dword[ebp-92] |
1245 | hidnplayr | 87 | |
88 | |||
89 | .cx2 equ dword[ebp-100] |
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90 | .cbx1 equ dword[ebp-104] |
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91 | .cby1 equ [ebp-108] |
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92 | .cex1 equ dword[ebp-112] |
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2192 | leency | 93 | .cey1 equ [ebp-116] |
94 | .cbx2 equ dword[ebp-120] |
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95 | .cby2 equ [ebp-124] |
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96 | .cex2 equ dword[ebp-128] |
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1245 | hidnplayr | 97 | .cey2 equ [ebp-132] |
98 | |||
99 | |||
100 | .cz2 equ dword[ebp-140] |
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101 | |||
102 | |||
103 | emms |
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104 | else |
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105 | cld |
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106 | end if |
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107 | mov ebp,esp |
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108 | push edx esi ; store bump map |
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6619 | leency | 109 | ; push esi ; store e. map |
1245 | hidnplayr | 110 | ; sub esp,120 |
111 | .sort3: ; sort triangle coordinates... |
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6619 | leency | 112 | cmp ax,bx |
1245 | hidnplayr | 113 | jle .sort1 |
114 | xchg eax,ebx |
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115 | mov edx,dword[.b_x1] |
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116 | xchg edx,dword[.b_x2] |
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117 | mov dword[.b_x1],edx |
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118 | mov edx,dword[.e_x1] |
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119 | xchg edx,dword[.e_x2] |
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120 | mov dword[.e_x1],edx |
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121 | mov dx,.z1 |
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122 | xchg dx,.z2 |
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123 | mov .z1,dx |
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124 | .sort1: |
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125 | cmp bx,cx |
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6619 | leency | 126 | jle .sort2 |
127 | xchg ebx,ecx |
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128 | mov edx,dword[.b_x2] |
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129 | xchg edx,dword[.b_x3] |
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130 | mov dword[.b_x2],edx |
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131 | mov edx,dword[.e_x2] |
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132 | xchg edx,dword[.e_x3] |
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133 | mov dword[.e_x2],edx |
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134 | mov dx,.z2 |
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1245 | hidnplayr | 135 | xchg dx,.z3 |
136 | mov .z2,dx |
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137 | jmp .sort3 |
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6619 | leency | 138 | .sort2: |
1245 | hidnplayr | 139 | push eax ebx ecx ; store triangle coords in variables |
6619 | leency | 140 | ; push ebx |
1245 | hidnplayr | 141 | ; push ecx |
142 | |||
143 | |||
6619 | leency | 144 | and edx,ebx ; if *all* of them are negative a sign flag is raised |
145 | and edx,ecx |
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146 | and edx,eax |
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147 | test edx,80008000h ; Check both X&Y at once |
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148 | jne .loop23_done |
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149 | ; mov edx,eax ; eax,ebx,ecx are ORd together into edx which means that |
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1245 | hidnplayr | 150 | ; or edx,ebx ; if any *one* of them is negative a sign flag is raised |
151 | ; or edx,ecx |
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152 | ; test edx,80000000h ; Check only X |
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153 | ; jne .loop23_done |
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154 | |||
155 | |||
156 | ; jg .loop23_done |
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157 | ; cmp .x2,SIZE_X ; This can be optimized with effort |
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158 | ; jg .loop23_done |
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159 | ; cmp .x3,SIZE_X |
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160 | ; jg .loop23_done ; { |
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161 | |||
162 | |||
163 | |||
6619 | leency | 164 | sub bx,.y1 |
165 | jnz .bt_dx12_make |
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166 | mov ecx,6 |
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167 | xor edx,edx |
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168 | @@: |
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1245 | hidnplayr | 169 | push edx ;dword 0 |
6619 | leency | 170 | loop @b |
171 | jmp .bt_dx12_done |
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172 | .bt_dx12_make: |
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1245 | hidnplayr | 173 | mov ax,.x2 |
6619 | leency | 174 | sub ax,.x1 |
175 | cwde |
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1245 | hidnplayr | 176 | movsx ebx,bx |
6619 | leency | 177 | shl eax,ROUND |
178 | cdq |
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1245 | hidnplayr | 179 | idiv ebx |
6619 | leency | 180 | ; mov .dx12,eax |
1245 | hidnplayr | 181 | push eax |
6619 | leency | 182 | |
1245 | hidnplayr | 183 | |
184 | |||
185 | |||
6619 | leency | 186 | cvtsi2ss xmm3,ebx ;rcps |
187 | ; mov eax,255 |
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1245 | hidnplayr | 188 | cvtsi2ss xmm4,[i255d] ;eax |
189 | divss xmm3,xmm4 |
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6619 | leency | 190 | rcpss xmm3,xmm3 |
191 | ; mulss xmm3,xmm4 |
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1245 | hidnplayr | 192 | shufps xmm3,xmm3,0 |
6619 | leency | 193 | |
1245 | hidnplayr | 194 | |
6619 | leency | 195 | movd mm1,[.b_x2] |
196 | movd mm2,[.e_x1] |
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197 | movd mm3,[.e_x2] |
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198 | ; psubsw mm3,mm2 |
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1245 | hidnplayr | 199 | ; psubsw mm1,mm0 |
200 | pxor mm4,mm4 |
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6619 | leency | 201 | punpcklwd mm0,mm4 |
1245 | hidnplayr | 202 | punpcklwd mm1,mm4 |
203 | punpcklwd mm2,mm4 |
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204 | punpcklwd mm3,mm4 |
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205 | ; pslld mm0,ROUND |
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206 | ; pslld mm1,ROUND |
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207 | ; pslld mm2,ROUND |
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208 | ; pslld mm3,ROUND |
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209 | cvtpi2ps xmm0,mm0 |
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210 | movlhps xmm0,xmm0 |
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6619 | leency | 211 | cvtpi2ps xmm0,mm2 |
1245 | hidnplayr | 212 | cvtpi2ps xmm1,mm1 |
213 | movlhps xmm1,xmm1 |
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6619 | leency | 214 | cvtpi2ps xmm1,mm3 |
1245 | hidnplayr | 215 | subps xmm1,xmm0 |
6619 | leency | 216 | |
1245 | hidnplayr | 217 | |
218 | ; movq mm5,mm1 |
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219 | ; movq mm6,mm1 |
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220 | ; pcmpeqb mm5,mm4 |
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221 | ; psubd mm1,mm0 |
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222 | ; psubd mm3,mm2 |
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223 | |||
224 | |||
225 | ; movq mm1,[.e_x1] ; ex1 ey1 ex2 ey2 |
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226 | ; pxor |
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227 | ; punpcklhd mm0,mm1 ; lwd ; |
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228 | ; psubw mm1,mm0 ; mm1, mm0 |
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229 | ; pxor mm2,mm2 |
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230 | ; pmovmaskb eax,mm1 |
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231 | ; and eax,10101010b |
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232 | ; pcmpgtw mm2,mm1 |
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233 | ; punpcklwd mm1,mm2 |
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234 | ; psllw mm0,ROUND |
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235 | ; psllw mm1,ROUND |
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236 | ; movq mm2,mm0 |
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237 | ; psrlq mm0,32 |
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238 | |||
239 | |||
240 | ; movlhps xmm0,xmm0 |
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241 | ; cvtpi2ps xmm0,mm3 |
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242 | ; divps xmm1,xmm3 |
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243 | mulps xmm1,xmm3 |
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6619 | leency | 244 | shufps xmm1,xmm1,10110001b |
245 | cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords |
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246 | movhlps xmm1,xmm1 |
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247 | cvtps2pi mm1,xmm1 |
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1245 | hidnplayr | 248 | movq .dey12q,mm0 |
6619 | leency | 249 | movq .dby12q,mm1 |
250 | |||
1245 | hidnplayr | 251 | |
252 | ; psrlq mm0,32 |
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253 | ; movd .dey12,mm0 |
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254 | ; movhlps xmm1,xmm1 |
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255 | ; cvtps2pi mm0,xmm1 |
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256 | ; movd .dbx12,mm0 |
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257 | ; psrlq mm0,32 |
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258 | ; movd .dby12,mm0 |
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259 | |||
260 | |||
261 | mov ax,word[.b_x2] |
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6619 | leency | 262 | sub ax,word[.b_x1] |
263 | cwde |
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1245 | hidnplayr | 264 | shl eax,ROUND |
6619 | leency | 265 | cdq |
1245 | hidnplayr | 266 | idiv ebx |
6619 | leency | 267 | ; mov .dbx12,eax |
1245 | hidnplayr | 268 | push eax |
6619 | leency | 269 | |
1245 | hidnplayr | 270 | |
6619 | leency | 271 | sub ax,word[.b_y1] |
272 | cwde |
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1245 | hidnplayr | 273 | shl eax,ROUND |
6619 | leency | 274 | cdq |
1245 | hidnplayr | 275 | idiv ebx |
6619 | leency | 276 | ; mov .dby12,eax |
1245 | hidnplayr | 277 | push eax |
6619 | leency | 278 | |
1245 | hidnplayr | 279 | |
280 | ; mov ebx,.dby12 |
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281 | ; int3 |
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282 | |||
283 | |||
6619 | leency | 284 | sub ax,word[.e_x1] |
285 | cwde |
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1245 | hidnplayr | 286 | shl eax,ROUND |
6619 | leency | 287 | cdq |
1245 | hidnplayr | 288 | idiv ebx |
6619 | leency | 289 | ; mov .dex12,eax |
1245 | hidnplayr | 290 | push eax |
6619 | leency | 291 | |
1245 | hidnplayr | 292 | |
6619 | leency | 293 | sub ax,word[.e_y1] |
294 | cwde |
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1245 | hidnplayr | 295 | shl eax,ROUND |
6619 | leency | 296 | cdq |
1245 | hidnplayr | 297 | idiv ebx |
6619 | leency | 298 | ; mov .dey12,eax |
1245 | hidnplayr | 299 | push eax |
6619 | leency | 300 | |
1245 | hidnplayr | 301 | |
302 | mov ax,.z2 |
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6619 | leency | 303 | sub ax,.z1 |
304 | cwde |
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305 | shl eax,CATMULL_SHIFT |
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306 | cdq |
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307 | idiv ebx |
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308 | push eax |
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309 | .bt_dx12_done: |
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1245 | hidnplayr | 310 | |
311 | |||
6619 | leency | 312 | sub bx,.y1 |
313 | jnz .bt_dx13_make |
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314 | mov ecx,6 |
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315 | xor edx,edx |
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316 | @@: |
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1245 | hidnplayr | 317 | push edx ;dword 0 |
6619 | leency | 318 | loop @b |
319 | jmp .bt_dx13_done |
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320 | .bt_dx13_make: |
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1245 | hidnplayr | 321 | mov ax,.x3 |
6619 | leency | 322 | sub ax,.x1 |
323 | cwde |
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1245 | hidnplayr | 324 | movsx ebx,bx |
6619 | leency | 325 | shl eax,ROUND |
326 | cdq |
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1245 | hidnplayr | 327 | idiv ebx |
6619 | leency | 328 | ; mov .dx13,eax |
1245 | hidnplayr | 329 | push eax |
6619 | leency | 330 | |
1245 | hidnplayr | 331 | |
332 | |||
333 | |||
334 | ; mov eax,255 |
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335 | cvtsi2ss xmm4,[i255d] |
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336 | divss xmm3,xmm4 |
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6619 | leency | 337 | rcpss xmm3,xmm3 |
338 | ; mulss xmm3,xmm4 |
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1245 | hidnplayr | 339 | shufps xmm3,xmm3,0 |
6619 | leency | 340 | sub esp,16 |
341 | |||
1245 | hidnplayr | 342 | |
6619 | leency | 343 | movd mm1,[.b_x3] |
344 | movd mm2,[.e_x1] |
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345 | movd mm3,[.e_x3] |
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346 | |||
1245 | hidnplayr | 347 | |
6619 | leency | 348 | punpcklwd mm0,mm4 |
1245 | hidnplayr | 349 | punpcklwd mm1,mm4 |
350 | punpcklwd mm2,mm4 |
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351 | punpcklwd mm3,mm4 |
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352 | |||
353 | |||
354 | movlhps xmm0,xmm0 |
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6619 | leency | 355 | cvtpi2ps xmm0,mm2 |
1245 | hidnplayr | 356 | cvtpi2ps xmm1,mm1 |
357 | movlhps xmm1,xmm1 |
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6619 | leency | 358 | cvtpi2ps xmm1,mm3 |
1245 | hidnplayr | 359 | subps xmm1,xmm0 |
6619 | leency | 360 | |
1245 | hidnplayr | 361 | |
362 | mulps xmm1,xmm3 |
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6619 | leency | 363 | shufps xmm1,xmm1,10110001b |
364 | cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords |
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365 | movhlps xmm1,xmm1 |
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366 | cvtps2pi mm1,xmm1 |
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1245 | hidnplayr | 367 | movq .dey13q,mm0 |
6619 | leency | 368 | movq .dby13q,mm1 |
369 | |||
1245 | hidnplayr | 370 | |
371 | |||
372 | |||
6619 | leency | 373 | sub ax,word[.b_x1] |
374 | cwde |
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1245 | hidnplayr | 375 | shl eax,ROUND |
6619 | leency | 376 | cdq |
1245 | hidnplayr | 377 | idiv ebx |
6619 | leency | 378 | ; mov .dbx13,eax |
1245 | hidnplayr | 379 | push eax |
6619 | leency | 380 | |
1245 | hidnplayr | 381 | |
6619 | leency | 382 | sub ax,word[.b_y1] |
383 | cwde |
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1245 | hidnplayr | 384 | shl eax,ROUND |
6619 | leency | 385 | cdq |
1245 | hidnplayr | 386 | idiv ebx |
6619 | leency | 387 | ; mov .dby13,eax |
1245 | hidnplayr | 388 | push eax |
6619 | leency | 389 | |
1245 | hidnplayr | 390 | |
6619 | leency | 391 | sub ax,word[.e_x1] |
392 | cwde |
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1245 | hidnplayr | 393 | shl eax,ROUND |
6619 | leency | 394 | cdq |
1245 | hidnplayr | 395 | idiv ebx |
6619 | leency | 396 | ; mov .dex13,eax |
1245 | hidnplayr | 397 | push eax |
6619 | leency | 398 | |
1245 | hidnplayr | 399 | |
6619 | leency | 400 | sub ax,word[.e_y1] |
401 | cwde |
||
1245 | hidnplayr | 402 | shl eax,ROUND |
6619 | leency | 403 | cdq |
1245 | hidnplayr | 404 | idiv ebx |
6619 | leency | 405 | ; mov .dey13,eax |
1245 | hidnplayr | 406 | push eax |
6619 | leency | 407 | |
1245 | hidnplayr | 408 | |
409 | |||
410 | |||
411 | sub ax,.z1 |
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412 | cwde |
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413 | shl eax,CATMULL_SHIFT |
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414 | cdq |
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415 | idiv ebx |
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416 | ; mov .dz13,eax |
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417 | push eax |
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418 | .bt_dx13_done: |
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419 | |||
420 | |||
6619 | leency | 421 | sub bx,.y2 |
422 | jnz .bt_dx23_make |
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423 | mov ecx,6 |
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424 | xor edx,edx |
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425 | @@: |
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1245 | hidnplayr | 426 | push edx ;dword 0 |
6619 | leency | 427 | loop @b |
428 | jmp .bt_dx23_done |
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429 | .bt_dx23_make: |
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1245 | hidnplayr | 430 | mov ax,.x3 |
6619 | leency | 431 | sub ax,.x2 |
432 | cwde |
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1245 | hidnplayr | 433 | movsx ebx,bx |
6619 | leency | 434 | shl eax,ROUND |
435 | cdq |
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1245 | hidnplayr | 436 | idiv ebx |
6619 | leency | 437 | ; mov .dx23,eax |
1245 | hidnplayr | 438 | push eax |
6619 | leency | 439 | |
1245 | hidnplayr | 440 | |
441 | |||
442 | |||
443 | ; mov eax,255 |
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444 | cvtsi2ss xmm4,[i255d] ;eax |
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445 | divss xmm3,xmm4 |
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6619 | leency | 446 | shufps xmm3,xmm3,0 |
447 | sub esp,16 |
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448 | |||
1245 | hidnplayr | 449 | |
6619 | leency | 450 | movd mm1,[.b_x3] |
451 | movd mm2,[.e_x2] |
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452 | movd mm3,[.e_x3] |
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453 | |||
1245 | hidnplayr | 454 | |
6619 | leency | 455 | punpcklwd mm0,mm4 |
1245 | hidnplayr | 456 | punpcklwd mm1,mm4 |
457 | punpcklwd mm2,mm4 |
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458 | punpcklwd mm3,mm4 |
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459 | |||
460 | |||
461 | movlhps xmm0,xmm0 |
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6619 | leency | 462 | cvtpi2ps xmm0,mm2 |
1245 | hidnplayr | 463 | cvtpi2ps xmm1,mm1 |
464 | movlhps xmm1,xmm1 |
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6619 | leency | 465 | cvtpi2ps xmm1,mm3 |
1245 | hidnplayr | 466 | subps xmm1,xmm0 |
6619 | leency | 467 | |
1245 | hidnplayr | 468 | |
6619 | leency | 469 | shufps xmm1,xmm1,10110001b |
470 | cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords |
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471 | movhlps xmm1,xmm1 |
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472 | cvtps2pi mm1,xmm1 |
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1245 | hidnplayr | 473 | movq .dey23q,mm0 |
6619 | leency | 474 | movq .dby23q,mm1 |
475 | |||
1245 | hidnplayr | 476 | |
477 | |||
478 | |||
6619 | leency | 479 | sub ax,word[.b_x2] |
480 | cwde |
||
1245 | hidnplayr | 481 | shl eax,ROUND |
6619 | leency | 482 | cdq |
1245 | hidnplayr | 483 | idiv ebx |
6619 | leency | 484 | ; mov .dbx23,eax |
1245 | hidnplayr | 485 | push eax |
6619 | leency | 486 | |
1245 | hidnplayr | 487 | |
6619 | leency | 488 | sub ax,word[.b_y2] |
489 | cwde |
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1245 | hidnplayr | 490 | shl eax,ROUND |
6619 | leency | 491 | cdq |
1245 | hidnplayr | 492 | idiv ebx |
6619 | leency | 493 | ; mov .dby23,eax |
1245 | hidnplayr | 494 | push eax |
6619 | leency | 495 | |
1245 | hidnplayr | 496 | |
6619 | leency | 497 | sub ax,word[.e_x2] |
498 | cwde |
||
1245 | hidnplayr | 499 | shl eax,ROUND |
6619 | leency | 500 | cdq |
1245 | hidnplayr | 501 | idiv ebx |
6619 | leency | 502 | ; mov .dex23,eax |
1245 | hidnplayr | 503 | push eax |
6619 | leency | 504 | |
1245 | hidnplayr | 505 | |
6619 | leency | 506 | sub ax,word[.e_y2] |
507 | cwde |
||
1245 | hidnplayr | 508 | shl eax,ROUND |
6619 | leency | 509 | cdq |
1245 | hidnplayr | 510 | idiv ebx |
6619 | leency | 511 | ; mov .dey23,eax |
1245 | hidnplayr | 512 | push eax |
6619 | leency | 513 | end if |
1245 | hidnplayr | 514 | mov ax,.z3 |
515 | sub ax,.z2 |
||
516 | cwde |
||
517 | shl eax,CATMULL_SHIFT |
||
518 | cdq |
||
519 | idiv ebx |
||
520 | ; mov .dz23,eax |
||
521 | push eax |
||
522 | ; sub esp,40 |
||
523 | .bt_dx23_done: |
||
524 | movsx eax,.x1 |
||
6619 | leency | 525 | shl eax,ROUND |
526 | ; mov .cx1,eax |
||
1245 | hidnplayr | 527 | ; mov .cx2,eax |
528 | push eax eax |
||
6619 | leency | 529 | ; push eax |
1245 | hidnplayr | 530 | |
531 | |||
6619 | leency | 532 | shl eax,ROUND |
533 | mov .cbx1,eax |
||
534 | mov .cbx2,eax |
||
535 | ; push eax eax |
||
1245 | hidnplayr | 536 | ; push eax |
537 | |||
538 | |||
6619 | leency | 539 | shl eax,ROUND |
540 | mov .cby1,eax |
||
541 | mov .cby2,eax |
||
542 | ; push eax eax |
||
1245 | hidnplayr | 543 | ; push eax |
544 | |||
545 | |||
6619 | leency | 546 | shl eax,ROUND |
547 | mov .cex1,eax |
||
548 | mov .cex2,eax |
||
549 | ; push eax eax |
||
1245 | hidnplayr | 550 | ;push eax |
551 | |||
552 | |||
6619 | leency | 553 | shl eax,ROUND |
554 | mov .cey1,eax |
||
555 | mov .cey2,eax |
||
556 | sub esp,32 |
||
557 | ; push eax eax |
||
1245 | hidnplayr | 558 | ;push eax |
559 | |||
560 | |||
6619 | leency | 561 | shl eax,CATMULL_SHIFT |
562 | ; mov .cz1,eax |
||
1245 | hidnplayr | 563 | ; mov .cz2,eax |
564 | push eax eax |
||
565 | ;push eax |
||
566 | |||
567 | |||
6619 | leency | 568 | cmp cx,.y2 |
569 | jge .loop12_done |
||
570 | .loop12: |
||
1245 | hidnplayr | 571 | call .call_line |
6619 | leency | 572 | |
1245 | hidnplayr | 573 | |
6619 | leency | 574 | add .cx1,eax |
575 | mov ebx,.dx12 |
||
576 | add .cx2,ebx |
||
577 | if Ext>= SSE2 |
||
2192 | leency | 578 | movups xmm0,.cey1 |
6619 | leency | 579 | movups xmm1,.cey2 |
580 | movups xmm2,.dey12q |
||
581 | movups xmm3,.dey13q |
||
582 | paddd xmm0,xmm3 |
||
583 | paddd xmm1,xmm2 |
||
584 | movups .cey1,xmm0 |
||
585 | movups .cey2,xmm1 |
||
586 | else if (Ext = MMX) | (Ext=SSE) |
||
2192 | leency | 587 | movq mm0,.cby2 ; with this optimization object |
6619 | leency | 588 | movq mm1,.cby1 ; looks bit annoying |
589 | movq mm2,.cey2 |
||
590 | movq mm3,.cey1 |
||
591 | paddd mm0,.dby12q |
||
592 | paddd mm1,.dby13q |
||
593 | paddd mm2,.dey12q |
||
594 | paddd mm3,.dey13q |
||
595 | movq .cby2,mm0 |
||
596 | movq .cby1,mm1 |
||
597 | movq .cey1,mm3 |
||
598 | movq .cey2,mm2 |
||
599 | else |
||
1245 | hidnplayr | 600 | mov edx,.dbx13 |
6619 | leency | 601 | add .cbx1,edx |
602 | mov eax,.dbx12 |
||
603 | add .cbx2,eax |
||
604 | mov ebx,.dby13 |
||
605 | add .cby1,ebx |
||
606 | mov edx,.dby12 |
||
607 | add .cby2,edx |
||
608 | |||
1245 | hidnplayr | 609 | |
6619 | leency | 610 | add .cex1,eax |
611 | mov ebx,.dex12 |
||
612 | add .cex2,ebx |
||
613 | mov edx,.dey13 |
||
614 | add .cey1,edx |
||
615 | mov eax,.dey12 |
||
616 | add .cey2,eax |
||
617 | |||
1245 | hidnplayr | 618 | |
619 | mov ebx,.dz13 |
||
6619 | leency | 620 | add .cz1,ebx |
621 | mov edx,.dz12 |
||
622 | add .cz2,edx |
||
623 | |||
1245 | hidnplayr | 624 | |
6619 | leency | 625 | cmp cx,.y2 |
626 | jl .loop12 |
||
627 | .loop12_done: |
||
1245 | hidnplayr | 628 | |
629 | |||
6619 | leency | 630 | cmp cx,.y3 |
631 | jge .loop23_done |
||
632 | |||
1245 | hidnplayr | 633 | |
6619 | leency | 634 | shl eax,CATMULL_SHIFT |
635 | mov .cz2,eax |
||
636 | |||
1245 | hidnplayr | 637 | |
6619 | leency | 638 | shl eax,ROUND |
639 | mov .cx2,eax |
||
640 | |||
1245 | hidnplayr | 641 | |
6619 | leency | 642 | shl eax,ROUND |
643 | mov .cbx2,eax |
||
644 | |||
1245 | hidnplayr | 645 | |
6619 | leency | 646 | shl eax,ROUND |
647 | mov .cby2,eax |
||
648 | |||
1245 | hidnplayr | 649 | |
6619 | leency | 650 | shl eax,ROUND |
651 | mov .cex2,eax |
||
652 | |||
1245 | hidnplayr | 653 | |
6619 | leency | 654 | shl eax,ROUND |
655 | mov .cey2,eax |
||
656 | |||
1245 | hidnplayr | 657 | |
658 | call .call_line |
||
6619 | leency | 659 | ;if Ext = NON |
1245 | hidnplayr | 660 | mov eax,.dx13 |
6619 | leency | 661 | add .cx1,eax |
662 | mov ebx,.dx23 |
||
663 | add .cx2,ebx |
||
664 | if Ext>= SSE2 |
||
2192 | leency | 665 | movups xmm0,.cey1 |
6619 | leency | 666 | movups xmm1,.cey2 |
667 | movups xmm2,.dey23q |
||
668 | movups xmm3,.dey13q |
||
669 | paddd xmm0,xmm3 |
||
670 | paddd xmm1,xmm2 |
||
671 | movups .cey1,xmm0 |
||
672 | movups .cey2,xmm1 |
||
673 | else if (Ext = MMX) | ( Ext = SSE) |
||
2192 | leency | 674 | movq mm0,.cby2 ; with this mmx optimization object looks bit |
6619 | leency | 675 | movq mm1,.cby1 ; annoying |
676 | movq mm2,.cey2 |
||
677 | movq mm3,.cey1 |
||
678 | paddd mm0,.dby23q |
||
679 | paddd mm1,.dby13q |
||
680 | paddd mm2,.dey23q |
||
681 | paddd mm3,.dey13q |
||
682 | movq .cby2,mm0 |
||
683 | movq .cby1,mm1 |
||
684 | movq .cey2,mm2 |
||
685 | movq .cey1,mm3 |
||
686 | |||
1245 | hidnplayr | 687 | |
688 | mov edx,.dbx13 |
||
6619 | leency | 689 | add .cbx1,edx |
690 | mov eax,.dbx23 |
||
691 | add .cbx2,eax |
||
692 | mov ebx,.dby13 |
||
693 | add .cby1,ebx |
||
694 | mov edx,.dby23 |
||
695 | add .cby2,edx |
||
696 | |||
1245 | hidnplayr | 697 | |
6619 | leency | 698 | add .cex1,eax |
699 | mov ebx,.dex23 |
||
700 | add .cex2,ebx |
||
701 | mov edx,.dey13 |
||
702 | add .cey1,edx |
||
703 | mov eax,.dey23 |
||
704 | add .cey2,eax |
||
705 | end if |
||
1245 | hidnplayr | 706 | |
707 | |||
6619 | leency | 708 | add .cz1,ebx |
709 | mov edx,.dz23 |
||
710 | add .cz2,edx |
||
711 | ;else |
||
1245 | hidnplayr | 712 | ; movq mm0,.db13q |
713 | ; movq mm1,.cbx1q |
||
714 | |||
715 | |||
6619 | leency | 716 | cmp cx,.y3 |
717 | jl .loop23 |
||
718 | .loop23_done: |
||
1245 | hidnplayr | 719 | |
720 | |||
6619 | leency | 721 | ret 34 |
1245 | hidnplayr | 722 | |
723 | |||
724 | |||
725 | |||
726 | |||
727 | |||
6619 | leency | 728 | push .cz2 |
729 | push .z_buff |
||
730 | push .t_bmap |
||
731 | push .t_emap |
||
732 | push dword .cey2 |
||
733 | push .cex2 |
||
734 | push dword .cey1 |
||
735 | push .cex1 |
||
736 | push dword .cby2 |
||
737 | push .cbx2 |
||
738 | push dword .cby1 |
||
739 | push .cbx1 |
||
740 | push ecx |
||
741 | |||
1245 | hidnplayr | 742 | |
6619 | leency | 743 | sar eax,ROUND |
744 | mov ebx,.cx2 |
||
745 | sar ebx,ROUND |
||
746 | |||
1245 | hidnplayr | 747 | |
6619 | leency | 748 | |
1245 | hidnplayr | 749 | |
750 | ret |
||
751 | two_tex_line_z: |
||
752 | ;--------------in: eax - x1 |
||
753 | ;-------------- ebx - x2 |
||
754 | ;-------------- edi - pointer to screen buffer |
||
755 | ;stack - another parameters : |
||
756 | .y equ dword [ebp+4] |
||
6619 | leency | 757 | .bx1 equ [ebp+8] ; --- |
758 | .by1 equ [ebp+12] ; | |
||
759 | .bx2 equ [ebp+16] ; | |
||
760 | .by2 equ [ebp+20] ; |> b. texture and e. texture coords |
||
761 | .ex1 equ [ebp+24] ; |> shifted shl ROUND |
||
762 | .ey1 equ [ebp+28] ; | |
||
763 | .ex2 equ [ebp+32] ; | |
||
764 | .ey2 equ [ebp+36] ; --- |
||
765 | .emap equ [ebp+40] ; b texture offset |
||
766 | .bmap equ [ebp+44] ; e texture offset |
||
767 | .z_buff equ dword [ebp+48] |
||
1245 | hidnplayr | 768 | .z2 equ dword [ebp+52] ; -- |> z coords shifted |
6619 | leency | 769 | .z1 equ dword [ebp+56] ; -- shl CATMULL_SHIFT |
770 | |||
1245 | hidnplayr | 771 | |
6619 | leency | 772 | .x2 equ dword [ebp-8] |
773 | .dbx equ [ebp-12] |
||
774 | .dex equ [ebp-16] |
||
775 | .dby equ [ebp-20] |
||
776 | .dey equ [ebp-24] |
||
777 | .dz equ dword [ebp-28] |
||
778 | .cbx equ [ebp-32] |
||
779 | .cex equ [ebp-36] |
||
780 | .cby equ [ebp-40] |
||
781 | .cey equ [ebp-44] |
||
782 | .cz equ dword [ebp-48] |
||
783 | .czbuff equ dword [ebp-52] |
||
1245 | hidnplayr | 784 | |
785 | |||
6619 | leency | 786 | |
1245 | hidnplayr | 787 | |
6619 | leency | 788 | or ecx,ecx |
789 | jl .bl_end |
||
790 | cmp cx,word[size_y_var] ;SIZE_Y |
||
791 | jge .bl_end |
||
792 | |||
1245 | hidnplayr | 793 | |
6619 | leency | 794 | jl @f |
795 | je .bl_end |
||
796 | |||
1245 | hidnplayr | 797 | |
6619 | leency | 798 | if Ext=NON |
1245 | hidnplayr | 799 | mov edx,.bx1 |
6619 | leency | 800 | xchg edx,.bx2 |
801 | mov .bx1,edx |
||
802 | mov edx,.by1 |
||
803 | xchg edx,.by2 |
||
804 | mov .by1,edx |
||
805 | |||
1245 | hidnplayr | 806 | |
6619 | leency | 807 | xchg edx,.ex2 |
808 | mov .ex1,edx |
||
809 | mov edx,.ey1 |
||
810 | xchg edx,.ey2 |
||
811 | mov .ey1,edx |
||
812 | else |
||
1245 | hidnplayr | 813 | movq mm0,.bx1 |
6619 | leency | 814 | movq mm1,.ex1 |
815 | movq mm2,.bx2 |
||
816 | movq mm3,.ex2 |
||
817 | movq .bx2,mm0 |
||
818 | movq .ex2,mm1 |
||
819 | movq .bx1,mm2 |
||
820 | movq .ex1,mm3 |
||
821 | end if |
||
1245 | hidnplayr | 822 | mov edx,.z1 |
6619 | leency | 823 | xchg edx,.z2 |
824 | mov .z1,edx |
||
825 | @@: |
||
1245 | hidnplayr | 826 | push eax ebx ;store x1, x2 |
6619 | leency | 827 | mov ebx,.x1 |
828 | movzx edx,word[size_x_var] |
||
829 | cmp ebx,edx |
||
830 | ; cmp bx,word[size_x_var] ;SIZE_X |
||
831 | jg .bl_end |
||
832 | cmp .x2,0 |
||
833 | jle .bl_end |
||
834 | |||
1245 | hidnplayr | 835 | |
6619 | leency | 836 | sub ebx,.x1 |
837 | |||
1245 | hidnplayr | 838 | |
1931 | yogev_ezra | 839 | |
1245 | hidnplayr | 840 | |
6619 | leency | 841 | cvtsi2ss xmm3,ebx ;rcps |
842 | shufps xmm3,xmm3,0 |
||
843 | |||
1245 | hidnplayr | 844 | |
845 | ; movq mm1,.bx2q |
||
846 | ; movq mm2,.ex1q |
||
847 | ; movq mm3,.ex2q |
||
848 | ; psubd mm1,mm0 |
||
849 | ; psubd mm3,mm2 |
||
850 | ; cvtpi2ps xmm1,mm1 |
||
851 | ; movlhps xmm1,xmm1 |
||
852 | ; cvtpi2ps xmm1,mm3 |
||
853 | |||
854 | |||
1931 | yogev_ezra | 855 | movlhps xmm0,xmm0 |
6619 | leency | 856 | cvtpi2ps xmm0,.ex1 ;mm2 ; ex1; ey1 |
1931 | yogev_ezra | 857 | cvtpi2ps xmm1,.bx2 ;mm1 ; bx2; by2 |
858 | movlhps xmm1,xmm1 |
||
6619 | leency | 859 | cvtpi2ps xmm1,.ex2 ;mm3 ; ex2; ey2 |
1931 | yogev_ezra | 860 | subps xmm1,xmm0 |
6619 | leency | 861 | ; hi lo |
862 | divps xmm1,xmm3 ; xmm1 -> dby; dbx; dey; dex |
||
863 | |||
1245 | hidnplayr | 864 | |
6619 | leency | 865 | cvtps2pi mm0,xmm1 ; mm0 -> 2 delta dwords |
866 | movhlps xmm1,xmm1 |
||
867 | cvtps2pi mm1,xmm1 |
||
1245 | hidnplayr | 868 | movq .dex,mm0 ; hi - lo -> dbx, dex |
6619 | leency | 869 | movq .dey,mm1 ; hi - lo -> dby, dey |
870 | |||
1245 | hidnplayr | 871 | |
872 | |||
873 | |||
6619 | leency | 874 | sub eax,.bx1 |
875 | cdq |
||
876 | idiv ebx |
||
877 | push eax |
||
878 | |||
1245 | hidnplayr | 879 | |
6619 | leency | 880 | sub eax,.ex1 |
881 | cdq |
||
882 | idiv ebx |
||
883 | push eax |
||
884 | |||
1245 | hidnplayr | 885 | |
6619 | leency | 886 | sub eax,.by1 |
887 | cdq |
||
888 | idiv ebx |
||
889 | push eax |
||
890 | |||
1245 | hidnplayr | 891 | |
6619 | leency | 892 | sub eax,.ey1 |
893 | cdq |
||
894 | idiv ebx |
||
895 | push eax |
||
896 | |||
1245 | hidnplayr | 897 | |
898 | |||
899 | |||
6619 | leency | 900 | sub eax,.z1 |
901 | cdq |
||
902 | idiv ebx |
||
903 | push eax |
||
904 | |||
1245 | hidnplayr | 905 | |
6619 | leency | 906 | jge @f ; CLIPPING ON FUNCTION |
907 | ; cutting triangle exceedes screen |
||
908 | mov ebx,.x1 |
||
909 | neg ebx |
||
910 | imul ebx ; eax = .dz * abs(.x1) |
||
911 | add .z1,eax |
||
912 | mov .x1,0 |
||
913 | |||
1245 | hidnplayr | 914 | |
6619 | leency | 915 | imul ebx |
916 | add .bx1,eax |
||
917 | |||
1245 | hidnplayr | 918 | |
6619 | leency | 919 | imul ebx |
920 | add .by1,eax |
||
921 | |||
1245 | hidnplayr | 922 | |
6619 | leency | 923 | imul ebx |
924 | add .ex1,eax |
||
925 | |||
1245 | hidnplayr | 926 | |
6619 | leency | 927 | imul ebx |
928 | add .ey1,eax |
||
929 | @@: |
||
1245 | hidnplayr | 930 | movzx eax,word[size_x_var] ;SIZE_X ;word[size_x_var] |
6619 | leency | 931 | mov ebx,.x2 |
932 | cmp eax,ebx |
||
933 | jg @f |
||
934 | mov .x2,eax |
||
935 | @@: |
||
1245 | hidnplayr | 936 | ; movd mm0,eax |
6619 | leency | 937 | ; movd mm1,.x2 |
938 | ; pminsw mm0,mm1 |
||
939 | ; movd .x2,mm0 |
||
940 | ; cmp .x2,SIZE_X ;eax | |
||
941 | ; jl @f |> this dont work idk cause |
||
942 | ; mov .x2,SIZE_X ;eax | |
||
943 | @@: |
||
944 | ; movzx eax,word[size_x_var] ;calc memory begin in buffers |
||
945 | mov ebx,.y |
||
946 | mul ebx |
||
947 | mov ebx,.x1 |
||
948 | add eax,ebx |
||
949 | mov ebx,eax |
||
950 | lea eax,[eax*3] |
||
951 | add edi,eax ; edi - screen |
||
952 | mov esi,.z_buff ; z-buffer filled with dd variables |
||
953 | shl ebx,2 |
||
954 | add esi,ebx ; esi - Z buffer |
||
955 | |||
1245 | hidnplayr | 956 | |
6619 | leency | 957 | sub ecx,.x1 |
958 | ; init current variables |
||
959 | push dword .bx1 ;.by1 .ex1 .ey1 .z1 esi |
||
960 | push dword .ex1 |
||
961 | push dword .by1 |
||
962 | push dword .ey1 |
||
963 | |||
1245 | hidnplayr | 964 | |
6619 | leency | 965 | push esi |
966 | |||
1245 | hidnplayr | 967 | |
968 | pxor mm0,mm0 |
||
969 | movq mm3,.cex ; hi - lo -> cbx; cex |
||
1931 | yogev_ezra | 970 | movq mm4,.cey ; hi - lo -> cby; cey |
971 | ; movq mm5,mm3 |
||
1245 | hidnplayr | 972 | ; movq mm6,mm4 |
973 | ; psrad mm5,ROUND |
||
974 | ; psrad mm6,ROUND |
||
975 | ; movq .ceyq,mm5 |
||
976 | ; movq .cbyq,mm6 |
||
977 | mov edx,.czbuff |
||
978 | else |
||
979 | cld |
||
980 | end if |
||
981 | .draw: |
||
982 | ; if TEX = SHIFTING ;bump drawing only in shifting mode |
||
983 | if Ext=NON |
||
984 | mov esi,.czbuff ; .czbuff current address in buffer |
||
6619 | leency | 985 | mov ebx,.cz ; .cz - cur z position |
986 | cmp ebx,dword[esi] |
||
987 | else |
||
1245 | hidnplayr | 988 | mov ebx,.cz |
6619 | leency | 989 | cmp ebx,dword[edx] |
990 | end if |
||
1245 | hidnplayr | 991 | jge .skip |
6619 | leency | 992 | |
1245 | hidnplayr | 993 | |
1931 | yogev_ezra | 994 | mov eax,.cby |
6619 | leency | 995 | mov esi,.cbx |
996 | sar eax,ROUND |
||
997 | sar esi,ROUND |
||
998 | shl eax,TEX_SHIFT ;- |
||
999 | add esi,eax |
||
1000 | lea esi,[esi*3] ;- ; esi - current b. texture addres |
||
1001 | add esi,.bmap |
||
1002 | |||
1245 | hidnplayr | 1003 | |
6619 | leency | 1004 | mov eax,.cey ;.cey - current env map y |
1005 | sar ebx,ROUND |
||
1006 | sar eax,ROUND |
||
1007 | |||
1931 | yogev_ezra | 1008 | |
6619 | leency | 1009 | add ebx,eax |
1010 | lea ebx,[ebx*3] |
||
1011 | add ebx,.emap |
||
1012 | |||
1931 | yogev_ezra | 1013 | |
1014 | |||
1015 | movq mm5,mm4 ;.cey |
||
6619 | leency | 1016 | psrad mm5,ROUND |
1017 | pslld mm5,TEX_SHIFT |
||
1018 | movq mm6,mm3 ;.cex |
||
1019 | psrad mm6,ROUND |
||
1020 | paddd mm5,mm6 |
||
1021 | movq mm6,mm5 |
||
1022 | paddd mm5,mm5 |
||
1023 | paddd mm5,mm6 |
||
1024 | paddd mm5,.emap |
||
1025 | movd esi,mm5 |
||
1026 | psrlq mm5,32 |
||
1027 | movd ebx,mm5 |
||
1028 | end if |
||
1931 | yogev_ezra | 1029 | if Ext>=MMX |
1245 | hidnplayr | 1030 | movd mm1,[esi] |
6619 | leency | 1031 | movd mm2,[ebx] |
1032 | punpcklbw mm1,mm0 |
||
1033 | punpcklbw mm2,mm0 |
||
1034 | pmullw mm1,mm2 |
||
1035 | psrlw mm1,8 |
||
1036 | packuswb mm1,mm0 |
||
1037 | movd [edi],mm1 |
||
1038 | mov ebx,.cz |
||
1039 | mov dword[edx],ebx |
||
1040 | else |
||
1245 | hidnplayr | 1041 | cld ; esi - tex e. |
6619 | leency | 1042 | lodsb ; ebx - tex b. |
1043 | mov dl,[ebx] |
||
1044 | mul dl |
||
1045 | shr ax,8 |
||
1046 | stosb |
||
1047 | inc ebx |
||
1048 | lodsb |
||
1049 | mov dl,[ebx] |
||
1050 | mul dl |
||
1051 | shr ax,8 |
||
1052 | stosb |
||
1053 | inc ebx |
||
1054 | lodsb |
||
1055 | mov dl,[ebx] |
||
1056 | mul dl |
||
1057 | shr ax,8 |
||
1058 | stosb |
||
1059 | mov ebx,.cz |
||
1060 | mov esi,.czbuff |
||
1061 | mov dword[esi],ebx |
||
1062 | jmp .no_skip |
||
1063 | end if |
||
1245 | hidnplayr | 1064 | .skip: |
1065 | add edi,3 |
||
6619 | leency | 1066 | |
1245 | hidnplayr | 1067 | |
1068 | .no_skip: |
||
1069 | add .czbuff,4 |
||
6619 | leency | 1070 | mov eax,.dbx |
1071 | add .cbx,eax |
||
1072 | mov eax,.dby |
||
1073 | add .cby,eax |
||
1074 | mov eax,.dex |
||
1075 | add .cex,eax |
||
1076 | mov eax,.dey |
||
1077 | add .cey,eax |
||
1078 | else |
||
1245 | hidnplayr | 1079 | add edx,4 |
6619 | leency | 1080 | paddd mm3,.dex |
1081 | paddd mm4,.dey |
||
1082 | ; movq mm5,mm3 |
||
1245 | hidnplayr | 1083 | ; movq mm6,mm4 |
1084 | ; psrad mm5,ROUND |
||
1085 | ; psrad mm6,ROUND |
||
1086 | ; movq .cex,mm3 |
||
1979 | yogev_ezra | 1087 | ; movq .cey,mm4 |
1088 | end if |
||
1245 | hidnplayr | 1089 | mov eax,.dz |
6619 | leency | 1090 | add .cz,eax |
1091 | if Ext = NON |
||
1245 | hidnplayr | 1092 | dec ecx |
6619 | leency | 1093 | jnz .draw |
1094 | else |
||
1245 | hidnplayr | 1095 | loop .draw |
6619 | leency | 1096 | end if |
1245 | hidnplayr | 1097 | |
1098 | |||
1099 | mov esp,ebp |
||
6619 | leency | 1100 | ret 56 |
1245 | hidnplayr | 1101 |