Rev 5175 | Rev 5353 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
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5153 | IgorA | 1 | |
2 | align 4 |
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3 | txt_gl_scal db 'glopScale',0 |
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5269 | IgorA | 4 | txt_gl_tran db 'glopTranslate',0 |
5 | |||
6 | |||
7 | proc gl_print_matrix uses eax ebx ecx edi, m:dword, rows:dword |
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5153 | IgorA | 8 | mov ecx,[rows] |
9 | cmp ecx,1 |
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10 | jl .end_f |
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11 | mov ebx,[m] |
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12 | mov word[NumberSymbolsAD],3 |
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13 | finit |
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14 | @@: |
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15 | lea edi,[buf_param] |
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16 | mov byte[edi],0 |
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17 | |||
18 | |||
19 | fstp qword[Data_Double] |
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20 | call DoubleFloat_to_String |
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21 | stdcall str_cat, edi,Data_String |
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22 | |||
23 | |||
24 | stdcall str_len,edi |
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25 | add edi,eax |
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26 | |||
27 | |||
28 | fstp qword[Data_Double] |
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29 | call DoubleFloat_to_String |
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30 | stdcall str_cat, edi,Data_String |
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31 | |||
32 | |||
33 | stdcall str_len,edi |
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34 | add edi,eax |
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35 | |||
36 | |||
37 | fstp qword[Data_Double] |
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38 | call DoubleFloat_to_String |
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39 | stdcall str_cat, edi,Data_String |
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40 | |||
41 | |||
42 | stdcall str_len,edi |
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43 | add edi,eax |
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44 | |||
45 | |||
46 | fstp qword[Data_Double] |
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47 | call DoubleFloat_to_String |
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48 | stdcall str_cat, edi,Data_String |
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49 | |||
50 | |||
51 | stdcall dbg_print,txt_sp,buf_param |
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52 | |||
53 | |||
54 | dec ecx |
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55 | cmp ecx,0 |
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56 | jg @b |
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57 | .end_f: |
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58 | ret |
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59 | endp |
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60 | end if |
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61 | |||
62 | |||
63 | { |
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64 | local .end_0 |
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65 | xor reg,reg |
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66 | cmp dword[context+offs_cont_matrix_mode],1 |
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67 | jg .end_0 |
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68 | inc reg |
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69 | .end_0: |
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70 | mov dword[context+offs_cont_matrix_model_projection_updated],reg |
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71 | } |
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72 | |||
73 | |||
74 | proc glopMatrixMode uses eax ebx, context:dword, p:dword |
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75 | mov eax,[context] |
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76 | mov ebx,[p] |
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77 | |||
78 | |||
79 | jne @f |
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80 | mov dword[eax+offs_cont_matrix_mode],0 |
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81 | jmp .end_f |
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82 | @@: |
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83 | cmp dword[ebx+4],GL_PROJECTION |
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84 | jne @f |
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85 | mov dword[eax+offs_cont_matrix_mode],1 |
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86 | jmp .end_f |
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87 | @@: |
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88 | cmp dword[ebx+4],GL_TEXTURE |
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89 | jne .def |
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90 | mov dword[eax+offs_cont_matrix_mode],2 |
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91 | jmp .end_f |
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92 | .def: |
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93 | ;assert(0); |
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94 | .end_f: |
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95 | ret |
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96 | endp |
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97 | |||
98 | |||
99 | proc glopLoadMatrix uses eax edi esi, context:dword, p:dword |
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100 | mov eax,[context] |
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101 | mov edi,[eax+offs_cont_matrix_mode] |
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102 | shl edi,2 |
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103 | add edi,eax |
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104 | mov edi,dword[edi+offs_cont_matrix_stack_ptr] |
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105 | |||
106 | |||
107 | add esi,4 |
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108 | stdcall gl_M4_Transpose,edi,esi ;транспонируем входную матрицу в матрицу context.matrix_stack_ptr[context.matrix_mode] |
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109 | |||
110 | |||
111 | ret |
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112 | endp |
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113 | |||
114 | |||
115 | proc glopLoadIdentity uses eax ebx, context:dword, p:dword |
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116 | mov eax,[context] |
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117 | mov ebx,[eax+offs_cont_matrix_mode] |
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118 | shl ebx,2 |
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119 | add ebx,eax |
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120 | |||
121 | |||
122 | if DEBUG ;glopLoadIdentity |
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123 | stdcall gl_print_matrix,[ebx+offs_cont_matrix_stack_ptr],4 |
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124 | end if |
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125 | gl_matrix_update eax,ebx |
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126 | ret |
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127 | endp |
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128 | |||
129 | |||
130 | proc glopMultMatrix uses eax edi esi, context:dword, p:dword |
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131 | locals |
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132 | m M4 |
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133 | endl |
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134 | mov esi,[p] |
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135 | add esi,4 |
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136 | mov edi,ebp |
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137 | sub edi,sizeof.M4 |
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138 | stdcall gl_M4_Transpose,edi,esi ;транспонируем входную матрицу в локальную матрицу m |
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139 | |||
140 | |||
141 | mov esi,[eax+offs_cont_matrix_mode] |
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142 | shl esi,2 |
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143 | add esi,eax |
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144 | stdcall gl_M4_MulLeft,dword[esi+offs_cont_matrix_stack_ptr],edi |
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145 | |||
146 | |||
147 | ret |
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148 | endp |
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149 | |||
150 | |||
151 | proc glopPushMatrix uses eax ebx, context:dword, p:dword |
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152 | mov eax,[context] |
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153 | mov ebx,[eax+offs_cont_matrix_mode] |
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154 | |||
155 | |||
156 | ; < c->matrix_stack_depth_max[ebx] ); |
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157 | |||
158 | |||
159 | add ebx,eax |
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160 | add ebx,offs_cont_matrix_stack_ptr |
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161 | add dword[ebx],sizeof.M4 |
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162 | mov ebx,[ebx] ;ebx = ++context.matrix_stack_ptr[context.matrix_mode] |
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163 | |||
164 | |||
165 | push ebx |
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166 | add ebx,sizeof.M4 |
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167 | stdcall gl_M4_Move, ebx |
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168 | |||
169 | |||
170 | ret |
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171 | endp |
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172 | |||
173 | |||
174 | proc glopPopMatrix uses eax ebx, context:dword, p:dword |
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175 | mov eax,[context] |
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176 | mov ebx,[eax+offs_cont_matrix_mode] |
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177 | |||
178 | |||
179 | |||
180 | |||
181 | add ebx,eax |
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182 | sub dword[ebx+offs_cont_matrix_stack_ptr],sizeof.M4 |
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183 | |||
184 | |||
185 | ret |
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186 | endp |
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187 | |||
188 | |||
189 | proc glopRotate uses eax ebx ecx, context:dword, p:dword |
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190 | locals |
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191 | u0 dd ? |
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192 | u1 dd ? |
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193 | u2 dd ? |
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194 | angle dd ? |
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195 | cost dd ? |
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196 | sint dd ? |
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197 | m M4 |
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198 | endl |
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199 | |||
200 | |||
201 | mov ebx,[p] |
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202 | mov ecx,ebp |
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203 | sub ecx,sizeof.M4 ;ecx=&m |
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204 | finit |
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205 | fldpi |
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206 | fmul dword[ebx+4] |
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207 | fdiv dword[an180f] |
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208 | fst dword[angle] ;angle = p[1].f * M_PI / 180.0 |
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209 | ;st0 = angle |
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210 | |||
211 | |||
212 | fild dword[ebx+8] |
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213 | fstp dword[u0] |
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214 | fild dword[ebx+12] |
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215 | fstp dword[u1] |
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216 | fild dword[ebx+16] |
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217 | fst dword[u2] |
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218 | |||
219 | |||
220 | xor ebx,ebx |
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221 | fcomp st1 ;u2 ... 0 |
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222 | fstsw ax |
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223 | sahf |
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224 | je @f |
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225 | inc ebx |
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226 | @@: |
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227 | fcom dword[u1] ;0 ... u1 |
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228 | fstsw ax |
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229 | sahf |
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230 | je @f |
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231 | or ebx,2 |
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232 | @@: |
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233 | fcom dword[u0] ;0 ... u0 |
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234 | fstsw ax |
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235 | sahf |
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236 | je @f |
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237 | or ebx,4 |
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238 | @@: |
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239 | ;st0 = 0, st1 = angle |
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240 | |||
241 | |||
242 | cmp ebx,0 |
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243 | je .end_f ;если нет поворотов выход из функции |
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244 | cmp ebx,4 |
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245 | jne @f |
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246 | fcomp dword[u0] ;0 ... u0 |
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247 | fstsw ax |
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248 | sahf |
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249 | jae .u0ch |
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250 | fchs |
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251 | fstp dword[angle] ;if (u0 < 0) angle *= -1 |
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252 | .u0ch: |
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253 | stdcall gl_M4_Rotate, ecx,[angle],0 |
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254 | jmp .end_sw |
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255 | @@: |
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256 | cmp ebx,2 |
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257 | jne @f |
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258 | fcomp dword[u1] ;0 ... u1 |
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259 | fstsw ax |
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260 | sahf |
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261 | jae .u1ch |
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262 | fchs |
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263 | fstp dword[angle] ;if (u1 < 0) angle *= -1 |
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264 | .u1ch: |
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265 | stdcall gl_M4_Rotate, ecx,[angle],1 |
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266 | jmp .end_sw |
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267 | @@: |
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268 | cmp ebx,1 |
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269 | jne @f |
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270 | fcomp dword[u2] ;0 ... u2 |
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271 | fstsw ax |
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272 | sahf |
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273 | jae .u2ch |
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274 | fchs |
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275 | fstp dword[angle] ;if (u2 < 0) angle *= -1 |
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276 | .u2ch: |
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277 | stdcall gl_M4_Rotate, ecx,[angle],2 |
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278 | jmp .end_sw |
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279 | @@: ;default: |
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280 | if DEBUG ;glopRotete |
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281 | stdcall dbg_print,txt_sp,m_1 |
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282 | end if |
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283 | |||
284 | |||
285 | fld dword[u0] |
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286 | fmul st0,st0 |
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287 | fld dword[u1] |
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288 | fmul st0,st0 |
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289 | fld dword[u2] |
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290 | fmul st0,st0 |
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291 | fadd st0,st1 |
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292 | fadd st0,st2 |
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293 | ; fst dword[len] ;len = u0*u0+u1*u1+u2*u2 |
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294 | fcom st1 |
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295 | fstsw ax |
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296 | sahf |
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297 | je .end_f ;if (len == 0.0f) return |
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298 | fsqrt |
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299 | fld1 |
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300 | fdiv st0,st1 |
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301 | ; fst dword[len] ;len = 1.0f / sqrt(len) |
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302 | fld dword[u0] |
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303 | fmul st0,st1 |
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304 | fstp dword[u0] ;u0 *= len |
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305 | fld dword[u1] |
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306 | fmul st0,st1 |
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307 | fstp dword[u1] ;u1 *= len |
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308 | fld dword[u2] |
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309 | fmul st0,st1 |
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310 | fstp dword[u2] ;u2 *= len |
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311 | ;st0 = len, st1=..., st2=..., st3 = 0, st4 = angle |
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312 | |||
313 | |||
314 | finit |
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315 | fld dword[angle] |
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316 | fcos |
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317 | fst dword[cost] ;cost=cos(angle) |
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318 | fld dword[angle] |
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319 | fsin |
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320 | fst dword[sint] ;sint=sin(angle) |
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321 | |||
322 | |||
323 | mov ebx,0.0 |
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324 | mov [ecx+3*16 ],ebx ;m[3][0] |
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325 | mov [ecx+3*16 +4],ebx ;m[3][1] |
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326 | mov [ecx+3*16 +8],ebx ;m[3][2] |
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327 | mov [ecx+ 12],ebx ;m[0][3] |
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328 | mov [ecx+ 16+12],ebx ;m[1][3] |
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329 | mov [ecx+2*16+12],ebx ;m[2][3] |
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330 | mov ebx,1.0 |
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331 | mov [ecx+3*16+12],ebx ;m[3][3] |
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332 | |||
333 | |||
334 | ; m.m[0][0]=u[0]*u[0]+cost*(1-u[0]*u[0]); |
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335 | ; m.m[1][0]=u[0]*u[1]*(1-cost)-u[2]*sint; |
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336 | ; m.m[2][0]=u[2]*u[0]*(1-cost)+u[1]*sint; |
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337 | ; m.m[0][1]=u[0]*u[1]*(1-cost)+u[2]*sint; |
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338 | ; m.m[1][1]=u[1]*u[1]+cost*(1-u[1]*u[1]); |
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339 | ; m.m[2][1]=u[1]*u[2]*(1-cost)-u[0]*sint; |
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340 | ; m.m[0][2]=u[2]*u[0]*(1-cost)-u[1]*sint; |
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341 | ; m.m[1][2]=u[1]*u[2]*(1-cost)+u[0]*sint; |
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342 | ; m.m[2][2]=u[2]*u[2]+cost*(1-u[2]*u[2]); |
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343 | .end_sw: |
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344 | |||
345 | |||
346 | mov ebx,[eax+offs_cont_matrix_mode] |
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347 | shl ebx,2 |
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348 | add ebx,eax |
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349 | stdcall gl_M4_MulLeft,dword[ebx+offs_cont_matrix_stack_ptr],ecx |
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350 | if DEBUG ;glopRotete |
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351 | stdcall gl_print_matrix,ecx,4 |
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352 | end if |
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353 | gl_matrix_update eax,ebx |
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354 | .end_f: |
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355 | ret |
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356 | endp |
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357 | |||
358 | |||
359 | proc glopScale uses eax ebx ecx, context:dword, p:dword |
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360 | mov ecx,[p] |
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361 | |||
362 | |||
363 | mov ebx,[eax+offs_cont_matrix_mode] |
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364 | shl ebx,2 |
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365 | add ebx,eax |
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366 | mov ebx,[ebx+offs_cont_matrix_stack_ptr] ;ebx = &m[0] |
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367 | |||
368 | |||
369 | fld dword[ecx+ 8] ;y |
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370 | fld dword[ecx+12] ;z |
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371 | mov ecx,4 |
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372 | @@: |
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373 | fld dword[ebx] ;m[0] |
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374 | fmul st0,st3 ;m[0] * x |
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375 | fstp dword[ebx] ;m[0] *= x |
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376 | fld dword[ebx+4] ;m[1] |
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377 | fmul st0,st2 ;m[1] * y |
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378 | fstp dword[ebx+4];m[1] *= y |
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379 | fld dword[ebx+8] ;m[2] |
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380 | fmul st0,st1 ;m[2] * z |
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381 | fstp dword[ebx+8];m[2] *= z |
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382 | add ebx,16 |
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383 | loop @b |
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384 | |||
385 | |||
386 | stdcall dbg_print,txt_gl_scal,txt_nl |
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5269 | IgorA | 387 | mov ebx,[eax+offs_cont_matrix_mode] |
5153 | IgorA | 388 | shl ebx,2 |
389 | add ebx,eax |
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390 | stdcall gl_print_matrix,[ebx+offs_cont_matrix_stack_ptr],4 |
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391 | end if |
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392 | gl_matrix_update eax,ebx |
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393 | ret |
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394 | endp |
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395 | |||
396 | |||
397 | proc glopTranslate uses eax ebx ecx, context:dword, p:dword |
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398 | mov ecx,[p] |
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399 | |||
400 | |||
401 | mov ebx,[eax+offs_cont_matrix_mode] |
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402 | shl ebx,2 |
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403 | add ebx,eax |
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404 | mov ebx,[ebx+offs_cont_matrix_stack_ptr] ;ebx = &m[0] |
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405 | |||
406 | |||
407 | fld dword[ecx+ 8] ;y |
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408 | fld dword[ecx+12] ;z |
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409 | mov ecx,4 |
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410 | @@: |
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411 | fld dword[ebx] ;m[0] |
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412 | fmul st0,st3 ;m[0] * x |
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413 | fld dword[ebx+4] ;m[1] |
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414 | fmul st0,st3 ;m[1] * y |
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415 | faddp |
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5269 | IgorA | 416 | fld dword[ebx+8] ;m[2] |
5153 | IgorA | 417 | fmul st0,st2 ;m[2] * z |
5269 | IgorA | 418 | faddp |
5175 | IgorA | 419 | fadd dword[ebx+12] ;m[3] |
5153 | IgorA | 420 | fstp dword[ebx+12] ;m[3] = m[0] * x + m[1] * y + m[2] * z + m[3] |
421 | add ebx,16 |
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422 | loop @b |
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423 | ffree st0 |
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5175 | IgorA | 424 | fincstp |
425 | ffree st0 |
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426 | fincstp |
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427 | ffree st0 |
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428 | fincstp |
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429 | |||
5153 | IgorA | 430 | |
431 | stdcall dbg_print,txt_gl_tran,txt_nl |
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5269 | IgorA | 432 | mov ebx,[eax+offs_cont_matrix_mode] |
5153 | IgorA | 433 | shl ebx,2 |
434 | add ebx,eax |
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435 | stdcall gl_print_matrix,[ebx+offs_cont_matrix_stack_ptr],4 |
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436 | end if |
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437 | gl_matrix_update eax,ebx |
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438 | ret |
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439 | endp |
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440 | |||
441 | |||
442 | proc glopFrustum uses eax ebx ecx, context:dword, p:dword |
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443 | locals |
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444 | x dd ? |
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445 | y dd ? |
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446 | A dd ? |
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447 | B dd ? |
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448 | C dd ? |
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449 | D dd ? |
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450 | m M4 |
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451 | endl |
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452 | mov eax,[context] |
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453 | mov ebx,[p] |
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454 | |||
455 | |||
456 | fsub dword[ebx+4] ;st0 = (right-left) |
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457 | fld dword[ebx+20] ;st0 = near |
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458 | fadd st0,st0 |
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459 | fdiv st0,st1 |
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460 | fstp dword[x] ;x = (2.0*near) / (right-left) |
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461 | fld dword[ebx+16] |
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462 | fsub dword[ebx+12] ;st0 = (top-bottom) |
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463 | fld dword[ebx+20] ;st0 = near |
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464 | fadd st0,st0 |
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465 | fdiv st0,st1 |
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466 | fstp dword[y] ;y = (2.0*near) / (top-bottom) |
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467 | fld dword[ebx+8] |
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468 | fadd dword[ebx+4] ;st0 = (right+left) |
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469 | fdiv st0,st2 ;st2 = (right-left) |
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470 | fstp dword[A] ;A = (right+left) / (right-left) |
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471 | fld dword[ebx+16] |
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472 | fadd dword[ebx+12] ;st0 = (top+bottom) |
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473 | fdiv st0,st1 ;st1 = (top-bottom) |
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474 | fstp dword[B] ;B = (top+bottom) / (top-bottom) |
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475 | fld dword[ebx+24] |
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476 | fsub dword[ebx+20] ;st0 = (farp-near) |
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477 | fldz |
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478 | fsub dword[ebx+24] |
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479 | fsub dword[ebx+20] ;st0 = -(farp+near) |
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480 | fdiv st0,st1 |
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481 | fstp dword[C] ;C = -(farp+near) / (farp-near) |
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482 | fld dword[ebx+24] |
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483 | fmul dword[ebx+20] ;st0 = farp*near |
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484 | fadd st0,st0 |
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485 | fchs ;st0 = -(2.0*farp*near) |
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486 | fdiv st0,st1 |
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487 | fstp dword[D] ;D = -(2.0*farp*near) / (farp-near) |
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488 | |||
489 | |||
490 | sub ecx,sizeof.M4 |
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491 | |||
492 | |||
493 | mov dword[ecx],ebx |
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494 | mov dword[ecx+4],0.0 |
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495 | mov ebx,[A] |
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496 | mov dword[ecx+8],ebx |
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497 | mov dword[ecx+12],0.0 |
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498 | mov dword[ecx+16],0.0 |
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499 | mov ebx,[y] |
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500 | mov dword[ecx+20],ebx |
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501 | mov ebx,[B] |
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502 | mov dword[ecx+24],ebx |
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503 | mov dword[ecx+28],0.0 |
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504 | mov dword[ecx+32],0.0 |
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505 | mov dword[ecx+36],0.0 |
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506 | mov ebx,[C] |
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507 | mov dword[ecx+40],ebx |
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508 | mov ebx,[D] |
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509 | mov dword[ecx+44],ebx |
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510 | mov dword[ecx+48],0.0 |
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511 | mov dword[ecx+52],0.0 |
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512 | mov dword[ecx+56],-1.0 |
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513 | mov dword[ecx+60],0.0 |
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514 | |||
515 | |||
516 | shl ebx,2 |
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517 | add ebx,eax |
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518 | stdcall gl_M4_MulLeft,dword[ebx+offs_cont_matrix_stack_ptr],ecx |
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519 | |||
520 | |||
521 | stdcall gl_print_matrix,ecx,4 |
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522 | stdcall gl_print_matrix,dword[ebx+offs_cont_matrix_stack_ptr],4 |
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523 | end if |
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524 | gl_matrix_update eax,ebx |
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525 | ret |
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526 | endp>>>1)><1)>2)><2)>> |
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527 |