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5153 | IgorA | 1 | ;строки с именами функций |
2 | op_table_str: |
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3 | macro ADD_OP a,b,c |
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4 | { |
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5 | db 'gl',`a,' ',c,0 |
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6 | } |
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7 | include 'opinfo.inc' |
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8 | |||
9 | ;указатели на функции ;static void (*op_table_func[])(GLContext *,GLParam *)= |
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10 | op_table_func: |
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11 | macro ADD_OP a,b,c |
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12 | { |
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13 | dd glop#a |
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14 | } |
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15 | include 'opinfo.inc' |
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16 | |||
17 | ;число параметров в функциях |
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18 | op_table_size: |
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19 | macro ADD_OP a,b,c |
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20 | { |
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21 | dd b+1 |
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22 | } |
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23 | include 'opinfo.inc' |
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24 | |||
25 | |||
26 | ;output: |
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27 | ; eax = context.shared_state.lists[list] |
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28 | align 4 |
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29 | proc find_list uses ebx, context:dword, list:dword |
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30 | mov eax,[context] |
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31 | mov eax,[eax+offs_cont_shared_state] |
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32 | mov ebx,[list] |
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33 | shl ebx,2 |
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34 | add eax,ebx |
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35 | mov eax,[eax] |
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36 | ret |
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37 | endp |
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38 | |||
39 | ;static void delete_list(GLContext *c,int list) |
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40 | ;{ |
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41 | ; GLParamBuffer *pb,*pb1; |
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42 | ; GLList *l; |
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43 | |||
44 | ; l=find_list(c,list); |
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45 | ; assert(l != NULL); |
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46 | |||
47 | ; /* free param buffer */ |
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48 | ; pb=l->first_op_buffer; |
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49 | ; while (pb!=NULL) { |
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50 | ; pb1=pb->next; |
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51 | ; gl_free(pb); |
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52 | ; pb=pb1; |
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53 | ; } |
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54 | |||
55 | ; gl_free(l); |
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56 | ; c->shared_state.lists[list]=NULL; |
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57 | ;} |
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58 | |||
59 | ;static GLList *alloc_list(GLContext *c,int list) |
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60 | ;{ |
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61 | ; GLList *l; |
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62 | ; GLParamBuffer *ob; |
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63 | |||
64 | ; l=gl_zalloc(sizeof(GLList)); |
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65 | ; ob=gl_zalloc(sizeof(GLParamBuffer)); |
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66 | |||
67 | ; ob->next=NULL; |
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68 | ; l->first_op_buffer=ob; |
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69 | |||
70 | ; ob->ops[0].op=OP_EndList; |
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71 | |||
72 | ; c->shared_state.lists[list]=l; |
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73 | ; return l; |
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74 | ;} |
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75 | |||
76 | ;void gl_print_op(FILE *f,GLParam *p) |
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77 | ;{ |
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78 | ; int op; |
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79 | ; char *s; |
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80 | |||
81 | ; op=p[0].op; |
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82 | ; p++; |
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83 | ; s=op_table_str[op]; |
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84 | ; while (*s != 0) { |
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85 | ; if (*s == '%') { |
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86 | ; s++; |
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87 | ; switch (*s++) { |
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88 | ; case 'f': |
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89 | ; fprintf(f,"%g",p[0].f); |
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90 | ; break; |
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91 | ; default: |
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92 | ; fprintf(f,"%d",p[0].i); |
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93 | ; break; |
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94 | ; } |
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95 | ; p++; |
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96 | ; } else { |
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97 | ; fputc(*s,f); |
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98 | ; s++; |
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99 | ; } |
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100 | ; } |
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101 | ; fprintf(f,"\n"); |
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102 | ;} |
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103 | |||
104 | align 4 |
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105 | proc gl_compile_op uses eax ebx, context:dword, p:dword |
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106 | mov eax,[context] |
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107 | ; int op,op_size; |
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108 | ; GLParamBuffer *ob,*ob1; |
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109 | ; int index,i; |
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110 | |||
111 | ; op=p[0].op; |
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112 | ; op_size=op_table_size[op]; |
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113 | ; index=c->current_op_buffer_index; |
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114 | ; ob=c->current_op_buffer; |
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115 | |||
116 | ; /* we should be able to add a NextBuffer opcode */ |
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117 | ; if ((index + op_size) > (OP_BUFFER_MAX_SIZE-2)) { |
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118 | |||
119 | ; ob1=gl_zalloc(sizeof(GLParamBuffer)); |
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120 | ; ob1->next=NULL; |
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121 | |||
122 | ; ob->next=ob1; |
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123 | ; ob->ops[index].op=OP_NextBuffer; |
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124 | ; ob->ops[index+1].p=(void *)ob1; |
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125 | |||
126 | ; c->current_op_buffer=ob1; |
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127 | ; ob=ob1; |
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128 | ; index=0; |
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129 | ; } |
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130 | |||
131 | ; for(i=0;i |
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132 | ; ob->ops[index]=p[i]; |
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133 | ; index++; |
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134 | ; } |
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135 | ; c->current_op_buffer_index=index; |
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136 | ret |
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137 | endp |
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138 | |||
139 | align 4 |
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140 | proc gl_add_op uses eax ebx ecx, p:dword ;GLParam* |
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141 | if DEBUG |
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142 | push edi esi |
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143 | mov ebx,[p] |
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144 | mov ebx,[ebx] |
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145 | lea eax,[op_table_str] |
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146 | @@: |
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147 | cmp ebx,0 |
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148 | je @f |
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149 | cmp byte[eax],0 |
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150 | jne .no_dec |
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151 | dec ebx |
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152 | .no_dec: |
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153 | inc eax |
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154 | jmp @b |
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155 | @@: |
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156 | stdcall dbg_print,eax,txt_nl |
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157 | |||
158 | mov esi,eax |
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159 | mov word[NumberSymbolsAD],3 |
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160 | mov ebx,[p] |
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161 | lea edi,[buf_param] |
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162 | mov byte[edi],0 |
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163 | mov ecx,80 |
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164 | .cycle_0: |
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165 | cmp byte[esi],'%' |
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166 | jne .no_param |
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167 | cmp ebx,[p] |
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168 | je @f |
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169 | stdcall str_n_cat,edi,txt_zp_sp,2 |
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170 | stdcall str_len,edi |
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171 | add edi,eax |
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172 | @@: |
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173 | add ebx,4 |
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174 | inc esi |
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175 | |||
176 | cmp byte[esi],'f' |
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177 | jne @f |
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178 | fld dword[ebx] |
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179 | fstp qword[Data_Double] |
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180 | call DoubleFloat_to_String |
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181 | stdcall str_cat, edi,Data_String |
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182 | @@: |
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183 | cmp byte[esi],'d' |
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184 | jne @f |
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185 | stdcall str_len,edi |
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186 | add edi,eax |
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187 | sub ecx,eax |
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188 | mov eax,dword[ebx] |
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189 | stdcall convert_int_to_str,ecx |
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190 | @@: |
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191 | .no_param: |
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192 | inc esi |
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193 | cmp byte[esi],0 |
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194 | jne .cycle_0 |
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195 | stdcall str_cat, edi,txt_nl |
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196 | stdcall dbg_print,txt_sp,buf_param |
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197 | pop esi edi |
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198 | end if |
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199 | call gl_get_context |
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200 | mov ebx,[p] |
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201 | |||
202 | cmp dword[eax+offs_cont_exec_flag],0 |
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203 | je @f |
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204 | push ebx |
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205 | push eax |
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206 | mov ecx,dword[ebx] ;ecx = OP_... |
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207 | shl ecx,2 |
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208 | lea ebx,[op_table_func] |
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209 | add ecx,ebx |
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210 | call dword[ecx] ;op_table_func[op](c,p) |
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211 | @@: |
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212 | cmp dword[eax+offs_cont_compile_flag],0 |
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213 | je @f |
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214 | stdcall gl_compile_op,eax,[p] |
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215 | @@: |
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216 | cmp dword[eax+offs_cont_print_flag],0 |
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217 | je @f |
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218 | ;gl_print_op(stderr,p); |
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219 | @@: |
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220 | ret |
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221 | endp |
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222 | |||
223 | ; this opcode is never called directly |
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224 | align 4 |
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225 | proc glopEndList, context:dword, p:dword |
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226 | ; assert(0); |
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227 | ret |
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228 | endp |
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229 | |||
230 | ; this opcode is never called directly |
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231 | align 4 |
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232 | proc glopNextBuffer, context:dword, p:dword |
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233 | ; assert(0); |
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234 | ret |
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235 | endp |
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236 | |||
237 | ;void glopCallList(GLContext *c,GLParam *p) |
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238 | ;{ |
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239 | ; GLList *l; |
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240 | ; int list,op; |
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241 | |||
242 | ; list=p[1].ui; |
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243 | ; l=find_list(c,list); |
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244 | ; if (l == NULL) gl_fatal_error("list %d not defined",list); |
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245 | ; p=l->first_op_buffer->ops; |
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246 | |||
247 | ; while (1) { |
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248 | ; op=p[0].op; |
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249 | ; if (op == OP_EndList) break; |
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250 | ; if (op == OP_NextBuffer) { |
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251 | ; p=(GLParam *)p[1].p; |
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252 | ; } else { |
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253 | ; op_table_func[op](c,p); |
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254 | ; p+=op_table_size[op]; |
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255 | ; } |
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256 | ; } |
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257 | ;} |
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258 | |||
259 | ;void glNewList(unsigned int list,int mode) |
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260 | ;{ |
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261 | ; GLList *l; |
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262 | ; GLContext *c=gl_get_context(); |
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263 | ; |
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264 | ; assert(mode == GL_COMPILE || mode == GL_COMPILE_AND_EXECUTE); |
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265 | ; assert(c->compile_flag == 0); |
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266 | ; |
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267 | ; l=find_list(c,list); |
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268 | ; if (l!=NULL) delete_list(c,list); |
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269 | ; l=alloc_list(c,list); |
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270 | ; |
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271 | ; c->current_op_buffer=l->first_op_buffer; |
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272 | ; c->current_op_buffer_index=0; |
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273 | ; |
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274 | ; c->compile_flag=1; |
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275 | ; c->exec_flag=(mode == GL_COMPILE_AND_EXECUTE); |
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276 | ;} |
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277 | |||
278 | ;void glEndList(void) |
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279 | ;{ |
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280 | ; GLContext *c=gl_get_context(); |
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281 | ; GLParam p[1]; |
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282 | |||
283 | ; assert(c->compile_flag == 1); |
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284 | |||
285 | ; /* end of list */ |
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286 | ; p[0].op=OP_EndList; |
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287 | ; gl_compile_op(c,p); |
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288 | |||
289 | ; c->compile_flag=0; |
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290 | ; c->exec_flag=1; |
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291 | ;} |
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292 | |||
293 | ;output: |
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294 | ; eax = (find_list(gl_get_context,list) != NULL) |
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295 | align 4 |
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296 | proc glIsList, list:dword |
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297 | call gl_get_context |
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298 | stdcall find_list, eax,[list] |
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299 | cmp eax,0 ;NULL |
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300 | je @f |
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301 | mov eax,1 |
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302 | @@: |
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303 | ret |
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304 | endp |
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305 | |||
306 | ;unsigned int glGenLists(int range) |
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307 | ;{ |
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308 | ; GLContext *c=gl_get_context(); |
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309 | ; int count,i,list; |
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310 | ; GLList **lists; |
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311 | |||
312 | ; lists=c->shared_state.lists; |
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313 | ; count=0; |
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314 | ; for(i=0;i |
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315 | ; if (lists[i]==NULL) { |
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316 | ; count++; |
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317 | ; if (count == range) { |
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318 | ; list=i-range+1; |
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319 | ; for(i=0;i |
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320 | ; alloc_list(c,list+i); |
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321 | ; } |
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322 | ; return list; |
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323 | ; } |
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324 | ; } else { |
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325 | ; count=0; |
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326 | ; } |
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327 | ; } |
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328 | ; return 0; |
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329 | ;} |