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111
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1 struct texture_stage_op
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2 {
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3 unsigned int carg1, carg2, carg0;
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4 unsigned int aarg1, aarg2, aarg0;
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5 unsigned int dst;
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6 };
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7
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8 static const char *debug_register(unsigned int reg) {
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9 switch(reg) {
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10 case 0x8921: return "GL_REG_0_ATI";
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11 case 0x8923: return "GL_REG_2_ATI";
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12 case 0x0: return "GL_ZERO";
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13 case 0x1: return "GL_ONE";
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14 default: return "Unknown register\n";
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15 }
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16 }
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17
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18 static unsigned int find_tmpreg(struct texture_stage_op op[8]) {
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19 int i;
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20 int tex_used[8];
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21
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22 for(i = 0; i < 8; i++) {
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23 if(op[i].carg1 == 0x00000002 ) {
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24 tex_used[i] = 1;
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25 }
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26 }
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27
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28 for(i = 1; i < 6; i++) {
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29 if(!tex_used[i]) {
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30 return 0x8921 + i;
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31 }
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32 }
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33 return 0;
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34 }
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35
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36 extern f(const char*);
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37
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38 void g() {
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39 struct texture_stage_op op[8];
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40 unsigned int tmparg = find_tmpreg(op);
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41 unsigned int dstreg;
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42
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43 if(tmparg == 0x0) return;
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44 dstreg = tmparg;
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45 f(debug_register(dstreg));
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46 return;
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47 }
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