1 | #include "ts1.0_inst_list.h"
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2 | #include <stdlib.h>
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3 | #include <stdio.h>
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4 | #include <string.h>
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5 |
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6 | #include "nvparse_errors.h"
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7 | #include "nvparse_externs.h"
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8 |
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9 | #include <OgreGLPrerequisites.h>
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10 |
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11 | using namespace Ogre;
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12 |
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13 | const int instListInc = 4;
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14 |
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15 | InstList::InstList()
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16 | {
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17 | size = 0;
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18 | max = instListInc;
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19 | list = (InstPtr)malloc(sizeof(Inst) * max);
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20 | }
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21 |
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22 | InstList::~InstList()
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23 | {
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24 | free(list);
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25 | }
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26 |
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27 | int InstList::Size()
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28 | {
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29 | return size;
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30 | }
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31 |
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32 | InstList& InstList::operator+=(InstPtr t)
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33 | {
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34 | if (size == max) {
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35 | /* Extend list size by instListInc amount */
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36 | max += instListInc;
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37 | list = (InstPtr)realloc(list, sizeof(Inst) * max);
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38 | }
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39 | list[size++] = *t;
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40 | return *this;
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41 | }
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42 |
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43 | void InstList::Invoke()
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44 | {
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45 | int i;
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46 | for (i = 0; i < size; i++) {
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47 | // set active texture
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48 | glActiveTextureARB(GL_TEXTURE0_ARB + i);
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49 | list[i].Invoke();
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50 | }
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51 | // Reset active texture to unit 0
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52 | // Could do a glGet to figure out what the initial active texunit was,
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53 | // and reset to that, but the glGet would not behave well within
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54 | // a display list...
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55 | glActiveTextureARB(GL_TEXTURE0_ARB);
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56 | }
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57 |
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58 | void InstList::Validate()
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59 | {
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60 | if (size > TSP_NUM_TEXTURE_UNITS)
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61 | errors.set("too many instructions");
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62 | int i;
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63 | for (i = 0; i < size; i++) {
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64 | int stage = list[i].opcode.bits.stage;
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65 | if (stage > i)
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66 | errors.set("prior stage missing");
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67 | if (list[i].opcode.bits.instruction != list[i - stage].opcode.bits.instruction)
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68 | errors.set("stage mismatch");
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69 | if (list[i].opcode.bits.dependent) {
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70 | int previousTexture = (int)list[i].args[0];
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71 | if (previousTexture >= i - stage)
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72 | errors.set("invalid texture reference");
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73 | if (list[previousTexture].opcode.bits.noOutput)
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74 | errors.set("no output on referenced texture");
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75 | }
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76 | }
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77 |
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78 | // Assign remaining undesignated texture units to nop
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79 | for (; i < TSP_NUM_TEXTURE_UNITS; i++) {
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80 | InstPtr nopInst = new Inst(TSP_NOP);
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81 | *this += nopInst;
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82 | delete nopInst;
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83 | }
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84 | }
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85 |
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86 | bool is_ts10(const char * s)
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87 | {
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88 | return ! strncmp(s, "!!TS1.0", 7);
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89 | }
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90 |
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91 | bool ts10_init_more()
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92 | {
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93 | static bool tsinit = false;
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94 | if (tsinit == false )
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95 | {
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96 | /*
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97 | if(! glh_init_extensions( "GL_NV_texture_shader " "GL_ARB_multitexture " ))
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98 | {
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99 | errors.set("unable to initialize GL_NV_texture_shader\n");
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100 | return false;
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101 | }
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102 | else
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103 | {
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104 | */
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105 | tsinit = true;
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106 | /*
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107 | }
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108 | */
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109 | }
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110 | errors.reset();
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111 | line_number = 1;
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112 | return true;
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113 | }
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114 |
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115 | /*
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116 |
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117 | else if(!strncmp(instring, "!!TS1.0", 7))
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118 | {
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119 | if (tsinit == 0 )
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120 | {
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121 | if(! glh_init_extensions( "GL_NV_texture_shader " "GL_ARB_multitexture " ))
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122 | {
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123 | errors.set("unable to initialize GL_NV_texture_shader\n");
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124 | free(instring);
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125 | return;
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126 | }
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127 | else
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128 | {
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129 | tsinit = 1;
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130 | }
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131 | }
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132 | errors.reset();
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133 | line_number = 1;
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134 | ts10_init(instring+7);
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135 | ts10_parse();
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136 | }
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137 |
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138 |
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139 | */
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