1 | #include "nvparse_errors.h" |
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2 | #include "nvparse_externs.h" |
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3 | #include <string.h> |
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4 | #include <string> |
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5 | #include <ctype.h> |
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6 | |
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7 | #include <OgreGLPrerequisites.h> |
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8 | #if OGRE_PLATFORM == OGRE_PLATFORM_APPLE |
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9 | # include <OpenGL/glu.h> |
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10 | #else |
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11 | # include <GL/glu.h> |
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12 | #endif |
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13 | |
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14 | |
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15 | using namespace std; |
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16 | |
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17 | |
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18 | namespace |
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19 | { |
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20 | void LoadProgram( GLenum target, GLuint id, char *instring ); |
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21 | void StrToUpper(char * string); |
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22 | } |
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23 | |
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24 | |
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25 | bool is_vsp10(const char * s) |
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26 | { |
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27 | return ! strncmp(s, "!!VSP1.0", 8); |
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28 | } |
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29 | |
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30 | bool vsp10_init(char * s) |
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31 | { |
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32 | static bool vpinit = false; |
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33 | if (vpinit == false ) |
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34 | { |
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35 | /* |
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36 | if(! glh_init_extensions("GL_NV_vertex_program")) |
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37 | { |
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38 | errors.set("unable to initialize GL_NV_vertex_program"); |
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39 | return false; |
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40 | } |
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41 | else |
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42 | { |
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43 | */ |
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44 | vpinit = true; |
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45 | /* |
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46 | } |
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47 | */ |
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48 | } |
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49 | |
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50 | errors.reset(); |
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51 | line_number = 1; |
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52 | myin = s; |
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53 | |
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54 | return true; |
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55 | } |
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56 | |
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57 | int vsp10_parse(int vpsid) |
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58 | { |
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59 | LoadProgram( GL_VERTEX_STATE_PROGRAM_NV, vpsid, myin ); |
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60 | return 0; |
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61 | } |
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62 | |
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63 | namespace |
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64 | { |
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65 | //.----------------------------------------------------------------------------. |
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66 | //| Function : LoadProgram | |
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67 | //| Description: Load a program into GL, and report any errors encountered. | |
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68 | //.----------------------------------------------------------------------------. |
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69 | void LoadProgram( GLenum target, GLuint id, char *instring ) |
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70 | { |
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71 | GLint errPos; |
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72 | GLenum errCode; |
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73 | const GLubyte *errString; |
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74 | |
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75 | int len = strlen(instring); |
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76 | glLoadProgramNV( target, id, len, (const GLubyte *) instring ); |
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77 | if ( (errCode = glGetError()) != GL_NO_ERROR ) |
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78 | { |
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79 | errString = gluErrorString( errCode ); |
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80 | |
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81 | glGetIntegerv( GL_PROGRAM_ERROR_POSITION_NV, &errPos ); |
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82 | |
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83 | int nlines = 1; |
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84 | int nchar = 1; |
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85 | int i; |
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86 | for ( i = 0; i < errPos; i++ ) |
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87 | { |
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88 | if ( instring[i] == '\n' ) |
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89 | { |
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90 | nlines++; |
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91 | nchar = 1; |
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92 | } |
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93 | else |
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94 | { |
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95 | nchar++; |
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96 | } |
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97 | } |
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98 | int start; |
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99 | int end; |
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100 | int flag = ((instring[errPos]==';') | (instring[errPos-1]==';')) ? 1 : 0; |
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101 | for ( i = errPos; i >= 0; i-- ) |
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102 | { |
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103 | start = i; |
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104 | if ( flag && (start >= errPos-1) ) |
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105 | continue; |
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106 | if ( instring[i] == ';' ) |
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107 | { |
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108 | if ( !flag ) |
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109 | { |
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110 | start = i+1; |
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111 | if ( instring[start] == '\n' ) |
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112 | start++; |
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113 | } |
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114 | break; |
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115 | } |
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116 | } |
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117 | for ( i = errPos; i < len; i++ ) |
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118 | { |
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119 | end = i; |
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120 | if ( instring[i] == ';' && end > start) |
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121 | { |
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122 | break; |
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123 | } |
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124 | } |
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125 | if ( errPos - start > 30 ) |
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126 | { |
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127 | start = errPos - 30; |
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128 | } |
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129 | if ( end - errPos > 30 ) |
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130 | { |
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131 | end = errPos + 30; |
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132 | } |
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133 | |
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134 | char substring[96]; |
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135 | memset( substring, 0, 96 ); |
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136 | strncpy( substring, &(instring[start]), end-start+1 ); |
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137 | char str[256]; |
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138 | //sprintf( str, "error at line %d character %d\n \"%s\"\n", nlines, nchar, substring ); |
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139 | sprintf( str, "error at line %d character %d\n\"%s\"\n", nlines, nchar, substring ); |
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140 | int width = errPos-start; |
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141 | for ( i = 0; i < width; i++ ) |
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142 | { |
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143 | strcat( str, " " ); |
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144 | } |
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145 | strcat( str, "|\n" ); |
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146 | for ( i = 0; i < width; i++ ) |
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147 | { |
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148 | strcat( str, " " ); |
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149 | } |
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150 | strcat( str, "^\n" ); |
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151 | |
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152 | errors.set( str ); |
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153 | } |
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154 | } |
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155 | |
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156 | |
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157 | //.----------------------------------------------------------------------------. |
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158 | //| Function : StrToUpper | |
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159 | //| Description: Converts all lowercase chars in a string to uppercase. | |
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160 | //.----------------------------------------------------------------------------. |
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161 | void StrToUpper(char *string) |
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162 | { |
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163 | for (unsigned int i = 0; i < strlen(string); i++) |
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164 | string[i] = toupper(string[i]); |
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165 | } |
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166 | |
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167 | } |
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168 | /* |
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169 | else if(!strncmp(instring, "!!VSP1.0", 8)) |
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170 | { |
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171 | if (vpinit == 0 ) |
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172 | { |
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173 | if(! glh_init_extensions("GL_NV_vertex_program")) |
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174 | { |
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175 | errors.set("unable to initialize GL_NV_vertex_program"); |
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176 | free(instring); |
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177 | return; |
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178 | } |
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179 | else |
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180 | { |
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181 | vpinit = 1; |
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182 | } |
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183 | } |
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184 | |
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185 | errors.reset(); |
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186 | line_number = 1; |
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187 | |
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188 | va_list ap; |
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189 | va_start(ap, input_string); |
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190 | int vpsid = va_arg(ap,int); |
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191 | va_end(ap); |
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192 | |
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193 | if ( glGetError() != GL_NO_ERROR ) |
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194 | { |
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195 | errors.set( "Previous GL_ERROR prior to vertex state program parsing." ); |
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196 | } |
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197 | |
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198 | LoadProgram( GL_VERTEX_STATE_PROGRAM_NV, vpsid, instring ); |
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199 | } |
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200 | */ |
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