[692] | 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 | #include <OgreGLPrerequisites.h>
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| 7 | #include <GL/glu.h>
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| 8 |
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| 9 | using namespace std;
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| 10 |
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| 11 |
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| 12 | namespace
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| 13 | {
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| 14 | void LoadProgram( GLenum target, GLuint id, char *instring );
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| 15 | void StrToUpper(char * string);
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| 16 | int vpid;
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| 17 | }
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| 18 |
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| 19 |
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| 20 | bool is_vp10(const char * s)
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| 21 | {
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| 22 | return ! strncmp(s, "!!VP1.0", 7);
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| 23 | }
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| 24 |
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| 25 | bool vp10_init(char * s)
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| 26 | {
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| 27 | static bool vpinit = false;
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| 28 | if (vpinit == false )
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| 29 | {
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| 30 | /*
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| 31 | if(! glh_init_extensions("GL_NV_vertex_program"))
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| 32 | {
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| 33 | errors.set("unable to initialize GL_NV_vertex_program");
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| 34 | return false;
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| 35 | }
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| 36 | else
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| 37 | {
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| 38 | */
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| 39 | vpinit = true;
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| 40 | /*
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| 41 | }
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| 42 | */
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| 43 | }
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| 44 |
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| 45 | errors.reset();
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| 46 | line_number = 1;
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| 47 | myin = s;
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| 48 |
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| 49 | glGetIntegerv( GL_VERTEX_PROGRAM_BINDING_NV, &vpid );
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| 50 |
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| 51 | if ( vpid == 0 )
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| 52 | {
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| 53 | char str[128];
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| 54 | sprintf( str, "No vertex program id bound for nvparse() invocation. Bound id = %d\n", vpid );
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| 55 | errors.set( str );
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| 56 | return false;
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| 57 | }
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| 58 |
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| 59 | return true;
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| 60 | }
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| 61 |
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| 62 | int vp10_parse()
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| 63 | {
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| 64 | LoadProgram( GL_VERTEX_PROGRAM_NV, vpid, myin );
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| 65 | return 0;
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| 66 | }
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| 67 |
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| 68 | namespace
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| 69 | {
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| 70 | //.----------------------------------------------------------------------------.
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| 71 | //| Function : LoadProgram |
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| 72 | //| Description: Load a program into GL, and report any errors encountered. |
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| 73 | //.----------------------------------------------------------------------------.
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| 74 | void LoadProgram( GLenum target, GLuint id, char *instring )
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| 75 | {
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| 76 | GLint errPos;
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| 77 | GLenum errCode;
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| 78 | const GLubyte *errString;
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| 79 |
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| 80 | int len = strlen(instring);
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| 81 | glLoadProgramNV( target, id, len, (const GLubyte *) instring );
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| 82 | if ( (errCode = glGetError()) != GL_NO_ERROR )
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| 83 | {
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| 84 | errString = gluErrorString( errCode );
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| 85 |
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| 86 | glGetIntegerv( GL_PROGRAM_ERROR_POSITION_NV, &errPos );
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| 87 | if (errPos == -1)
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| 88 | return;
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| 89 |
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| 90 | int nlines = 1;
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| 91 | int nchar = 1;
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| 92 | int i;
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| 93 | for ( i = 0; i < errPos; i++ )
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| 94 | {
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| 95 | if ( instring[i] == '\n' )
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| 96 | {
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| 97 | nlines++;
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| 98 | nchar = 1;
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| 99 | }
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| 100 | else
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| 101 | {
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| 102 | nchar++;
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| 103 | }
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| 104 | }
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| 105 | int start;
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| 106 | int end;
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| 107 | int flag = ((instring[errPos]==';') | (instring[errPos-1]==';')) ? 1 : 0;
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| 108 | for ( i = errPos; i >= 0; i-- )
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| 109 | {
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| 110 | start = i;
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| 111 | if ( flag && (start >= errPos-1) )
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| 112 | continue;
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| 113 | if ( instring[i] == ';' )
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| 114 | {
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| 115 | if ( !flag )
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| 116 | {
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| 117 | start = i+1;
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| 118 | if ( instring[start] == '\n' )
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| 119 | start++;
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| 120 | }
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| 121 | break;
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| 122 | }
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| 123 | }
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| 124 | for ( i = errPos; i < len; i++ )
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| 125 | {
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| 126 | end = i;
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| 127 | if ( instring[i] == ';' && end > start)
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| 128 | {
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| 129 | break;
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| 130 | }
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| 131 | }
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| 132 | if ( errPos - start > 30 )
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| 133 | {
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| 134 | start = errPos - 30;
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| 135 | }
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| 136 | if ( end - errPos > 30 )
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| 137 | {
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| 138 | end = errPos + 30;
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| 139 | }
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| 140 |
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| 141 | char substring[96];
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| 142 | memset( substring, 0, 96 );
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| 143 | strncpy( substring, &(instring[start]), end-start+1 );
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| 144 | char str[256];
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| 145 | //sprintf( str, "error at line %d character %d\n \"%s\"\n", nlines, nchar, substring );
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| 146 | sprintf( str, "error at line %d character %d\n\"%s\"\n", nlines, nchar, substring );
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| 147 | int width = errPos-start;
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| 148 | for ( i = 0; i < width; i++ )
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| 149 | {
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| 150 | strcat( str, " " );
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| 151 | }
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| 152 | strcat( str, "|\n" );
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| 153 | for ( i = 0; i < width; i++ )
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| 154 | {
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| 155 | strcat( str, " " );
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| 156 | }
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| 157 | strcat( str, "^\n" );
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| 158 |
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| 159 | errors.set( str );
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| 160 | }
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| 161 | }
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| 162 |
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| 163 |
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| 164 | //.----------------------------------------------------------------------------.
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| 165 | //| Function : StrToUpper |
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| 166 | //| Description: Converts all lowercase chars in a string to uppercase. |
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| 167 | //.----------------------------------------------------------------------------.
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| 168 | void StrToUpper(char *string)
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| 169 | {
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| 170 | for (unsigned int i = 0; i < strlen(string); i++)
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| 171 | string[i] = toupper(string[i]);
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| 172 | }
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| 173 |
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| 174 | }
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| 175 | /* else if(!strncmp(instring, "!!VP1.0", 7))
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| 176 | {
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| 177 | if (vpinit == 0 )
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| 178 | {
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| 179 | if(! glh_init_extensions("GL_NV_vertex_program"))
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| 180 | {
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| 181 | errors.set("unable to initialize GL_NV_vertex_program");
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| 182 | free(instring);
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| 183 | return;
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| 184 | }
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| 185 | else
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| 186 | {
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| 187 | vpinit = 1;
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| 188 | }
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| 189 | }
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| 190 |
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| 191 | errors.reset();
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| 192 | line_number = 1;
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| 193 |
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| 194 | int vpid;
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| 195 | glGetIntegerv( GL_VERTEX_PROGRAM_BINDING_NV, &vpid );
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| 196 |
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| 197 | if ( glGetError() != GL_NO_ERROR )
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| 198 | {
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| 199 | errors.set( "Previous GL_ERROR prior to vertex program parsing.\n" );
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| 200 | }
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| 201 |
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| 202 | if ( vpid == 0 )
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| 203 | {
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| 204 | char str[128];
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| 205 | sprintf( str, "No vertex program id bound for nvparse() invocation. Bound id = %d\n", vpid );
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| 206 | errors.set( str );
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| 207 | }
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| 208 | else
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| 209 | {
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| 210 | LoadProgram( GL_VERTEX_PROGRAM_NV, vpid, instring );
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| 211 | }
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| 212 | }
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| 213 | */
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