1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/tools/genglsl.c	Thu Dec 06 09:25:24 2007 +0000
     1.3 @@ -0,0 +1,78 @@
     1.4 +/**
     1.5 + * $Id: genglsl.c,v 1.1 2007-09-28 07:24:14 nkeynes Exp $
     1.6 + *
     1.7 + * Trivial tool to take two shader source files and dump them out in
     1.8 + * a C file with appropriate escaping.
     1.9 + *
    1.10 + * Copyright (c) 2007 Nathan Keynes.
    1.11 + *
    1.12 + * This program is free software; you can redistribute it and/or modify
    1.13 + * it under the terms of the GNU General Public License as published by
    1.14 + * the Free Software Foundation; either version 2 of the License, or
    1.15 + * (at your option) any later version.
    1.16 + *
    1.17 + * This program is distributed in the hope that it will be useful,
    1.18 + * but WITHOUT ANY WARRANTY; without even the implied warranty of
    1.19 + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    1.20 + * GNU General Public License for more details.
    1.21 + */
    1.22 +
    1.23 +#include <stdio.h>
    1.24 +#include <stdlib.h>
    1.25 +
    1.26 +/**
    1.27 + * Copy input to output, quoting " characters as we go.
    1.28 + */
    1.29 +void writeShader( FILE *out, FILE *in )
    1.30 +{
    1.31 +    int ch;
    1.32 +
    1.33 +    while( (ch = fgetc(in)) != EOF ) {
    1.34 +	if( ch == '\"' ) {
    1.35 +	    fputc( '\\', out );
    1.36 +	} else if( ch == '\n') {
    1.37 +	    fputs( "\\n\\", out );
    1.38 +	}
    1.39 +	fputc( ch, out );
    1.40 +    }
    1.41 +}
    1.42 +
    1.43 +int main( int argc, char *argv[] )
    1.44 +{
    1.45 +    if( argc != 4 ) {
    1.46 +	fprintf( stderr, "Usage: genglsl <vertex-shader-file> <fragment-shader-file> <output-file>\n");
    1.47 +	exit(1);
    1.48 +    }
    1.49 +
    1.50 +    FILE *vsin = fopen( argv[1], "ro" );
    1.51 +    if( vsin == NULL ) {
    1.52 +	perror( "Unable to open vertex shader source" );
    1.53 +	exit(2);
    1.54 +    }
    1.55 +
    1.56 +    FILE *fsin = fopen( argv[2], "ro" );
    1.57 +    if( fsin == NULL ) {
    1.58 +	perror( "Unable to open fragment shader source" );
    1.59 +	exit(2);
    1.60 +    }
    1.61 +
    1.62 +    FILE *out = fopen( argv[3], "wo" );
    1.63 +    if( out == NULL ) {
    1.64 +	perror( "Unable to open output file" );
    1.65 +	exit(2);
    1.66 +    }
    1.67 +
    1.68 +    fprintf( out, "/**\n * This file is automatically generated - do not edit\n */\n\n" );
    1.69 +    fprintf( out, "const char *glsl_vertex_shader_src = \"" );
    1.70 +
    1.71 +    writeShader( out, vsin );
    1.72 +
    1.73 +    fprintf( out, "\";\n\n" );
    1.74 +    fprintf( out, "const char *glsl_fragment_shader_src = \"" );
    1.75 +    writeShader( out, fsin );
    1.76 +    fprintf( out, "\";\n\n" );
    1.77 +    fclose( fsin );
    1.78 +    fclose( vsin );
    1.79 +    fclose( out );
    1.80 +    return 0;
    1.81 +}