Attachment 6800 Details for Bug 8060 – Source code for filter shared object

Source code for filter shared object

filter_ext.c (text/plain), 1.31 KB, created by Chris Rankin on 2006-09-03 06:55:46 UTC

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Creator: Chris Rankin

Created: 2006-09-03 06:55:46 UTC

Size: 1.31 KB

patch

obsolete

>#include <string.h>
>#include <GL/gl.h>
>#define __USE_GNU
>#include <dlfcn.h>
>
>static const GLubyte* (*real_glGetString)( GLenum name );
>
>static char* bad_extensions[] =
>    {
>        "GL_ARB_vertex_program",
>        NULL
>    };
>
>GLAPI const GLubyte* GLAPIENTRY glGetString( GLenum name )
>{
>    if (!real_glGetString) {
>        real_glGetString = dlsym(RTLD_NEXT, "glGetString");
>        if ( real_glGetString == NULL ) {
>            return NULL;
>        }
>    }
>
>    const GLubyte* glstr = real_glGetString(name);
>
>    if ( name == GL_EXTENSIONS ) {
>        static char* extensions = NULL;
>        char *ext;
>
>        if (extensions) {
>            return extensions;
>        }
>
>        extensions = malloc(8192);
>        memset(extensions, 0, 8192);
>
>        ext = strtok((char *)glstr, " ");
>        while (ext != NULL) {
>            int i, is_bad;
>
>            i = 0;
>            is_bad = 0;
>            while ( bad_extensions[i] ) {
>                if (strcmp(bad_extensions[i], ext) == 0) {
>                    is_bad = 1;
>                    break;
>                }
>                i++;
>            }
>
>            if ( ! is_bad ) {
>                strcat(extensions, ext);
>                strcat(extensions, " ");
>            }
>
>            ext = strtok(NULL, " ");
>        }
>
>        glstr = extensions;
>    }
>
>    return glstr;
>}

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Attachments on bug 8060: 6735 | 6736 | 6789 | 6800 | 6813 | 6814 | 6815

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