feedback.h

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/* $Id: feedback.h,v 1.1 1996/09/13 01:38:16 brianp Exp $ */
 
/*
 * Mesa 3-D graphics library
 * Version:  2.0
 * Copyright (C) 1995-1996  Brian Paul
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */
 
 
/*
 * $Log: feedback.h,v $
 * Revision 1.1  1996/09/13 01:38:16  brianp
 * Initial revision
 *
 */
 
 
#ifndef FEEDBACK_H
#define FEEDBACK_H
 
 
#include "types.h"
 
 
#define FEEDBACK_TOKEN( CTX, T )                \
    if (CTX->Feedback.Count < CTX->Feedback.BufferSize) {   \
       CTX->Feedback.Buffer[CTX->Feedback.Count] = (T); \
    }                           \
    CTX->Feedback.Count++;
 
 
extern void gl_feedback_vertex( GLcontext *ctx,
                                GLfloat x, GLfloat y, GLfloat z, GLfloat w,
                                const GLfloat color[4], GLfloat index,
                                const GLfloat texcoord[4] );
 
 
extern void gl_update_hitflag( GLcontext *ctx, GLfloat z );
 
 
extern void gl_PassThrough( GLcontext *ctx, GLfloat token );
 
extern void gl_FeedbackBuffer( GLcontext *ctx, GLsizei size,
                               GLenum type, GLfloat *buffer );
 
extern void gl_SelectBuffer( GLcontext *ctx, GLsizei size, GLuint *buffer );
 
extern void gl_InitNames( GLcontext *ctx );
 
extern void gl_LoadName( GLcontext *ctx, GLuint name );
 
extern void gl_PushName( GLcontext *ctx, GLuint name );
 
extern void gl_PopName( GLcontext *ctx );
 
extern GLint gl_RenderMode( GLcontext *ctx, GLenum mode );
 
 
 
#endif