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/* $Id: feedback.h,v 1.1 2003-02-28 11:42:00 pj Exp $ */
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/*
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 * Mesa 3-D graphics library
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 * Version:  3.5
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 *
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 * Copyright (C) 1999-2001  Brian Paul   All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the "Software"),
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 * to deal in the Software without restriction, including without limitation
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 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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 * and/or sell copies of the Software, and to permit persons to whom the
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 * Software is furnished to do so, subject to the following conditions:
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 *
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 * The above copyright notice and this permission notice shall be included
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 * in all copies or substantial portions of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
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 * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 */
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#ifndef FEEDBACK_H
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#define FEEDBACK_H
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#include "mtypes.h"
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#define FEEDBACK_TOKEN( CTX, T )                                \
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        if (CTX->Feedback.Count < CTX->Feedback.BufferSize) {   \
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           CTX->Feedback.Buffer[CTX->Feedback.Count] = (GLfloat) (T); \
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        }                                                       \
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        CTX->Feedback.Count++;
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extern void _mesa_feedback_vertex( GLcontext *ctx,
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                                const GLfloat win[4],
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                                const GLfloat color[4],
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                                GLuint index,
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                                const GLfloat texcoord[4] );
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extern void _mesa_update_hitflag( GLcontext *ctx, GLfloat z );
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extern void
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_mesa_PassThrough( GLfloat token );
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extern void
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_mesa_FeedbackBuffer( GLsizei size, GLenum type, GLfloat *buffer );
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extern void
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_mesa_SelectBuffer( GLsizei size, GLuint *buffer );
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extern void
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_mesa_InitNames( void );
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extern void
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_mesa_LoadName( GLuint name );
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extern void
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_mesa_PushName( GLuint name );
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extern void
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_mesa_PopName( void );
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extern GLint
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_mesa_RenderMode( GLenum mode );
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#endif