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/* $Id: stencil.h,v 1.4 1999/12/13 04:08:27 joukj Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.3
*
* Copyright (C) 1999 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef STENCIL_H
#define STENCIL_H
#include "types.h"
extern void
_mesa_ClearStencil( GLint s );
extern void
_mesa_StencilFunc( GLenum func, GLint ref, GLuint mask );
extern void
_mesa_StencilMask( GLuint mask );
extern void
_mesa_StencilOp( GLenum fail, GLenum zfail, GLenum zpass );
extern GLboolean
gl_stencil_and_depth_test_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
const GLdepth z[], GLubyte mask[] );
#ifdef VMS /* VMS allows externals of 31 characters maximum */
#define gl_stencil_and_depth_test_pixels gl_stencil_and_depth_test_pixel
#endif
extern GLboolean
gl_stencil_and_depth_test_pixels( GLcontext *ctx, GLuint n,
const GLint x[], const GLint y[],
const GLdepth z[], GLubyte mask[] );
extern void
gl_read_stencil_span( GLcontext *ctx, GLint n, GLint x, GLint y,
GLstencil stencil[] );
extern void
gl_write_stencil_span( GLcontext *ctx, GLint n, GLint x, GLint y,
const GLstencil stencil[] );
extern void gl_alloc_stencil_buffer( GLcontext *ctx );
extern void gl_clear_stencil_buffer( GLcontext *ctx );
#endif
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