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masking.h
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1999-02-04
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/* $Id: masking.h,v 3.0 1998/01/31 20:58:46 brianp Exp $ */
/*
* Mesa 3-D graphics library
* Version: 3.0
* Copyright (C) 1995-1998 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: masking.h,v $
* Revision 3.0 1998/01/31 20:58:46 brianp
* initial rev
*
*/
#ifndef MASKING_H
#define MASKING_H
#include "types.h"
extern void gl_IndexMask( GLcontext *ctx, GLuint mask );
extern void gl_ColorMask( GLcontext *ctx, GLboolean red, GLboolean green,
GLboolean blue, GLboolean alpha );
/*
* Implement glColorMask for a span of RGBA pixels.
*/
extern void gl_mask_rgba_span( GLcontext *ctx,
GLuint n, GLint x, GLint y,
GLubyte rgba[][4] );
/*
* Implement glColorMask for an array of RGBA pixels.
*/
extern void gl_mask_rgba_pixels( GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
GLubyte rgba[][4], const GLubyte mask[] );
/*
* Implement glIndexMask for a span of CI pixels.
*/
extern void gl_mask_index_span( GLcontext *ctx,
GLuint n, GLint x, GLint y, GLuint index[] );
/*
* Implement glIndexMask for an array of CI pixels.
*/
extern void gl_mask_index_pixels( GLcontext *ctx,
GLuint n, const GLint x[], const GLint y[],
GLuint index[], const GLubyte mask[] );
#endif