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86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
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/* $Id: masking.h,v 1.1 1996/09/13 01:38:16 brianp Exp $ */
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/*
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* Mesa 3-D graphics library
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* Version: 2.0
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* Copyright (C) 1995-1996 Brian Paul
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* $Log: masking.h,v $
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* Revision 1.1 1996/09/13 01:38:16 brianp
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* Initial revision
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*
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*/
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#ifndef MASKING_H
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#define MASKING_H
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#include "types.h"
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extern void gl_IndexMask( GLcontext *ctx, GLuint mask );
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extern void gl_ColorMask( GLcontext *ctx, GLboolean red, GLboolean green,
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GLboolean blue, GLboolean alpha );
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/*
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* Implement glColorMask for a span of RGBA pixels.
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*/
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extern void gl_mask_color_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y,
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GLubyte red[], GLubyte green[],
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GLubyte blue[], GLubyte alpha[] );
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/*
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* Implement glColorMask for an array of RGBA pixels.
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*/
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extern void gl_mask_color_pixels( GLcontext *ctx,
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GLuint n, const GLint x[], const GLint y[],
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GLubyte red[], GLubyte green[],
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GLubyte blue[], GLubyte alpha[],
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const GLubyte mask[] );
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/*
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* Implement glIndexMask for a span of CI pixels.
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*/
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extern void gl_mask_index_span( GLcontext *ctx,
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GLuint n, GLint x, GLint y, GLuint index[] );
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/*
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* Implement glIndexMask for an array of CI pixels.
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*/
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extern void gl_mask_index_pixels( GLcontext *ctx,
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GLuint n, const GLint x[], const GLint y[],
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GLuint index[], const GLubyte mask[] );
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#endif
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