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- /* $Id: masking.h,v 1.2 1995/10/30 15:33:24 brianp Exp $ */
-
- /*
- * Mesa 3-D graphics library
- * Version: 1.2
- * Copyright (C) 1995 Brian Paul (brianp@ssec.wisc.edu)
- *
- * 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 1.2 1995/10/30 15:33:24 brianp
- * added mask argument to gl_mask_[color|index]_pixels functions
- *
- * Revision 1.1 1995/10/13 22:40:00 brianp
- * Initial revision
- *
- */
-
-
- #ifndef MASKING_H
- #define MASKING_H
-
-
-
- #include "GL/gl.h"
-
-
-
- /*
- * Implement glColorMask for a span of RGBA pixels.
- */
- extern void gl_mask_color_span( GLuint n, GLint x, GLint y,
- GLubyte red[], GLubyte green[],
- GLubyte blue[], GLubyte alpha[] );
-
-
-
- /*
- * Implement glColorMask for an array of RGBA pixels.
- */
- extern void gl_mask_color_pixels( GLuint n, const GLint x[], const GLint y[],
- GLubyte red[], GLubyte green[],
- GLubyte blue[], GLubyte alpha[],
- const GLubyte mask[] );
-
-
-
- /*
- * Implement glIndexMask for a span of CI pixels.
- */
- extern void gl_mask_index_span( GLuint n, GLint x, GLint y, GLuint index[] );
-
-
-
- /*
- * Implement glIndexMask for an array of CI pixels.
- */
- extern void gl_mask_index_pixels( GLuint n, const GLint x[], const GLint y[],
- GLuint index[], const GLubyte mask[] );
-
-
-
- #endif
-
-