src/mesa/swrast/s_zoom.h

   1 /* $Id: s_zoom.h,v 1.9 2003/03/25 02:23:48 brianp Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  5.1
   6  *
   7  * Copyright (C) 1999-2002  Brian Paul   All Rights Reserved.
   8  *
   9  * Permission is hereby granted, free of charge, to any person obtaining a
  10  * copy of this software and associated documentation files (the "Software"),
  11  * to deal in the Software without restriction, including without limitation
  12  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  13  * and/or sell copies of the Software, and to permit persons to whom the
  14  * Software is furnished to do so, subject to the following conditions:
  15  *
  16  * The above copyright notice and this permission notice shall be included
  17  * in all copies or substantial portions of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  21  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  22  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  23  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  */
  26
  27 #ifndef S_ZOOM_H
  28 #define S_ZOOM_H
  29
  30 #include "mtypes.h"
  31 #include "swrast.h"
  32
  33 extern void
  34 _swrast_write_zoomed_rgba_span( GLcontext *ctx, const struct sw_span *span,
  35                               CONST GLchan rgb[][4], GLint y0,
  36                               GLint skipPixels );
  37
  38 extern void
  39 _swrast_write_zoomed_rgb_span( GLcontext *ctx, const struct sw_span *span,
  40                              CONST GLchan rgb[][3], GLint y0,
  41                              GLint skipPixels );
  42
  43 extern void
  44 _swrast_write_zoomed_index_span( GLcontext *ctx, const struct sw_span *span,
  45                                GLint y0, GLint skipPixels );
  46
  47 extern void
  48 _swrast_write_zoomed_stencil_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
  49                                  const GLstencil stencil[], GLint y0,
  50                                  GLint skipPixels );
  51
  52 #endif