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  1. /*
  2.  * Mesa 3-D graphics library
  3.  * Version:  6.5
  4.  *
  5.  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
  6.  *
  7.  * Permission is hereby granted, free of charge, to any person obtaining a
  8.  * copy of this software and associated documentation files (the "Software"),
  9.  * to deal in the Software without restriction, including without limitation
  10.  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11.  * and/or sell copies of the Software, and to permit persons to whom the
  12.  * Software is furnished to do so, subject to the following conditions:
  13.  *
  14.  * The above copyright notice and this permission notice shall be included
  15.  * in all copies or substantial portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  18.  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19.  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  20.  * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
  21.  * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  22.  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  23.  */
  24.  
  25. #ifndef S_ZOOM_H
  26. #define S_ZOOM_H
  27.  
  28. #include "main/mtypes.h"
  29. #include "s_span.h"
  30.  
  31.  
  32. extern void
  33. _swrast_write_zoomed_rgba_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  34.                                const SWspan *span, const GLvoid *rgba);
  35.  
  36. extern void
  37. _swrast_write_zoomed_rgb_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  38.                               const SWspan *span, const GLvoid *rgb);
  39.  
  40. extern void
  41. _swrast_write_zoomed_depth_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  42.                                 const SWspan *span);
  43.  
  44.  
  45. extern void
  46. _swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  47.                                   GLint width, GLint spanX, GLint spanY,
  48.                                   const GLstencil stencil[]);
  49.  
  50. extern void
  51. _swrast_write_zoomed_z_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  52.                             GLint width, GLint spanX, GLint spanY,
  53.                             const GLvoid *z);
  54.  
  55.  
  56. #endif
  57.