src/mesa/swrast/s_zoom.h

   1 /*
   2  * Mesa 3-D graphics library
   3  * Version:  5.1
   4  *
   5  * Copyright (C) 1999-2003  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 "mtypes.h"
  29 #include "swrast.h"
  30
  31 extern void
  32 _swrast_write_zoomed_rgba_span( GLcontext *ctx, const struct sw_span *span,
  33                                 CONST GLchan rgb[][4], GLint y0,
  34                                 GLint skipPixels );
  35
  36 extern void
  37 _swrast_write_zoomed_rgb_span( GLcontext *ctx, const struct sw_span *span,
  38                                CONST GLchan rgb[][3], GLint y0,
  39                                GLint skipPixels );
  40
  41 extern void
  42 _swrast_write_zoomed_index_span( GLcontext *ctx, const struct sw_span *span,
  43                                  GLint y0, GLint skipPixels );
  44
  45 extern void
  46 _swrast_write_zoomed_depth_span( GLcontext *ctx, const struct sw_span *span,
  47                                  GLint y0, GLint skipPixels );
  48
  49 extern void
  50 _swrast_write_zoomed_stencil_span( GLcontext *ctx, GLuint n, GLint x, GLint y,
  51                                    const GLstencil stencil[], GLint y0,
  52                                    GLint skipPixels );
  53
  54 #endif