src/mesa/swrast/s_zoom.h

   1 /*
   2  * Mesa 3-D graphics library
   3  *
   4  * Copyright (C) 1999-2005  Brian Paul   All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the "Software"),
   8  * to deal in the Software without restriction, including without limitation
   9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  10  * and/or sell copies of the Software, and to permit persons to whom the
  11  * Software is furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included
  14  * in all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  17  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  20  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  21  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  22  * 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 GLubyte 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 GLuint *zVals);
  54
  55
  56 #endif