src/mesa/swrast/s_zoom.h

   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  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
  21  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  22  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  23  * OTHER DEALINGS IN THE SOFTWARE.
  24  */
  25
  26 #ifndef S_ZOOM_H
  27 #define S_ZOOM_H
  28
  29 #include "main/mtypes.h"
  30 #include "s_span.h"
  31
  32
  33 extern void
  34 _swrast_write_zoomed_rgba_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  35                                const SWspan *span, const GLvoid *rgba);
  36
  37 extern void
  38 _swrast_write_zoomed_rgb_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  39                               const SWspan *span, const GLvoid *rgb);
  40
  41 extern void
  42 _swrast_write_zoomed_depth_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  43                                 const SWspan *span);
  44
  45
  46 extern void
  47 _swrast_write_zoomed_stencil_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  48                                   GLint width, GLint spanX, GLint spanY,
  49                                   const GLubyte stencil[]);
  50
  51 extern void
  52 _swrast_write_zoomed_z_span(struct gl_context *ctx, GLint imgX, GLint imgY,
  53                             GLint width, GLint spanX, GLint spanY,
  54                             const GLuint *zVals);
  55
  56
  57 #endif