src/mesa/swrast/s_span.h

   1 /* $Id: s_span.h,v 1.2 2000/11/22 07:32:18 joukj Exp $ */
   2
   3 /*
   4  * Mesa 3-D graphics library
   5  * Version:  3.5
   6  *
   7  * Copyright (C) 1999-2000  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
  28
  29
  30
  31 #ifndef S_SPAN_H
  32 #define S_SPAN_H
  33
  34
  35 #include "mtypes.h"
  36 #include "swrast.h"
  37
  38
  39 extern void gl_write_index_span( GLcontext *ctx,
  40                                  GLuint n, GLint x, GLint y, const GLdepth z[],
  41                                  const GLfixed fog[],
  42                                  GLuint index[], GLenum primitive );
  43
  44
  45 extern void gl_write_monoindex_span( GLcontext *ctx,
  46                                      GLuint n, GLint x, GLint y,
  47                                      const GLdepth z[],
  48                                      const GLfixed fog[],
  49                                      GLuint index, GLenum primitive );
  50
  51
  52 extern void gl_write_rgba_span( GLcontext *ctx,
  53                                 GLuint n, GLint x, GLint y, const GLdepth z[],
  54                                 const GLfixed fog[],
  55                                 GLchan rgba[][4], GLenum primitive );
  56
  57
  58 extern void gl_write_monocolor_span( GLcontext *ctx,
  59                                      GLuint n, GLint x, GLint y,
  60                                      const GLdepth z[],
  61                                      const GLfixed fog[],
  62                                      const GLchan color[4],
  63                                      GLenum primitive );
  64
  65
  66 extern void gl_write_texture_span( GLcontext *ctx,
  67                                    GLuint n, GLint x, GLint y,
  68                                    const GLdepth z[],
  69                                    const GLfixed fog[],
  70                                    const GLfloat s[], const GLfloat t[],
  71                                    const GLfloat u[], GLfloat lambda[],
  72                                    GLchan rgba[][4], CONST GLchan spec[][4],
  73                                    GLenum primitive );
  74
  75
  76 extern void
  77 gl_write_multitexture_span( GLcontext *ctx,
  78                             GLuint n, GLint x, GLint y,
  79                             const GLdepth z[],
  80                             const GLfixed fog[],
  81                             CONST GLfloat s[MAX_TEXTURE_UNITS][MAX_WIDTH],
  82                             CONST GLfloat t[MAX_TEXTURE_UNITS][MAX_WIDTH],
  83                             CONST GLfloat u[MAX_TEXTURE_UNITS][MAX_WIDTH],
  84                             GLfloat lambda[MAX_TEXTURE_UNITS][MAX_WIDTH],
  85                             GLchan rgba[][4],
  86                             CONST GLchan spec[][4],
  87                             GLenum primitive );
  88
  89
  90 extern void gl_read_rgba_span( GLcontext *ctx, GLframebuffer *buffer,
  91                                GLuint n, GLint x, GLint y,
  92                                GLchan rgba[][4] );
  93
  94
  95 extern void gl_read_index_span( GLcontext *ctx, GLframebuffer *buffer,
  96                                 GLuint n, GLint x, GLint y, GLuint indx[] );
  97
  98
  99 #endif