src/mesa/pipe/softpipe/sp_prim_setup.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  * 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_TRI_H
  26 #define S_TRI_H
  27
  28 /* Vertices are just an array of floats, with all the attributes
  29  * packed.  We currently assume a layout like:
  30  *
  31  * attr[0][0..3] - window position
  32  * attr[1..n][0..3] - remaining attributes.
  33  *
  34  * Attributes are assumed to be 4 floats wide but are packed so that
  35  * all the enabled attributes run contiguously.
  36  */
  37
  38 #include "glheader.h"
  39 #include "imports.h"
  40 #if 0
  41 #include "s_tri_public.h"
  42 #endif
  43 #include "s_context.h"
  44
  45
  46 extern struct draw_stage *prim_setup( struct softpipe_context *softpipe );
  47
  48
  49 #if 0 /* UNUSED? */
  50 struct tri_context;
  51 struct fp_context;
  52 struct be_context;
  53
  54 /* Note the rasterizer does not take a GLcontext argument.  This is
  55  * deliberate.
  56  */
  57 struct tri_context *tri_create_context( GLcontext *ctx );
  58
  59 void tri_destroy_context( struct tri_context *tri );
  60
  61 void tri_set_fp_context( struct tri_context *tri,
  62                          struct fp_context *fp,
  63                          void (*fp_run)( struct fp_context *fp,
  64                                          const struct fp_inputs *,
  65                                          struct fp_outputs * ));
  66
  67
  68 void tri_set_be_context( struct tri_context *tri,
  69                          struct be_context *be,
  70                          void (*be_run)( struct be_context *be,
  71                                          const struct fp_outputs * ));
  72
  73 void tri_set_attribs( struct tri_context *tri,
  74                       const struct attr_info *info,
  75                       GLuint nr_attrib );
  76
  77 void tri_set_backface( struct tri_context *tri,
  78                        GLfloat backface );
  79
  80 void tri_set_scissor( struct tri_context *tri,
  81                       GLint x,
  82                       GLint y,
  83                       GLuint width,
  84                       GLuint height,
  85                       GLboolean enabled );
  86
  87 void tri_set_stipple( struct tri_context *tri,
  88                       const GLuint *pattern,
  89                       GLboolean enabled );
  90
  91 /* Unfilled triangles will be handled elsewhere (higher in the
  92  * pipeline), as will things like stipple (lower in the pipeline).
  93  */
  94
  95 void tri_triangle( struct tri_context *tri,
  96                    const struct vertex *v0,
  97                    const struct vertex *v1,
  98                    const struct vertex *v2 );
  99
 100 /* TODO: rasterize_line, rasterize_point??
 101  * How will linestipple work?
 102  */
 103
 104
 105 #ifdef SETUP_PRIVATE
 106
 107
 108
 109
 110
 111
 112 GLboolean tri_setup( struct tri_context *tri,
 113                        const struct vertex *v0,
 114                        const struct vertex *v1,
 115                        const struct vertex *v2 );
 116
 117 void tri_rasterize( struct tri_context *tri );
 118 void tri_rasterize_spans( struct tri_context *tri );
 119
 120
 121
 122
 123
 124
 125 #endif
 126 #endif
 127 #endif