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 #include "s_tri_public.h"
  41 #include "s_context.h"
  42
  43
  44
  45 struct tri_context;
  46 struct fp_context;
  47 struct be_context;
  48
  49 /* Note the rasterizer does not take a GLcontext argument.  This is
  50  * deliberate.
  51  */
  52 struct tri_context *tri_create_context( GLcontext *ctx );
  53
  54 void tri_destroy_context( struct tri_context *tri );
  55
  56 void tri_set_fp_context( struct tri_context *tri,
  57                          struct fp_context *fp,
  58                          void (*fp_run)( struct fp_context *fp,
  59                                          const struct fp_inputs *,
  60                                          struct fp_outputs * ));
  61
  62
  63 void tri_set_be_context( struct tri_context *tri,
  64                          struct be_context *be,
  65                          void (*be_run)( struct be_context *be,
  66                                          const struct fp_outputs * ));
  67
  68 void tri_set_attribs( struct tri_context *tri,
  69                       const struct attr_info *info,
  70                       GLuint nr_attrib );
  71
  72 void tri_set_backface( struct tri_context *tri,
  73                        GLfloat backface );
  74
  75 void tri_set_scissor( struct tri_context *tri,
  76                       GLint x,
  77                       GLint y,
  78                       GLuint width,
  79                       GLuint height,
  80                       GLboolean enabled );
  81
  82 void tri_set_stipple( struct tri_context *tri,
  83                       const GLuint *pattern,
  84                       GLboolean enabled );
  85
  86 /* Unfilled triangles will be handled elsewhere (higher in the
  87  * pipeline), as will things like stipple (lower in the pipeline).
  88  */
  89
  90 void tri_triangle( struct tri_context *tri,
  91                    const struct vertex *v0,
  92                    const struct vertex *v1,
  93                    const struct vertex *v2 );
  94
  95 /* TODO: rasterize_line, rasterize_point??
  96  * How will linestipple work?
  97  */
  98
  99
 100 #ifdef SETUP_PRIVATE
 101
 102
 103
 104
 105
 106
 107 GLboolean tri_setup( struct tri_context *tri,
 108                        const struct vertex *v0,
 109                        const struct vertex *v1,
 110                        const struct vertex *v2 );
 111
 112 void tri_rasterize( struct tri_context *tri );
 113 void tri_rasterize_spans( struct tri_context *tri );
 114
 115
 116
 117
 118
 119
 120 #endif
 121 #endif