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