Esempio n. 1
0
struct draw_context *draw_create( void )
{
   struct draw_context *draw = CALLOC_STRUCT( draw_context );
   if (draw == NULL)
      goto fail;

   ASSIGN_4V( draw->plane[0], -1,  0,  0, 1 );
   ASSIGN_4V( draw->plane[1],  1,  0,  0, 1 );
   ASSIGN_4V( draw->plane[2],  0, -1,  0, 1 );
   ASSIGN_4V( draw->plane[3],  0,  1,  0, 1 );
   ASSIGN_4V( draw->plane[4],  0,  0,  1, 1 ); /* yes these are correct */
   ASSIGN_4V( draw->plane[5],  0,  0, -1, 1 ); /* mesa's a bit wonky */
   draw->nr_planes = 6;


   draw->reduced_prim = ~0; /* != any of PIPE_PRIM_x */


   if (!draw_pipeline_init( draw ))
      goto fail;

   if (!draw_pt_init( draw ))
      goto fail;

   if (!draw_vs_init( draw ))
      goto fail;

   return draw;

fail:
   draw_destroy( draw );   
   return NULL;
}
Esempio n. 2
0
boolean draw_init(struct draw_context *draw)
{
   /*
    * Note that several functions compute the clipmask of the predefined
    * formats with hardcoded formulas instead of using these. So modifications
    * here must be reflected there too.
    */

   ASSIGN_4V( draw->plane[0], -1,  0,  0, 1 );
   ASSIGN_4V( draw->plane[1],  1,  0,  0, 1 );
   ASSIGN_4V( draw->plane[2],  0, -1,  0, 1 );
   ASSIGN_4V( draw->plane[3],  0,  1,  0, 1 );
   ASSIGN_4V( draw->plane[4],  0,  0,  1, 1 ); /* yes these are correct */
   ASSIGN_4V( draw->plane[5],  0,  0, -1, 1 ); /* mesa's a bit wonky */
   draw->clip_xy = TRUE;
   draw->clip_z = TRUE;

   draw->pt.user.planes = (float (*) [DRAW_TOTAL_CLIP_PLANES][4]) &(draw->plane[0]);
   draw->pt.user.eltMax = ~0;

   if (!draw_pipeline_init( draw ))
      return FALSE;

   if (!draw_pt_init( draw ))
      return FALSE;

   if (!draw_vs_init( draw ))
      return FALSE;

   if (!draw_gs_init( draw ))
      return FALSE;

   draw->quads_always_flatshade_last = !draw->pipe->screen->get_param(
      draw->pipe->screen, PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION);

   draw->floating_point_depth = false;

   return TRUE;
}
Esempio n. 3
0
boolean draw_init(struct draw_context *draw)
{
   /*
    * Note that several functions compute the clipmask of the predefined
    * formats with hardcoded formulas instead of using these. So modifications
    * here must be reflected there too.
    */

   ASSIGN_4V( draw->plane[0], -1,  0,  0, 1 );
   ASSIGN_4V( draw->plane[1],  1,  0,  0, 1 );
   ASSIGN_4V( draw->plane[2],  0, -1,  0, 1 );
   ASSIGN_4V( draw->plane[3],  0,  1,  0, 1 );
   ASSIGN_4V( draw->plane[4],  0,  0,  1, 1 ); /* yes these are correct */
   ASSIGN_4V( draw->plane[5],  0,  0, -1, 1 ); /* mesa's a bit wonky */
   draw->nr_planes = 6;
   draw->clip_xy = TRUE;
   draw->clip_z = TRUE;


   draw->reduced_prim = ~0; /* != any of PIPE_PRIM_x */


   if (!draw_pipeline_init( draw ))
      return FALSE;

   if (!draw_pt_init( draw ))
      return FALSE;

   if (!draw_vs_init( draw ))
      return FALSE;

   if (!draw_gs_init( draw ))
      return FALSE;

   return TRUE;
}