src/gallium/auxiliary/draw/draw_prim_assembler.h

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  27
  28 /*
  29  * Input assembler needs to be able to decompose adjacency primitives
  30  * into something that can be understood by the rest of the pipeline.
  31  * The specs say that the adjacency primitives are *only* visible
  32  * in the geometry shader, for everything else they need to be
  33  * decomposed. Which in most of the cases is not an issue, because the
  34  * geometry shader always decomposes them for us, but without geometry
  35  * shader we were passing unchanged adjacency primitives to the
  36  * rest of the pipeline and causing crashes everywhere.
  37  * If geometry shader is missing and the input primitive is one of
  38  * the adjacency primitives we use the code from this file to
  39  * decompose them into something that the rest of the pipeline can
  40  * understand.
  41  *
  42  */
  43
  44 #ifndef DRAW_PRIM_ASSEMBLER_H
  45 #define DRAW_PRIM_ASSEMBLER_H
  46
  47 #include "draw/draw_private.h"
  48
  49 struct draw_assembler;
  50
  51 struct draw_assembler *
  52 draw_prim_assembler_create(struct draw_context *draw);
  53
  54 void
  55 draw_prim_assembler_destroy(struct draw_assembler *ia);
  56
  57 boolean
  58 draw_prim_assembler_is_required(const struct draw_context *draw,
  59                                 const struct draw_prim_info *prim_info,
  60                                 const struct draw_vertex_info *vert_info);
  61
  62 void
  63 draw_prim_assembler_run(struct draw_context *draw,
  64                         const struct draw_prim_info *in_prim_info,
  65                         const struct draw_vertex_info *in_vert_info,
  66                         struct draw_prim_info *out_prim_info,
  67                         struct draw_vertex_info *out_vert_info);
  68
  69
  70 void
  71 draw_prim_assembler_prepare_outputs(struct draw_assembler *ia);
  72
  73 void
  74 draw_prim_assembler_new_instance(struct draw_assembler *ia);
  75
  76
  77 #endif