ilo: use u_reduced_prims_for_vertices()

We do not need our own prim_count() anymore.

diff --git a/src/gallium/drivers/ilo/ilo_3d_pipeline.c b/src/gallium/drivers/ilo/ilo_3d_pipeline.c
index bbdf180..2515357 100644 (file)
--- a/src/gallium/drivers/ilo/ilo_3d_pipeline.c
+++ b/src/gallium/drivers/ilo/ilo_3d_pipeline.c
@@ -143,73 +143,6 @@ handle_invalid_batch_bo(struct ilo_3d_pipeline *p, bool unset)
    }
 }
 
-/* XXX move to u_prim.h */
-static unsigned
-prim_count(unsigned prim, unsigned num_verts)
-{
-   unsigned num_prims;
-
-   u_trim_pipe_prim(prim, &num_verts);
-
-   switch (prim) {
-   case PIPE_PRIM_POINTS:
-      num_prims = num_verts;
-      break;
-   case PIPE_PRIM_LINES:
-      num_prims = num_verts / 2;
-      break;
-   case PIPE_PRIM_LINE_LOOP:
-      num_prims = num_verts;
-      break;
-   case PIPE_PRIM_LINE_STRIP:
-      num_prims = num_verts - 1;
-      break;
-   case PIPE_PRIM_TRIANGLES:
-      num_prims = num_verts / 3;
-      break;
-   case PIPE_PRIM_TRIANGLE_STRIP:
-   case PIPE_PRIM_TRIANGLE_FAN:
-      num_prims = num_verts - 2;
-      break;
-   case PIPE_PRIM_QUADS:
-      num_prims = (num_verts / 4) * 2;
-      break;
-   case PIPE_PRIM_QUAD_STRIP:
-      num_prims = (num_verts / 2 - 1) * 2;
-      break;
-   case PIPE_PRIM_POLYGON:
-      num_prims = num_verts - 2;
-      break;
-   case PIPE_PRIM_LINES_ADJACENCY:
-      num_prims = num_verts / 4;
-      break;
-   case PIPE_PRIM_LINE_STRIP_ADJACENCY:
-      num_prims = num_verts - 3;
-      break;
-   case PIPE_PRIM_TRIANGLES_ADJACENCY:
-      /* u_trim_pipe_prim is wrong? */
-      num_verts += 1;
-
-      num_prims = num_verts / 6;
-      break;
-   case PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY:
-      /* u_trim_pipe_prim is wrong? */
-      if (num_verts >= 6)
-         num_verts -= (num_verts % 2);
-      else
-         num_verts = 0;
-
-      num_prims = (num_verts / 2 - 2);
-      break;
-   default:
-      assert(!"unknown pipe prim");
-      num_prims = 0;
-      break;
-   }
-
-   return num_prims;
-}
-
 /**
  * Emit context states and 3DPRIMITIVE.
  */
@@ -275,7 +208,7 @@ ilo_3d_pipeline_emit_draw(struct ilo_3d_pipeline *p,
       const int num_verts = u_vertices_per_prim(u_reduced_prim(info->mode));
       const int max_emit =
          (p->state.so_max_vertices - p->state.so_num_vertices) / num_verts;
-      const int generated = prim_count(info->mode, info->count);
+      const int generated = u_reduced_prims_for_vertices(info->mode, info->count);
       const int emitted = MIN2(generated, max_emit);
 
       p->state.so_num_vertices += emitted * num_verts;