From 49a687882a659bd03fd09ca7a7d592818914597a Mon Sep 17 00:00:00 2001
From: Brian <brian.paul@tungstengraphics.com>
Date: Sun, 16 Mar 2008 10:33:59 -0600
Subject: [PATCH] gallium: finish remaining prim types for
 sp_vbuf_draw_arrays()

Not totally tested, but easily fixed if glitches are found.
---
 src/gallium/drivers/softpipe/sp_prim_vbuf.c | 73 +++++++++++++++++++++
 1 file changed, 73 insertions(+)

diff --git a/src/gallium/drivers/softpipe/sp_prim_vbuf.c b/src/gallium/drivers/softpipe/sp_prim_vbuf.c
index db0913cb2bc..e7d0cb2b870 100644
--- a/src/gallium/drivers/softpipe/sp_prim_vbuf.c
+++ b/src/gallium/drivers/softpipe/sp_prim_vbuf.c
@@ -207,6 +207,27 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
    (struct vertex_header *) ((char *) vertex_buffer + (I) * vertex_size)
 
    switch (cvbr->prim) {
+   case PIPE_PRIM_POINTS:
+      for (i = 0; i < nr; i++) {
+         prim.v[0] = VERTEX(i);
+         setup->point( setup, &prim );
+      }
+      break;
+   case PIPE_PRIM_LINES:
+      assert(nr % 2 == 0);
+      for (i = 0; i < nr; i += 2) {
+         prim.v[0] = VERTEX(i);
+         prim.v[1] = VERTEX(i + 1);
+         setup->line( setup, &prim );
+      }
+      break;
+   case PIPE_PRIM_LINE_STRIP:
+      for (i = 1; i < nr; i++) {
+         prim.v[0] = VERTEX(i - 1);
+         prim.v[1] = VERTEX(i);
+         setup->line( setup, &prim );
+      }
+      break;
    case PIPE_PRIM_TRIANGLES:
       assert(nr % 3 == 0);
       for (i = 0; i < nr; i += 3) {
@@ -217,6 +238,58 @@ sp_vbuf_draw_arrays(struct vbuf_render *vbr, uint start, uint nr)
          setup->tri( setup, &prim );
       }
       break;
+   case PIPE_PRIM_TRIANGLE_STRIP:
+      assert(nr >= 3);
+      for (i = 2; i < nr; i++) {
+         prim.v[0] = VERTEX(i - 2);
+         prim.v[1] = VERTEX(i - 1);
+         prim.v[2] = VERTEX(i);
+         calc_det(&prim);
+         setup->tri( setup, &prim );
+      }
+      break;
+   case PIPE_PRIM_TRIANGLE_FAN:
+      assert(nr >= 3);
+      for (i = 2; i < nr; i++) {
+         prim.v[0] = VERTEX(0);
+         prim.v[1] = VERTEX(i - 1);
+         prim.v[2] = VERTEX(i);
+         calc_det(&prim);
+         setup->tri( setup, &prim );
+      }
+      break;
+   case PIPE_PRIM_QUADS:
+      assert(nr % 4 == 0);
+      for (i = 0; i < nr; i += 4) {
+         prim.v[0] = VERTEX(i + 0);
+         prim.v[1] = VERTEX(i + 1);
+         prim.v[2] = VERTEX(i + 2);
+         calc_det(&prim);
+         setup->tri( setup, &prim );
+
+         prim.v[0] = VERTEX(i + 0);
+         prim.v[1] = VERTEX(i + 2);
+         prim.v[2] = VERTEX(i + 3);
+         calc_det(&prim);
+         setup->tri( setup, &prim );
+      }
+      break;
+   case PIPE_PRIM_QUAD_STRIP:
+      assert(nr >= 4);
+      for (i = 2; i < nr; i += 2) {
+         prim.v[0] = VERTEX(i - 2);
+         prim.v[1] = VERTEX(i);
+         prim.v[2] = VERTEX(i + 1);
+         calc_det(&prim);
+         setup->tri( setup, &prim );
+
+         prim.v[0] = VERTEX(i - 2);
+         prim.v[1] = VERTEX(i + 1);
+         prim.v[2] = VERTEX(i - 1);
+         calc_det(&prim);
+         setup->tri( setup, &prim );
+      }
+      break;
    case PIPE_PRIM_POLYGON:
       /* draw as tri fan */
       for (i = 2; i < nr; i++) {
-- 
2.30.2