llvmpipe: import experimental softpipe rasterizer code, wip binning code

WIP, does't build or run.

Rasterizer code is based on Nick Capen's devmaster posts and the
larrabee articles, but currently doesn't share either the performance
or correctness of either...

1 files changed, 10 insertions, 15 deletions

diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c
index 30fb41ea65..31eaadda21 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_derived.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c
@@ -67,24 +67,19 @@ llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe)
       const struct lp_fragment_shader *lpfs = llvmpipe->fs;
       const enum interp_mode colorInterp
          = llvmpipe->rasterizer->flatshade ? INTERP_CONSTANT : INTERP_LINEAR;
+      struct vertex_info *vinfo_vbuf = &llvmpipe->vertex_info_vbuf;
+      const uint num = draw_num_vs_outputs(llvmpipe->draw);
       uint i;
 
-      if (llvmpipe->vbuf) {
-         /* if using the post-transform vertex buffer, tell draw_vbuf to
-          * simply emit the whole post-xform vertex as-is:
-          */
-         struct vertex_info *vinfo_vbuf = &llvmpipe->vertex_info_vbuf;
-         const uint num = draw_num_vs_outputs(llvmpipe->draw);
-         uint i;
-
-         /* No longer any need to try and emit draw vertex_header info.
-          */
-         vinfo_vbuf->num_attribs = 0;
-         for (i = 0; i < num; i++) {
-            draw_emit_vertex_attr(vinfo_vbuf, EMIT_4F, INTERP_PERSPECTIVE, i);
-         }
-         draw_compute_vertex_size(vinfo_vbuf);
+      /* Tell draw_vbuf to simply emit the whole post-xform vertex
+       * as-is.  No longer any need to try and emit draw vertex_header
+       * info.
+       */
+      vinfo_vbuf->num_attribs = 0;
+      for (i = 0; i < num; i++) {
+	 draw_emit_vertex_attr(vinfo_vbuf, EMIT_4F, INTERP_PERSPECTIVE, i);
       }
+      draw_compute_vertex_size(vinfo_vbuf);
 
       /*
        * Loop over fragment shader inputs, searching for the matching output