1 files changed, 27 insertions, 4 deletions

diff --git a/src/gallium/drivers/svga/svga_state_need_swtnl.c b/src/gallium/drivers/svga/svga_state_need_swtnl.c
index 66fea02a4b..68c0257878 100644
--- a/src/gallium/drivers/svga/svga_state_need_swtnl.c
+++ b/src/gallium/drivers/svga/svga_state_need_swtnl.c
@@ -35,6 +35,11 @@
 /***********************************************************************
  */
 
+
+/**
+ * Given a gallium vertex element format, return the corresponding SVGA3D
+ * format.  Return SVGA3D_DECLTYPE_MAX for unsupported gallium formats.
+ */
 static INLINE SVGA3dDeclType 
 svga_translate_vertex_format(enum pipe_format format)
 {
@@ -80,6 +85,7 @@ static int update_need_swvfetch( struct svga_context *svga,
    for (i = 0; i < svga->curr.velems->count; i++) {
       svga->state.sw.ve_format[i] = svga_translate_vertex_format(svga->curr.velems->velem[i].src_format);
       if (svga->state.sw.ve_format[i] == SVGA3D_DECLTYPE_MAX) {
+         /* Unsupported format - use software fetch */
          need_swvfetch = TRUE;
          break;
       }
@@ -118,6 +124,11 @@ static int update_need_pipeline( struct svga_context *svga,
                  __FUNCTION__,
                  svga->curr.rast->need_pipeline,
                  (1 << svga->curr.reduced_prim) );
+      SVGA_DBG(DEBUG_SWTNL, "%s: rast need_pipeline tris (%s), lines (%s), points (%s)\n",
+                 __FUNCTION__,
+                 svga->curr.rast->need_pipeline_tris_str,
+                 svga->curr.rast->need_pipeline_lines_str,
+                 svga->curr.rast->need_pipeline_points_str);
       need_pipeline = TRUE;
    }
 
@@ -140,6 +151,10 @@ static int update_need_pipeline( struct svga_context *svga,
       svga->dirty |= SVGA_NEW_NEED_PIPELINE;
    }
 
+   /* DEBUG */
+   if (0 && svga->state.sw.need_pipeline)
+      debug_printf("sw.need_pipeline = %d\n", svga->state.sw.need_pipeline);
+
    return 0;
 }
 
@@ -164,20 +179,28 @@ static int update_need_swtnl( struct svga_context *svga,
    boolean need_swtnl;
 
    if (svga->debug.no_swtnl) {
-      svga->state.sw.need_swvfetch = 0;
-      svga->state.sw.need_pipeline = 0;
+      svga->state.sw.need_swvfetch = FALSE;
+      svga->state.sw.need_pipeline = FALSE;
    }
 
    need_swtnl = (svga->state.sw.need_swvfetch ||
                  svga->state.sw.need_pipeline);
 
    if (svga->debug.force_swtnl) {
-      need_swtnl = 1;
+      need_swtnl = TRUE;
    }
 
+   /*
+    * Some state changes the draw module does makes us belive we
+    * we don't need swtnl. This causes the vdecl code to pickup
+    * the wrong buffers and vertex formats. Try trivial/line-wide.
+    */
+   if (svga->state.sw.in_swtnl_draw)
+      need_swtnl = TRUE;
+
    if (need_swtnl != svga->state.sw.need_swtnl) {
       SVGA_DBG(DEBUG_SWTNL|DEBUG_PERF,
-               "%s need_swvfetch: %s, need_pipeline %s\n",
+               "%s: need_swvfetch %s, need_pipeline %s\n",
                __FUNCTION__,
                svga->state.sw.need_swvfetch ? "true" : "false",
                svga->state.sw.need_pipeline ? "true" : "false");