2 files changed, 27 insertions, 1 deletions
diff --git a/src/gallium/drivers/swr/swr_state.cpp b/src/gallium/drivers/swr/swr_state.cpp
index 56b13746d02..12b4e9d6398 100644
--- a/src/gallium/drivers/swr/swr_state.cpp
+++ b/src/gallium/drivers/swr/swr_state.cpp
@@ -1153,6 +1153,10 @@ swr_update_derived(struct pipe_context *pipe,
          rastState->slopeScaledDepthBias = 0;
          rastState->depthBiasClamp = 0;
       }
+
+      /* translate polygon mode, at least for the front==back case */
+      rastState->fillMode = swr_convert_fill_mode(rasterizer->fill_front);
+
       struct pipe_surface *zb = fb->zsbuf;
       if (zb && swr_resource(zb->texture)->has_depth)
          rastState->depthFormat = swr_resource(zb->texture)->swr.format;
@@ -1423,7 +1427,9 @@ swr_update_derived(struct pipe_context *pipe,
    /* and points, since we rasterize them as triangles, too */
    /* Has to be before fragment shader, since it sets SWR_NEW_FS */
    if (p_draw_info) {
-      bool new_prim_is_poly = (u_reduced_prim(p_draw_info->mode) == PIPE_PRIM_TRIANGLES);
+      bool new_prim_is_poly =
+         (u_reduced_prim(p_draw_info->mode) == PIPE_PRIM_TRIANGLES) &&
+         (ctx->derived.rastState.fillMode == SWR_FILLMODE_SOLID);
       if (new_prim_is_poly != ctx->poly_stipple.prim_is_poly) {
          ctx->dirty |= SWR_NEW_FS;
          ctx->poly_stipple.prim_is_poly = new_prim_is_poly;
diff --git a/src/gallium/drivers/swr/swr_state.h b/src/gallium/drivers/swr/swr_state.h
index 9a8c4e1311c..7940a960d93 100644
--- a/src/gallium/drivers/swr/swr_state.h
+++ b/src/gallium/drivers/swr/swr_state.h
@@ -376,4 +376,24 @@ swr_convert_prim_topology(const unsigned mode)
       return TOP_UNKNOWN;
    }
 };
+
+/*
+ * convert mesa PIPE_POLYGON_MODE_X to SWR enum SWR_FILLMODE
+ */
+static INLINE enum SWR_FILLMODE
+swr_convert_fill_mode(const unsigned mode)
+{
+   switch(mode) {
+   case PIPE_POLYGON_MODE_FILL:
+      return SWR_FILLMODE_SOLID;
+   case PIPE_POLYGON_MODE_LINE:
+      return SWR_FILLMODE_WIREFRAME;
+   case PIPE_POLYGON_MODE_POINT:
+      return SWR_FILLMODE_POINT;
+   default:
+      assert(0 && "Unknown fillmode");
+      return SWR_FILLMODE_SOLID; // at least do something sensible
+   }
+}
+
 #endif