anv/gen7: Properly handle VS with VertexID but no vertices

2015-11-10 11:31:31 -08:00
parent aafc87402d
commit b461744c52
1 changed files with 5 additions and 4 deletions
@@ -39,10 +39,11 @@ gen7_emit_vertex_input(struct anv_pipeline *pipeline,
   const uint32_t num_dwords = 1 + element_count * 2;
   uint32_t *p;

-   if (info->attributeCount > 0) {
-      p = anv_batch_emitn(&pipeline->batch, num_dwords,
-                          GEN7_3DSTATE_VERTEX_ELEMENTS);
-   }
+   if (info->attributeCount == 0 && !sgvs)
+      return;
+
+   p = anv_batch_emitn(&pipeline->batch, num_dwords,
+                       GEN7_3DSTATE_VERTEX_ELEMENTS);

   for (uint32_t i = 0; i < info->attributeCount; i++) {
      const VkVertexInputAttributeDescription *desc =