[Mesa-dev] [PATCH 3/7] i965: Assert that SYSTEM_VALUE_VERTEX_ID gets lowered

Kristian Høgsberg Kristensen krh at bitplanet.net
Tue Dec 15 00:28:10 PST 2015


fs_visitor::emit_vs_system_value() looks like it's trying to handle
SYSTEM_VALUE_VERTEX_ID, but we should never see that value in the
backend.
---
 src/mesa/drivers/dri/i965/brw_fs_visitor.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
index 68f2548..d5193a9 100644
--- a/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs_visitor.cpp
@@ -46,6 +46,7 @@ fs_visitor::emit_vs_system_value(int location)
       vs_prog_data->uses_vertexid = true;
       break;
    case SYSTEM_VALUE_VERTEX_ID:
+      unreachable("should have been lowered");
    case SYSTEM_VALUE_VERTEX_ID_ZERO_BASE:
       reg->reg_offset = 2;
       vs_prog_data->uses_vertexid = true;
-- 
2.5.0



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