From: Tim Rowley <timothy.o.rowley@intel.com>
Date: Tue, 14 Jun 2016 16:25:02 +0000 (-0600)
Subject: swr: [rasterizer core] track whether GS outputs viewport array index
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=35935ca4f2b204c497cc416f7ff82250235ccd9a;p=mesa.git

swr: [rasterizer core] track whether GS outputs viewport array index

So we can skip the index gather in PA.

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
---

diff --git a/src/gallium/drivers/swr/rasterizer/core/state.h b/src/gallium/drivers/swr/rasterizer/core/state.h
index 29048f10ae4..bfa9929e0b4 100644
--- a/src/gallium/drivers/swr/rasterizer/core/state.h
+++ b/src/gallium/drivers/swr/rasterizer/core/state.h
@@ -676,6 +676,9 @@ struct SWR_GS_STATE
     // geometry shader emits PrimitiveID
     bool emitsPrimitiveID;
 
+    // geometry shader emits ViewportArrayIndex
+    bool emitsViewportArrayIndex;
+
     // if true, geometry shader emits a single stream, with separate cut buffer.
     // if false, geometry shader emits vertices for multiple streams to the stream buffer, with a separate StreamID buffer
     // to map vertices to streams