From 4c68acba3749b84c95c0e8751a00eeb1e820d6f4 Mon Sep 17 00:00:00 2001
From: Alok Hota <alok.hota@intel.com>
Date: Wed, 12 Sep 2018 14:18:28 -0500
Subject: [PATCH] swr/rast: early exit on empty triangle mask

Reviewed-by: Bruce Cherniak <bruce.cherniak@intel.com>
---
 src/gallium/drivers/swr/rasterizer/core/binner.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/gallium/drivers/swr/rasterizer/core/binner.cpp b/src/gallium/drivers/swr/rasterizer/core/binner.cpp
index 7731e997ea5..6dc703c3fa8 100644
--- a/src/gallium/drivers/swr/rasterizer/core/binner.cpp
+++ b/src/gallium/drivers/swr/rasterizer/core/binner.cpp
@@ -1027,6 +1027,12 @@ void SIMDCALL BinTrianglesImpl(DRAW_CONTEXT*          pDC,
 endBinTriangles:
 
 
+    if (!triMask)
+    {
+        RDTSC_END(FEBinTriangles, 1);
+        return;
+    }
+
     // Send surviving triangles to the line or point binner based on fill mode
     if (rastState.fillMode == SWR_FILLMODE_WIREFRAME)
     {
-- 
2.30.2