From 7c1f84a92b9727765a755c312e90b09b0cf6ed1d Mon Sep 17 00:00:00 2001
From: Subv <subv2112@gmail.com>
Date: Fri, 21 Aug 2015 11:01:42 -0500
Subject: SWRasterizer: Implemented stencil ops 6 and 7.

IncrementWrap and DecrementWrap, verified with hwtests.
---
 src/video_core/rasterizer.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/video_core/rasterizer.cpp')

diff --git a/src/video_core/rasterizer.cpp b/src/video_core/rasterizer.cpp
index 25911e0a2..b6c0e1bff 100644
--- a/src/video_core/rasterizer.cpp
+++ b/src/video_core/rasterizer.cpp
@@ -237,6 +237,12 @@ static u8 PerformStencilAction(Regs::StencilAction action, u8 old_stencil, u8 re
     case Regs::StencilAction::Invert:
         return ~old_stencil;
 
+    case Regs::StencilAction::IncrementWrap:
+        return old_stencil + 1;
+
+    case Regs::StencilAction::DecrementWrap:
+        return old_stencil - 1;
+
     default:
         LOG_CRITICAL(HW_GPU, "Unknown stencil action %x", (int)action);
         UNIMPLEMENTED();
-- 
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