From 8d48ea0233b9f0aba9a7a7bf8591e4110008c11c Mon Sep 17 00:00:00 2001
From: Sergey Sharybin <sergey.vfx@gmail.com>
Date: Tue, 21 Mar 2017 13:55:27 +0100
Subject: Cycles: Make shadow catcher an optional feature for OpenCL

Solves majority of speed regression on AMD OpenCL.
---
 intern/cycles/render/session.cpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'intern/cycles/render/session.cpp')

diff --git a/intern/cycles/render/session.cpp b/intern/cycles/render/session.cpp
index e7050f9ef37..bd664b35e19 100644
--- a/intern/cycles/render/session.cpp
+++ b/intern/cycles/render/session.cpp
@@ -637,6 +637,9 @@ DeviceRequestedFeatures Session::get_requested_device_features()
 			requested_features.use_patch_evaluation = true;
 		}
 #endif
+		if(object->is_shadow_catcher) {
+			requested_features.use_shadow_tricks = true;
+		}
 	}
 
 	BakeManager *bake_manager = scene->bake_manager;
-- 
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