From f589b28f8022bbe2278be6893c432b15c08937e2 Mon Sep 17 00:00:00 2001
From: Brecht Van Lommel <brechtvanlommel@gmail.com>
Date: Wed, 27 Mar 2019 21:18:18 +0100
Subject: Fix part of T63023: wrong Cycles window coordinates for background.

---
 intern/cycles/kernel/kernel_shader.h | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'intern')

diff --git a/intern/cycles/kernel/kernel_shader.h b/intern/cycles/kernel/kernel_shader.h
index eff792ec53d..b1da523501d 100644
--- a/intern/cycles/kernel/kernel_shader.h
+++ b/intern/cycles/kernel/kernel_shader.h
@@ -434,6 +434,9 @@ ccl_device_inline void shader_setup_from_background(KernelGlobals *kg, ShaderDat
 	sd->dv = differential_zero();
 #endif
 
+	/* for NDC coordinates */
+	sd->ray_P = ray->P;
+
 	PROFILING_SHADER(sd->shader);
 	PROFILING_OBJECT(sd->object);
 }
-- 
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