From ed7e593a4b129e1367a7f5aa2d0e9036e5363bea Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Mon, 23 Mar 2015 12:48:33 +0500 Subject: Fix T43926: Volume scatter: intersecting objects GPU rendering artifacts Fix T44007: Cycles Volumetrics: block artifacts with overlapping volumes The issue was caused by uninitialized parameters of some closures, which lead to unpredictable behavior of shader_merge_closures(). --- intern/cycles/kernel/closure/volume.h | 1 + 1 file changed, 1 insertion(+) (limited to 'intern/cycles/kernel/closure/volume.h') diff --git a/intern/cycles/kernel/closure/volume.h b/intern/cycles/kernel/closure/volume.h index 439610546e5..4143980f2cd 100644 --- a/intern/cycles/kernel/closure/volume.h +++ b/intern/cycles/kernel/closure/volume.h @@ -35,6 +35,7 @@ ccl_device int volume_henyey_greenstein_setup(ShaderClosure *sc) /* clamp anisotropy to avoid delta function */ sc->data0 = signf(sc->data0) * min(fabsf(sc->data0), 1.0f - 1e-3f); + sc->data1 = 0.0f; return SD_SCATTER; } -- cgit v1.2.3