From a585cbd2af92c0a1ebf24c1a28069bb4ebf1d177 Mon Sep 17 00:00:00 2001 From: Sergey Sharybin Date: Tue, 24 Feb 2015 13:06:29 +0500 Subject: Fix T43783: Cycles clipping doesn't match viewport when camera is inside volume Ray length adjustment got lost in some refactor commit back to 2.71 days. --- intern/cycles/kernel/kernel_path_surface.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'intern/cycles/kernel/kernel_path_surface.h') diff --git a/intern/cycles/kernel/kernel_path_surface.h b/intern/cycles/kernel/kernel_path_surface.h index d2704c367e4..f0d4e98c5e0 100644 --- a/intern/cycles/kernel/kernel_path_surface.h +++ b/intern/cycles/kernel/kernel_path_surface.h @@ -281,6 +281,11 @@ ccl_device_inline bool kernel_path_surface_bounce(KernelGlobals *kg, RNG *rng, /* update path state, count as transparent */ path_state_next(kg, state, LABEL_TRANSPARENT); + if(state->bounce == 0) + ray->t -= sd->ray_length; /* clipping works through transparent */ + else + ray->t = FLT_MAX; + /* setup ray position, direction stays unchanged */ ray->P = ray_offset(sd->P, -sd->Ng); #ifdef __RAY_DIFFERENTIALS__ -- cgit v1.2.3