[Bf-blender-cvs] [9ff135d85dd] master: Cycles: Fixed crash when the camera was inside 16 volumes or more. It still won't render those volumes correctly, but at least the crash is addressed.

[Stefan Werner]

Commit: 9ff135d85dde3ee945eed95656e61dfba0e315d1
Author: Stefan Werner
Date:   Tue Jun 19 16:34:15 2018 +0200
Branches: master
https://developer.blender.org/rB9ff135d85dde3ee945eed95656e61dfba0e315d1

Cycles: Fixed crash when the camera was inside 16 volumes or more. It still won't render those volumes correctly, but at least the crash is addressed.

===================================================================

M	intern/cycles/kernel/kernel_volume.h

===================================================================

diff --git a/intern/cycles/kernel/kernel_volume.h b/intern/cycles/kernel/kernel_volume.h
index 86378289b02..58032545338 100644
--- a/intern/cycles/kernel/kernel_volume.h
+++ b/intern/cycles/kernel/kernel_volume.h
@@ -1172,7 +1172,7 @@ ccl_device void kernel_volume_stack_init(KernelGlobals *kg,
 						break;
 					}
 				}
-				if(need_add) {
+				if(need_add && stack_index < VOLUME_STACK_SIZE - 1) {
 					stack[stack_index].object = stack_sd->object;
 					stack[stack_index].shader = stack_sd->shader;
 					++stack_index;