Commit: 0f3d5589825819e98e2bf7350ca776673a3e598e Author: Sergey Sharybin Date: Fri Apr 1 18:03:58 2016 +0200 Branches: blender-v2.77-release https://developer.blender.org/rB0f3d5589825819e98e2bf7350ca776673a3e598e
Cycles: Fix wrong camera-in-volume stack when camera ray hits volume domain twice =================================================================== M intern/cycles/kernel/kernel_volume.h =================================================================== diff --git a/intern/cycles/kernel/kernel_volume.h b/intern/cycles/kernel/kernel_volume.h index ccb7436..984eb7e 100644 --- a/intern/cycles/kernel/kernel_volume.h +++ b/intern/cycles/kernel/kernel_volume.h @@ -1010,17 +1010,22 @@ ccl_device void kernel_volume_stack_init(KernelGlobals *kg, ShaderData sd; shader_setup_from_ray(kg, &sd, isect, &volume_ray); if(sd.flag & SD_BACKFACING) { - /* If ray exited the volume and never entered to that volume - * it means that camera is inside such a volume. - */ - bool is_enclosed = false; - for(int i = 0; i < enclosed_index; ++i) { - if(enclosed_volumes[i] == sd.object) { - is_enclosed = true; + bool need_add = true; + for(int i = 0; stack[i].shader != SHADER_NONE; ++i) { + /* If ray exited the volume and never entered to that volume + * it means that camera is inside such a volume. + */ + if(i < enclosed_index && enclosed_volumes[i] == sd.object) { + need_add = false; + break; + } + /* Don't add intersections twice. */ + if(stack[i].object == sd.object) { + need_add = false; break; } } - if(is_enclosed == false) { + if(need_add) { stack[stack_index].object = sd.object; stack[stack_index].shader = sd.shader; ++stack_index; _______________________________________________ Bf-blender-cvs mailing list Bf-blender-cvs@blender.org https://lists.blender.org/mailman/listinfo/bf-blender-cvs