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| author | Sergey Sharybin <sergey.vfx@gmail.com> | 2016-08-25 12:13:35 +0300 |
|---|---|---|
| committer | Sergey Sharybin <sergey.vfx@gmail.com> | 2016-08-25 12:13:35 +0300 |
| commit | 086ec8af485402f1cce5e8705de4ade07c741dbc (patch) | |
| tree | ab5f64304ac63ba621a5c96710658e244ce531a8 /intern/cycles/kernel/bvh/qbvh_volume.h | |
| parent | 99451698d3469f613934ffe2ce33da90dc820e22 (diff) | |
Cycles: Support proper visibility check in single volume intersection step for QBVH
Diffstat (limited to 'intern/cycles/kernel/bvh/qbvh_volume.h')
| -rw-r--r-- | intern/cycles/kernel/bvh/qbvh_volume.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/intern/cycles/kernel/bvh/qbvh_volume.h b/intern/cycles/kernel/bvh/qbvh_volume.h index b4f334eb842..847a11d8ad4 100644 --- a/intern/cycles/kernel/bvh/qbvh_volume.h +++ b/intern/cycles/kernel/bvh/qbvh_volume.h @@ -236,6 +236,14 @@ ccl_device bool BVH_FUNCTION_FULL_NAME(QBVH)(KernelGlobals *kg, /* If node is leaf, fetch triangle list. */ if(node_addr < 0) { float4 leaf = kernel_tex_fetch(__bvh_leaf_nodes, (-node_addr-1)); + + if((__float_as_uint(leaf.z) & visibility) == 0) { + /* Pop. */ + node_addr = traversal_stack[stack_ptr].addr; + --stack_ptr; + continue; + } + int prim_addr = __float_as_int(leaf.x); #if BVH_FEATURE(BVH_INSTANCING) |