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Cycles: Implement proper visibility check in QBVH volume all intersection

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This commit is contained in:
Sergey Sharybin 2016-08-25 11:09:06 +02:00
parent 29c733e6f2
commit 99451698d3
1 changed files with 8 additions and 0 deletions
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8
intern/cycles/kernel/bvh/qbvh_volume_all.h
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@ -240,6 +240,14 @@ ccl_device uint 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)