Cycles: Make regular bvh traversal functions close to each other

This commit is contained in:
Sergey Sharybin 2016-09-20 13:29:07 +02:00
parent a6db95cd42
commit a5f14ad1a2
2 changed files with 8 additions and 8 deletions

@ -108,7 +108,7 @@ bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals *kg,
do {
/* traverse internal nodes */
while(node_addr >= 0 && node_addr != ENTRYPOINT_SENTINEL) {
int node_addr_ahild1, traverse_mask;
int node_addr_child1, traverse_mask;
float dist[2];
float4 cnodes = kernel_tex_fetch(__bvh_nodes, node_addr+0);
@ -141,25 +141,25 @@ bool BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals *kg,
#endif // __KERNEL_SSE2__
node_addr = __float_as_int(cnodes.z);
node_addr_ahild1 = __float_as_int(cnodes.w);
node_addr_child1 = __float_as_int(cnodes.w);
if(traverse_mask == 3) {
/* Both children were intersected, push the farther one. */
bool is_closest_child1 = (dist[1] < dist[0]);
if(is_closest_child1) {
int tmp = node_addr;
node_addr = node_addr_ahild1;
node_addr_ahild1 = tmp;
node_addr = node_addr_child1;
node_addr_child1 = tmp;
}
++stack_ptr;
kernel_assert(stack_ptr < BVH_STACK_SIZE);
traversal_stack[stack_ptr] = node_addr_ahild1;
traversal_stack[stack_ptr] = node_addr_child1;
}
else {
/* One child was intersected. */
if(traverse_mask == 2) {
node_addr = node_addr_ahild1;
node_addr = node_addr_child1;
}
else if(traverse_mask == 0) {
/* Neither child was intersected. */

@ -99,7 +99,7 @@ uint BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals *kg,
ssef tsplat(0.0f, 0.0f, -isect_t, -isect_t);
gen_idirsplat_swap(pn, shuf_identity, shuf_swap, idir, idirsplat, shufflexyz);
#endif
#endif /* __KERNEL_SSE2__ */
IsectPrecalc isect_precalc;
triangle_intersect_precalc(dir, &isect_precalc);
@ -378,7 +378,7 @@ uint BVH_FUNCTION_FULL_NAME(BVH)(KernelGlobals *kg,
node_addr = traversal_stack[stack_ptr];
--stack_ptr;
}
#endif /* FEATURE(BVH_MOTION) */
#endif /* FEATURE(BVH_INSTANCING) */
} while(node_addr != ENTRYPOINT_SENTINEL);
return num_hits;