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Fix T51950: Abnormally long Cycles OpenCL GPU render times with certain panoramic camera settings 

The problem here was that when a "invalid" path is generated by the panoramic camera, it was tagged
as RAY_TO_REGENERATE with the intention of generating a new path in kernel_buffer_update.

However, since that state was not handled in kernel_queue_enqueue, kernel_buffer_update did not
process the path which resulted in an infinite loop.
This commit is contained in:
Lukas Stockner 2017-07-03 18:22:35 +02:00
parent 6782a6076c
commit 15fd758bd6
1 changed files with 2 additions and 1 deletions
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3
intern/cycles/kernel/split/kernel_queue_enqueue.h
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@ -51,7 +51,8 @@ ccl_device void kernel_queue_enqueue(KernelGlobals *kg,
int queue_number = -1;
if(IS_STATE(kernel_split_state.ray_state, ray_index, RAY_HIT_BACKGROUND) ||
IS_STATE(kernel_split_state.ray_state, ray_index, RAY_UPDATE_BUFFER)) {
IS_STATE(kernel_split_state.ray_state, ray_index, RAY_UPDATE_BUFFER) ||
IS_STATE(kernel_split_state.ray_state, ray_index, RAY_TO_REGENERATE)) {
queue_number = QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS;
}
else if(IS_STATE(kernel_split_state.ray_state, ray_index, RAY_ACTIVE) ||