Differential D2551 Diff 8401 intern/cycles/kernel/split/kernel_queue_enqueue.h

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intern/cycles/kernel/split/kernel_queue_enqueue.h

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	* State of queue during other times this kernel is called :			* State of queue during other times this kernel is called :
	* At entry,			* At entry,
	* QUEUE_ACTIVE_AND_REGENERATED_RAYS will be empty.			* QUEUE_ACTIVE_AND_REGENERATED_RAYS will be empty.
	* QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will contain RAY_TO_REGENERATE and RAY_UPDATE_BUFFER rays.			* QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will contain RAY_TO_REGENERATE and RAY_UPDATE_BUFFER rays.
	* At exit,			* At exit,
	* QUEUE_ACTIVE_AND_REGENERATED_RAYS will be filled with RAY_ACTIVE rays.			* QUEUE_ACTIVE_AND_REGENERATED_RAYS will be filled with RAY_ACTIVE rays.
	* QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will be filled with RAY_TO_REGENERATE, RAY_UPDATE_BUFFER, RAY_HIT_BACKGROUND rays.			* QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will be filled with RAY_TO_REGENERATE, RAY_UPDATE_BUFFER, RAY_HIT_BACKGROUND rays.
	*/			*/
	ccl_device void kernel_queue_enqueue(KernelGlobals *kg)			ccl_device void kernel_queue_enqueue(KernelGlobals *kg,
				ccl_local_param unsigned int local_queue_atomics[2])
	{			{
	/* We have only 2 cases (Hit/Not-Hit) */			/* We have only 2 cases (Hit/Not-Hit) */
	ccl_local unsigned int local_queue_atomics[2];

	int lidx = ccl_local_id(1) * ccl_local_size(0) + ccl_local_id(0);			int lidx = ccl_local_id(1) * ccl_local_size(0) + ccl_local_id(0);
	int ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0);			int ray_index = ccl_global_id(1) * ccl_global_size(0) + ccl_global_id(0);

	if(lidx == 0) {			if(lidx == 0) {
	local_queue_atomics[0] = 0;			local_queue_atomics[0] = 0;
	local_queue_atomics[1] = 0;			local_queue_atomics[1] = 0;
	}			}
	ccl_barrier(CCL_LOCAL_MEM_FENCE);			ccl_barrier(CCL_LOCAL_MEM_FENCE);
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