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

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intern/cycles/kernel/split/kernel_shader_eval.h

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	* at entry,			* at entry,
	* QUEUE_ACTIVE_AND_REGENERATED_RAYS will be filled with RAY_ACTIVE and RAY_REGENERATED rays			* QUEUE_ACTIVE_AND_REGENERATED_RAYS will be filled with RAY_ACTIVE and RAY_REGENERATED rays
	* QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will be empty.			* QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will be empty.
	* at exit,			* at exit,
	* QUEUE_ACTIVE_AND_REGENERATED_RAYS will be filled with RAY_ACTIVE and RAY_REGENERATED rays			* QUEUE_ACTIVE_AND_REGENERATED_RAYS will be filled with RAY_ACTIVE and RAY_REGENERATED rays
	* QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will be filled with RAY_TO_REGENERATE rays			* QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS will be filled with RAY_TO_REGENERATE rays
	*/			*/

	ccl_device void kernel_shader_eval(KernelGlobals *kg)			ccl_device void kernel_shader_eval(KernelGlobals *kg,
				ccl_local_param unsigned int *local_queue_atomics)
	{			{
	/* Enqeueue RAY_TO_REGENERATE rays into QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS queue. */			/* Enqeueue RAY_TO_REGENERATE rays into QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS queue. */
	ccl_local unsigned int local_queue_atomics;
	if(ccl_local_id(0) == 0 && ccl_local_id(1) == 0) {			if(ccl_local_id(0) == 0 && ccl_local_id(1) == 0) {
	local_queue_atomics = 0;			*local_queue_atomics = 0;
	}			}
	ccl_barrier(CCL_LOCAL_MEM_FENCE);			ccl_barrier(CCL_LOCAL_MEM_FENCE);

	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);
	ray_index = get_ray_index(kg, ray_index,			ray_index = get_ray_index(kg, ray_index,
	QUEUE_ACTIVE_AND_REGENERATED_RAYS,			QUEUE_ACTIVE_AND_REGENERATED_RAYS,
	kernel_split_state.queue_data,			kernel_split_state.queue_data,
	kernel_split_params.queue_size,			kernel_split_params.queue_size,
	0);			0);

	if(ray_index == QUEUE_EMPTY_SLOT) {			if(ray_index == QUEUE_EMPTY_SLOT) {
	return;			return;
	}			}

	char enqueue_flag = (IS_STATE(kernel_split_state.ray_state, ray_index, RAY_TO_REGENERATE)) ? 1 : 0;			char enqueue_flag = (IS_STATE(kernel_split_state.ray_state, ray_index, RAY_TO_REGENERATE)) ? 1 : 0;
	enqueue_ray_index_local(ray_index,			enqueue_ray_index_local(ray_index,
	QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS,			QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS,
	enqueue_flag,			enqueue_flag,
	kernel_split_params.queue_size,			kernel_split_params.queue_size,
	&local_queue_atomics,			local_queue_atomics,
	kernel_split_state.queue_data,			kernel_split_state.queue_data,
	kernel_split_params.queue_index);			kernel_split_params.queue_index);

	/* Continue on with shader evaluation. */			/* Continue on with shader evaluation. */
	if(IS_STATE(kernel_split_state.ray_state, ray_index, RAY_ACTIVE)) {			if(IS_STATE(kernel_split_state.ray_state, ray_index, RAY_ACTIVE)) {
	Intersection *isect = &kernel_split_state.isect[ray_index];			Intersection *isect = &kernel_split_state.isect[ray_index];
	ccl_global uint *rng = &kernel_split_state.rng[ray_index];			ccl_global uint *rng = &kernel_split_state.rng[ray_index];
	ccl_global PathState *state = &kernel_split_state.path_state[ray_index];			ccl_global PathState *state = &kernel_split_state.path_state[ray_index];
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