4ca688a963
Ideally we shouldn't use char* at all, but for now we have to, so at least let's assume common .h files are free from pointer magic.
85 lines
3.3 KiB
Common Lisp
85 lines
3.3 KiB
Common Lisp
/*
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* Copyright 2011-2015 Blender Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "split/kernel_lamp_emission.h"
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__kernel void kernel_ocl_path_trace_lamp_emission(
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ccl_global char *kg,
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ccl_constant KernelData *data,
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ccl_global char *sd, /* Required for lamp emission */
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ccl_global float3 *throughput_coop, /* Required for lamp emission */
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PathRadiance *PathRadiance_coop, /* Required for lamp emission */
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ccl_global Ray *Ray_coop, /* Required for lamp emission */
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ccl_global PathState *PathState_coop, /* Required for lamp emission */
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Intersection *Intersection_coop, /* Required for lamp emission */
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ccl_global char *ray_state, /* Denotes the state of each ray */
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int sw, int sh,
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ccl_global int *Queue_data, /* Memory for queues */
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ccl_global int *Queue_index, /* Tracks the number of elements in queues */
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int queuesize, /* Size (capacity) of queues */
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ccl_global char *use_queues_flag, /* Used to decide if this kernel should use
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* queues to fetch ray index
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*/
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int parallel_samples) /* Number of samples to be processed in parallel */
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{
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int x = get_global_id(0);
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int y = get_global_id(1);
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/* We will empty this queue in this kernel. */
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if(get_global_id(0) == 0 && get_global_id(1) == 0) {
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Queue_index[QUEUE_ACTIVE_AND_REGENERATED_RAYS] = 0;
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}
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/* Fetch use_queues_flag. */
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ccl_local char local_use_queues_flag;
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if(get_local_id(0) == 0 && get_local_id(1) == 0) {
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local_use_queues_flag = use_queues_flag[0];
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}
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barrier(CLK_LOCAL_MEM_FENCE);
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int ray_index;
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if(local_use_queues_flag) {
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int thread_index = get_global_id(1) * get_global_size(0) + get_global_id(0);
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ray_index = get_ray_index(thread_index,
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QUEUE_ACTIVE_AND_REGENERATED_RAYS,
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Queue_data,
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queuesize,
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1);
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if(ray_index == QUEUE_EMPTY_SLOT) {
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return;
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}
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} else {
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if(x < (sw * parallel_samples) && y < sh){
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ray_index = x + y * (sw * parallel_samples);
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} else {
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return;
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}
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}
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kernel_lamp_emission((KenrelGLobals *)kg,
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data,
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(ShaderData *)sd,
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throughput_coop,
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PathRadiance_coop,
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Ray_coop,
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PathState_coop,
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Intersection_coop,
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ray_state,
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sw, sh,
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use_queues_flag,
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parallel_samples,
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ray_index);
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}
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