1 files changed, 69 insertions, 0 deletions
diff --git a/intern/cycles/kernel/kernels/opencl/kernel_shader_eval.cl b/intern/cycles/kernel/kernels/opencl/kernel_shader_eval.cl
new file mode 100644
index 00000000000..b9f616e6bdf
--- /dev/null
+++ b/intern/cycles/kernel/kernels/opencl/kernel_shader_eval.cl
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2011-2015 Blender Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "split/kernel_shader_eval.h"
+
+__kernel void kernel_ocl_path_trace_shader_eval(
+        ccl_global char *globals,
+        ccl_constant KernelData *data,
+        ccl_global char *shader_data,          /* Output ShaderData structure to be filled */
+        ccl_global uint *rng_coop,             /* Required for rbsdf calculation */
+        ccl_global Ray *Ray_coop,              /* Required for setting up shader from ray */
+        ccl_global PathState *PathState_coop,  /* Required for all functions in this kernel */
+        Intersection *Intersection_coop,       /* Required for setting up shader from ray */
+        ccl_global char *ray_state,            /* Denotes the state of each ray */
+        ccl_global int *Queue_data,            /* queue memory */
+        ccl_global int *Queue_index,           /* Tracks the number of elements in each queue */
+        int queuesize)                         /* Size (capacity) of each queue */
+{
+	/* Enqeueue RAY_TO_REGENERATE rays into QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS queue. */
+	ccl_local unsigned int local_queue_atomics;
+	if(get_local_id(0) == 0 && get_local_id(1) == 0) {
+		local_queue_atomics = 0;
+	}
+	barrier(CLK_LOCAL_MEM_FENCE);
+
+	int ray_index = get_global_id(1) * get_global_size(0) + get_global_id(0);
+	ray_index = get_ray_index(ray_index,
+	                          QUEUE_ACTIVE_AND_REGENERATED_RAYS,
+	                          Queue_data,
+	                          queuesize,
+	                          0);
+
+	if(ray_index == QUEUE_EMPTY_SLOT) {
+		return;
+	}
+
+	char enqueue_flag = (IS_STATE(ray_state, ray_index, RAY_TO_REGENERATE)) ? 1 : 0;
+	enqueue_ray_index_local(ray_index,
+	                        QUEUE_HITBG_BUFF_UPDATE_TOREGEN_RAYS,
+	                        enqueue_flag,
+	                        queuesize,
+	                        &local_queue_atomics,
+	                        Queue_data,
+	                        Queue_index);
+
+	/* Continue on with shader evaluation. */
+	kernel_shader_eval(globals,
+	                   data,
+	                   shader_data,
+	                   rng_coop,
+	                   Ray_coop,
+	                   PathState_coop,
+	                   Intersection_coop,
+	                   ray_state,
+	                   ray_index);
+}