Cycles: Split path initialization into own kernel

This makes it easier to initialize things correctly in the data_init kernel
before they are needed by path tracing.

2 files changed, 5 insertions, 0 deletions

diff --git a/intern/cycles/device/device_split_kernel.cpp b/intern/cycles/device/device_split_kernel.cpp
index c50afe85da5..85da7024a2c 100644
--- a/intern/cycles/device/device_split_kernel.cpp
+++ b/intern/cycles/device/device_split_kernel.cpp
@@ -41,6 +41,7 @@ DeviceSplitKernel::~DeviceSplitKernel()
 	device->mem_free(queue_index);
 	device->mem_free(work_pool_wgs);
 
+	delete kernel_path_init;
 	delete kernel_scene_intersect;
 	delete kernel_lamp_emission;
 	delete kernel_queue_enqueue;
@@ -61,6 +62,7 @@ bool DeviceSplitKernel::load_kernels(const DeviceRequestedFeatures& requested_fe
 			return false; \
 		}
 
+	LOAD_KERNEL(path_init);
 	LOAD_KERNEL(scene_intersect);
 	LOAD_KERNEL(lamp_emission);
 	LOAD_KERNEL(queue_enqueue);
@@ -200,6 +202,8 @@ bool DeviceSplitKernel::path_trace(DeviceTask *task,
 			return false;
 		}
 
+		ENQUEUE_SPLIT_KERNEL(path_init, global_size, local_size);
+
 		bool activeRaysAvailable = true;
 
 		while(activeRaysAvailable) {
diff --git a/intern/cycles/device/device_split_kernel.h b/intern/cycles/device/device_split_kernel.h
index b3106fd5632..1903574f0b5 100644
--- a/intern/cycles/device/device_split_kernel.h
+++ b/intern/cycles/device/device_split_kernel.h
@@ -55,6 +55,7 @@ class DeviceSplitKernel {
 private:
 	Device *device;
 
+	SplitKernelFunction *kernel_path_init;
 	SplitKernelFunction *kernel_scene_intersect;
 	SplitKernelFunction *kernel_lamp_emission;
 	SplitKernelFunction *kernel_queue_enqueue;