1 files changed, 56 insertions, 0 deletions
diff --git a/intern/cycles/device/cuda/kernel.h b/intern/cycles/device/cuda/kernel.h
new file mode 100644
index 00000000000..b489547a350
--- /dev/null
+++ b/intern/cycles/device/cuda/kernel.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright 2011-2021 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.
+ */
+
+#pragma once
+
+#ifdef WITH_CUDA
+
+#  include "device/device_kernel.h"
+
+#  ifdef WITH_CUDA_DYNLOAD
+#    include "cuew.h"
+#  else
+#    include <cuda.h>
+#  endif
+
+CCL_NAMESPACE_BEGIN
+
+class CUDADevice;
+
+/* CUDA kernel and associate occupancy information. */
+class CUDADeviceKernel {
+ public:
+  CUfunction function = nullptr;
+
+  int num_threads_per_block = 0;
+  int min_blocks = 0;
+};
+
+/* Cache of CUDA kernels for each DeviceKernel. */
+class CUDADeviceKernels {
+ public:
+  void load(CUDADevice *device);
+  const CUDADeviceKernel &get(DeviceKernel kernel) const;
+  bool available(DeviceKernel kernel) const;
+
+ protected:
+  CUDADeviceKernel kernels_[DEVICE_KERNEL_NUM];
+  bool loaded = false;
+};
+
+CCL_NAMESPACE_END
+
+#endif /* WITH_CUDA */