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/*
* 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
# ifdef WITH_CUDA_DYNLOAD
# include "cuew.h"
# else
# include <cuda.h>
# endif
CCL_NAMESPACE_BEGIN
class CUDADevice;
/* Utility to push/pop CUDA context. */
class CUDAContextScope {
public:
CUDAContextScope(CUDADevice *device);
~CUDAContextScope();
private:
CUDADevice *device;
};
/* Utility for checking return values of CUDA function calls. */
# define cuda_device_assert(cuda_device, stmt) \
{ \
CUresult result = stmt; \
if (result != CUDA_SUCCESS) { \
const char *name = cuewErrorString(result); \
cuda_device->set_error( \
string_printf("%s in %s (%s:%d)", name, #stmt, __FILE__, __LINE__)); \
} \
} \
(void)0
# define cuda_assert(stmt) cuda_device_assert(this, stmt)
# ifndef WITH_CUDA_DYNLOAD
/* Transparently implement some functions, so majority of the file does not need
* to worry about difference between dynamically loaded and linked CUDA at all. */
const char *cuewErrorString(CUresult result);
const char *cuewCompilerPath();
int cuewCompilerVersion();
# endif /* WITH_CUDA_DYNLOAD */
CCL_NAMESPACE_END
#endif /* WITH_CUDA */
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