64 lines
1.5 KiB
C++
64 lines
1.5 KiB
C++
/* SPDX-FileCopyrightText: 2011-2022 Blender Foundation
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*
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* SPDX-License-Identifier: Apache-2.0 */
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#pragma once
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#ifdef WITH_CUDA
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# ifdef WITH_CUDA_DYNLOAD
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# include <cuew.h>
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# else
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# include <cuda.h>
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# endif
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CCL_NAMESPACE_BEGIN
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class CUDADevice;
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/* Utility to push/pop CUDA context. */
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class CUDAContextScope {
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public:
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CUDAContextScope(CUDADevice *device);
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~CUDAContextScope();
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private:
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CUDADevice *device;
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};
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/* Utility for checking return values of CUDA function calls. */
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# define cuda_device_assert(cuda_device, stmt) \
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{ \
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CUresult result = stmt; \
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if (result != CUDA_SUCCESS) { \
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const char *name = cuewErrorString(result); \
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cuda_device->set_error( \
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string_printf("%s in %s (%s:%d)", name, #stmt, __FILE__, __LINE__)); \
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} \
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} \
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(void)0
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# define cuda_assert(stmt) cuda_device_assert(this, stmt)
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# ifndef WITH_CUDA_DYNLOAD
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/* Transparently implement some functions, so majority of the file does not need
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* to worry about difference between dynamically loaded and linked CUDA at all. */
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const char *cuewErrorString(CUresult result);
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const char *cuewCompilerPath();
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int cuewCompilerVersion();
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# endif /* WITH_CUDA_DYNLOAD */
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static inline bool cudaSupportsDevice(const int cudaDevID)
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{
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int major;
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cuDeviceGetAttribute(&major, CU_DEVICE_ATTRIBUTE_COMPUTE_CAPABILITY_MAJOR, cudaDevID);
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if (major >= 5) {
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return true;
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}
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return false;
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}
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CCL_NAMESPACE_END
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#endif /* WITH_CUDA */
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