diff options
Diffstat (limited to 'src/clpp11.hpp')
| -rw-r--r-- | src/clpp11.hpp | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/clpp11.hpp b/src/clpp11.hpp index 6ebf1322..2119f26b 100644 --- a/src/clpp11.hpp +++ b/src/clpp11.hpp @@ -614,10 +614,11 @@ class Buffer { } // Regular constructor with memory management. If this class does not own the buffer object, then - // the memory will not be freed automatically afterwards. + // the memory will not be freed automatically afterwards. If the size is set to 0, this will + // become a stub containing a nullptr explicit Buffer(const Context &context, const BufferAccess access, const size_t size): - buffer_(new cl_mem, [access](cl_mem* m) { - if (access != BufferAccess::kNotOwned) { CheckError(clReleaseMemObject(*m)); } + buffer_(new cl_mem, [access, size](cl_mem* m) { + if (access != BufferAccess::kNotOwned && size > 0) { CheckError(clReleaseMemObject(*m)); } delete m; }), access_(access) { @@ -625,7 +626,7 @@ class Buffer { if (access_ == BufferAccess::kReadOnly) { flags = CL_MEM_READ_ONLY; } if (access_ == BufferAccess::kWriteOnly) { flags = CL_MEM_WRITE_ONLY; } auto status = CL_SUCCESS; - *buffer_ = clCreateBuffer(context(), flags, size*sizeof(T), nullptr, &status); + *buffer_ = (size > 0) ? clCreateBuffer(context(), flags, size*sizeof(T), nullptr, &status) : nullptr; CLCudaAPIError::Check(status, "clCreateBuffer"); } |