diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/clpp11.hpp | 32 |
1 files changed, 29 insertions, 3 deletions
diff --git a/src/clpp11.hpp b/src/clpp11.hpp index 8ac0523f..70da2329 100644 --- a/src/clpp11.hpp +++ b/src/clpp11.hpp @@ -447,8 +447,14 @@ class Program { // Source-based constructor with memory management explicit Program(const Context &context, const std::string &source) { - const char *source_ptr = &source[0]; - const auto length = source.length(); + #ifdef AMD_SI_EMPTY_KERNEL_WORKAROUND + const std::string source_null_kernel = source + "\n__kernel void null_kernel() {}\n"; + const char *source_ptr = &source_null_kernel[0]; + const auto length = source_null_kernel.length(); + #else + const char *source_ptr = &source[0]; + const auto length = source.length(); + #endif auto status = CL_SUCCESS; program_ = clCreateProgramWithSource(context(), 1, &source_ptr, &length, &status); CLCudaAPIError::Check(status, "clCreateProgramWithSource"); @@ -764,10 +770,21 @@ class Kernel { kernel_(new cl_kernel, [](cl_kernel* k) { if (*k) { CheckErrorDtor(clReleaseKernel(*k)); } delete k; - }) { + }) + #ifdef AMD_SI_EMPTY_KERNEL_WORKAROUND + , null_kernel_(new cl_kernel, [](cl_kernel* k) { + if (*k) { CheckErrorDtor(clReleaseKernel(*k)); } + delete k; + }) + #endif + { auto status = CL_SUCCESS; *kernel_ = clCreateKernel(program->operator()(), name.c_str(), &status); CLCudaAPIError::Check(status, "clCreateKernel"); + #ifdef AMD_SI_EMPTY_KERNEL_WORKAROUND + *null_kernel_ = clCreateKernel(program->operator()(), "null_kernel", &status); + CLCudaAPIError::Check(status, "clCreateKernel"); + #endif } // Sets a kernel argument at the indicated position @@ -831,12 +848,21 @@ class Kernel { static_cast<cl_uint>(waitForEventsPlain.size()), !waitForEventsPlain.empty() ? waitForEventsPlain.data() : nullptr, event)); + #ifdef AMD_SI_EMPTY_KERNEL_WORKAROUND + const std::vector<size_t> nullRange = {1}; + CheckError(clEnqueueNDRangeKernel(queue(), *null_kernel_, static_cast<cl_uint>(nullRange.size()), + nullptr, nullRange.data(), nullptr, + 0, nullptr, nullptr)); + #endif } // Accessor to the private data-member const cl_kernel& operator()() const { return *kernel_; } private: std::shared_ptr<cl_kernel> kernel_; + #ifdef AMD_SI_EMPTY_KERNEL_WORKAROUND + std::shared_ptr<cl_kernel> null_kernel_; + #endif // Internal implementation for the recursive SetArguments function. template <typename T> |