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struct cl_simple_context {
cl_device_id device_id;
cl_context cl_ctx;
cl_command_queue command_queue;
cl_mem out_buffer;
cl_kernel kernel;
};
unsigned clSimpleCreateContext(cl_context * context, cl_device_id device_id);
unsigned clSimpleCreateCommandQueue(cl_command_queue * command_queue,
cl_context context, cl_device_id device_id);
unsigned clSimpleKernelSetArg(cl_kernel kernel, cl_uint index, size_t size,
const void * value);
unsigned clSimpleCreateBuffer(cl_mem * buffer, cl_context context,
cl_mem_flags flags, size_t size);
unsigned clSimpleEnqueueWriteBuffer(cl_command_queue command_queue,
cl_mem buffer, size_t buffer_size, void * ptr);
unsigned clSimpleEnqueueNDRangeKernel(cl_command_queue command_queue,
cl_kernel kernel, cl_uint work_dim, const size_t * global_work_size,
const size_t * local_work_size);
unsigned clSimpleInitGpuDevice(cl_device_id * device_id);
unsigned clSimpleCreateKernel(cl_context context, cl_device_id device_id,
cl_kernel * kernel, const char * kernel_name);
unsigned clSimpleSimpleInit(struct cl_simple_context * context,
const char * kernel_name);
unsigned clSimpleSetOutputBuffer(struct cl_simple_context * context,
unsigned buffer_size);
unsigned clSimpleReadOutput(struct cl_simple_context * context, void * data,
size_t data_bytes);
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