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//
// Copyright (c) 2017 The Khronos Group Inc.
//
// 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.
//
#include "harness/compat.h"
#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "procs.h"
const char *copy_kernel_code =
"__kernel void test_copy(__global unsigned int *src, __global unsigned int *dst)\n"
"{\n"
" int tid = get_global_id(0);\n"
"\n"
" dst[tid] = src[tid];\n"
"}\n";
int
test_arraycopy(cl_device_id device, cl_context context, cl_command_queue queue, int n_elems)
{
cl_uint *input_ptr, *output_ptr;
cl_mem streams[4], results;
cl_program program;
cl_kernel kernel;
unsigned num_elements = 128 * 1024;
cl_uint num_copies = 1;
size_t delta_offset;
unsigned i;
cl_int err;
MTdata d;
int error_count = 0;
input_ptr = (cl_uint*)malloc(sizeof(cl_uint) * num_elements);
output_ptr = (cl_uint*)malloc(sizeof(cl_uint) * num_elements);
// results
results = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_uint) * num_elements, NULL, &err);
test_error(err, "clCreateBuffer failed");
/*****************************************************************************************************************************************/
#pragma mark client backing
log_info("Testing CL_MEM_USE_HOST_PTR buffer with clEnqueueCopyBuffer\n");
// randomize data
d = init_genrand( gRandomSeed );
for (i=0; i<num_elements; i++)
input_ptr[i] = (cl_uint)(genrand_int32(d) & 0x7FFFFFFF);
// client backing
streams[0] =
clCreateBuffer(context, CL_MEM_USE_HOST_PTR,
sizeof(cl_uint) * num_elements, input_ptr, &err);
test_error(err, "clCreateBuffer failed");
delta_offset = num_elements * sizeof(cl_uint) / num_copies;
for (i=0; i<num_copies; i++)
{
size_t offset = i * delta_offset;
err = clEnqueueCopyBuffer(queue, streams[0], results, offset, offset, delta_offset, 0, NULL, NULL);
test_error(err, "clEnqueueCopyBuffer failed");
}
// Try upload from client backing
err = clEnqueueReadBuffer( queue, results, CL_TRUE, 0, num_elements*sizeof(cl_uint), output_ptr, 0, NULL, NULL );
test_error(err, "clEnqueueReadBuffer failed");
for (i=0; i<num_elements; i++)
{
if (input_ptr[i] != output_ptr[i])
{
err = -1;
error_count++;
}
}
if (err)
log_error("\tCL_MEM_USE_HOST_PTR buffer with clEnqueueCopyBuffer FAILED\n");
else
log_info("\tCL_MEM_USE_HOST_PTR buffer with clEnqueueCopyBuffer passed\n");
#pragma mark framework backing (no client data)
log_info("Testing with clEnqueueWriteBuffer and clEnqueueCopyBuffer\n");
// randomize data
for (i=0; i<num_elements; i++)
input_ptr[i] = (cl_uint)(genrand_int32(d) & 0x7FFFFFFF);
// no backing
streams[2] = clCreateBuffer(context, CL_MEM_READ_WRITE,
sizeof(cl_uint) * num_elements, NULL, &err);
test_error(err, "clCreateBuffer failed");
for (i=0; i<num_copies; i++)
{
size_t offset = i * delta_offset;
// Copy the array up from host ptr
err = clEnqueueWriteBuffer(queue, streams[2], CL_TRUE, 0, sizeof(cl_uint)*num_elements, input_ptr, 0, NULL, NULL);
test_error(err, "clEnqueueWriteBuffer failed");
err = clEnqueueCopyBuffer(queue, streams[2], results, offset, offset, delta_offset, 0, NULL, NULL);
test_error(err, "clEnqueueCopyBuffer failed");
}
err = clEnqueueReadBuffer( queue, results, true, 0, num_elements*sizeof(cl_uint), output_ptr, 0, NULL, NULL );
test_error(err, "clEnqueueReadBuffer failed");
for (i=0; i<num_elements; i++)
{
if (input_ptr[i] != output_ptr[i])
{
err = -1;
error_count++;
break;
}
}
if (err)
log_error("\tclEnqueueWriteBuffer and clEnqueueCopyBuffer FAILED\n");
else
log_info("\tclEnqueueWriteBuffer and clEnqueueCopyBuffer passed\n");
/*****************************************************************************************************************************************/
#pragma mark kernel copy test
log_info("Testing CL_MEM_USE_HOST_PTR buffer with kernel copy\n");
// randomize data
for (i=0; i<num_elements; i++)
input_ptr[i] = (cl_uint)(genrand_int32(d) & 0x7FFFFFFF);
free_mtdata(d); d= NULL;
// client backing
streams[3] =
clCreateBuffer(context, CL_MEM_USE_HOST_PTR,
sizeof(cl_uint) * num_elements, input_ptr, &err);
test_error(err, "clCreateBuffer failed");
err = create_single_kernel_helper(context, &program, &kernel, 1,
©_kernel_code, "test_copy");
test_error(err, "create_single_kernel_helper failed");
err = clSetKernelArg(kernel, 0, sizeof streams[3], &streams[3]);
err |= clSetKernelArg(kernel, 1, sizeof results, &results);
test_error(err, "clSetKernelArg failed");
size_t threads[3] = { num_elements, 0, 0 };
err = clEnqueueNDRangeKernel( queue, kernel, 1, NULL, threads, NULL, 0, NULL, NULL );
test_error(err, "clEnqueueNDRangeKernel failed");
err = clEnqueueReadBuffer( queue, results, CL_TRUE, 0, num_elements*sizeof(cl_uint), output_ptr, 0, NULL, NULL );
test_error(err, "clEnqueueReadBuffer failed");
for (i=0; i<num_elements; i++)
{
if (input_ptr[i] != output_ptr[i])
{
err = -1;
error_count++;
break;
}
}
// Keep track of multiple errors.
if (error_count != 0)
err = error_count;
if (err)
log_error("\tCL_MEM_USE_HOST_PTR buffer with kernel copy FAILED\n");
else
log_info("\tCL_MEM_USE_HOST_PTR buffer with kernel copy passed\n");
clReleaseProgram(program);
clReleaseKernel(kernel);
clReleaseMemObject(results);
clReleaseMemObject(streams[0]);
clReleaseMemObject(streams[2]);
clReleaseMemObject(streams[3]);
free(input_ptr);
free(output_ptr);
return err;
}
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