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142 lines
3.6 KiB
142 lines
3.6 KiB
//
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// Copyright (c) 2017 The Khronos Group Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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#include "harness/compat.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include "procs.h"
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static const char *pointer_cast_kernel_code =
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"__kernel void test_pointer_cast(__global unsigned char *src, __global unsigned int *dst)\n"
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"{\n"
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" int tid = get_global_id(0);\n"
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" __global unsigned int *p = (__global unsigned int *)src;\n"
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"\n"
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" dst[tid] = p[tid];\n"
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"\n"
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"}\n";
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int
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verify_pointer_cast(unsigned char *inptr, unsigned int *outptr, int n)
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{
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unsigned int *p = (unsigned int *)inptr;
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int i;
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cl_uint r;
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for (i=0; i<n; i++)
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{
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r = p[i];
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if (r != outptr[i])
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{
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log_error("POINTER_CAST test failed\n");
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return -1;
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}
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}
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log_info("POINTER_CAST test passed\n");
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return 0;
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}
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int test_pointer_cast(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements)
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{
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cl_mem streams[2];
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unsigned char *input_ptr;
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unsigned int *output_ptr;
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cl_program program;
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cl_kernel kernel;
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size_t threads[1];
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int err, i;
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MTdata d = init_genrand( gRandomSeed );
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size_t length = sizeof(int) * num_elements;
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input_ptr = (unsigned char*)malloc(length);
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output_ptr = (unsigned int*)malloc(length);
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streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, NULL);
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if (!streams[0])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, NULL);
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if (!streams[1])
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{
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log_error("clCreateBuffer failed\n");
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return -1;
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}
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for (i=0; i<num_elements*4; i++)
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input_ptr[i] = (unsigned char)genrand_int32(d);
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free_mtdata(d);
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d = NULL;
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err = clEnqueueWriteBuffer(queue, streams[0], CL_TRUE, 0, length, input_ptr, 0, NULL, NULL);
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if (err != CL_SUCCESS)
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{
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log_error("clEnqueueWriteBuffer failed\n");
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return -1;
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}
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err = create_single_kernel_helper(context, &program, &kernel, 1, &pointer_cast_kernel_code, "test_pointer_cast" );
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if (err)
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return -1;
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err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0]);
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err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1]);
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if (err != CL_SUCCESS)
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{
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log_error("clSetKernelArgs failed\n");
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return -1;
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}
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threads[0] = (unsigned int)num_elements;
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err = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, threads, NULL, 0, NULL, NULL);
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if (err != CL_SUCCESS)
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{
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log_error("clEnqueueNDRangeKernel failed\n");
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return -1;
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}
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err = clEnqueueReadBuffer(queue, streams[1], CL_TRUE, 0, length, output_ptr, 0, NULL, NULL);
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if (err != CL_SUCCESS)
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{
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log_error("clReadArray failed\n");
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return -1;
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}
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err = verify_pointer_cast(input_ptr, output_ptr, num_elements);
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// cleanup
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clReleaseMemObject(streams[0]);
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clReleaseMemObject(streams[1]);
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clReleaseKernel(kernel);
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clReleaseProgram(program);
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free(input_ptr);
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free(output_ptr);
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return err;
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}
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