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147 lines
3.9 KiB
147 lines
3.9 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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const char *int2float_kernel_code =
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"__kernel void test_int2float(__global int *src, __global float *dst)\n"
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"{\n"
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" int tid = get_global_id(0);\n"
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"\n"
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" dst[tid] = (float)src[tid];\n"
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"\n"
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"}\n";
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int
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verify_int2float(cl_int *inptr, cl_float *outptr, int n)
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{
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int i;
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for (i=0; i<n; i++)
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{
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if (outptr[i] != (float)inptr[i])
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{
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log_error("INT2FLOAT test failed\n");
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return -1;
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}
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}
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log_info("INT2FLOAT test passed\n");
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return 0;
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}
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int
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test_int2float(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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cl_int *input_ptr;
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cl_float *output_ptr;
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cl_program program;
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cl_kernel kernel;
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void *values[2];
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size_t threads[1];
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int err;
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int i;
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MTdata d;
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input_ptr = (cl_int*)malloc(sizeof(cl_int) * num_elements);
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output_ptr = (cl_float*)malloc(sizeof(cl_float) * num_elements);
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streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE,
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sizeof(cl_int) * num_elements, 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,
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sizeof(cl_float) * num_elements, 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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d = init_genrand( gRandomSeed );
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for (i=0; i<num_elements; i++)
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input_ptr[i] = (cl_int)get_random_float(-MAKE_HEX_FLOAT( 0x1.0p31f, 0x1, 31), MAKE_HEX_FLOAT( 0x1.0p31f, 0x1, 31), d);
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free_mtdata(d); d = NULL;
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err = clEnqueueWriteBuffer(queue, streams[0], CL_TRUE, 0, sizeof(cl_int)*num_elements, (void *)input_ptr, 0, NULL, NULL);
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if (err != CL_SUCCESS)
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{
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log_error("clWriteArray 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, &int2float_kernel_code, "test_int2float");
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if (err != CL_SUCCESS)
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{
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log_error("create_single_kernel_helper failed\n");
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return -1;
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}
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values[0] = streams[0];
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values[1] = streams[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] = (size_t)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], true, 0, sizeof(cl_float)*num_elements, (void *)output_ptr, 0, NULL, NULL );
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if (err != CL_SUCCESS)
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{
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log_error("clEnqueueReadBuffer failed\n");
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return -1;
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}
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err = verify_int2float(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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