| // |
| // 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 <stdlib.h> |
| #include <string.h> |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| |
| |
| #include "procs.h" |
| |
| static const char *pointer_cast_kernel_code = |
| "__kernel void test_pointer_cast(__global unsigned char *src, __global unsigned int *dst)\n" |
| "{\n" |
| " int tid = get_global_id(0);\n" |
| " __global unsigned int *p = (__global unsigned int *)src;\n" |
| "\n" |
| " dst[tid] = p[tid];\n" |
| "\n" |
| "}\n"; |
| |
| |
| int |
| verify_pointer_cast(unsigned char *inptr, unsigned int *outptr, int n) |
| { |
| unsigned int *p = (unsigned int *)inptr; |
| int i; |
| cl_uint r; |
| |
| for (i=0; i<n; i++) |
| { |
| r = p[i]; |
| |
| if (r != outptr[i]) |
| { |
| log_error("POINTER_CAST test failed\n"); |
| return -1; |
| } |
| } |
| |
| log_info("POINTER_CAST test passed\n"); |
| return 0; |
| } |
| |
| int test_pointer_cast(cl_device_id device, cl_context context, cl_command_queue queue, int num_elements) |
| { |
| cl_mem streams[2]; |
| unsigned char *input_ptr; |
| unsigned int *output_ptr; |
| cl_program program; |
| cl_kernel kernel; |
| size_t threads[1]; |
| int err, i; |
| MTdata d = init_genrand( gRandomSeed ); |
| |
| size_t length = sizeof(int) * num_elements; |
| input_ptr = (unsigned char*)malloc(length); |
| output_ptr = (unsigned int*)malloc(length); |
| |
| streams[0] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, NULL); |
| if (!streams[0]) |
| { |
| log_error("clCreateBuffer failed\n"); |
| return -1; |
| } |
| streams[1] = clCreateBuffer(context, CL_MEM_READ_WRITE, length, NULL, NULL); |
| if (!streams[1]) |
| { |
| log_error("clCreateBuffer failed\n"); |
| return -1; |
| } |
| |
| for (i=0; i<num_elements*4; i++) |
| input_ptr[i] = (unsigned char)genrand_int32(d); |
| |
| free_mtdata(d); |
| d = NULL; |
| |
| err = clEnqueueWriteBuffer(queue, streams[0], CL_TRUE, 0, length, input_ptr, 0, NULL, NULL); |
| if (err != CL_SUCCESS) |
| { |
| log_error("clEnqueueWriteBuffer failed\n"); |
| return -1; |
| } |
| |
| err = create_single_kernel_helper(context, &program, &kernel, 1, &pointer_cast_kernel_code, "test_pointer_cast" ); |
| if (err) |
| return -1; |
| |
| err = clSetKernelArg(kernel, 0, sizeof streams[0], &streams[0]); |
| err |= clSetKernelArg(kernel, 1, sizeof streams[1], &streams[1]); |
| if (err != CL_SUCCESS) |
| { |
| log_error("clSetKernelArgs failed\n"); |
| return -1; |
| } |
| |
| threads[0] = (unsigned int)num_elements; |
| err = clEnqueueNDRangeKernel(queue, kernel, 1, NULL, threads, NULL, 0, NULL, NULL); |
| if (err != CL_SUCCESS) |
| { |
| log_error("clEnqueueNDRangeKernel failed\n"); |
| return -1; |
| } |
| |
| err = clEnqueueReadBuffer(queue, streams[1], CL_TRUE, 0, length, output_ptr, 0, NULL, NULL); |
| if (err != CL_SUCCESS) |
| { |
| log_error("clReadArray failed\n"); |
| return -1; |
| } |
| |
| err = verify_pointer_cast(input_ptr, output_ptr, num_elements); |
| |
| // cleanup |
| clReleaseMemObject(streams[0]); |
| clReleaseMemObject(streams[1]); |
| clReleaseKernel(kernel); |
| clReleaseProgram(program); |
| free(input_ptr); |
| free(output_ptr); |
| |
| return err; |
| } |
| |
| |