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https://github.com/KhronosGroup/OpenCL-CTS.git
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108 lines
3.8 KiB
C++
108 lines
3.8 KiB
C++
//
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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 "common.h"
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const cl_mem_flags flag_set[] = {
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CL_MEM_READ_WRITE,
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CL_MEM_WRITE_ONLY,
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CL_MEM_READ_ONLY,
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CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER,
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CL_MEM_WRITE_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER,
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CL_MEM_READ_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER,
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CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS,
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CL_MEM_WRITE_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS,
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CL_MEM_READ_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS,
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0
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};
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const char* flag_set_names[] = {
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"CL_MEM_READ_WRITE",
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"CL_MEM_WRITE_ONLY",
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"CL_MEM_READ_ONLY",
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"CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER",
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"CL_MEM_WRITE_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER",
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"CL_MEM_READ_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER",
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"CL_MEM_READ_WRITE | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS",
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"CL_MEM_WRITE_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS",
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"CL_MEM_READ_ONLY | CL_MEM_SVM_FINE_GRAIN_BUFFER | CL_MEM_SVM_ATOMICS",
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"0"
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};
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int test_allocate_shared_buffer(cl_device_id deviceID, cl_context context2, cl_command_queue queue, int num_elements)
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{
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clContextWrapper context = NULL;
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clProgramWrapper program = NULL;
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cl_uint num_devices = 0;
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cl_int err = CL_SUCCESS;
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clCommandQueueWrapper queues[MAXQ];
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cl_device_svm_capabilities caps;
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err = clGetDeviceInfo(deviceID, CL_DEVICE_SVM_CAPABILITIES, sizeof(cl_device_svm_capabilities), &caps, NULL);
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test_error(err,"clGetDeviceInfo failed for CL_DEVICE_SVM_CAPABILITIES");
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// under construction...
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err = create_cl_objects(deviceID, NULL, &context, &program, &queues[0], &num_devices, CL_DEVICE_SVM_COARSE_GRAIN_BUFFER);
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if(err) return -1;
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size_t size = 1024;
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// iteration over flag combos
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int num_flags = sizeof(flag_set)/sizeof(cl_mem_flags);
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for(int i = 0; i < num_flags; i++)
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{
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if (((flag_set[i] & CL_MEM_SVM_FINE_GRAIN_BUFFER) != 0 && (caps & CL_DEVICE_SVM_FINE_GRAIN_BUFFER) == 0)
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|| ((flag_set[i] & CL_MEM_SVM_ATOMICS) != 0 && (caps & CL_DEVICE_SVM_ATOMICS) == 0))
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{
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log_info("Skipping clSVMalloc with flags: %s\n", flag_set_names[i]);
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continue;
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}
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log_info("Testing clSVMalloc with flags: %s\n", flag_set_names[i]);
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cl_char *pBufData1 = (cl_char*) clSVMAlloc(context, flag_set[i], size, 0);
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if(pBufData1 == NULL)
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{
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log_error("SVMalloc returned NULL");
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return -1;
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}
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{
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clMemWrapper buf = clCreateBuffer(context, CL_MEM_USE_HOST_PTR, size, pBufData1, &err);
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test_error(err,"clCreateBuffer failed");
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cl_char *pBufData2 = NULL;
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cl_uint flags = CL_MAP_READ | CL_MAP_READ;
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if(flag_set[i] & CL_MEM_HOST_READ_ONLY) flags ^= CL_MAP_WRITE;
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if(flag_set[i] & CL_MEM_HOST_WRITE_ONLY) flags ^= CL_MAP_READ;
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if(!(flag_set[i] & CL_MEM_HOST_NO_ACCESS))
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{
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pBufData2 = (cl_char*) clEnqueueMapBuffer(queues[0], buf, CL_TRUE, flags, 0, size, 0, NULL,NULL, &err);
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test_error(err, "clEnqueueMapBuffer failed");
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if(pBufData2 != pBufData1 || NULL == pBufData1)
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{
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log_error("SVM pointer returned by clEnqueueMapBuffer doesn't match pointer returned by clSVMalloc");
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return -1;
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}
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}
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}
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clSVMFree(context, pBufData1);
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}
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return 0;
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}
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