lthakur
113 líneas
3.2 KiB
C++
113 líneas
3.2 KiB
C++
/*
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Copyright (c) 2015-2017 Advanced Micro Devices, Inc. All rights reserved.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/*HIT_START
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* BUILD: %t %s ../test_common.cpp EXCLUDE_HIP_PLATFORM nvcc
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* RUN: %t
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* HIT_END
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*/
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#include "hip/hip_runtime.h"
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#include "hip/hip_runtime_api.h"
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#include "test_common.h"
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#include <iostream>
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#include <string.h>
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#define N 512
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using namespace std;
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bool testResult = true;
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__global__ void tex1d_kernel(float *val, hipTextureObject_t obj) {
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int k = blockIdx.x * blockDim.x + threadIdx.x;
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val[k] = tex1Dfetch<float>(obj, k);
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}
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void runTest(void);
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int main(int argc, char **argv) {
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runTest();
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if (testResult) {
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passed();
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} else {
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exit(EXIT_FAILURE);
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}
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}
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void runTest() {
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// Allocating the required buffer on gpu device
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float *tex_buf, *tex_buf_check;
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float val[N], output[N];
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int i;
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for (i = 0; i < N; i++)
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val[i] = (i + 1) * (i + 1);
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hipMalloc(&tex_buf, N * sizeof(float));
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hipMalloc(&tex_buf_check, N * sizeof(float));
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hipMemcpy(tex_buf, val, N * sizeof(float), hipMemcpyHostToDevice);
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hipMemset(tex_buf_check, 0, N * sizeof(float));
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hipResourceDesc res_lin;
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memset(&res_lin, 0, sizeof(res_lin));
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res_lin.resType = hipResourceTypeLinear;
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res_lin.res.linear.devPtr = tex_buf;
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res_lin.res.linear.desc.f = hipChannelFormatKindFloat;
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res_lin.res.linear.desc.x = 32;
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res_lin.res.linear.sizeInBytes = N * sizeof(float);
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hipTextureDesc tex_desc;
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memset(&tex_desc, 0, sizeof(tex_desc));
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tex_desc.readMode = hipReadModeElementType;
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// Creating texture object
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hipTextureObject_t tex_obj = 0;
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hipCreateTextureObject(&tex_obj, &res_lin, &tex_desc, NULL);
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dim3 dimBlock(64, 1, 1);
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dim3 dimGrid(N / dimBlock.x, 1, 1);
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for (i = 0; i < N; i++)
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output[i] = 0;
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hipLaunchKernelGGL(tex1d_kernel, dim3(dimGrid), dim3(dimBlock), 0, 0,
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tex_buf_check, tex_obj);
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hipDeviceSynchronize();
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hipMemcpy(output, tex_buf_check, N * sizeof(float), hipMemcpyDeviceToHost);
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for (i = 0; i < N; i++)
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if (output[i] != val[i]) {
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testResult = false;
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}
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hipDestroyTextureObject(tex_obj);
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hipFree(tex_buf);
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hipFree(tex_buf_check);
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}
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