rocm-systems/hipamd/tests/src/texture/simpleTexture3D.cpp

/*
Copyright (c) 2019-present Advanced Micro Devices, Inc. All rights reserved.

Permission is hereby granted, free of charge, to any person obtaining a copy
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The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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*/

/* HIT_START
 * BUILD: %t %s ../test_common.cpp EXCLUDE_HIP_PLATFORM nvcc vdi
 * TEST: %t
 * HIT_END
 */
#include "test_common.h"

//typedef char T;
const char *sampleName = "simpleTexture3D";

// Texture reference for 3D texture
#if __HIP__
__hip_pinned_shadow__
#endif
texture<float, hipTextureType3D, hipReadModeElementType> texf;

#if __HIP__
__hip_pinned_shadow__
#endif
texture<int, hipTextureType3D, hipReadModeElementType> texi;

#if __HIP__
__hip_pinned_shadow__
#endif
texture<char, hipTextureType3D, hipReadModeElementType> texc;

template <typename T>
__global__ void simpleKernel3DArray(T* outputData, 
                                    int width,
                                    int height,int depth)
{
    for (int i = 0; i < depth; i++) {
       for (int j = 0; j < height; j++) {
           for (int k = 0; k < width; k++) {
               if(std::is_same<T, float>::value)
                   outputData[i*width*height + j*width + k] = tex3D(texf, texf.textureObject, k, j, i);
               else if(std::is_same<T, int>::value)
                   outputData[i*width*height + j*width + k] = tex3D(texi, texi.textureObject, k, j, i);
               else if(std::is_same<T, char>::value)
                   outputData[i*width*height + j*width + k] = tex3D(texc, texc.textureObject, k, j, i);
           }
       }
    }
}

////////////////////////////////////////////////////////////////////////////////
//! Run a simple test for tex3D
////////////////////////////////////////////////////////////////////////////////
template <typename T>
void runTest(int width,int height,int depth,texture<T, hipTextureType3D, hipReadModeElementType> *tex)
{
    unsigned int size = width * height * depth * sizeof(T);
    T* hData = (T*) malloc(size);
    memset(hData, 0, size);

    for (int i = 0; i < depth; i++) {
        for (int j = 0; j < height; j++) {
            for (int k = 0; k < width; k++) {
                hData[i*width*height + j*width +k] = i*width*height + j*width + k;
            }
        }
    }

    // Allocate array and copy image data
    hipChannelFormatDesc channelDesc = hipCreateChannelDesc(sizeof(T)*8, 0, 0, 0, hipChannelFormatKindSigned);
    hipArray *arr;

    HIPCHECK(hipMalloc3DArray(&arr, &channelDesc, make_hipExtent(width, height, depth), hipArrayCubemap));
    hipMemcpy3DParms myparms = {0};
    myparms.srcPos = make_hipPos(0,0,0);
    myparms.dstPos = make_hipPos(0,0,0);
    myparms.srcPtr = make_hipPitchedPtr(hData, width * sizeof(T), width, height);
    myparms.dstArray = arr;
    myparms.extent = make_hipExtent(width, height, depth);
    myparms.kind = hipMemcpyHostToDevice;
    HIPCHECK(hipMemcpy3D(&myparms));

    // set texture parameters
    tex->addressMode[0] = hipAddressModeWrap;
    tex->addressMode[1] = hipAddressModeWrap;
    tex->filterMode = hipFilterModePoint;
    tex->normalized = false;

    // Bind the array to the texture
    HIPCHECK(hipBindTextureToArray(*tex, arr, channelDesc));

    // Allocate device memory for result
    T* dData = NULL;
    hipMalloc((void **) &dData, size);

    hipLaunchKernelGGL(simpleKernel3DArray, dim3(1,1,1), dim3(1,1,1), 0, 0, dData, width, height, depth);
    HIPCHECK(hipDeviceSynchronize());

    // Allocate mem for the result on host side
    T *hOutputData = (T*) malloc(size);
    memset(hOutputData, 0,  size);

    // copy result from device to host
    HIPCHECK(hipMemcpy(hOutputData, dData, size, hipMemcpyDeviceToHost));
    HipTest::checkArray(hData,hOutputData,width,height,depth); 

    hipFree(dData);
    hipFreeArray(arr);
    free(hData);
    free(hOutputData);
}

////////////////////////////////////////////////////////////////////////////////
// Program main
////////////////////////////////////////////////////////////////////////////////
int main(int argc, char **argv)
{
    printf("%s starting...\n", sampleName);
    for(int i=1;i<25;i++)
    {
        runTest<float>(i,i,i,&texf);
        runTest<int>(i+1,i,i,&texi);
        runTest<char>(i,i+1,i,&texc);
    }
    passed();
}