rocm-systems/tests/src/texture/hipNormalizedFloatValueTex.cpp

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/* HIT_START
 * BUILD: %t %s ../test_common.cpp
 * // Test hipFilterModePoint
 * TEST: %t --textureFilterMode 0
 * // Test hipFilterModeLinear
 * TEST: %t --textureFilterMode 1
 * HIT_END
 */

#include "test_common.h"
#include <math.h>
#define SIZE 10
#define EPSILON     0.00001
#define THRESH_HOLD 0.01  // For filter mode

static float getNormalizedValue(const float value,
                                const hipChannelFormatDesc& desc) {
    if ((desc.x == 8) && (desc.f == hipChannelFormatKindSigned))
        return (value / SCHAR_MAX);
    if ((desc.x == 8) && (desc.f == hipChannelFormatKindUnsigned))
        return (value / UCHAR_MAX);
    if ((desc.x == 16) && (desc.f == hipChannelFormatKindSigned))
        return (value / SHRT_MAX);
    if ((desc.x == 16) && (desc.f == hipChannelFormatKindUnsigned))
        return (value / USHRT_MAX);
    return value;
}

texture<char, hipTextureType1D, hipReadModeNormalizedFloat> texc;

texture<unsigned char, hipTextureType1D, hipReadModeNormalizedFloat> texuc;

texture<short, hipTextureType1D, hipReadModeNormalizedFloat> texs;

texture<unsigned short, hipTextureType1D, hipReadModeNormalizedFloat> texus;


template<typename T>
__global__ void normalizedValTextureTest(unsigned int numElements, float* pDst)
{
#if !defined(__HIP_NO_IMAGE_SUPPORT) || !__HIP_NO_IMAGE_SUPPORT
    unsigned int elementID = hipThreadIdx_x;
    if(elementID >= numElements)
        return;
    float coord =(float) elementID/numElements;
    if(std::is_same<T, char>::value)
        pDst[elementID] = tex1D(texc, coord);
    else if(std::is_same<T, unsigned char>::value)
        pDst[elementID] = tex1D(texuc, coord);
    else if(std::is_same<T, short>::value)
        pDst[elementID] = tex1D(texs, coord);
    else if(std::is_same<T, unsigned short>::value)
        pDst[elementID] = tex1D(texus, coord);
#endif
}

bool textureVerifyFilterModePoint(float *hOutputData, float *expected, size_t size) {
    bool testResult = true;
    for (int i = 0; i < size; i++) {
      if ((hOutputData[i] == expected[i])
          || (i >= 1 && hOutputData[i] == expected[i - 1]) ||  // round down
          (i < (size - 1) && hOutputData[i] == expected[i + 1]))  // round up
          {
        continue;
      }
      printf("mismatch at output[%d]:%f expected[%d]:%f", i, hOutputData[i], i,
             expected[i]);
      if (i >= 1) {
        printf(", expected[%d]:%f", i - 1, expected[i - 1]);
      }
      if (i < (size - 1)) {
        printf(", expected[%d]:%f", i + 1, expected[i + 1]);
      }
      printf("\n");
      testResult = false;
      break;
    }
    return testResult;
}

bool textureVerifyFilterModeLinear(float *hOutputData, float *expected,  size_t size) {
    bool testResult = true;
    for (int i = 0; i < size; i++) {
      float mean = (fabs(expected[i]) + fabs(hOutputData[i])) / 2;
      float ratio = fabs(expected[i] - hOutputData[i]) / (mean + EPSILON);
      if (ratio > THRESH_HOLD) {
        printf("mismatch at output[%d]:%f expected[%d]:%f, ratio:%f\n", i,
               hOutputData[i], i, expected[i], ratio);
        testResult = false;
        break;
      }
    }
    return testResult;
}

template<hipTextureFilterMode fMode = hipFilterModePoint>
bool textureVerify(float *hOutputData, float *expected, size_t size) {
    bool testResult = true;
    if (fMode == hipFilterModePoint) {
      testResult = textureVerifyFilterModePoint(hOutputData, expected, size);
    } else if (fMode == hipFilterModeLinear) {
      testResult = textureVerifyFilterModeLinear(hOutputData, expected, size);
    }
    return testResult;
}

template<typename T, hipTextureFilterMode fMode = hipFilterModePoint>
bool textureTest(texture<T, hipTextureType1D, hipReadModeNormalizedFloat> *tex)
{
    hipChannelFormatDesc desc = hipCreateChannelDesc<T>();
    hipArray_t dData;
    HIPCHECK(hipMallocArray(&dData, &desc, SIZE, 1, hipArrayDefault));

    T hData[] = {65, 66, 67, 68, 69, 70, 71, 72, 73, 74};
    HIPCHECK(hipMemcpy2DToArray(dData, 0, 0, hData, sizeof(T)*SIZE, sizeof(T)*SIZE, 1, hipMemcpyHostToDevice));

    tex->normalized = true;
    tex->channelDesc = desc;
    tex->filterMode = fMode;
    HIPCHECK(hipBindTextureToArray(tex, dData, &desc));

    float *dOutputData = NULL;
    HIPCHECK(hipMalloc((void **) &dOutputData, sizeof(float)*SIZE));

    hipLaunchKernelGGL(normalizedValTextureTest<T>, dim3(1,1,1), dim3(SIZE,1,1), 0, 0, SIZE, dOutputData);

    float *hOutputData = new float[SIZE];
    HIPCHECK(hipMemcpy(hOutputData, dOutputData, (sizeof(float)*SIZE), hipMemcpyDeviceToHost));

    float expected[SIZE];
    for(int i = 0; i < SIZE; i++) {
      expected[i] = getNormalizedValue(float(hData[i]), desc);
    }
    bool testResult = textureVerify<fMode>(hOutputData, expected, SIZE);

    HIPCHECK(hipFreeArray(dData));
    HIPCHECK(hipFree(dOutputData));
    delete [] hOutputData;
    return testResult;
}

template<hipTextureFilterMode fMode = hipFilterModePoint>
bool runTest() {
    bool status = true;
    status &= textureTest<char, fMode>(&texc);
    status &= textureTest<unsigned char, fMode>(&texuc);
    status &= textureTest<short, fMode>(&texs);
    status &= textureTest<unsigned short, fMode>(&texus);
    return status;
}

int main(int argc, char** argv)
{
    int imageSupport = 0;
    hipDeviceGetAttribute(&imageSupport, hipDeviceAttributeImageSupport,
                              p_gpuDevice);
    if (!imageSupport) {
      printf("Texture is not support on the device\n");
      passed();
    }
    HipTest::parseStandardArguments(argc, argv, true);
    int device = 0;
    bool status = false;
    HIPCHECK(hipSetDevice(device));
    hipDeviceProp_t props;
    HIPCHECK(hipGetDeviceProperties(&props, device));
    std::cout << "Device :: " << props.name << std::endl;
    #ifdef __HIP_PLATFORM_AMD__
    std::cout << "Arch - AMD GPU :: " << props.gcnArch << std::endl;
    #endif

    if(textureFilterMode == 0) {
      printf("Test hipFilterModePoint\n");
      status = runTest<hipFilterModePoint>();
    } else if(textureFilterMode == 1) {
      printf("Test hipFilterModeLinear\n");
      printf("THRESH_HOLD:%f, EPSILON:%f\n", THRESH_HOLD, EPSILON);
      status = runTest<hipFilterModeLinear>();
    } else {
      printf("Wrong argument!\n");
      printf("hipNormalizedFloatValueTex --textureFilterMode 0 for hipFilterModePoint\n");
      printf("hipNormalizedFloatValueTex --textureFilterMode 1 for hipFilterModeLinear\n");
    }

    if(status){
        passed();
    }
    else{
        failed("checks failed!");
    }
}