/*
 * Copyright (c) Advanced Micro Devices, Inc., or its affiliates.
 *
 * SPDX-License-Identifier: MIT
 */

#pragma clang diagnostic ignored "-Wunused-parameter"
#include <hip_test_common.hh>
#include <hip_array_common.hh>
#include <hip_test_checkers.hh>
#include <hip_texture_helper.hh>
// #define DEBUG_DATA

template <typename TestType>
__global__ void simpleKernelLayered2DArray(hipTextureObject_t tex, TestType* outputData,
                                           unsigned int width, unsigned int height,
                                           unsigned int layer) {
#if !__HIP_NO_IMAGE_SUPPORT
  unsigned int x = blockIdx.x * blockDim.x + threadIdx.x;
  unsigned int y = blockIdx.y * blockDim.y + threadIdx.y;
  outputData[layer * width * height + y * width + x] = tex2DLayered<TestType>(tex, x, y, layer);
#endif
}

/**
 * Test Description
 * ------------------------
 * - The suite will test host buffer copied to/from layered 2D array in following steps,
       allocating a host buffer,
       creating layered array,
       copying host buffer to the layered array in two ways,
         copying whole host buffer to the layered array,
         copying host buffer layer by layer to the layered array and then
         copying & verifying layer data,
       creating a texture object on the layered array,
       getting the data from the texture object in kernel,
       verifing the data in host
 * Test source
 * ------------------------
 * - catch\unit\texture\hipSimpleTexture2DLayered.cc
 * Test requirements
 * ------------------------
 *  - Host specific (WINDOWS and LINUX)
 *  - Layered 2D array supported on device
 *  - Textures supported on device
 *  - HIP_VERSION >= 6.0
 */
HIP_TEMPLATE_TEST_CASE(Unit_Layered2DTexture_Check_HostBufferToFromLayered2DArray, char,
                   unsigned char, short, ushort, int, uint, float, char1, uchar1, short1, ushort1,
                   int1, uint1, float1, char2, uchar2, short2, ushort2, int2, uint2, float2, char4,
                   uchar4, short4, ushort4, int4, uint4, float4) {
  CHECK_IMAGE_SUPPORT

  constexpr int SIZE = 512;
  constexpr int num_layers = 5;
  constexpr unsigned int width = SIZE;
  constexpr unsigned int height = SIZE;
  constexpr unsigned int size = width * height * num_layers * sizeof(TestType);
  TestType* hData = reinterpret_cast<TestType*>(malloc(size));
  REQUIRE(hData != nullptr);
  memset(hData, 0, size);

  for (unsigned int layer = 0; layer < num_layers; layer++) {
    for (unsigned int i = 0; i < width * height; i++) {
      initVal(hData[layer * width * height + i]);
    }
  }
  hipChannelFormatDesc channelDesc;
  // Allocate array and copy image data
  channelDesc = hipCreateChannelDesc<TestType>();
  hipArray_t arr;
  HIP_CHECK(hipMalloc3DArray(&arr, &channelDesc, make_hipExtent(width, height, num_layers),
                             hipArrayLayered));
  hipMemcpy3DParms myparms{};
  SECTION("hipMemcpy3D whole layers") {
    myparms.srcPos = make_hipPos(0, 0, 0);
    myparms.dstPos = make_hipPos(0, 0, 0);
    myparms.srcPtr = make_hipPitchedPtr(hData, width * sizeof(TestType), width, height);
    myparms.dstArray = arr;
    myparms.extent = make_hipExtent(width, height, num_layers);
    myparms.kind = hipMemcpyHostToDevice;
    HIP_CHECK(hipMemcpy3D(&myparms));
  }

  SECTION("hipMemcpy3D layer by layer") {
    constexpr unsigned int layerSize = width * height * sizeof(TestType);
    TestType* hLayerData = reinterpret_cast<TestType*>(malloc(layerSize));
    REQUIRE(hLayerData != nullptr);
    for (unsigned int layer = 0; layer < num_layers; layer++) {
      // Copy buffer layer to image layer
      memset(hLayerData, 0, layerSize);
      memset(&myparms, 0, sizeof(myparms));
      // myparms.srcPos = make_hipPos(layerSize * layer, 0, 0);
      myparms.srcPos = make_hipPos(0, 0, layer);
      myparms.dstPos = make_hipPos(0, 0, layer);
      myparms.srcPtr = make_hipPitchedPtr(hData, width * sizeof(TestType), width, height);
      myparms.dstArray = arr;
      myparms.extent = make_hipExtent(width, height, 1);
      myparms.kind = hipMemcpyHostToDevice;
      HIP_CHECK(hipMemcpy3D(&myparms));

      // Copy image layer to buffer layer
      memset(&myparms, 0, sizeof(myparms));
      myparms.srcPos = make_hipPos(0, 0, layer);
      myparms.dstPos = make_hipPos(0, 0, 0);
      myparms.srcArray = arr;
      myparms.dstPtr = make_hipPitchedPtr(hLayerData, width * sizeof(TestType), width, height);
      myparms.extent = make_hipExtent(width, height, 1);
      myparms.kind = hipMemcpyDeviceToHost;
      HIP_CHECK(hipMemcpy3D(&myparms));

      // Compare layer
#ifdef DEBUG_DATA
      for (unsigned int i = 0; i < width * height; i++) {
        fprintf(stderr, "%4u: %u: %s -- %s\n", layer, i,
                getString(hData[layer * width * height + i]), getString(hLayerData[i]));
      }
#endif
      REQUIRE(HipTest::checkArray(hData + layer * width * height, hLayerData, width, height, 1));
    }
    free(hLayerData);
  }

  hipTextureObject_t tex;
  hipResourceDesc texRes;
  memset(&texRes, 0, sizeof(hipResourceDesc));
  texRes.resType = hipResourceTypeArray;
  texRes.res.array.array = arr;

  hipTextureDesc texDescr;
  memset(&texDescr, 0, sizeof(hipTextureDesc));
  texDescr.normalizedCoords = 0;
  texDescr.filterMode = hipFilterModePoint;
  texDescr.addressMode[0] = hipAddressModeClamp;
  texDescr.addressMode[1] = hipAddressModeClamp;
  texDescr.addressMode[2] = hipAddressModeClamp;
  texDescr.readMode = hipReadModeElementType;
  HIP_CHECK(hipCreateTextureObject(&tex, &texRes, &texDescr, NULL));

  // Allocate device memory for result
  TestType* dData = nullptr;
  HIP_CHECK(hipMalloc(&dData, size));

  dim3 dimBlock(32, 32);
  dim3 dimGrid((width + dimBlock.x - 1) / dimBlock.x, (height + dimBlock.y - 1) / dimBlock.y);
  for (unsigned int layer = 0; layer < num_layers; layer++) {
    hipLaunchKernelGGL(simpleKernelLayered2DArray<TestType>, dimGrid, dimBlock, 0, 0, tex, dData,
                       width, height, layer);
    HIP_CHECK(hipGetLastError());
  }
  HIP_CHECK(hipDeviceSynchronize());

  // Allocate mem for the result on host side
  TestType* hOutputData = reinterpret_cast<TestType*>(malloc(size));
  REQUIRE(hOutputData != nullptr);
  memset(hOutputData, 0, size);

  // Copy result from device to host
  HIP_CHECK(hipMemcpy(hOutputData, dData, size, hipMemcpyDeviceToHost));
  REQUIRE(HipTest::checkArray(hData, hOutputData, width, height, num_layers) == true);

  HIP_CHECK(hipFree(dData));
  HIP_CHECK(hipFreeArray(arr));
  free(hData);
  free(hOutputData);
  HIP_CHECK(hipDestroyTextureObject(tex));
}

/**
 * Test Description
 * ------------------------
 * - The suite will test device buffer copied to/from layered 2D array in following steps,
       allocating host buffer,
       allocating device buffer,
       copying host buffer to device buffer,
       creating layered array,
       copying device buffer to the layered array in two ways,
         copying whole device buffer to the layered array,
         copying device buffer layer by layer to the layered array and then
         copying & verifying layer data,
       creating a texture object on the layered array,
       getting the data from the texture object in kernel,
       verifing the data in host
 * Test source
 * ------------------------
 * - catch\unit\texture\hipSimpleTexture2DLayered.cc
 * Test requirements
 * ------------------------
 *  - Host specific (WINDOWS and LINUX)
 *  - Layered 2D array supported on device
 *  - Textures supported on device
 *  - HIP_VERSION >= 6.0
 */
HIP_TEMPLATE_TEST_CASE(Unit_Layered2DTexture_Check_DeviceBufferToFromLayered2DArray, char,
                   unsigned char, short, ushort, int, uint, float, char1, uchar1, short1, ushort1,
                   int1, uint1, float1, char2, uchar2, short2, ushort2, int2, uint2, float2, char4,
                   uchar4, short4, ushort4, int4, uint4, float4) {
  CHECK_IMAGE_SUPPORT

  constexpr int SIZE = 512;
  constexpr int num_layers = 5;
  constexpr unsigned int width = SIZE;
  constexpr unsigned int height = SIZE;
  constexpr unsigned int size = width * height * num_layers * sizeof(TestType);
  TestType* hData = reinterpret_cast<TestType*>(malloc(size));
  REQUIRE(hData != nullptr);
  memset(hData, 0, size);

  for (unsigned int layer = 0; layer < num_layers; layer++) {
    for (unsigned int i = 0; i < width * height; i++) {
      initVal(hData[layer * width * height + i]);
    }
  }

  TestType* dData = nullptr;
  HIP_CHECK(hipMalloc(&dData, size));

  HIP_CHECK(hipMemcpy(dData, hData, size, hipMemcpyHostToDevice));

  hipChannelFormatDesc channelDesc;
  // Allocate array and copy image data
  channelDesc = hipCreateChannelDesc<TestType>();
  hipArray_t arr;
  HIP_CHECK(hipMalloc3DArray(&arr, &channelDesc, make_hipExtent(width, height, num_layers),
                             hipArrayLayered));
  hipMemcpy3DParms myparms{};
  SECTION("hipMemcpy3D whole layers") {
    myparms.srcPos = make_hipPos(0, 0, 0);
    myparms.dstPos = make_hipPos(0, 0, 0);
    myparms.srcPtr = make_hipPitchedPtr(dData, width * sizeof(TestType), width, height);
    myparms.dstArray = arr;
    myparms.extent = make_hipExtent(width, height, num_layers);
    myparms.kind = hipMemcpyDeviceToDevice;
    HIP_CHECK(hipMemcpy3D(&myparms));
  }

  SECTION("hipMemcpy3D layer by layer") {
    constexpr unsigned int layerSize = width * height * sizeof(TestType);
    TestType* hLayerData = reinterpret_cast<TestType*>(malloc(layerSize));
    REQUIRE(hLayerData != nullptr);
    TestType* dData1 = nullptr;
    HIP_CHECK(hipMalloc(&dData1, size));
    HIP_CHECK(hipMemset(dData1, 0, size));
    for (unsigned int layer = 0; layer < num_layers; layer++) {
      // Copy buffer layer to image layer
      memset(hLayerData, 0, layerSize);
      memset(&myparms, 0, sizeof(myparms));
      myparms.srcPos = make_hipPos(0, 0, layer);
      myparms.dstPos = make_hipPos(0, 0, layer);
      myparms.srcPtr = make_hipPitchedPtr(dData, width * sizeof(TestType), width, height);
      myparms.kind = hipMemcpyDeviceToDevice;
      myparms.dstArray = arr;
      myparms.extent = make_hipExtent(width, height, 1);
      HIP_CHECK(hipMemcpy3D(&myparms));

      // Copy image layer to buffer layer
      memset(&myparms, 0, sizeof(myparms));
      myparms.srcPos = make_hipPos(0, 0, layer);
      myparms.dstPos = make_hipPos(0, 0, layer);
      myparms.srcArray = arr;
      myparms.dstPtr = make_hipPitchedPtr(dData1, width * sizeof(TestType), width, height);
      myparms.extent = make_hipExtent(width, height, 1);
      myparms.kind = hipMemcpyDeviceToDevice;
      HIP_CHECK(hipMemcpy3D(&myparms));
      HIP_CHECK(
          hipMemcpy(hLayerData, dData1 + layer * width * height, layerSize, hipMemcpyDeviceToHost));
      // Compare layer
#ifdef DEBUG_DATA
      for (unsigned int i = 0; i < width * height; i++) {
        fprintf(stderr, "%4u: %u: %s -- %s\n", layer, i,
                getString(hData[layer * width * height + i]).c_str(),
                getString(hLayerData[i]).c_str());
      }
#endif
      REQUIRE(HipTest::checkArray(hData + layer * width * height, hLayerData, width, height, 1));
    }
    free(hLayerData);
    HIP_CHECK(hipFree(dData1));
  }

  hipTextureObject_t tex;
  hipResourceDesc texRes;
  memset(&texRes, 0, sizeof(hipResourceDesc));
  texRes.resType = hipResourceTypeArray;
  texRes.res.array.array = arr;

  hipTextureDesc texDescr;
  memset(&texDescr, 0, sizeof(hipTextureDesc));
  texDescr.normalizedCoords = 0;
  texDescr.filterMode = hipFilterModePoint;
  texDescr.addressMode[0] = hipAddressModeClamp;
  texDescr.addressMode[1] = hipAddressModeClamp;
  texDescr.addressMode[2] = hipAddressModeClamp;
  texDescr.readMode = hipReadModeElementType;
  HIP_CHECK(hipCreateTextureObject(&tex, &texRes, &texDescr, NULL));
  HIP_CHECK(hipMemset(dData, 0, size));

  dim3 dimBlock(32, 32);
  dim3 dimGrid((width + dimBlock.x - 1) / dimBlock.x, (height + dimBlock.y - 1) / dimBlock.y);
  for (unsigned int layer = 0; layer < num_layers; layer++) {
    hipLaunchKernelGGL(simpleKernelLayered2DArray<TestType>, dimGrid, dimBlock, 0, 0, tex, dData,
                       width, height, layer);
    HIP_CHECK(hipGetLastError());
  }
  HIP_CHECK(hipDeviceSynchronize());

  // Allocate mem for the result on host side
  TestType* hOutputData = reinterpret_cast<TestType*>(malloc(size));
  REQUIRE(hOutputData != nullptr);
  memset(hOutputData, 0, size);

  // Copy result from device to host
  HIP_CHECK(hipMemcpy(hOutputData, dData, size, hipMemcpyDeviceToHost));
  REQUIRE(HipTest::checkArray(hData, hOutputData, width, height, num_layers) == true);

  HIP_CHECK(hipFree(dData));
  HIP_CHECK(hipFreeArray(arr));
  free(hData);
  free(hOutputData);
  HIP_CHECK(hipDestroyTextureObject(tex));
}