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

// Test the Grid_Launch syntax.

#include <hip_test_kernels.hh>
#include <hip_test_checkers.hh>
#include <hip_test_common.hh>

#include "hip/hip_ext.h"

static unsigned threadsPerBlock = 256;
static unsigned blocksPerCU = 6;

struct _t {
  double _a, _b, _c, _d, _e, _f, _g, _h, _i, _j;
};

typedef struct _t _T;

__global__ void sKernel(_T s, double* a) {
  *a = s._a + s._b + s._c + s._d + s._e + s._f + s._g + s._h + s._i + s._j;
}

__global__ void mKernel(char f, int16_t a, int b, double c, int16_t d, int e, double* res) {
  *res = a + b + c + d + e + f;
}

void testMixData() {
  double m = 0;
  double* d_m;
  HIP_CHECK(hipMalloc(&d_m, sizeof(double)));
  int a = 1, e = 10;
  int16_t b = 2, d = 4;
  double c = 3.0;
  char ff = 10;
  hipExtLaunchKernelGGL(mKernel, 1, 1, 0, 0, nullptr, nullptr, 0, ff, b, a, c, d, e, d_m);
  HIP_CHECK(hipMemcpy(&m, d_m, sizeof(double), hipMemcpyDeviceToHost));
  REQUIRE(m == 30.0);
  HIP_CHECK(hipFree(d_m));
}

void testStruct() {
  double m = 0;
  double* d_m;
  HIP_CHECK(hipMalloc(&d_m, sizeof(double)));
  _T s{1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
  hipExtLaunchKernelGGL(sKernel, 1, 1, 0, 0, nullptr, nullptr, 0, s, d_m);
  HIP_CHECK(hipMemcpy(&m, d_m, sizeof(double), hipMemcpyDeviceToHost));
  REQUIRE(m == 55.0);
  HIP_CHECK(hipFree(d_m));
}

void test(size_t N) {
  size_t Nbytes = N * sizeof(int);
  int *A_d, *B_d, *C_d;
  int *A_h, *B_h, *C_h;

  HipTest::initArrays(&A_d, &B_d, &C_d, &A_h, &B_h, &C_h, N);

  unsigned blocks = HipTest::setNumBlocks(blocksPerCU, threadsPerBlock, N);

  HIP_CHECK(hipMemcpy(A_d, A_h, Nbytes, hipMemcpyHostToDevice));
  HIP_CHECK(hipMemcpy(B_d, B_h, Nbytes, hipMemcpyHostToDevice));

  hipExtLaunchKernelGGL(HipTest::vectorADD, dim3(blocks), dim3(threadsPerBlock), 0, 0, nullptr,
                        nullptr, 0, static_cast<const int*>(A_d), static_cast<const int*>(B_d), C_d,
                        N);

  HIP_CHECK(hipMemcpy(C_h, C_d, Nbytes, hipMemcpyDeviceToHost));
  HIP_CHECK(hipDeviceSynchronize());
  HipTest::checkVectorADD(A_h, B_h, C_h, N);
  HipTest::freeArrays(A_d, B_d, C_d, A_h, B_h, C_h, false);
}

/**
* @addtogroup hipExtLaunchKernelGGL hipExtLaunchKernelGGL
* @{
* @ingroup KernelTest
* `void hipExtLaunchKernelGGL(F kernel, const dim3& numBlocks, const dim3& dimBlocks,
                              std::uint32_t sharedMemBytes, hipStream_t stream,
                              hipEvent_t startEvent, hipEvent_t stopEvent, std::uint32_t flags,
                              Args... args)` -
* Launches kernel with dimention parameters and shared memory on stream with templated kernel and
arguments
*/

/**
 * Test Description
 * ------------------------
 *    - Test case to verify sample array with hipExtLaunchKernelGGL()
 * and verify the results.
 *    - Test case to verify struct data with hipExtLaunchKernelGGL()
 * and verify the results.
 *    - Test case to verify mix datatypes with hipExtLaunchKernelGGL()
 * and verify the results.

 * Test source
 * ------------------------
 *    - catch/unit/kernel/hipExtLaunchKernelGGL.cc
 * Test requirements
 * ------------------------
 *    - HIP_VERSION >= 5.5
 */

HIP_TEST_CASE(Unit_hipExtLaunchKernelGGL) {
  SECTION("test run") {
    size_t N = isQuickLevel() ? 100 * 1024 : 4 * 1024 * 1024;
    test(N);
  }
  SECTION("testStruct run") { testStruct(); }
  SECTION("testMixData run") { testMixData(); }
}

/**
 * End doxygen group KernelTest.
 * @}
 */