//
// Copyright (c) 2017 The Khronos Group Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//    http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "utils.h"

#include "harness/errorHelpers.h"
#include "harness/imageHelpers.h"
#include "harness/rounding_mode.h"

#include <math.h>

#include <CL/cl_half.h>

static RoundingMode gFloatToHalfRoundingMode = kDefaultRoundingMode;


CResult::CResult(): _result(TEST_PASS), _resultLast(TEST_NORESULT) {}

CResult::~CResult() {}

CResult::TTestResult CResult::ResultLast() const { return _resultLast; }

int CResult::Result() const
{
    switch (_result)
    {
        case TEST_NORESULT:
        case TEST_NOTSUPPORTED:
        case TEST_PASS: return 0; break;
        case TEST_FAIL: return 1; break;
        case TEST_ERROR: return 2; break;
        default: return -1; break;
    }
}

void CResult::ResultSub(TTestResult result)
{
    _resultLast = result;
    if (static_cast<int>(result) > static_cast<int>(_result)) _result = result;
}

void FunctionContextCreateToString(TContextFuncType contextCreateFunction,
                                   std::string &contextFunction)
{
    switch (contextCreateFunction)
    {
        case CONTEXT_CREATE_DEFAULT: contextFunction = "CreateContext"; break;
        case CONTEXT_CREATE_FROM_TYPE:
            contextFunction = "CreateContextFromType";
            break;
        default:
            contextFunction = "Unknown";
            log_error("FunctionContextCreateToString(): Unknown create "
                      "function enum!");
            break;
    }
}

void AdapterToString(cl_dx9_media_adapter_type_khr adapterType,
                     std::string &adapter)
{
    switch (adapterType)
    {
        case CL_ADAPTER_D3D9_KHR: adapter = "D3D9"; break;
        case CL_ADAPTER_D3D9EX_KHR: adapter = "D3D9EX"; break;
        case CL_ADAPTER_DXVA_KHR: adapter = "DXVA"; break;
        default:
            adapter = "Unknown";
            log_error("AdapterToString(): Unknown adapter type!");
            break;
    }
}

cl_context_info
AdapterTypeToContextInfo(cl_dx9_media_adapter_type_khr adapterType)
{
    switch (adapterType)
    {
        case CL_ADAPTER_D3D9_KHR: return CL_CONTEXT_ADAPTER_D3D9_KHR; break;
        case CL_ADAPTER_D3D9EX_KHR: return CL_CONTEXT_ADAPTER_D3D9EX_KHR; break;
        case CL_ADAPTER_DXVA_KHR: return CL_CONTEXT_ADAPTER_DXVA_KHR; break;
        default:
            log_error("AdapterTypeToContextInfo(): Unknown adapter type!");
            return 0;
            break;
    }
}

void YUVGenerateNV12(std::vector<cl_uchar> &yuv, unsigned int width,
                     unsigned int height, cl_uchar valueMin, cl_uchar valueMax,
                     double valueAdd)
{
    yuv.clear();
    yuv.resize(width * height * 3 / 2, 0);

    double min = static_cast<double>(valueMin);
    double max = static_cast<double>(valueMax);
    double range = 255;
    double add = static_cast<double>(valueAdd * range);
    double stepX = (max - min) / static_cast<double>(width);
    double stepY = (max - min) / static_cast<double>(height);

    // generate Y plane
    for (unsigned int i = 0; i < height; ++i)
    {
        unsigned int offset = i * width;
        double valueYPlane0 = static_cast<double>(stepY * i);
        for (unsigned int j = 0; j < width; ++j)
        {
            double valueXPlane0 = static_cast<double>(stepX * j);
            yuv.at(offset + j) = static_cast<cl_uchar>(
                min + valueXPlane0 / 2 + valueYPlane0 / 2 + add);
        }
    }

    // generate UV planes
    for (unsigned int i = 0; i < height / 2; ++i)
    {
        unsigned int offset = width * height + i * width;
        double valueYPlane1 = static_cast<double>(stepY * i);
        double valueYPlane2 = static_cast<double>(stepY * (height / 2 + i));
        for (unsigned int j = 0; j < width / 2; ++j)
        {
            double valueXPlane1 = static_cast<double>(stepX * j);
            double valueXPlane2 = static_cast<double>(stepX * (width / 2 + j));

            yuv.at(offset + j * 2) = static_cast<cl_uchar>(
                min + valueXPlane1 / 2 + valueYPlane1 / 2 + add);
            yuv.at(offset + j * 2 + 1) = static_cast<cl_uchar>(
                min + valueXPlane2 / 2 + valueYPlane2 / 2 + add);
        }
    }
}

void YUVGenerateYV12(std::vector<cl_uchar> &yuv, unsigned int width,
                     unsigned int height, cl_uchar valueMin, cl_uchar valueMax,
                     double valueAdd /*= 0.0*/)
{
    yuv.clear();
    yuv.resize(width * height * 3 / 2, 0);

    double min = static_cast<double>(valueMin);
    double max = static_cast<double>(valueMax);
    double range = 255;
    double add = static_cast<double>(valueAdd * range);
    double stepX = (max - min) / static_cast<double>(width);
    double stepY = (max - min) / static_cast<double>(height);

    unsigned offset = 0;

    // generate Y plane
    for (unsigned int i = 0; i < height; ++i)
    {
        unsigned int plane0Offset = offset + i * width;
        double valueYPlane0 = static_cast<double>(stepY * i);
        for (unsigned int j = 0; j < width; ++j)
        {
            double valueXPlane0 = static_cast<double>(stepX * j);
            yuv.at(plane0Offset + j) = static_cast<cl_uchar>(
                min + valueXPlane0 / 2 + valueYPlane0 / 2 + add);
        }
    }

    // generate V plane
    offset += width * height;
    for (unsigned int i = 0; i < height / 2; ++i)
    {
        unsigned int plane1Offset = offset + i * width / 2;
        double valueYPlane1 = static_cast<double>(stepY * i);
        for (unsigned int j = 0; j < width / 2; ++j)
        {
            double valueXPlane1 = static_cast<double>(stepX * j);
            yuv.at(plane1Offset + j) = static_cast<cl_uchar>(
                min + valueXPlane1 / 2 + valueYPlane1 / 2 + add);
        }
    }

    // generate U plane
    offset += width * height / 4;
    for (unsigned int i = 0; i < height / 2; ++i)
    {
        unsigned int plane2Offset = offset + i * width / 2;
        double valueYPlane2 = static_cast<double>(stepY * (height / 2 + i));
        for (unsigned int j = 0; j < width / 2; ++j)
        {
            double valueXPlane2 = static_cast<double>(stepX * j);
            yuv.at(plane2Offset + j) = static_cast<cl_uchar>(
                min + valueXPlane2 / 2 + valueYPlane2 / 2 + add);
        }
    }
}


bool YUVGenerate(TSurfaceFormat surfaceFormat, std::vector<cl_uchar> &yuv,
                 unsigned int width, unsigned int height, cl_uchar valueMin,
                 cl_uchar valueMax, double valueAdd /*= 0.0*/)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_NV12:
            YUVGenerateNV12(yuv, width, height, valueMin, valueMax, valueAdd);
            break;
        case SURFACE_FORMAT_YV12:
            YUVGenerateYV12(yuv, width, height, valueMin, valueMax, valueAdd);
            break;
        default:
            log_error("YUVGenerate(): Invalid surface type\n");
            return false;
            break;
    }

    return true;
}

bool YUVSurfaceSetNV12(std::auto_ptr<CSurfaceWrapper> &surface,
                       const std::vector<cl_uchar> &yuv, unsigned int width,
                       unsigned int height)
{
#if defined(_WIN32)
    CD3D9SurfaceWrapper *d3dSurface =
        static_cast<CD3D9SurfaceWrapper *>(surface.get());
    D3DLOCKED_RECT rect;
    if (FAILED((*d3dSurface)->LockRect(&rect, NULL, 0)))
    {
        log_error("YUVSurfaceSetNV12(): Surface lock failed\n");
        return false;
    }

    size_t pitch = rect.Pitch / sizeof(cl_uchar);
    size_t lineSize = width * sizeof(cl_uchar);
    cl_uchar *ptr = static_cast<cl_uchar *>(rect.pBits);
    for (size_t y = 0; y < height; ++y)
        memcpy(ptr + y * pitch, &yuv.at(y * width), lineSize);

    for (size_t y = 0; y < height / 2; ++y)
        memcpy(ptr + height * pitch + y * pitch,
               &yuv.at(width * height + y * width), lineSize);

    (*d3dSurface)->UnlockRect();

    return true;

#else
    return false;
#endif
}

bool YUVSurfaceSetYV12(std::auto_ptr<CSurfaceWrapper> &surface,
                       const std::vector<cl_uchar> &yuv, unsigned int width,
                       unsigned int height)
{
#if defined(_WIN32)
    CD3D9SurfaceWrapper *d3dSurface =
        static_cast<CD3D9SurfaceWrapper *>(surface.get());
    D3DLOCKED_RECT rect;
    if (FAILED((*d3dSurface)->LockRect(&rect, NULL, 0)))
    {
        log_error("YUVSurfaceSetYV12(): Surface lock failed!\n");
        return false;
    }

    size_t pitch = rect.Pitch / sizeof(cl_uchar);
    size_t pitchHalf = pitch / 2;
    size_t lineSize = width * sizeof(cl_uchar);
    size_t lineHalfSize = lineSize / 2;
    size_t surfaceOffset = 0;
    size_t yuvOffset = 0;
    cl_uchar *ptr = static_cast<cl_uchar *>(rect.pBits);

    for (size_t y = 0; y < height; ++y)
        memcpy(ptr + surfaceOffset + y * pitch, &yuv.at(yuvOffset + y * width),
               lineSize);

    surfaceOffset += height * pitch;
    yuvOffset += width * height;
    for (size_t y = 0; y < height / 2; ++y)
        memcpy(ptr + surfaceOffset + y * pitchHalf,
               &yuv.at(yuvOffset + y * lineHalfSize), lineHalfSize);

    surfaceOffset += pitchHalf * height / 2;
    yuvOffset += width * height / 4;
    for (size_t y = 0; y < height / 2; ++y)
        memcpy(ptr + surfaceOffset + y * pitchHalf,
               &yuv.at(yuvOffset + y * lineHalfSize), lineHalfSize);

    (*d3dSurface)->UnlockRect();

    return true;

#else
    return false;
#endif
}

bool YUVSurfaceSet(TSurfaceFormat surfaceFormat,
                   std::auto_ptr<CSurfaceWrapper> &surface,
                   const std::vector<cl_uchar> &yuv, unsigned int width,
                   unsigned int height)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_NV12:
            if (!YUVSurfaceSetNV12(surface, yuv, width, height)) return false;
            break;
        case SURFACE_FORMAT_YV12:
            if (!YUVSurfaceSetYV12(surface, yuv, width, height)) return false;
            break;
        default:
            log_error("YUVSurfaceSet(): Invalid surface type!\n");
            return false;
            break;
    }

    return true;
}

bool YUVSurfaceGetNV12(std::auto_ptr<CSurfaceWrapper> &surface,
                       std::vector<cl_uchar> &yuv, unsigned int width,
                       unsigned int height)
{
#if defined(_WIN32)
    CD3D9SurfaceWrapper *d3dSurface =
        static_cast<CD3D9SurfaceWrapper *>(surface.get());
    D3DLOCKED_RECT rect;
    if (FAILED((*d3dSurface)->LockRect(&rect, NULL, 0)))
    {
        log_error("YUVSurfaceGetNV12(): Surface lock failed!\n");
        return false;
    }

    size_t pitch = rect.Pitch / sizeof(cl_uchar);
    size_t lineSize = width * sizeof(cl_uchar);
    cl_uchar *ptr = static_cast<cl_uchar *>(rect.pBits);
    size_t yuvOffset = 0;
    size_t surfaceOffset = 0;
    for (size_t y = 0; y < height; ++y)
        memcpy(&yuv.at(yuvOffset + y * width), ptr + y * pitch, lineSize);

    yuvOffset += width * height;
    surfaceOffset += pitch * height;
    for (size_t y = 0; y < height / 2; ++y)
        memcpy(&yuv.at(yuvOffset + y * width), ptr + surfaceOffset + y * pitch,
               lineSize);

    (*d3dSurface)->UnlockRect();

    return true;

#else
    return false;
#endif
}

bool YUVSurfaceGetYV12(std::auto_ptr<CSurfaceWrapper> &surface,
                       std::vector<cl_uchar> &yuv, unsigned int width,
                       unsigned int height)
{
#if defined(_WIN32)
    CD3D9SurfaceWrapper *d3dSurface =
        static_cast<CD3D9SurfaceWrapper *>(surface.get());
    D3DLOCKED_RECT rect;
    if (FAILED((*d3dSurface)->LockRect(&rect, NULL, 0)))
    {
        log_error("YUVSurfaceGetYV12(): Surface lock failed!\n");
        return false;
    }

    size_t pitch = rect.Pitch / sizeof(cl_uchar);
    size_t pitchHalf = pitch / 2;
    size_t lineSize = width * sizeof(cl_uchar);
    size_t lineHalfSize = lineSize / 2;
    size_t surfaceOffset = 0;
    size_t yuvOffset = 0;
    cl_uchar *ptr = static_cast<cl_uchar *>(rect.pBits);

    for (size_t y = 0; y < height; ++y)
        memcpy(&yuv.at(yuvOffset + y * width), ptr + surfaceOffset + y * pitch,
               lineSize);

    surfaceOffset += pitch * height;
    yuvOffset += width * height;
    for (size_t y = 0; y < height / 2; ++y)
        memcpy(&yuv.at(yuvOffset + y * lineHalfSize),
               ptr + surfaceOffset + y * pitchHalf, lineHalfSize);

    surfaceOffset += pitchHalf * height / 2;
    yuvOffset += width * height / 4;
    for (size_t y = 0; y < height / 2; ++y)
        memcpy(&yuv.at(yuvOffset + y * lineHalfSize),
               ptr + surfaceOffset + y * pitchHalf, lineHalfSize);

    (*d3dSurface)->UnlockRect();

    return true;

#else
    return false;
#endif
}

bool YUVSurfaceGet(TSurfaceFormat surfaceFormat,
                   std::auto_ptr<CSurfaceWrapper> &surface,
                   std::vector<cl_uchar> &yuv, unsigned int width,
                   unsigned int height)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_NV12:
            if (!YUVSurfaceGetNV12(surface, yuv, width, height)) return false;
            break;
        case SURFACE_FORMAT_YV12:
            if (!YUVSurfaceGetYV12(surface, yuv, width, height)) return false;
            break;
        default:
            log_error("YUVSurfaceGet(): Invalid surface type!\n");
            return false;
            break;
    }

    return true;
}

bool YUVCompareNV12(const std::vector<cl_uchar> &yuvTest,
                    const std::vector<cl_uchar> &yuvRef, unsigned int width,
                    unsigned int height)
{
    // plane 0 verification
    size_t offset = 0;
    for (size_t y = 0; y < height; ++y)
    {
        size_t plane0Offset = offset + width * y;
        for (size_t x = 0; x < width; ++x)
        {
            if (yuvTest[plane0Offset + x] != yuvRef[plane0Offset + x])
            {
                log_error("Plane 0 (Y) is different than expected, reference "
                          "value: %i, test value: %i, x: %i, y: %i\n",
                          yuvRef[plane0Offset + x], yuvTest[plane0Offset + x],
                          x, y);
                return false;
            }
        }
    }

    // plane 1 and 2 verification
    offset += width * height;
    for (size_t y = 0; y < height / 2; ++y)
    {
        size_t plane12Offset = offset + width * y;
        for (size_t x = 0; x < width / 2; ++x)
        {
            if (yuvTest.at(plane12Offset + 2 * x)
                != yuvRef.at(plane12Offset + 2 * x))
            {
                log_error("Plane 1 (U) is different than expected, reference "
                          "value: %i, test value: %i, x: %i, y: %i\n",
                          yuvRef[plane12Offset + 2 * x],
                          yuvTest[plane12Offset + 2 * x], x, y);
                return false;
            }

            if (yuvTest.at(plane12Offset + 2 * x + 1)
                != yuvRef.at(plane12Offset + 2 * x + 1))
            {
                log_error("Plane 2 (V) is different than expected, reference "
                          "value: %i, test value: %i, x: %i, y: %i\n",
                          yuvRef[plane12Offset + 2 * x + 1],
                          yuvTest[plane12Offset + 2 * x + 1], x, y);
                return false;
            }
        }
    }

    return true;
}

bool YUVCompareYV12(const std::vector<cl_uchar> &yuvTest,
                    const std::vector<cl_uchar> &yuvRef, unsigned int width,
                    unsigned int height)
{
    // plane 0 verification
    size_t offset = 0;
    for (size_t y = 0; y < height; ++y)
    {
        size_t plane0Offset = width * y;
        for (size_t x = 0; x < width; ++x)
        {
            if (yuvTest.at(plane0Offset + x) != yuvRef.at(plane0Offset + x))
            {
                log_error("Plane 0 (Y) is different than expected, reference "
                          "value: %i, test value: %i, x: %i, y: %i\n",
                          yuvRef[plane0Offset + x], yuvTest[plane0Offset + x],
                          x, y);
                return false;
            }
        }
    }

    // plane 1 verification
    offset += width * height;
    for (size_t y = 0; y < height / 2; ++y)
    {
        size_t plane1Offset = offset + width * y / 2;
        for (size_t x = 0; x < width / 2; ++x)
        {
            if (yuvTest.at(plane1Offset + x) != yuvRef.at(plane1Offset + x))
            {
                log_error("Plane 1 (V) is different than expected, reference "
                          "value: %i, test value: %i, x: %i, y: %i\n",
                          yuvRef[plane1Offset + x], yuvTest[plane1Offset + x],
                          x, y);
                return false;
            }
        }
    }

    // plane 2 verification
    offset += width * height / 4;
    for (size_t y = 0; y < height / 2; ++y)
    {
        size_t plane2Offset = offset + width * y / 2;
        for (size_t x = 0; x < width / 2; ++x)
        {
            if (yuvTest.at(plane2Offset + x) != yuvRef.at(plane2Offset + x))
            {
                log_error("Plane 2 (U) is different than expected, reference "
                          "value: %i, test value: %i, x: %i, y: %i\n",
                          yuvRef[plane2Offset + x], yuvTest[plane2Offset + x],
                          x, y);
                return false;
            }
        }
    }

    return true;
}

bool YUVCompare(TSurfaceFormat surfaceFormat,
                const std::vector<cl_uchar> &yuvTest,
                const std::vector<cl_uchar> &yuvRef, unsigned int width,
                unsigned int height)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_NV12:
            if (!YUVCompareNV12(yuvTest, yuvRef, width, height))
            {
                log_error("OCL object is different than expected!\n");
                return false;
            }
            break;
        case SURFACE_FORMAT_YV12:
            if (!YUVCompareYV12(yuvTest, yuvRef, width, height))
            {
                log_error("OCL object is different than expected!\n");
                return false;
            }
            break;
        default:
            log_error("YUVCompare(): Invalid surface type!\n");
            return false;
            break;
    }

    return true;
}

void DataGenerate(TSurfaceFormat surfaceFormat, cl_channel_type type,
                  std::vector<float> &data, unsigned int width,
                  unsigned int height, unsigned int channelNum,
                  float cmin /*= 0.0f*/, float cmax /*= 1.0f*/,
                  float add /*= 0.0f*/)
{
    data.clear();
    data.reserve(width * height * channelNum);

    double valueMin = static_cast<double>(cmin);
    double valueMax = static_cast<double>(cmax);
    double stepX = (valueMax - valueMin) / static_cast<double>(width);
    double stepY = (valueMax - valueMin) / static_cast<double>(height);
    double valueAdd = static_cast<double>(add);
    for (unsigned int i = 0; i < height; ++i)
    {
        double valueY = static_cast<double>(stepY * i);
        for (unsigned int j = 0; j < width; ++j)
        {
            double valueX = static_cast<double>(stepX * j);
            switch (channelNum)
            {
                case 1:
                    data.push_back(static_cast<float>(valueMin + valueX / 2
                                                      + valueY / 2 + valueAdd));
                    break;
                case 2:
                    data.push_back(
                        static_cast<float>(valueMin + valueX + valueAdd));
                    data.push_back(
                        static_cast<float>(valueMin + valueY + valueAdd));
                    break;
                case 4:
                    data.push_back(
                        static_cast<float>(valueMin + valueX + valueAdd));
                    data.push_back(
                        static_cast<float>(valueMin + valueY + valueAdd));
                    data.push_back(
                        static_cast<float>(valueMin + valueX / 2 + valueAdd));
                    data.push_back(
                        static_cast<float>(valueMin + valueY / 2 + valueAdd));
                    break;
                default:
                    log_error("DataGenerate(): invalid channel number!");
                    return;
                    break;
            }
        }
    }
}

void DataGenerate(TSurfaceFormat surfaceFormat, cl_channel_type type,
                  std::vector<cl_half> &data, unsigned int width,
                  unsigned int height, unsigned int channelNum,
                  float cmin /*= 0.0f*/, float cmax /*= 1.0f*/,
                  float add /*= 0.0f*/)
{
    data.clear();
    data.reserve(width * height * channelNum);

    double valueMin = static_cast<double>(cmin);
    double valueMax = static_cast<double>(cmax);
    double stepX = (valueMax - valueMin) / static_cast<double>(width);
    double stepY = (valueMax - valueMin) / static_cast<double>(height);

    switch (type)
    {
        case CL_HALF_FLOAT: {
            double valueAdd = static_cast<double>(add);

            for (unsigned int i = 0; i < height; ++i)
            {
                double valueY = static_cast<double>(stepY * i);
                for (unsigned int j = 0; j < width; ++j)
                {
                    double valueX = static_cast<double>(stepX * j);
                    switch (channelNum)
                    {
                        case 1:
                            data.push_back(convert_float_to_half(
                                static_cast<float>(valueMin + valueX / 2
                                                   + valueY / 2 + valueAdd)));
                            break;
                        case 2:
                            data.push_back(
                                convert_float_to_half(static_cast<float>(
                                    valueMin + valueX + valueAdd)));
                            data.push_back(
                                convert_float_to_half(static_cast<float>(
                                    valueMin + valueY + valueAdd)));
                            break;
                        case 4:
                            data.push_back(
                                convert_float_to_half(static_cast<float>(
                                    valueMin + valueX + valueAdd)));
                            data.push_back(
                                convert_float_to_half(static_cast<float>(
                                    valueMin + valueY + valueAdd)));
                            data.push_back(
                                convert_float_to_half(static_cast<float>(
                                    valueMin + valueX / 2 + valueAdd)));
                            data.push_back(
                                convert_float_to_half(static_cast<float>(
                                    valueMin + valueY / 2 + valueAdd)));
                            break;
                        default:
                            log_error(
                                "DataGenerate(): invalid channel number!");
                            return;
                            break;
                    }
                }
            }
            break;
        }
        case CL_UNORM_INT16: {
            double range = 65535;
            double valueAdd = static_cast<double>(add * range);

            for (unsigned int i = 0; i < height; ++i)
            {
                double valueY = static_cast<double>(stepY * i * range);
                for (unsigned int j = 0; j < width; ++j)
                {
                    double valueX = static_cast<double>(stepX * j * range);
                    switch (channelNum)
                    {
                        case 1:
                            data.push_back(static_cast<cl_ushort>(
                                valueMin + valueX / 2 + valueY / 2 + valueAdd));
                            break;
                        case 2:
                            data.push_back(static_cast<cl_ushort>(
                                valueMin + valueX + valueAdd));
                            data.push_back(static_cast<cl_ushort>(
                                valueMin + valueY + valueAdd));
                            break;
                        case 4:
                            data.push_back(static_cast<cl_ushort>(
                                valueMin + valueX + valueAdd));
                            data.push_back(static_cast<cl_ushort>(
                                valueMin + valueY + valueAdd));
                            data.push_back(static_cast<cl_ushort>(
                                valueMin + valueX / 2 + valueAdd));
                            data.push_back(static_cast<cl_ushort>(
                                valueMin + valueY / 2 + valueAdd));
                            break;
                        default:
                            log_error(
                                "DataGenerate(): invalid channel number!");
                            return;
                            break;
                    }
                }
            }
        }
        break;
        default:
            log_error("DataGenerate(): unknown data type!");
            return;
            break;
    }
}

void DataGenerate(TSurfaceFormat surfaceFormat, cl_channel_type type,
                  std::vector<cl_uchar> &data, unsigned int width,
                  unsigned int height, unsigned int channelNum,
                  float cmin /*= 0.0f*/, float cmax /*= 1.0f*/,
                  float add /*= 0.0f*/)
{
    data.clear();
    data.reserve(width * height * channelNum);

    double valueMin = static_cast<double>(cmin);
    double valueMax = static_cast<double>(cmax);
    double stepX = (valueMax - valueMin) / static_cast<double>(width);
    double stepY = (valueMax - valueMin) / static_cast<double>(height);

    double range = 255;
    double valueAdd = static_cast<double>(add * range);

    for (unsigned int i = 0; i < height; ++i)
    {
        double valueY = static_cast<double>(stepY * i * range);
        for (unsigned int j = 0; j < width; ++j)
        {
            double valueX = static_cast<double>(stepX * j * range);
            switch (channelNum)
            {
                case 1:
                    data.push_back(static_cast<cl_uchar>(
                        valueMin + valueX / 2 + valueY / 2 + valueAdd));
                    break;
                case 2:
                    data.push_back(
                        static_cast<cl_uchar>(valueMin + valueX + valueAdd));
                    data.push_back(
                        static_cast<cl_uchar>(valueMin + valueY + valueAdd));
                    break;
                case 4:
                    data.push_back(
                        static_cast<cl_uchar>(valueMin + valueX + valueAdd));
                    data.push_back(
                        static_cast<cl_uchar>(valueMin + valueY + valueAdd));
                    data.push_back(static_cast<cl_uchar>(valueMin + valueX / 2
                                                         + valueAdd));
                    if (surfaceFormat == SURFACE_FORMAT_X8R8G8B8)
                        data.push_back(static_cast<cl_uchar>(0xff));
                    else
                        data.push_back(static_cast<cl_uchar>(
                            valueMin + valueY / 2 + valueAdd));
                    break;
                default:
                    log_error("DataGenerate(): invalid channel number!");
                    return;
                    break;
            }
        }
    }
}

bool DataCompare(TSurfaceFormat surfaceFormat, cl_channel_type type,
                 const std::vector<float> &dataTest,
                 const std::vector<float> &dataExp, unsigned int width,
                 unsigned int height, unsigned int channelNum)
{
    float epsilon = 0.000001f;
    for (unsigned int i = 0; i < height; ++i)
    {
        unsigned int offset = i * width * channelNum;
        for (unsigned int j = 0; j < width; ++j)
        {
            for (unsigned planeIdx = 0; planeIdx < channelNum; ++planeIdx)
            {
                if (abs(dataTest.at(offset + j * channelNum + planeIdx)
                        - dataExp.at(offset + j * channelNum + planeIdx))
                    > epsilon)
                {
                    log_error(
                        "Tested image is different than reference (x,y,plane) "
                        "= (%i,%i,%i), test value = %f, expected value = %f\n",
                        j, i, planeIdx,
                        dataTest[offset + j * channelNum + planeIdx],
                        dataExp[offset + j * channelNum + planeIdx]);
                    return false;
                }
            }
        }
    }

    return true;
}

bool DataCompare(TSurfaceFormat surfaceFormat, cl_channel_type type,
                 const std::vector<cl_half> &dataTest,
                 const std::vector<cl_half> &dataExp, unsigned int width,
                 unsigned int height, unsigned int channelNum)
{
    switch (type)
    {
        case CL_HALF_FLOAT: {
            float epsilon = 0.001f;
            for (unsigned int i = 0; i < height; ++i)
            {
                unsigned int offset = i * width * channelNum;
                for (unsigned int j = 0; j < width; ++j)
                {
                    for (unsigned planeIdx = 0; planeIdx < channelNum;
                         ++planeIdx)
                    {
                        float test = cl_half_to_float(
                            dataTest.at(offset + j * channelNum + planeIdx));
                        float ref = cl_half_to_float(
                            dataExp.at(offset + j * channelNum + planeIdx));
                        if (abs(test - ref) > epsilon)
                        {
                            log_error("Tested image is different than "
                                      "reference (x,y,plane) = "
                                      "(%i,%i,%i), test value = %f, expected "
                                      "value = %f\n",
                                      j, i, planeIdx, test, ref);
                            return false;
                        }
                    }
                }
            }
        }
        break;
        case CL_UNORM_INT16: {
            cl_ushort epsilon = 1;
            for (unsigned int i = 0; i < height; ++i)
            {
                unsigned int offset = i * width * channelNum;
                for (unsigned int j = 0; j < width; ++j)
                {
                    for (unsigned planeIdx = 0; planeIdx < channelNum;
                         ++planeIdx)
                    {
                        cl_ushort test =
                            dataTest.at(offset + j * channelNum + planeIdx);
                        cl_ushort ref =
                            dataExp.at(offset + j * channelNum + planeIdx);
                        if (abs(test - ref) > epsilon)
                        {
                            log_error("Tested image is different than "
                                      "reference (x,y,plane) = (%i,%i,%i), "
                                      "test value = %i, expected value = %i\n",
                                      j, i, planeIdx, test, ref);
                            return false;
                        }
                    }
                }
            }
        }
        break;
        default:
            log_error("DataCompare(): Invalid data format!");
            return false;
            break;
    }

    return true;
}

bool DataCompare(TSurfaceFormat surfaceFormat, cl_channel_type type,
                 const std::vector<cl_uchar> &dataTest,
                 const std::vector<cl_uchar> &dataExp, unsigned int width,
                 unsigned int height, unsigned int planeNum)
{
    for (unsigned int i = 0; i < height; ++i)
    {
        unsigned int offset = i * width * planeNum;
        for (unsigned int j = 0; j < width; ++j)
        {
            for (unsigned planeIdx = 0; planeIdx < planeNum; ++planeIdx)
            {
                if (surfaceFormat == SURFACE_FORMAT_X8R8G8B8 && planeIdx == 3)
                    continue;

                cl_uchar test = dataTest.at(offset + j * planeNum + planeIdx);
                cl_uchar ref = dataExp.at(offset + j * planeNum + planeIdx);
                if (test != ref)
                {
                    log_error(
                        "Tested image is different than reference (x,y,plane) "
                        "= (%i,%i,%i), test value = %i, expected value = %i\n",
                        j, i, planeIdx, test, ref);
                    return false;
                }
            }
        }
    }

    return true;
}

bool GetImageInfo(cl_mem object, cl_image_format formatExp,
                  size_t elementSizeExp, size_t rowPitchExp,
                  size_t slicePitchExp, size_t widthExp, size_t heightExp,
                  size_t depthExp, unsigned int planeExp)
{
    bool result = true;

    cl_image_format format;
    if (clGetImageInfo(object, CL_IMAGE_FORMAT, sizeof(cl_image_format),
                       &format, 0)
        != CL_SUCCESS)
    {
        log_error("clGetImageInfo(CL_IMAGE_FORMAT) failed\n");
        result = false;
    }

    if (formatExp.image_channel_order != format.image_channel_order
        || formatExp.image_channel_data_type != format.image_channel_data_type)
    {
        log_error("Value of CL_IMAGE_FORMAT is different than expected\n");
        result = false;
    }

    size_t elementSize = 0;
    if (clGetImageInfo(object, CL_IMAGE_ELEMENT_SIZE, sizeof(size_t),
                       &elementSize, 0)
        != CL_SUCCESS)
    {
        log_error("clGetImageInfo(CL_IMAGE_ELEMENT_SIZE) failed\n");
        result = false;
    }

    if (elementSizeExp != elementSize)
    {
        log_error("Value of CL_IMAGE_ELEMENT_SIZE is different than expected "
                  "(size: %i, exp size: %i)\n",
                  elementSize, elementSizeExp);
        result = false;
    }

    size_t rowPitch = 0;
    if (clGetImageInfo(object, CL_IMAGE_ROW_PITCH, sizeof(size_t), &rowPitch, 0)
        != CL_SUCCESS)
    {
        log_error("clGetImageInfo(CL_IMAGE_ROW_PITCH) failed\n");
        result = false;
    }

    if ((rowPitchExp == 0 && rowPitchExp != rowPitch)
        || (rowPitchExp > 0 && rowPitchExp > rowPitch))
    {
        log_error("Value of CL_IMAGE_ROW_PITCH is different than expected "
                  "(size: %i, exp size: %i)\n",
                  rowPitch, rowPitchExp);
        result = false;
    }

    size_t slicePitch = 0;
    if (clGetImageInfo(object, CL_IMAGE_SLICE_PITCH, sizeof(size_t),
                       &slicePitch, 0)
        != CL_SUCCESS)
    {
        log_error("clGetImageInfo(CL_IMAGE_SLICE_PITCH) failed\n");
        result = false;
    }

    if ((slicePitchExp == 0 && slicePitchExp != slicePitch)
        || (slicePitchExp > 0 && slicePitchExp > slicePitch))
    {
        log_error("Value of CL_IMAGE_SLICE_PITCH is different than expected "
                  "(size: %i, exp size: %i)\n",
                  slicePitch, slicePitchExp);
        result = false;
    }

    size_t width = 0;
    if (clGetImageInfo(object, CL_IMAGE_WIDTH, sizeof(size_t), &width, 0)
        != CL_SUCCESS)
    {
        log_error("clGetImageInfo(CL_IMAGE_WIDTH) failed\n");
        result = false;
    }

    if (widthExp != width)
    {
        log_error("Value of CL_IMAGE_WIDTH is different than expected (size: "
                  "%i, exp size: %i)\n",
                  width, widthExp);
        result = false;
    }

    size_t height = 0;
    if (clGetImageInfo(object, CL_IMAGE_HEIGHT, sizeof(size_t), &height, 0)
        != CL_SUCCESS)
    {
        log_error("clGetImageInfo(CL_IMAGE_HEIGHT) failed\n");
        result = false;
    }

    if (heightExp != height)
    {
        log_error("Value of CL_IMAGE_HEIGHT is different than expected (size: "
                  "%i, exp size: %i)\n",
                  height, heightExp);
        result = false;
    }

    size_t depth = 0;
    if (clGetImageInfo(object, CL_IMAGE_DEPTH, sizeof(size_t), &depth, 0)
        != CL_SUCCESS)
    {
        log_error("clGetImageInfo(CL_IMAGE_DEPTH) failed\n");
        result = false;
    }

    if (depthExp != depth)
    {
        log_error("Value of CL_IMAGE_DEPTH is different than expected (size: "
                  "%i, exp size: %i)\n",
                  depth, depthExp);
        result = false;
    }

    unsigned int plane = 99;
    size_t paramSize = 0;
    if (clGetImageInfo(object, CL_IMAGE_DX9_MEDIA_PLANE_KHR,
                       sizeof(unsigned int), &plane, &paramSize)
        != CL_SUCCESS)
    {
        log_error("clGetImageInfo(CL_IMAGE_MEDIA_SURFACE_PLANE_KHR) failed\n");
        result = false;
    }

    if (planeExp != plane)
    {
        log_error("Value of CL_IMAGE_MEDIA_SURFACE_PLANE_KHR is different than "
                  "expected (plane: %i, exp plane: %i)\n",
                  plane, planeExp);
        result = false;
    }

    return result;
}

bool GetMemObjInfo(cl_mem object, cl_dx9_media_adapter_type_khr adapterType,
                   std::auto_ptr<CSurfaceWrapper> &surface,
                   void *shareHandleExp)
{
    bool result = true;
    switch (adapterType)
    {
        case CL_ADAPTER_D3D9_KHR:
        case CL_ADAPTER_D3D9EX_KHR:
        case CL_ADAPTER_DXVA_KHR: {
#if defined(_WIN32)
            cl_dx9_surface_info_khr surfaceInfo;
#else
            void *surfaceInfo = 0;
            return false;
#endif
            size_t paramSize = 0;
            if (clGetMemObjectInfo(object, CL_MEM_DX9_MEDIA_SURFACE_INFO_KHR,
                                   sizeof(surfaceInfo), &surfaceInfo,
                                   &paramSize)
                != CL_SUCCESS)
            {
                log_error("clGetImageInfo(CL_MEM_DX9_MEDIA_SURFACE_INFO_KHR) "
                          "failed\n");
                result = false;
            }

#if defined(_WIN32)
            CD3D9SurfaceWrapper *d3d9Surface =
                static_cast<CD3D9SurfaceWrapper *>(surface.get());
            if (*d3d9Surface != surfaceInfo.resource)
            {
                log_error(
                    "Invalid resource for CL_MEM_DX9_MEDIA_SURFACE_INFO_KHR\n");
                result = false;
            }

            if (shareHandleExp != surfaceInfo.shared_handle)
            {
                log_error("Invalid shared handle for "
                          "CL_MEM_DX9_MEDIA_SURFACE_INFO_KHR\n");
                result = false;
            }
#else
            return false;
#endif

            if (paramSize != sizeof(surfaceInfo))
            {
                log_error("Invalid CL_MEM_DX9_MEDIA_SURFACE_INFO_KHR parameter "
                          "size: %i, expected: %i\n",
                          paramSize, sizeof(surfaceInfo));
                result = false;
            }

            paramSize = 0;
            cl_dx9_media_adapter_type_khr mediaAdapterType;
            if (clGetMemObjectInfo(object, CL_MEM_DX9_MEDIA_ADAPTER_TYPE_KHR,
                                   sizeof(mediaAdapterType), &mediaAdapterType,
                                   &paramSize)
                != CL_SUCCESS)
            {
                log_error("clGetImageInfo(CL_MEM_DX9_MEDIA_ADAPTER_TYPE_KHR) "
                          "failed\n");
                result = false;
            }

            if (adapterType != mediaAdapterType)
            {
                log_error("Invalid media adapter type for "
                          "CL_MEM_DX9_MEDIA_ADAPTER_TYPE_KHR\n");
                result = false;
            }

            if (paramSize != sizeof(mediaAdapterType))
            {
                log_error("Invalid CL_MEM_DX9_MEDIA_ADAPTER_TYPE_KHR parameter "
                          "size: %i, expected: %i\n",
                          paramSize, sizeof(mediaAdapterType));
                result = false;
            }
        }
        break;
        default:
            log_error("GetMemObjInfo(): Unknown adapter type!\n");
            return false;
            break;
    }

    return result;
}

bool ImageInfoVerify(cl_dx9_media_adapter_type_khr adapterType,
                     const std::vector<cl_mem> &memObjList, unsigned int width,
                     unsigned int height,
                     std::auto_ptr<CSurfaceWrapper> &surface,
                     void *sharedHandle)
{
    if (memObjList.size() != 2 && memObjList.size() != 3)
    {
        log_error("ImageInfoVerify(): Invalid object list parameter\n");
        return false;
    }

    cl_image_format formatPlane;
    formatPlane.image_channel_data_type = CL_UNORM_INT8;
    formatPlane.image_channel_order = CL_R;

    // plane 0 verification
    if (!GetImageInfo(memObjList[0], formatPlane, sizeof(cl_uchar),
                      width * sizeof(cl_uchar), 0, width, height, 0, 0))
    {
        log_error("clGetImageInfo failed\n");
        return false;
    }

    switch (memObjList.size())
    {
        case 2: {
            formatPlane.image_channel_data_type = CL_UNORM_INT8;
            formatPlane.image_channel_order = CL_RG;
            if (!GetImageInfo(memObjList[1], formatPlane, sizeof(cl_uchar) * 2,
                              width * sizeof(cl_uchar), 0, width / 2,
                              height / 2, 0, 1))
            {
                log_error("clGetImageInfo failed\n");
                return false;
            }
        }
        break;
        case 3: {
            if (!GetImageInfo(memObjList[1], formatPlane, sizeof(cl_uchar),
                              width * sizeof(cl_uchar) / 2, 0, width / 2,
                              height / 2, 0, 1))
            {
                log_error("clGetImageInfo failed\n");
                return false;
            }

            if (!GetImageInfo(memObjList[2], formatPlane, sizeof(cl_uchar),
                              width * sizeof(cl_uchar) / 2, 0, width / 2,
                              height / 2, 0, 2))
            {
                log_error("clGetImageInfo failed\n");
                return false;
            }
        }
        break;
        default:
            log_error("ImageInfoVerify(): Invalid object list parameter\n");
            return false;
            break;
    }

    for (size_t i = 0; i < memObjList.size(); ++i)
    {
        if (!GetMemObjInfo(memObjList[i], adapterType, surface, sharedHandle))
        {
            log_error("clGetMemObjInfo(%i) failed\n", i);
            return false;
        }
    }

    return true;
}

bool ImageFormatCheck(cl_context context, cl_mem_object_type imageType,
                      const cl_image_format imageFormatCheck)
{
    cl_uint imageFormatsNum = 0;
    cl_int error = clGetSupportedImageFormats(
        context, CL_MEM_READ_WRITE, imageType, 0, 0, &imageFormatsNum);
    if (error != CL_SUCCESS)
    {
        log_error("clGetSupportedImageFormats failed\n");
        return false;
    }

    if (imageFormatsNum < 1)
    {
        log_error("Invalid image format number returned by "
                  "clGetSupportedImageFormats\n");
        return false;
    }

    std::vector<cl_image_format> imageFormats(imageFormatsNum);
    error = clGetSupportedImageFormats(context, CL_MEM_READ_WRITE, imageType,
                                       imageFormatsNum, &imageFormats[0], 0);
    if (error != CL_SUCCESS)
    {
        log_error("clGetSupportedImageFormats failed\n");
        return false;
    }

    for (cl_uint i = 0; i < imageFormatsNum; ++i)
    {
        if (imageFormats[i].image_channel_data_type
                == imageFormatCheck.image_channel_data_type
            && imageFormats[i].image_channel_order
                == imageFormatCheck.image_channel_order)
        {
            return true;
        }
    }

    return false;
}

unsigned int ChannelNum(TSurfaceFormat surfaceFormat)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_R32F:
        case SURFACE_FORMAT_R16F:
        case SURFACE_FORMAT_L16:
        case SURFACE_FORMAT_A8:
        case SURFACE_FORMAT_L8: return 1; break;
        case SURFACE_FORMAT_G32R32F:
        case SURFACE_FORMAT_G16R16F:
        case SURFACE_FORMAT_G16R16:
        case SURFACE_FORMAT_A8L8: return 2; break;
        case SURFACE_FORMAT_NV12:
        case SURFACE_FORMAT_YV12: return 3; break;
        case SURFACE_FORMAT_A32B32G32R32F:
        case SURFACE_FORMAT_A16B16G16R16F:
        case SURFACE_FORMAT_A16B16G16R16:
        case SURFACE_FORMAT_A8B8G8R8:
        case SURFACE_FORMAT_X8B8G8R8:
        case SURFACE_FORMAT_A8R8G8B8:
        case SURFACE_FORMAT_X8R8G8B8: return 4; break;
        default:
            log_error("ChannelNum(): unknown surface format!\n");
            return 0;
            break;
    }
}

unsigned int PlanesNum(TSurfaceFormat surfaceFormat)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_R32F:
        case SURFACE_FORMAT_R16F:
        case SURFACE_FORMAT_L16:
        case SURFACE_FORMAT_A8:
        case SURFACE_FORMAT_L8:
        case SURFACE_FORMAT_G32R32F:
        case SURFACE_FORMAT_G16R16F:
        case SURFACE_FORMAT_G16R16:
        case SURFACE_FORMAT_A8L8:
        case SURFACE_FORMAT_A32B32G32R32F:
        case SURFACE_FORMAT_A16B16G16R16F:
        case SURFACE_FORMAT_A16B16G16R16:
        case SURFACE_FORMAT_A8B8G8R8:
        case SURFACE_FORMAT_X8B8G8R8:
        case SURFACE_FORMAT_A8R8G8B8:
        case SURFACE_FORMAT_X8R8G8B8: return 1; break;
        case SURFACE_FORMAT_NV12: return 2; break;
        case SURFACE_FORMAT_YV12: return 3; break;
        default:
            log_error("PlanesNum(): unknown surface format!\n");
            return 0;
            break;
    }
}

#if defined(_WIN32)
D3DFORMAT SurfaceFormatToD3D(TSurfaceFormat surfaceFormat)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_R32F: return D3DFMT_R32F; break;
        case SURFACE_FORMAT_R16F: return D3DFMT_R16F; break;
        case SURFACE_FORMAT_L16: return D3DFMT_L16; break;
        case SURFACE_FORMAT_A8: return D3DFMT_A8; break;
        case SURFACE_FORMAT_L8: return D3DFMT_L8; break;
        case SURFACE_FORMAT_G32R32F: return D3DFMT_G32R32F; break;
        case SURFACE_FORMAT_G16R16F: return D3DFMT_G16R16F; break;
        case SURFACE_FORMAT_G16R16: return D3DFMT_G16R16; break;
        case SURFACE_FORMAT_A8L8: return D3DFMT_A8L8; break;
        case SURFACE_FORMAT_A32B32G32R32F: return D3DFMT_A32B32G32R32F; break;
        case SURFACE_FORMAT_A16B16G16R16F: return D3DFMT_A16B16G16R16F; break;
        case SURFACE_FORMAT_A16B16G16R16: return D3DFMT_A16B16G16R16; break;
        case SURFACE_FORMAT_A8B8G8R8: return D3DFMT_A8B8G8R8; break;
        case SURFACE_FORMAT_X8B8G8R8: return D3DFMT_X8B8G8R8; break;
        case SURFACE_FORMAT_A8R8G8B8: return D3DFMT_A8R8G8B8; break;
        case SURFACE_FORMAT_X8R8G8B8: return D3DFMT_X8R8G8B8; break;
        case SURFACE_FORMAT_NV12:
            return static_cast<D3DFORMAT>(MAKEFOURCC('N', 'V', '1', '2'));
            break;
        case SURFACE_FORMAT_YV12:
            return static_cast<D3DFORMAT>(MAKEFOURCC('Y', 'V', '1', '2'));
            break;
        default:
            log_error("SurfaceFormatToD3D(): unknown surface format!\n");
            return D3DFMT_R32F;
            break;
    }
}
#endif

bool DeviceCreate(cl_dx9_media_adapter_type_khr adapterType,
                  std::auto_ptr<CDeviceWrapper> &device)
{
    switch (adapterType)
    {
#if defined(_WIN32)
        case CL_ADAPTER_D3D9_KHR:
            device = std::auto_ptr<CDeviceWrapper>(new CD3D9Wrapper());
            break;
        case CL_ADAPTER_D3D9EX_KHR:
            device = std::auto_ptr<CDeviceWrapper>(new CD3D9ExWrapper());
            break;
        case CL_ADAPTER_DXVA_KHR:
            device = std::auto_ptr<CDeviceWrapper>(new CDXVAWrapper());
            break;
#endif
        default:
            log_error("DeviceCreate(): Unknown adapter type!\n");
            return false;
            break;
    }

    return device->Status();
}

bool SurfaceFormatCheck(cl_dx9_media_adapter_type_khr adapterType,
                        const CDeviceWrapper &device,
                        TSurfaceFormat surfaceFormat)
{
    switch (adapterType)
    {
#if defined(_WIN32)
        case CL_ADAPTER_D3D9_KHR:
        case CL_ADAPTER_D3D9EX_KHR:
        case CL_ADAPTER_DXVA_KHR: {
            D3DFORMAT d3dFormat = SurfaceFormatToD3D(surfaceFormat);
            LPDIRECT3D9 d3d9 = static_cast<LPDIRECT3D9>(device.D3D());
            D3DDISPLAYMODE d3ddm;
            d3d9->GetAdapterDisplayMode(device.AdapterIdx(), &d3ddm);

            if (FAILED(d3d9->CheckDeviceFormat(D3DADAPTER_DEFAULT,
                                               D3DDEVTYPE_HAL, d3ddm.Format, 0,
                                               D3DRTYPE_SURFACE, d3dFormat)))
                return false;
        }
        break;
#endif
        default:
            log_error("SurfaceFormatCheck(): Unknown adapter type!\n");
            return false;
            break;
    }

    return true;
}

bool SurfaceFormatToOCL(TSurfaceFormat surfaceFormat, cl_image_format &format)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_R32F:
            format.image_channel_order = CL_R;
            format.image_channel_data_type = CL_FLOAT;
            break;
        case SURFACE_FORMAT_R16F:
            format.image_channel_order = CL_R;
            format.image_channel_data_type = CL_HALF_FLOAT;
            break;
        case SURFACE_FORMAT_L16:
            format.image_channel_order = CL_R;
            format.image_channel_data_type = CL_UNORM_INT16;
            break;
        case SURFACE_FORMAT_A8:
            format.image_channel_order = CL_A;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        case SURFACE_FORMAT_L8:
            format.image_channel_order = CL_R;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        case SURFACE_FORMAT_G32R32F:
            format.image_channel_order = CL_RG;
            format.image_channel_data_type = CL_FLOAT;
            break;
        case SURFACE_FORMAT_G16R16F:
            format.image_channel_order = CL_RG;
            format.image_channel_data_type = CL_HALF_FLOAT;
            break;
        case SURFACE_FORMAT_G16R16:
            format.image_channel_order = CL_RG;
            format.image_channel_data_type = CL_UNORM_INT16;
            break;
        case SURFACE_FORMAT_A8L8:
            format.image_channel_order = CL_RG;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        case SURFACE_FORMAT_A32B32G32R32F:
            format.image_channel_order = CL_RGBA;
            format.image_channel_data_type = CL_FLOAT;
            break;
        case SURFACE_FORMAT_A16B16G16R16F:
            format.image_channel_order = CL_RGBA;
            format.image_channel_data_type = CL_HALF_FLOAT;
            break;
        case SURFACE_FORMAT_A16B16G16R16:
            format.image_channel_order = CL_RGBA;
            format.image_channel_data_type = CL_UNORM_INT16;
            break;
        case SURFACE_FORMAT_A8B8G8R8:
            format.image_channel_order = CL_RGBA;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        case SURFACE_FORMAT_X8B8G8R8:
            format.image_channel_order = CL_RGBA;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        case SURFACE_FORMAT_A8R8G8B8:
            format.image_channel_order = CL_BGRA;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        case SURFACE_FORMAT_X8R8G8B8:
            format.image_channel_order = CL_BGRA;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        case SURFACE_FORMAT_NV12:
            format.image_channel_order = CL_R;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        case SURFACE_FORMAT_YV12:
            format.image_channel_order = CL_R;
            format.image_channel_data_type = CL_UNORM_INT8;
            break;
        default:
            log_error("SurfaceFormatToOCL(): Unknown surface format!\n");
            return false;
            break;
    }

    return true;
}

void SurfaceFormatToString(TSurfaceFormat surfaceFormat, std::string &str)
{
    switch (surfaceFormat)
    {
        case SURFACE_FORMAT_R32F: str = "R32F"; break;
        case SURFACE_FORMAT_R16F: str = "R16F"; break;
        case SURFACE_FORMAT_L16: str = "L16"; break;
        case SURFACE_FORMAT_A8: str = "A8"; break;
        case SURFACE_FORMAT_L8: str = "L8"; break;
        case SURFACE_FORMAT_G32R32F: str = "G32R32F"; break;
        case SURFACE_FORMAT_G16R16F: str = "G16R16F"; break;
        case SURFACE_FORMAT_G16R16: str = "G16R16"; break;
        case SURFACE_FORMAT_A8L8: str = "A8L8"; break;
        case SURFACE_FORMAT_A32B32G32R32F: str = "A32B32G32R32F"; break;
        case SURFACE_FORMAT_A16B16G16R16F: str = "A16B16G16R16F"; break;
        case SURFACE_FORMAT_A16B16G16R16: str = "A16B16G16R16"; break;
        case SURFACE_FORMAT_A8B8G8R8: str = "A8B8G8R8"; break;
        case SURFACE_FORMAT_X8B8G8R8: str = "X8B8G8R8"; break;
        case SURFACE_FORMAT_A8R8G8B8: str = "A8R8G8B8"; break;
        case SURFACE_FORMAT_X8R8G8B8: str = "X8R8G8B8"; break;
        case SURFACE_FORMAT_NV12: str = "NV12"; break;
        case SURFACE_FORMAT_YV12: str = "YV12"; break;
        default:
            log_error("SurfaceFormatToString(): unknown surface format!\n");
            str = "unknown";
            break;
    }
}

bool MediaSurfaceCreate(cl_dx9_media_adapter_type_khr adapterType,
                        unsigned int width, unsigned int height,
                        TSurfaceFormat surfaceFormat, CDeviceWrapper &device,
                        std::auto_ptr<CSurfaceWrapper> &surface,
                        bool sharedHandle, void **objectSharedHandle)
{
    switch (adapterType)
    {
#if defined(_WIN32)
        case CL_ADAPTER_D3D9_KHR: {
            surface =
                std::auto_ptr<CD3D9SurfaceWrapper>(new CD3D9SurfaceWrapper);
            CD3D9SurfaceWrapper *d3dSurface =
                static_cast<CD3D9SurfaceWrapper *>(surface.get());
            HRESULT hr = 0;
            D3DFORMAT d3dFormat = SurfaceFormatToD3D(surfaceFormat);
            LPDIRECT3DDEVICE9 d3d9Device = (LPDIRECT3DDEVICE9)device.Device();
            hr = d3d9Device->CreateOffscreenPlainSurface(
                width, height, d3dFormat, D3DPOOL_DEFAULT, &(*d3dSurface),
                sharedHandle ? objectSharedHandle : 0);

            if (FAILED(hr))
            {
                log_error("CreateOffscreenPlainSurface failed\n");
                return false;
            }
        }
        break;
        case CL_ADAPTER_D3D9EX_KHR: {
            surface =
                std::auto_ptr<CD3D9SurfaceWrapper>(new CD3D9SurfaceWrapper);
            CD3D9SurfaceWrapper *d3dSurface =
                static_cast<CD3D9SurfaceWrapper *>(surface.get());
            HRESULT hr = 0;
            D3DFORMAT d3dFormat = SurfaceFormatToD3D(surfaceFormat);
            LPDIRECT3DDEVICE9EX d3d9ExDevice =
                (LPDIRECT3DDEVICE9EX)device.Device();
            hr = d3d9ExDevice->CreateOffscreenPlainSurface(
                width, height, d3dFormat, D3DPOOL_DEFAULT, &(*d3dSurface),
                sharedHandle ? objectSharedHandle : 0);

            if (FAILED(hr))
            {
                log_error("CreateOffscreenPlainSurface failed\n");
                return false;
            }
        }
        break;
        case CL_ADAPTER_DXVA_KHR: {
            surface =
                std::auto_ptr<CD3D9SurfaceWrapper>(new CD3D9SurfaceWrapper);
            CD3D9SurfaceWrapper *d3dSurface =
                static_cast<CD3D9SurfaceWrapper *>(surface.get());
            HRESULT hr = 0;
            D3DFORMAT d3dFormat = SurfaceFormatToD3D(surfaceFormat);
            IDXVAHD_Device *dxvaDevice = (IDXVAHD_Device *)device.Device();
            hr = dxvaDevice->CreateVideoSurface(
                width, height, d3dFormat, D3DPOOL_DEFAULT, 0,
                DXVAHD_SURFACE_TYPE_VIDEO_INPUT, 1, &(*d3dSurface),
                sharedHandle ? objectSharedHandle : 0);

            if (FAILED(hr))
            {
                log_error("CreateVideoSurface failed\n");
                return false;
            }
        }
        break;
#endif
        default:
            log_error("MediaSurfaceCreate(): Unknown adapter type!\n");
            return false;
            break;
    }

    return true;
}

cl_int deviceExistForCLTest(
    cl_platform_id platform, cl_dx9_media_adapter_type_khr media_adapters_type,
    void *media_adapters, CResult &result,
    TSharedHandleType sharedHandle /*default SHARED_HANDLE_ENABLED*/
)
{
    cl_int _error;
    cl_uint devicesAllNum = 0;
    std::string sharedHandleStr =
        (sharedHandle == SHARED_HANDLE_ENABLED) ? "yes" : "no";
    std::string adapterStr;
    AdapterToString(media_adapters_type, adapterStr);

    _error = clGetDeviceIDsFromDX9MediaAdapterKHR(
        platform, 1, &media_adapters_type, &media_adapters,
        CL_PREFERRED_DEVICES_FOR_DX9_MEDIA_ADAPTER_KHR, 0, 0, &devicesAllNum);

    if (_error != CL_SUCCESS)
    {
        if (_error != CL_DEVICE_NOT_FOUND)
        {
            log_error("clGetDeviceIDsFromDX9MediaAdapterKHR failed: %s\n",
                      IGetErrorString(_error));
            result.ResultSub(CResult::TEST_ERROR);
        }
        else
        {
            log_info("Skipping test case, device type is not supported by a "
                     "device (adapter type: %s, shared handle: %s)\n",
                     adapterStr.c_str(), sharedHandleStr.c_str());
            result.ResultSub(CResult::TEST_NOTSUPPORTED);
        }
    }

    return _error;
}