/*
 * Copyright (c) 2017, Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * 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,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#include "runtime/sharings/d3d/d3d_sharing.h"
#include "runtime/context/context.h"
#include "runtime/mem_obj/image.h"
#include "runtime/gmm_helper/gmm_helper.h"

using namespace OCLRT;

template class D3DSharing<D3DTypesHelper::D3D9>;
template class D3DSharing<D3DTypesHelper::D3D10>;
template class D3DSharing<D3DTypesHelper::D3D11>;

template <typename D3D>
D3DSharing<D3D>::D3DSharing(Context *context, D3DResource *resource, D3DResource *resourceStaging, unsigned int subresource, bool sharedResource)
    : sharedResource(sharedResource), subresource(subresource), resource(resource), resourceStaging(resourceStaging), context(context) {
    sharingFunctions = context->getSharing<D3DSharingFunctions<D3D>>();
    sharingFunctions->addRef(resource);
    sharingFunctions->createQuery(&this->d3dQuery);
    sharingFunctions->track(resource, subresource);
};

template <typename D3D>
D3DSharing<D3D>::~D3DSharing() {
    sharingFunctions->untrack(resource, subresource);
    if (!sharedResource) {
        sharingFunctions->release(resourceStaging);
    }
    sharingFunctions->release(resource);
    sharingFunctions->release(d3dQuery);
};

template <typename D3D>
void D3DSharing<D3D>::synchronizeObject(UpdateData *updateData) {
    void *sharedHandle = nullptr;

    sharingFunctions->getDeviceContext(d3dQuery);
    if (!sharedResource) {
        sharingFunctions->copySubresourceRegion(resourceStaging, 0, resource, subresource);
        sharingFunctions->flushAndWait(d3dQuery);
    } else if (!context->getInteropUserSyncEnabled()) {
        sharingFunctions->flushAndWait(d3dQuery);
    }
    sharingFunctions->releaseDeviceContext(d3dQuery);

    updateData->synchronizationStatus = SynchronizeStatus::ACQUIRE_SUCCESFUL;
}

template <typename D3D>
void D3DSharing<D3D>::releaseResource(MemObj *memObject) {
    if (!sharedResource) {
        sharingFunctions->getDeviceContext(d3dQuery);
        sharingFunctions->copySubresourceRegion(resource, subresource, resourceStaging, 0);
        if (!context->getInteropUserSyncEnabled()) {
            sharingFunctions->flushAndWait(d3dQuery);
        }
        sharingFunctions->releaseDeviceContext(d3dQuery);
    }
}

template <typename D3D>
void D3DSharing<D3D>::updateImgInfo(Gmm *gmm, ImageInfo &imgInfo, cl_image_desc &imgDesc, OCLPlane oclPlane, cl_uint arrayIndex) {

    gmm->updateImgInfo(imgInfo, imgDesc, arrayIndex);

    if (oclPlane == OCLPlane::PLANE_U || oclPlane == OCLPlane::PLANE_V || oclPlane == OCLPlane::PLANE_UV) {
        imgDesc.image_width /= 2;
        imgDesc.image_height /= 2;
        if (oclPlane != OCLPlane::PLANE_UV) {
            imgDesc.image_row_pitch /= 2;
        }
    }
}

template <typename D3D>
const SurfaceFormatInfo *D3DSharing<D3D>::findSurfaceFormatInfo(GMM_RESOURCE_FORMAT_ENUM gmmFormat, cl_mem_flags flags) {
    const SurfaceFormatInfo *surfaceFormatTable = nullptr;
    const SurfaceFormatInfo *surfaceFormatInfo = nullptr;
    size_t numSurfaceFormats = 0;

    if ((flags & CL_MEM_READ_ONLY) == CL_MEM_READ_ONLY) {
        surfaceFormatTable = readOnlySurfaceFormats;
        numSurfaceFormats = numReadOnlySurfaceFormats;
    } else if ((flags & CL_MEM_WRITE_ONLY) == CL_MEM_WRITE_ONLY) {
        surfaceFormatTable = writeOnlySurfaceFormats;
        numSurfaceFormats = numWriteOnlySurfaceFormats;
    } else {
        surfaceFormatTable = readWriteSurfaceFormats;
        numSurfaceFormats = numReadWriteSurfaceFormats;
    }

    for (size_t i = 0; i < numSurfaceFormats; i++) {
        if (gmmFormat == surfaceFormatTable[i].GMMSurfaceFormat) {
            surfaceFormatInfo = &surfaceFormatTable[i];
            break;
        }
    }
    return surfaceFormatInfo;
}