/*
 * Copyright (C) 2018-2020 Intel Corporation
 *
 * SPDX-License-Identifier: MIT
 *
 */

#include "shared/source/command_stream/command_stream_receiver.h"
#include "shared/source/device/device.h"
#include "shared/source/helpers/get_info.h"
#include "shared/source/helpers/timestamp_packet.h"

#include "opencl/extensions/public/cl_gl_private_intel.h"
#include "opencl/source/context/context.h"
#include "opencl/source/event/async_events_handler.h"
#include "opencl/source/event/event_builder.h"
#include "opencl/source/platform/platform.h"
#include "opencl/source/sharings/gl/gl_context_guard.h"
#include "opencl/source/sharings/gl/gl_sync_event.h"
#include "opencl/source/sharings/gl/windows/gl_sharing_windows.h"

namespace NEO {
GlSyncEvent::GlSyncEvent(Context &context, const GL_CL_SYNC_INFO &sync)
    : Event(&context, nullptr, CL_COMMAND_GL_FENCE_SYNC_OBJECT_KHR, CompletionStamp::levelNotReady, CompletionStamp::levelNotReady),
      glSync(std::make_unique<GL_CL_SYNC_INFO>(sync)) {
    transitionExecutionStatus(CL_SUBMITTED);
}

GlSyncEvent::~GlSyncEvent() {
    ctx->getSharing<GLSharingFunctionsWindows>()->releaseSync(glSync->pSync);
}

GlSyncEvent *GlSyncEvent::create(Context &context, cl_GLsync sync, cl_int *errCode) {
    GLContextGuard guard(*context.getSharing<GLSharingFunctionsWindows>());

    ErrorCodeHelper err(errCode, CL_SUCCESS);
    GL_CL_SYNC_INFO syncInfo = {sync, nullptr};

    context.getSharing<GLSharingFunctionsWindows>()->retainSync(&syncInfo);
    DEBUG_BREAK_IF(!syncInfo.pSync);

    EventBuilder eventBuilder;
    eventBuilder.create<GlSyncEvent>(context, syncInfo);
    return static_cast<GlSyncEvent *>(eventBuilder.finalizeAndRelease());
}

void GlSyncEvent::updateExecutionStatus() {
    GLContextGuard guard(*ctx->getSharing<GLSharingFunctionsWindows>());
    int retVal = 0;

    ctx->getSharing<GLSharingFunctionsWindows>()->getSynciv(glSync->pSync, GL_SYNC_STATUS, &retVal);
    if (retVal == GL_SIGNALED) {
        setStatus(CL_COMPLETE);
    }
}

uint32_t GlSyncEvent::getTaskLevel() {
    if (peekExecutionStatus() == CL_COMPLETE) {
        return 0;
    }
    return CompletionStamp::levelNotReady;
}
} // namespace NEO