// Copyright 2018 The Dawn Authors
//
// 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 "dawn/native/metal/QueueMTL.h"

#include "dawn/common/Math.h"
#include "dawn/native/Buffer.h"
#include "dawn/native/CommandValidation.h"
#include "dawn/native/Commands.h"
#include "dawn/native/DynamicUploader.h"
#include "dawn/native/metal/CommandBufferMTL.h"
#include "dawn/native/metal/DeviceMTL.h"
#include "dawn/platform/DawnPlatform.h"
#include "dawn/platform/tracing/TraceEvent.h"

namespace dawn::native::metal {

Queue::Queue(Device* device, const QueueDescriptor* descriptor) : QueueBase(device, descriptor) {}

Queue::~Queue() = default;

MaybeError Queue::SubmitImpl(uint32_t commandCount, CommandBufferBase* const* commands) {
    @autoreleasepool {
        Device* device = ToBackend(GetDevice());

        CommandRecordingContext* commandContext = device->GetPendingCommandContext();

        TRACE_EVENT_BEGIN0(GetDevice()->GetPlatform(), Recording, "CommandBufferMTL::FillCommands");
        for (uint32_t i = 0; i < commandCount; ++i) {
            DAWN_TRY(ToBackend(commands[i])->FillCommands(commandContext));
        }
        TRACE_EVENT_END0(GetDevice()->GetPlatform(), Recording, "CommandBufferMTL::FillCommands");

        DAWN_TRY(device->SubmitPendingCommandBuffer());

        return {};
    }
}

bool Queue::HasPendingCommands() const {
    return ToBackend(GetDevice())->HasPendingCommands();
}

ResultOrError<ExecutionSerial> Queue::CheckAndUpdateCompletedSerials() {
    return ToBackend(GetDevice())->CheckAndUpdateCompletedSerials();
}

void Queue::ForceEventualFlushOfCommands() {
    return ToBackend(GetDevice())->ForceEventualFlushOfCommands();
}

MaybeError Queue::WaitForIdleForDestruction() {
    return ToBackend(GetDevice())->WaitForIdleForDestruction();
}

}  // namespace dawn::native::metal