// Copyright 2017 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/CommandBuffer.h"

#include "dawn_native/CommandEncoder.h"
#include "dawn_native/Texture.h"

namespace dawn_native {

    CommandBufferBase::CommandBufferBase(DeviceBase* device, CommandEncoderBase* encoder)
        : ObjectBase(device), mResourceUsages(encoder->AcquireResourceUsages()) {
    }

    CommandBufferBase::CommandBufferBase(DeviceBase* device, ObjectBase::ErrorTag tag)
        : ObjectBase(device, tag) {
    }

    // static
    CommandBufferBase* CommandBufferBase::MakeError(DeviceBase* device) {
        return new CommandBufferBase(device, ObjectBase::kError);
    }

    const CommandBufferResourceUsage& CommandBufferBase::GetResourceUsages() const {
        return mResourceUsages;
    }

    bool IsCompleteSubresourceCopiedTo(const TextureBase* texture,
                                       const Extent3D copySize,
                                       const uint32_t mipLevel) {
        if (texture->GetSize().depth == copySize.depth &&
            (texture->GetSize().width >> mipLevel) == copySize.width &&
            (texture->GetSize().height >> mipLevel) == copySize.height) {
            return true;
        }
        return false;
    }
}  // namespace dawn_native