/*
 * Copyright (C) 2017 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "config.h"
#include "WebMetalRenderPassDescriptor.h"

#if ENABLE(WEBMETAL)

namespace WebCore {

Ref<WebMetalRenderPassDescriptor> WebMetalRenderPassDescriptor::create()
{
    return adoptRef(*new WebMetalRenderPassDescriptor);
}

WebMetalRenderPassDescriptor::WebMetalRenderPassDescriptor() = default;

WebMetalRenderPassDescriptor::~WebMetalRenderPassDescriptor() = default;

WebMetalRenderPassDepthAttachmentDescriptor& WebMetalRenderPassDescriptor::depthAttachment()
{
    if (!m_depthAttachment)
        m_depthAttachment = WebMetalRenderPassDepthAttachmentDescriptor::create(m_descriptor.depthAttachment());
    return *m_depthAttachment;
}

const Vector<RefPtr<WebMetalRenderPassColorAttachmentDescriptor>>& WebMetalRenderPassDescriptor::colorAttachments()
{
    if (m_colorAttachments.isEmpty()) {
        auto attachments = m_descriptor.colorAttachments();
        ASSERT(!attachments.isEmpty());
        m_colorAttachments.reserveInitialCapacity(attachments.size());
        for (auto& attachment : attachments)
            m_colorAttachments.uncheckedAppend(WebMetalRenderPassColorAttachmentDescriptor::create(WTFMove(attachment)));
    }
    return m_colorAttachments;
}

} // namespace WebCore

#endif
