Source/WebCore/platform/graphics/cocoa/GPUDepthStencilStateMetal.mm

/*
 * 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
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 */

#import "config.h"
#import "GPUDepthStencilState.h"

#if ENABLE(WEBGPU)

#import "GPUDepthStencilDescriptor.h"
#import "GPUDevice.h"
#import "Logging.h"

#import <Metal/Metal.h>

namespace WebCore {

GPUDepthStencilState::GPUDepthStencilState(GPUDevice* device, GPUDepthStencilDescriptor* descriptor)
{
    LOG(WebGPU, "GPUDepthStencilState::GPUDepthStencilState()");

    if (!device || !device->platformDevice() || !descriptor || !descriptor->platformDepthStencilDescriptor())
        return;

    m_depthStencilState = adoptNS((MTLDepthStencilState *)[device->platformDevice() newDepthStencilStateWithDescriptor:descriptor->platformDepthStencilDescriptor()]);
}

String GPUDepthStencilState::label() const
{
    if (!m_depthStencilState)
        return emptyString();

    return [m_depthStencilState label];
}

void GPUDepthStencilState::setLabel(const String& label)
{
    ASSERT(m_depthStencilState);
    [m_depthStencilState setLabel:label];
}
    
MTLDepthStencilState *GPUDepthStencilState::platformDepthStencilState()
{
    return m_depthStencilState.get();
}

} // namespace WebCore

#endif