Source/WebKit/Shared/WebGPU/WebGPUBlendState.cpp

/*
 * Copyright (C) 2021 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
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 * 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. AND ITS CONTRIBUTORS ``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 ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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#include "config.h"
#include "WebGPUBlendState.h"

#if ENABLE(GPU_PROCESS)

#include "WebGPUConvertFromBackingContext.h"
#include "WebGPUConvertToBackingContext.h"
#include <pal/graphics/WebGPU/WebGPUBlendState.h>

namespace WebKit::WebGPU {

std::optional<BlendState> ConvertToBackingContext::convertToBacking(const PAL::WebGPU::BlendState& blendState)
{
    auto color = convertToBacking(blendState.color);
    if (!color)
        return std::nullopt;

    auto alpha = convertToBacking(blendState.alpha);
    if (!alpha)
        return std::nullopt;

    return { { WTFMove(*color), WTFMove(*alpha) } };
}

std::optional<PAL::WebGPU::BlendState> ConvertFromBackingContext::convertFromBacking(const BlendState& blendState)
{
    auto color = convertFromBacking(blendState.color);
    if (!color)
        return std::nullopt;

    auto alpha = convertFromBacking(blendState.alpha);
    if (!alpha)
        return std::nullopt;

    return { { WTFMove(*color), WTFMove(*alpha) } };
}

} // namespace WebKit

#endif // ENABLE(GPU_PROCESS)