Source/WebKit/Shared/WebGPU/WebGPUTextureDescriptor.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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 *    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 "WebGPUTextureDescriptor.h"

#if ENABLE(GPU_PROCESS)

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

namespace WebKit::WebGPU {

std::optional<TextureDescriptor> ConvertToBackingContext::convertToBacking(const PAL::WebGPU::TextureDescriptor& textureDescriptor)
{
    auto base = convertToBacking(static_cast<const PAL::WebGPU::ObjectDescriptorBase&>(textureDescriptor));
    if (!base)
        return std::nullopt;

    auto size = convertToBacking(textureDescriptor.size);
    if (!size)
        return std::nullopt;

    return { { WTFMove(*base), WTFMove(*size), textureDescriptor.mipLevelCount, textureDescriptor.sampleCount, textureDescriptor.dimension, textureDescriptor.format, textureDescriptor.usage } };
}

std::optional<PAL::WebGPU::TextureDescriptor> ConvertFromBackingContext::convertFromBacking(const TextureDescriptor& textureDescriptor)
{
    auto base = convertFromBacking(static_cast<const ObjectDescriptorBase&>(textureDescriptor));
    if (!base)
        return std::nullopt;

    auto size = convertFromBacking(textureDescriptor.size);
    if (!size)
        return std::nullopt;

    return { { WTFMove(*base), WTFMove(*size), textureDescriptor.mipLevelCount, textureDescriptor.sampleCount, textureDescriptor.dimension, textureDescriptor.format, textureDescriptor.usage } };
}

} // namespace WebKit

#endif // ENABLE(GPU_PROCESS)