Source/WebKit/Shared/WebGPU/WebGPUBindGroupLayoutDescriptor.cpp

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
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#include "config.h"
#include "WebGPUBindGroupLayoutDescriptor.h"

#if ENABLE(GPU_PROCESS)

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

namespace WebKit::WebGPU {

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

    Vector<BindGroupLayoutEntry> entries;
    entries.reserveInitialCapacity(bindGroupLayoutDescriptor.entries.size());
    for (const auto& entry : bindGroupLayoutDescriptor.entries) {
        auto convertedEntry = convertToBacking(entry);
        if (!convertedEntry)
            return std::nullopt;
        entries.uncheckedAppend(WTFMove(*convertedEntry));
    }

    return { { WTFMove(*base), WTFMove(entries) } };
}

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

    Vector<PAL::WebGPU::BindGroupLayoutEntry> entries;
    entries.reserveInitialCapacity(bindGroupLayoutDescriptor.entries.size());
    for (const auto& backingEntry : bindGroupLayoutDescriptor.entries) {
        auto entry = convertFromBacking(backingEntry);
        if (!entry)
            return std::nullopt;
        entries.uncheckedAppend(WTFMove(*entry));
    }

    return { { WTFMove(*base), WTFMove(entries) } };
}

} // namespace WebKit

#endif // ENABLE(GPU_PROCESS)