Source/WebKit/Shared/WebGPU/WebGPUVertexBufferLayout.cpp

/*
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#include "config.h"
#include "WebGPUVertexBufferLayout.h"

#if ENABLE(GPU_PROCESS)

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

namespace WebKit::WebGPU {

std::optional<VertexBufferLayout> ConvertToBackingContext::convertToBacking(const PAL::WebGPU::VertexBufferLayout& vertexBufferLayout)
{
    Vector<VertexAttribute> attributes;
    attributes.reserveInitialCapacity(vertexBufferLayout.attributes.size());
    for (const auto& attribute : vertexBufferLayout.attributes) {
        auto convertedAttribute = convertToBacking(attribute);
        if (!convertedAttribute)
            return std::nullopt;
        attributes.uncheckedAppend(WTFMove(*convertedAttribute));
    }

    return { { vertexBufferLayout.arrayStride, vertexBufferLayout.stepMode, WTFMove(attributes) } };
}

std::optional<PAL::WebGPU::VertexBufferLayout> ConvertFromBackingContext::convertFromBacking(const VertexBufferLayout& vertexBufferLayout)
{
    Vector<PAL::WebGPU::VertexAttribute> attributes;
    attributes.reserveInitialCapacity(vertexBufferLayout.attributes.size());
    for (const auto& backingAttribute : vertexBufferLayout.attributes) {
        auto attribute = convertFromBacking(backingAttribute);
        if (!attribute)
            return std::nullopt;
        attributes.uncheckedAppend(WTFMove(*attribute));
    }

    return { { vertexBufferLayout.arrayStride, vertexBufferLayout.stepMode, WTFMove(attributes) } };
}

} // namespace WebKit

#endif // ENABLE(GPU_PROCESS)