Source/WebCore/Modules/WebGPU/GPUPrimitiveState.h

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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#pragma once

#include "GPUCullMode.h"
#include "GPUFrontFace.h"
#include "GPUIndexFormat.h"
#include "GPUIntegralTypes.h"
#include "GPUPrimitiveTopology.h"
#include <optional>
#include <pal/graphics/WebGPU/WebGPUPrimitiveState.h>

namespace WebCore {

struct GPUPrimitiveState {
    PAL::WebGPU::PrimitiveState convertToBacking() const
    {
        return {
            WebCore::convertToBacking(topology),
            stripIndexFormat ? std::optional { WebCore::convertToBacking(*stripIndexFormat) } : std::nullopt,
            WebCore::convertToBacking(frontFace),
            WebCore::convertToBacking(cullMode),
            unclippedDepth,
        };
    }

    GPUPrimitiveTopology topology { GPUPrimitiveTopology::TriangleList };
    std::optional<GPUIndexFormat> stripIndexFormat;
    GPUFrontFace frontFace { GPUFrontFace::Ccw };
    GPUCullMode cullMode { GPUCullMode::None };

    // Requires "depth-clip-control" feature.
    bool unclippedDepth { false };
};

}