Source/WebCore/Modules/WebGPU/GPUTextureUsage.h

/*
 * Copyright (C) 2021 Apple Inc. All rights reserved.
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 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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#pragma once

#include "GPUIntegralTypes.h"
#include <cstdint>
#include <pal/graphics/WebGPU/WebGPUTextureUsage.h>
#include <wtf/RefCounted.h>

namespace WebCore {

using GPUTextureUsageFlags = uint32_t;
class GPUTextureUsage : public RefCounted<GPUTextureUsage> {
public:
    static constexpr GPUFlagsConstant COPY_SRC          = 0x01;
    static constexpr GPUFlagsConstant COPY_DST          = 0x02;
    static constexpr GPUFlagsConstant TEXTURE_BINDING   = 0x04;
    static constexpr GPUFlagsConstant STORAGE_BINDING   = 0x08;
    static constexpr GPUFlagsConstant RENDER_ATTACHMENT = 0x10;
};

inline PAL::WebGPU::TextureUsageFlags convertTextureUsageFlagsToBacking(GPUTextureUsageFlags textureUsageFlags)
{
    PAL::WebGPU::TextureUsageFlags result;
    if (textureUsageFlags & GPUTextureUsage::COPY_SRC)
        result.add(PAL::WebGPU::TextureUsage::CopySource);
    if (textureUsageFlags & GPUTextureUsage::COPY_DST)
        result.add(PAL::WebGPU::TextureUsage::CopyDestination);
    if (textureUsageFlags & GPUTextureUsage::TEXTURE_BINDING)
        result.add(PAL::WebGPU::TextureUsage::TextureBinding);
    if (textureUsageFlags & GPUTextureUsage::STORAGE_BINDING)
        result.add(PAL::WebGPU::TextureUsage::StorageBinding);
    if (textureUsageFlags & GPUTextureUsage::RENDER_ATTACHMENT)
        result.add(PAL::WebGPU::TextureUsage::RenderAttachment);
    return result;
}

}