Source/WebCore/Modules/WebGPU/GPUProgrammableStage.h

/*
 * 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
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    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
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#pragma once

#include "GPUShaderModule.h"
#include <pal/graphics/WebGPU/WebGPUProgrammableStage.h>
#include <wtf/KeyValuePair.h>
#include <wtf/RefPtr.h>
#include <wtf/Vector.h>

namespace WebCore {

using GPUPipelineConstantValue = double; // May represent WGSL’s bool, f32, i32, u32.

struct GPUProgrammableStage {
    PAL::WebGPU::ProgrammableStage convertToBacking() const
    {
        ASSERT(module);
        return {
            module->backing(),
            entryPoint,
            constants,
        };
    }

    GPUShaderModule* module { nullptr };
    String entryPoint;
    Vector<KeyValuePair<String, GPUPipelineConstantValue>> constants;
};

}