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/*
* Copyright (C) 2018 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
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if ENABLE(WEBGPU)
#include "GPUBindGroupLayoutDescriptor.h"
#include <wtf/HashMap.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>
#include <wtf/RetainPtr.h>
#if USE(METAL)
OBJC_PROTOCOL(MTLArgumentEncoder);
OBJC_PROTOCOL(MTLBuffer);
#endif // USE(METAL)
namespace WebCore {
class GPUDevice;
class GPUBindGroupLayout : public RefCounted<GPUBindGroupLayout> {
public:
static RefPtr<GPUBindGroupLayout> tryCreate(const GPUDevice&, const GPUBindGroupLayoutDescriptor&);
using BindingsMapType = HashMap<uint64_t, GPUBindGroupLayoutBinding, WTF::IntHash<uint64_t>, WTF::UnsignedWithZeroKeyHashTraits<uint64_t>>;
const BindingsMapType& bindingsMap() const { return m_bindingsMap; }
#if USE(METAL)
MTLArgumentEncoder *vertexEncoder() const { return m_vertexEncoder.get(); }
MTLArgumentEncoder *fragmentEncoder() const { return m_fragmentEncoder.get(); }
MTLArgumentEncoder *computeEncoder() const { return m_computeEncoder.get(); }
#endif // USE(METAL)
private:
#if USE(METAL)
GPUBindGroupLayout(BindingsMapType&&, RetainPtr<MTLArgumentEncoder>&& vertex, RetainPtr<MTLArgumentEncoder>&& fragment, RetainPtr<MTLArgumentEncoder>&& compute);
RetainPtr<MTLArgumentEncoder> m_vertexEncoder;
RetainPtr<MTLArgumentEncoder> m_fragmentEncoder;
RetainPtr<MTLArgumentEncoder> m_computeEncoder;
#endif // USE(METAL)
const BindingsMapType m_bindingsMap;
};
} // namespace WebCore
#endif // ENABLE(WEBGPU)