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/*
* 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
* 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(GPU_PROCESS)
#include "WebGPUBufferBinding.h"
#include "WebGPUIdentifier.h"
#include <cstdint>
#include <optional>
#include <pal/graphics/WebGPU/WebGPUIntegralTypes.h>
namespace WebKit::WebGPU {
enum class BindingResourceType : uint8_t {
Sampler,
TextureView,
BufferBinding,
ExternalTexture,
};
struct BindGroupEntry {
PAL::WebGPU::Index32 binding { 0 };
BufferBinding bufferBinding;
WebGPUIdentifier identifier;
BindingResourceType type { BindingResourceType::Sampler };
template<class Encoder> void encode(Encoder& encoder) const
{
encoder << binding;
encoder << bufferBinding;
encoder << identifier;
encoder << type;
}
template<class Decoder> static std::optional<BindGroupEntry> decode(Decoder& decoder)
{
std::optional<PAL::WebGPU::Index32> binding;
decoder >> binding;
if (!binding)
return std::nullopt;
std::optional<BufferBinding> bufferBinding;
decoder >> bufferBinding;
if (!bufferBinding)
return std::nullopt;
std::optional<WebGPUIdentifier> identifier;
decoder >> identifier;
if (!identifier)
return std::nullopt;
std::optional<BindingResourceType> type;
decoder >> type;
if (!type)
return std::nullopt;
return { { WTFMove(*binding), WTFMove(*bufferBinding), WTFMove(*identifier), WTFMove(*type) } };
}
};
} // namespace WebKit::WebGPU
namespace WTF {
template<> struct EnumTraits<WebKit::WebGPU::BindingResourceType> {
using values = EnumValues<
WebKit::WebGPU::BindingResourceType,
WebKit::WebGPU::BindingResourceType::Sampler,
WebKit::WebGPU::BindingResourceType::TextureView,
WebKit::WebGPU::BindingResourceType::BufferBinding,
WebKit::WebGPU::BindingResourceType::ExternalTexture
>;
};
} // namespace WTF
#endif // ENABLE(GPU_PROCESS)
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