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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 "WebGPUBufferBindingLayout.h"
#include "WebGPUExternalTextureBindingLayout.h"
#include "WebGPUSamplerBindingLayout.h"
#include "WebGPUStorageTextureBindingLayout.h"
#include "WebGPUTextureBindingLayout.h"
#include <optional>
#include <pal/graphics/WebGPU/WebGPUIntegralTypes.h>
#include <pal/graphics/WebGPU/WebGPUShaderStage.h>
namespace WebKit::WebGPU {
struct BindGroupLayoutEntry {
PAL::WebGPU::Index32 binding { 0 };
PAL::WebGPU::ShaderStageFlags visibility;
std::optional<BufferBindingLayout> buffer;
std::optional<SamplerBindingLayout> sampler;
std::optional<TextureBindingLayout> texture;
std::optional<StorageTextureBindingLayout> storageTexture;
std::optional<ExternalTextureBindingLayout> externalTexture;
template<class Encoder> void encode(Encoder& encoder) const
{
encoder << binding;
encoder << visibility;
encoder << buffer;
encoder << sampler;
encoder << texture;
encoder << storageTexture;
encoder << externalTexture;
}
template<class Decoder> static std::optional<BindGroupLayoutEntry> decode(Decoder& decoder)
{
std::optional<PAL::WebGPU::Index32> binding;
decoder >> binding;
if (!binding)
return std::nullopt;
std::optional<PAL::WebGPU::ShaderStageFlags> visibility;
decoder >> visibility;
if (!visibility)
return std::nullopt;
std::optional<std::optional<BufferBindingLayout>> buffer;
decoder >> buffer;
if (!buffer)
return std::nullopt;
std::optional<std::optional<SamplerBindingLayout>> sampler;
decoder >> sampler;
if (!sampler)
return std::nullopt;
std::optional<std::optional<TextureBindingLayout>> texture;
decoder >> texture;
if (!texture)
return std::nullopt;
std::optional<std::optional<StorageTextureBindingLayout>> storageTexture;
decoder >> storageTexture;
if (!storageTexture)
return std::nullopt;
std::optional<std::optional<ExternalTextureBindingLayout>> externalTexture;
decoder >> externalTexture;
if (!externalTexture)
return std::nullopt;
return { { WTFMove(*binding), WTFMove(*visibility), WTFMove(*buffer), WTFMove(*sampler), WTFMove(*texture), WTFMove(*storageTexture), WTFMove(*externalTexture) } };
}
};
} // namespace WebKit::WebGPU
#endif // ENABLE(GPU_PROCESS)
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