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95 lines
3 KiB
C++
95 lines
3 KiB
C++
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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//
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// Metal/MTLIOCompressor.hpp
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//
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// Copyright 2020-2023 Apple Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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#pragma once
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#include "MTLDefines.hpp"
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#include "MTLHeaderBridge.hpp"
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#include "MTLPrivate.hpp"
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#include "MTLDevice.hpp"
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#include <Foundation/Foundation.hpp>
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namespace MTL
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{
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using IOCompresionContext=void*;
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_MTL_ENUM(NS::Integer, IOCompressionStatus) {
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IOCompressionStatusComplete = 0,
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IOCompressionStatusError = 1,
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};
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size_t IOCompressionContextDefaultChunkSize();
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IOCompresionContext IOCreateCompressionContext(const char* path, IOCompressionMethod type, size_t chunkSize);
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void IOCompressionContextAppendData(IOCompresionContext context, const void* data, size_t size);
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IOCompressionStatus IOFlushAndDestroyCompressionContext(IOCompresionContext context);
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}
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#if defined(MTL_PRIVATE_IMPLEMENTATION)
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namespace MTL::Private {
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MTL_DEF_FUNC(MTLIOCompressionContextDefaultChunkSize, size_t (*)(void));
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MTL_DEF_FUNC( MTLIOCreateCompressionContext, void* (*)(const char*, MTL::IOCompressionMethod, size_t) );
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MTL_DEF_FUNC( MTLIOCompressionContextAppendData, void (*)(void*, const void*, size_t) );
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MTL_DEF_FUNC( MTLIOFlushAndDestroyCompressionContext, MTL::IOCompressionStatus (*)(void*) );
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}
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_NS_EXPORT size_t MTL::IOCompressionContextDefaultChunkSize()
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{
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return MTL::Private::MTLIOCompressionContextDefaultChunkSize();
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}
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_NS_EXPORT void* MTL::IOCreateCompressionContext(const char* path, IOCompressionMethod type, size_t chunkSize)
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{
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if ( MTL::Private::MTLIOCreateCompressionContext )
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{
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return MTL::Private::MTLIOCreateCompressionContext( path, type, chunkSize );
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}
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return nullptr;
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}
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_NS_EXPORT void MTL::IOCompressionContextAppendData(void* context, const void* data, size_t size)
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{
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if ( MTL::Private::MTLIOCompressionContextAppendData )
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{
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MTL::Private::MTLIOCompressionContextAppendData( context, data, size );
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}
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}
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_NS_EXPORT MTL::IOCompressionStatus MTL::IOFlushAndDestroyCompressionContext(void* context)
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{
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if ( MTL::Private::MTLIOFlushAndDestroyCompressionContext )
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{
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return MTL::Private::MTLIOFlushAndDestroyCompressionContext( context );
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}
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return MTL::IOCompressionStatusError;
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}
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#endif
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