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//-------------------------------------------------------------------------------------------------------------------------------------------------------------
//
// MetalFX/MTLFXPrivate.hpp
//
// Copyright 2020-2023 Apple Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
#pragma once
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
#include "MTLFXDefines.hpp"
#include <objc/runtime.h>
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
#define _MTLFX_PRIVATE_CLS( symbol ) ( Private::Class::s_k##symbol )
#define _MTLFX_PRIVATE_SEL( accessor ) ( Private::Selector::s_k##accessor )
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
#if defined( MTLFX_PRIVATE_IMPLEMENTATION )
#if defined( METALCPP_SYMBOL_VISIBILITY_HIDDEN )
#define _MTLFX_PRIVATE_VISIBILITY __attribute__( ( visibility("hidden" ) ) )
#else
#define _MTLFX_PRIVATE_VISIBILITY __attribute__( ( visibility("default" ) ) )
#endif // METALCPP_SYMBOL_VISIBILITY_HIDDEN
#define _MTLFX_PRIVATE_IMPORT __attribute__( ( weak_import ) )
#ifdef __OBJC__
#define _MTLFX_PRIVATE_OBJC_LOOKUP_CLASS( symbol ) ( ( __bridge void* ) objc_lookUpClass( #symbol ) )
#define _MTLFX_PRIVATE_OBJC_GET_PROTOCOL( symbol ) ( ( __bridge void* ) objc_getProtocol( #symbol ) )
#else
#define _MTLFX_PRIVATE_OBJC_LOOKUP_CLASS( symbol ) objc_lookUpClass(#symbol)
#define _MTLFX_PRIVATE_OBJC_GET_PROTOCOL( symbol ) objc_getProtocol(#symbol)
#endif // __OBJC__
#define _MTLFX_PRIVATE_DEF_CLS( symbol ) void* s_k##symbol _MTLFX_PRIVATE_VISIBILITY = _MTLFX_PRIVATE_OBJC_LOOKUP_CLASS( symbol )
#define _MTLFX_PRIVATE_DEF_PRO( symbol ) void* s_k##symbol _MTLFX_PRIVATE_VISIBILITY = _MTLFX_PRIVATE_OBJC_GET_PROTOCOL( symbol )
#define _MTLFX_PRIVATE_DEF_SEL( accessor, symbol ) SEL s_k##accessor _MTLFX_PRIVATE_VISIBILITY = sel_registerName( symbol )
#include <dlfcn.h>
#define MTLFX_DEF_FUNC( name, signature ) using Fn##name = signature; \
Fn##name name = reinterpret_cast< Fn##name >( dlsym( RTLD_DEFAULT, #name ) )
namespace MTLFX::Private
{
template <typename _Type>
inline _Type const LoadSymbol(const char* pSymbol)
{
const _Type* pAddress = static_cast<_Type*>(dlsym(RTLD_DEFAULT, pSymbol));
return pAddress ? *pAddress : nullptr;
}
} // MTLFX::Private
#if defined( __MAC_13_0 ) || defined( __MAC_14_0 ) || defined( __IPHONE_16_0 ) || defined( __IPHONE_17_0 ) || defined( __TVOS_16_0 ) || defined( __TVOS_17_0 )
#define _MTLFX_PRIVATE_DEF_STR( type, symbol ) \
_MTLFX_EXTERN type const MTLFX##symbol _MTLFX_PRIVATE_IMPORT; \
type const MTLFX::symbol = ( nullptr != &MTLFX##symbol ) ? MTLFX##ssymbol : nullptr
#define _MTLFX_PRIVATE_DEF_CONST( type, symbol ) \
_MTLFX_EXTERN type const MTLFX##ssymbol _MTLFX_PRIVATE_IMPORT; \
type const MTLFX::symbol = (nullptr != &MTLFX##ssymbol) ? MTLFX##ssymbol : nullptr
#define _MTLFX_PRIVATE_DEF_WEAK_CONST( type, symbol ) \
_MTLFX_EXTERN type const MTLFX##ssymbol; \
type const MTLFX::symbol = Private::LoadSymbol< type >( "MTLFX" #symbol )
#else
#define _MTLFX_PRIVATE_DEF_STR( type, symbol ) \
_MTLFX_EXTERN type const MTLFX##ssymbol; \
type const MTLFX::symbol = Private::LoadSymbol< type >( "MTLFX" #symbol )
#define _MTLFX_PRIVATE_DEF_CONST( type, symbol ) \
_MTLFX_EXTERN type const MTLFX##ssymbol; \
type const MTLFX::symbol = Private::LoadSymbol< type >( "MTLFX" #symbol )
#define _MTLFX_PRIVATE_DEF_WEAK_CONST( type, symbol ) _MTLFX_PRIVATE_DEF_CONST( type, symbol )
#endif // defined( __MAC_13_0 ) || defined( __MAC_14_0 ) || defined( __IPHONE_16_0 ) || defined( __IPHONE_17_0 ) || defined( __TVOS_16_0 ) || defined( __TVOS_17_0 )
#else
#define _MTLFX_PRIVATE_DEF_CLS( symbol ) extern void* s_k##symbol
#define _MTLFX_PRIVATE_DEF_PRO( symbol ) extern void* s_k##symbol
#define _MTLFX_PRIVATE_DEF_SEL( accessor, symbol ) extern SEL s_k##accessor
#define _MTLFX_PRIVATE_DEF_STR( type, symbol ) extern type const MTLFX::symbol
#define _MTLFX_PRIVATE_DEF_CONST( type, symbol ) extern type const MTLFX::symbol
#define _MTLFX_PRIVATE_DEF_WEAK_CONST( type, symbol ) extern type const MTLFX::symbol
#endif // MTLFX_PRIVATE_IMPLEMENTATION
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
namespace MTLFX
{
namespace Private
{
namespace Class
{
_MTLFX_PRIVATE_DEF_CLS( MTLFXSpatialScalerDescriptor );
_MTLFX_PRIVATE_DEF_CLS( MTLFXTemporalScalerDescriptor );
} // Class
} // Private
} // MTLFX
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
namespace MTLFX
{
namespace Private
{
namespace Protocol
{
_MTLFX_PRIVATE_DEF_PRO( MTLFXSpatialScaler );
_MTLFX_PRIVATE_DEF_PRO( MTLFXTemporalScaler );
} // Protocol
} // Private
} // MTLFX
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
namespace MTLFX
{
namespace Private
{
namespace Selector
{
_MTLFX_PRIVATE_DEF_SEL( colorProcessingMode,
"colorProcessingMode" );
_MTLFX_PRIVATE_DEF_SEL( colorTexture,
"colorTexture" );
_MTLFX_PRIVATE_DEF_SEL( colorTextureFormat,
"colorTextureFormat" );
_MTLFX_PRIVATE_DEF_SEL( colorTextureUsage,
"colorTextureUsage" );
_MTLFX_PRIVATE_DEF_SEL( depthTexture,
"depthTexture" );
_MTLFX_PRIVATE_DEF_SEL( depthTextureFormat,
"depthTextureFormat" );
_MTLFX_PRIVATE_DEF_SEL( depthTextureUsage,
"depthTextureUsage" );
_MTLFX_PRIVATE_DEF_SEL( encodeToCommandBuffer_,
"encodeToCommandBuffer:" );
_MTLFX_PRIVATE_DEF_SEL( exposureTexture,
"exposureTexture" );
_MTLFX_PRIVATE_DEF_SEL( fence,
"fence" );
_MTLFX_PRIVATE_DEF_SEL( inputContentHeight,
"inputContentHeight" );
_MTLFX_PRIVATE_DEF_SEL( inputContentMaxScale,
"inputContentMaxScale" );
_MTLFX_PRIVATE_DEF_SEL( inputContentMinScale,
"inputContentMinScale" );
_MTLFX_PRIVATE_DEF_SEL( inputContentWidth,
"inputContentWidth" );
_MTLFX_PRIVATE_DEF_SEL( inputHeight,
"inputHeight" );
_MTLFX_PRIVATE_DEF_SEL( inputWidth,
"inputWidth" );
_MTLFX_PRIVATE_DEF_SEL( isAutoExposureEnabled,
"isAutoExposureEnabled" );
_MTLFX_PRIVATE_DEF_SEL( isDepthReversed,
"isDepthReversed" );
_MTLFX_PRIVATE_DEF_SEL( isInputContentPropertiesEnabled,
"isInputContentPropertiesEnabled" );
_MTLFX_PRIVATE_DEF_SEL( jitterOffsetX,
"jitterOffsetX" );
_MTLFX_PRIVATE_DEF_SEL( jitterOffsetY,
"jitterOffsetY" );
_MTLFX_PRIVATE_DEF_SEL( motionTexture,
"motionTexture" );
_MTLFX_PRIVATE_DEF_SEL( motionTextureFormat,
"motionTextureFormat" );
_MTLFX_PRIVATE_DEF_SEL( motionTextureUsage,
"motionTextureUsage" );
_MTLFX_PRIVATE_DEF_SEL( motionVectorScaleX,
"motionVectorScaleX" );
_MTLFX_PRIVATE_DEF_SEL( motionVectorScaleY,
"motionVectorScaleY" );
_MTLFX_PRIVATE_DEF_SEL( newSpatialScalerWithDevice_,
"newSpatialScalerWithDevice:" );
_MTLFX_PRIVATE_DEF_SEL( newTemporalScalerWithDevice_,
"newTemporalScalerWithDevice:" );
_MTLFX_PRIVATE_DEF_SEL( outputHeight,
"outputHeight" );
_MTLFX_PRIVATE_DEF_SEL( outputTexture,
"outputTexture" );
_MTLFX_PRIVATE_DEF_SEL( outputTextureFormat,
"outputTextureFormat" );
_MTLFX_PRIVATE_DEF_SEL( outputTextureUsage,
"outputTextureUsage" );
_MTLFX_PRIVATE_DEF_SEL( outputWidth,
"outputWidth" );
_MTLFX_PRIVATE_DEF_SEL( preExposure,
"preExposure" );
_MTLFX_PRIVATE_DEF_SEL( reset,
"reset" );
_MTLFX_PRIVATE_DEF_SEL( setAutoExposureEnabled_,
"setAutoExposureEnabled:" );
_MTLFX_PRIVATE_DEF_SEL( setColorProcessingMode_,
"setColorProcessingMode:" );
_MTLFX_PRIVATE_DEF_SEL( setColorTexture_,
"setColorTexture:" );
_MTLFX_PRIVATE_DEF_SEL( setColorTextureFormat_,
"setColorTextureFormat:" );
_MTLFX_PRIVATE_DEF_SEL( setDepthReversed_,
"setDepthReversed:" );
_MTLFX_PRIVATE_DEF_SEL( setDepthTexture_,
"setDepthTexture:" );
_MTLFX_PRIVATE_DEF_SEL( setDepthTextureFormat_,
"setDepthTextureFormat:" );
_MTLFX_PRIVATE_DEF_SEL( setExposureTexture_,
"setExposureTexture:" );
_MTLFX_PRIVATE_DEF_SEL( setFence_,
"setFence:" );
_MTLFX_PRIVATE_DEF_SEL( setInputContentHeight_,
"setInputContentHeight:" );
_MTLFX_PRIVATE_DEF_SEL( setInputContentMaxScale_,
"setInputContentMaxScale:" );
_MTLFX_PRIVATE_DEF_SEL( setInputContentMinScale_,
"setInputContentMinScale:" );
_MTLFX_PRIVATE_DEF_SEL( setInputContentPropertiesEnabled_,
"setInputContentPropertiesEnabled:" );
_MTLFX_PRIVATE_DEF_SEL( setInputContentWidth_,
"setInputContentWidth_:" );
_MTLFX_PRIVATE_DEF_SEL( setInputHeight_,
"setInputHeight:" );
_MTLFX_PRIVATE_DEF_SEL( setInputWidth_,
"setInputWidth:" );
_MTLFX_PRIVATE_DEF_SEL( setJitterOffsetX_,
"setJitterOffsetX:" );
_MTLFX_PRIVATE_DEF_SEL( setJitterOffsetY_,
"setJitterOffsetY:" );
_MTLFX_PRIVATE_DEF_SEL( setMotionTexture_,
"setMotionTexture:" );
_MTLFX_PRIVATE_DEF_SEL( setMotionTextureFormat_,
"setMotionTextureFormat:" );
_MTLFX_PRIVATE_DEF_SEL( setMotionVectorScaleX_,
"setMotionVectorScaleX:" );
_MTLFX_PRIVATE_DEF_SEL( setMotionVectorScaleY_,
"setMotionVectorScaleY:" );
_MTLFX_PRIVATE_DEF_SEL( setOutputHeight_,
"setOutputHeight:" );
_MTLFX_PRIVATE_DEF_SEL( setOutputTexture_,
"setOutputTexture:" );
_MTLFX_PRIVATE_DEF_SEL( setOutputTextureFormat_,
"setOutputTextureFormat:" );
_MTLFX_PRIVATE_DEF_SEL( setOutputWidth_,
"setOutputWidth:" );
_MTLFX_PRIVATE_DEF_SEL( setPreExposure_,
"setPreExposure:" );
_MTLFX_PRIVATE_DEF_SEL( setReset_,
"setReset:" );
_MTLFX_PRIVATE_DEF_SEL( supportsDevice_,
"supportsDevice:" );
} // Selector
} // Private
} // MTLFX
//-------------------------------------------------------------------------------------------------------------------------------------------------------------
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