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/* Copyright 2015 Egor Yusov
*
* 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
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF ANY PROPRIETARY RIGHTS.
*
* In no event and under no legal theory, whether in tort (including negligence),
* contract, or otherwise, unless required by applicable law (such as deliberate
* and grossly negligent acts) or agreed to in writing, shall any Contributor be
* liable for any damages, including any direct, indirect, special, incidental,
* or consequential damages of any character arising as a result of this License or
* out of the use or inability to use the software (including but not limited to damages
* for loss of goodwill, work stoppage, computer failure or malfunction, or any and
* all other commercial damages or losses), even if such Contributor has been advised
* of the possibility of such damages.
*/
#include "pch.h"
#include "DepthStencilStateParser.h"
namespace std
{
DEFINE_ENUM_HASH( Diligent::STENCIL_OP )
}
namespace Diligent
{
const Char* DepthStencilStateParser::DepthStencilStateLibName = "DepthStencilState";
template<>
class MemberBinder<StencilOpDesc> : public MemberBinderBase
{
public:
MemberBinder( size_t MemberOffset, size_t Dummy ) :
MemberBinderBase( MemberOffset )
{
DEFINE_ENUM_ELEMENT_MAPPING( m_StencilOpEnumMapping, STENCIL_OP_KEEP );
DEFINE_ENUM_ELEMENT_MAPPING( m_StencilOpEnumMapping, STENCIL_OP_ZERO );
DEFINE_ENUM_ELEMENT_MAPPING( m_StencilOpEnumMapping, STENCIL_OP_REPLACE );
DEFINE_ENUM_ELEMENT_MAPPING( m_StencilOpEnumMapping, STENCIL_OP_INCR_SAT );
DEFINE_ENUM_ELEMENT_MAPPING( m_StencilOpEnumMapping, STENCIL_OP_DECR_SAT );
DEFINE_ENUM_ELEMENT_MAPPING( m_StencilOpEnumMapping, STENCIL_OP_INVERT );
DEFINE_ENUM_ELEMENT_MAPPING( m_StencilOpEnumMapping, STENCIL_OP_INCR_WRAP );
DEFINE_ENUM_ELEMENT_MAPPING( m_StencilOpEnumMapping, STENCIL_OP_DECR_WRAP );
VERIFY( m_StencilOpEnumMapping.m_Str2ValMap.size() == STENCIL_OP_NUM_OPS - 1,
"Unexpected map size. Did you update STENCIL_OP enum?" );
VERIFY( m_StencilOpEnumMapping.m_Val2StrMap.size() == STENCIL_OP_NUM_OPS - 1,
"Unexpected map size. Did you update STENCIL_OP enum?" );
DEFINE_ENUM_BINDER( m_Bindings, StencilOpDesc, StencilFailOp, STENCIL_OP, m_StencilOpEnumMapping )
DEFINE_ENUM_BINDER( m_Bindings, StencilOpDesc, StencilDepthFailOp, STENCIL_OP, m_StencilOpEnumMapping )
DEFINE_ENUM_BINDER( m_Bindings, StencilOpDesc, StencilPassOp, STENCIL_OP, m_StencilOpEnumMapping )
DEFINE_ENUM_BINDER( m_Bindings, StencilOpDesc, StencilFunc, COMPARISON_FUNCTION, m_CmpFuncEnumMapping )
}
virtual void GetValue( lua_State *L, const void* pBasePointer )
{
const auto &StOpDesc = GetMemberByOffest< StencilOpDesc >(pBasePointer, m_MemberOffset);
PushLuaTable( L, &StOpDesc, m_Bindings );
}
virtual void SetValue( lua_State *L, int Index, void* pBasePointer )
{
auto &StOpDesc = GetMemberByOffest< StencilOpDesc >( pBasePointer, m_MemberOffset );
ParseLuaTable( L, Index, &StOpDesc, m_Bindings );
}
private:
BindingsMapType m_Bindings;
ComparisonFuncEnumMapping m_CmpFuncEnumMapping;
EnumMapping < STENCIL_OP > m_StencilOpEnumMapping;
};
DepthStencilStateParser::DepthStencilStateParser( IRenderDevice *pRenderDevice, lua_State *L ) :
EngineObjectParserCommon<IDepthStencilState>( pRenderDevice, L, DepthStencilStateLibName ),
m_SetDepthStencilBinding( this, L, "Context", "SetDepthStencilState", &DepthStencilStateParser::SetDepthStencilState )
{
DEFINE_BUFFERED_STRING_BINDER( m_Bindings, SDSSDescWrapper, Name, NameBuffer )
DEFINE_BINDER( m_Bindings, SDSSDescWrapper, DepthEnable, Bool, Validator<Bool>() )
DEFINE_BINDER( m_Bindings, SDSSDescWrapper, DepthWriteEnable, Bool, Validator<Bool>() )
DEFINE_ENUM_BINDER( m_Bindings, SDSSDescWrapper, DepthFunc, COMPARISON_FUNCTION, m_CmpFuncEnumMapping )
DEFINE_BINDER( m_Bindings, SDSSDescWrapper, StencilEnable, Bool, Validator<Bool>() )
DEFINE_BINDER( m_Bindings, SDSSDescWrapper, StencilReadMask, Uint8, Validator<Uint8>() )
DEFINE_BINDER( m_Bindings, SDSSDescWrapper, StencilWriteMask, Uint8, Validator<Uint8>() )
DEFINE_BINDER( m_Bindings, SDSSDescWrapper, FrontFace, StencilOpDesc, 0 )
DEFINE_BINDER( m_Bindings, SDSSDescWrapper, BackFace, StencilOpDesc, 0 )
};
void DepthStencilStateParser::CreateObj( lua_State *L )
{
INIT_LUA_STACK_TRACKING( L );
SDSSDescWrapper DepthStencilDesc;
ParseLuaTable( L, 1, &DepthStencilDesc, m_Bindings );
CHECK_LUA_STACK_HEIGHT();
auto ppDepthStencilState = reinterpret_cast<IDepthStencilState**>(lua_newuserdata( L, sizeof( IDepthStencilState* ) ));
*ppDepthStencilState = nullptr;
m_pRenderDevice->CreateDepthStencilState( DepthStencilDesc, ppDepthStencilState );
if( *ppDepthStencilState == nullptr )
SCRIPT_PARSING_ERROR(L, "Failed to create depth stencil state")
CHECK_LUA_STACK_HEIGHT( +1 );
}
int DepthStencilStateParser::SetDepthStencilState( lua_State *L )
{
auto pVertDesc = *GetUserData<IDepthStencilState**>( L, 1, m_MetatableRegistryName.c_str() );
Uint8 StencilRef = 0;
if( lua_gettop( L ) > 1 )
{
StencilRef = ReadValueFromLua<Uint8>( L, 2 );
}
auto *pContext = LoadDeviceContextFromRegistry( L );
pContext->SetDepthStencilState( pVertDesc, StencilRef );
return 0;
}
}
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