Function MergeSamplers

shadercompiler/TextureFunctionConversionDX11.cpp:1260–1295

void MergeSamplers( ParserState& state )
{
	std::map<Sampler, Symbol*> samplers;

	for( auto child : state.GetTree()->GetChildren() )
	{
		if( child->GetNodeType() == NT_VAR_DECLARATION_LIST )
		{
			for( auto name : child->GetChildren() )
			{
				if( name && name->GetSymbol() && name->GetSymbol()->type.IsSampler() )
				{
					Sampler sampler;
					if( GetSamplerState( state, name, sampler ) && !sampler.isDynamic )
					{
						auto found = samplers.find( sampler );
						if( found != samplers.end() )
						{
							state.GetTree()->Map( [&]( auto node ) {
								if( node->GetNodeType() != NT_NAME_DECLARATION && node->GetSymbol() == name->GetSymbol() )
								{
									node->SetSymbol( found->second );
								}
								return node;
							} );
						}
						else
						{
							samplers[sampler] = name->GetSymbol();
						}
					}
				}
			}
		}
	}
}
int32_t BindlessTextureType( int type )
{
	switch( type )