Function PatchMatrixInitializer

shadercompiler/EffectCompilerMetal.cpp:4366–4411

}

void PatchMatrixInitializer( ASTNode* parent, unsigned index, const Type& type )
{
	// wrap matrix initializer in a "constructor", i.e. { a, b,..} -> float4x4( { a, b, ..} )
	auto initializer = parent->GetChild( index );
	if( type.arrayDimensions > 0 )
	{
		auto elementType = type;
		--elementType.arrayDimensions;

		for( unsigned i = 0; i < initializer->GetChildrenCount(); ++i )
		{
			PatchMatrixInitializer( initializer, i, elementType );
		}
	}
	else
	{
		std::vector<ASTNode*> children;
		ExpandInitializerList( initializer, children );

		if( int( children.size() ) == type.width * type.height )
		{
			initializer->GetChildren().clear();

			for( int row = 0; row < type.height; ++row )
			{
				auto rowNode = new ASTNode( NT_INLINE_CONSTRUCTOR, initializer->GetLocation(), initializer->GetScope(), nullptr );
				rowNode->SetType( TypeFromTokenType( OP_FLOAT, type.width ) );
				for( int col = 0; col < type.width; ++col )
				{
					rowNode->AddChild( children[row * type.width + col] );
				}
				initializer->AddChild( rowNode );
			}
		}

		ScannerToken token;
		token.type = type.builtInType;
		token.fileLocation = initializer->GetLocation();
		token.intValue = type.width | ( type.height << 8 );
		auto constructor = new ASTNode( NT_FUNCTION_CALL, initializer->GetLocation(), initializer->GetScope(), &token );
		constructor->AddChild( initializer );
		initializer->SetType( type );
		constructor->SetType( type );
		parent->ReplaceChild( index, constructor );
	}
}

void PatchMatrixRows( ParserState& state, ASTNode* node, ASTNode* parent = nullptr, bool rvalue = true, ASTNode* assignment = nullptr )
{