Function SplitCoordVec

shadercompiler/TextureFunctionConversionDX11.cpp:719–751

}

void SplitCoordVec( ASTNode* call, const Type& textureType, size_t coordOffset = 1 )
{
	switch( textureType.builtInType )
	{
	case OP_TEXTURE1DARRAY:
	case OP_TEXTURE2DARRAY:
	case OP_TEXTURE3DARRAY:
	case OP_TEXTURECUBEARRAY: {
		const char* xyzw = "xyzw";

		auto coord = call->GetChild( coordOffset );
		ScannerToken swizzle = ScannerToken::ID( MakeInlineString( xyzw, xyzw + coord->GetType().width - 1 ) );
		ASTNode* dot = new ASTNode( NT_POSTFIX_EXPRESSION, coord->GetLocation(), coord->GetScope(), &swizzle );
		dot->AddChild( coord->Copy() );
		call->ReplaceChild( coordOffset, dot );

		swizzle = ScannerToken::ID( MakeInlineString( xyzw + coord->GetType().width - 1, xyzw + coord->GetType().width ) );
		dot = new ASTNode( NT_POSTFIX_EXPRESSION, coord->GetLocation(), coord->GetScope(), &swizzle );
		dot->AddChild( coord->Copy() );

		ScannerToken typeToken = ScannerToken::FromTokenType( OP_UINT );
		typeToken.intValue = 1;
		ASTNode* cast = new ASTNode( NT_CAST_EXPRESSION, coord->GetLocation(), coord->GetScope(), &typeToken );
		cast->SetType( TypeFromTokenType( OP_UINT ) );
		cast->AddChild( dot );

		call->InsertChild( coordOffset + 1, cast );
		break;
	}
	default:
		break;
	}
};


void PatchMetalBufferCalls( ParserState& state, ASTNode* node )